{"product_id":"john-deere-3r-4r-series","title":"2014-Present John Deere 3R \/ 4R Series Reflash","description":"\u003c!-- Reimer Tuning · John Deere 3R \/ 4R compact tractors 2014–present, mail-in Yanmar ECM bench flash EGR\/DPF · paste into the product description (HTML view) or a product template section --\u003e\n\u003clink rel=\"preconnect\" href=\"https:\/\/fonts.googleapis.com\"\u003e\n\u003clink href=\"https:\/\/fonts.googleapis.com\/css2?family=Barlow:wght@400;500;600;700\u0026amp;family=Barlow+Condensed:wght@700\u0026amp;family=JetBrains+Mono:wght@500\u0026amp;display=swap\" rel=\"stylesheet\"\u003e\n\u003cstyle\u003e.rt-desc summary::-webkit-details-marker{display:none}.rt-desc *{box-sizing:border-box}.rt-desc div::before,.rt-desc div::after,.rt-desc span::before{content:none !important}.rt-desc p{margin:0}.rt-desc h2,.rt-desc h3{letter-spacing:normal}@media (max-width:600px){.rt-desc h2{font-size:26px !important}}\u003c\/style\u003e\n\u003cdiv class=\"rt-desc\" style=\"box-sizing:border-box;min-width:0;background:#FAFAF9;color:#1E2226;max-width:100%;overflow:hidden;font-family:Barlow,'Helvetica Neue',Arial,sans-serif;display:flex;flex-direction:column\"\u003e\n\u003cdiv style=\"box-sizing:border-box;min-width:0;padding:36px 32px 32px;background:repeating-linear-gradient(90deg,rgba(255,255,255,.022) 0 1px,rgba(0,0,0,.07) 1px 3px),linear-gradient(180deg,#2E3236 0%,#1B1D20 100%);color:#EEF0F1;display:flex;flex-direction:column;gap:36px\"\u003e\n\u003cdiv style=\"box-sizing:border-box;min-width:0;display:flex;flex-direction:column;gap:16px\"\u003e\n\u003cdiv style=\"box-sizing:border-box;min-width:0;height:3px;width:64px;background:linear-gradient(90deg,#C8202C,#F29A2E);display:block !important;font-size:0 !important;line-height:0 !important;overflow:hidden\"\u003e \u003c\/div\u003e\n\u003ch2 style=\"box-sizing:border-box;min-width:0;margin:0;font:700 44px\/0.98 'Barlow Condensed','Arial Narrow',sans-serif;text-transform:uppercase;text-wrap:balance;color:#EEF0F1 !important\"\u003e2014–Present John Deere 3R \u0026amp; 4R Series \u003cspan style=\"box-sizing:border-box;min-width:0;color:#F0613A !important\"\u003eDPF \u0026amp; EGR\u003c\/span\u003e Delete Tune\u003c\/h2\u003e\n\u003cp style=\"box-sizing:border-box;min-width:0;margin:0;font:400 17px\/1.6 Barlow,sans-serif;color:#C3C8CC;max-width:680px;text-wrap:pretty\"\u003eCompact tractors like the 4066R spend their days on loader work, mowing and snow clearing, which is light, stop-and-go running that fills a particulate filter fast. Mail us the Yanmar engine control module and we bench flash it with EGR and DPF switched off, then ship it back the next business day. We ship all across the US and Canada.\u003c\/p\u003e\n\u003cdiv role=\"list\" style=\"box-sizing:border-box;min-width:0;margin:4px 0 0;padding:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:10px\"\u003e\n\u003cdiv style=\"box-sizing:border-box;min-width:0;border:1px solid #454A4F;background:rgba(0,0,0,.2);padding:12px 14px;display:flex;flex-direction:column;gap:3px\"\u003e\n\u003cspan style=\"box-sizing:border-box;min-width:0;font:500 11px 'JetBrains Mono',monospace;letter-spacing:.08em;color:#9AA1A7;text-transform:uppercase\"\u003eFits\u003c\/span\u003e\u003cspan style=\"box-sizing:border-box;min-width:0;margin:0;font:600 15px Barlow,sans-serif;color:#EEF0F1 !important\"\u003eJD 3R · 4R, 2014+\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"box-sizing:border-box;min-width:0;border:1px solid #454A4F;background:rgba(0,0,0,.2);padding:12px 14px;display:flex;flex-direction:column;gap:3px\"\u003e\n\u003cspan style=\"box-sizing:border-box;min-width:0;font:500 11px 'JetBrains Mono',monospace;letter-spacing:.08em;color:#9AA1A7;text-transform:uppercase\"\u003eControllers\u003c\/span\u003e\u003cspan style=\"box-sizing:border-box;min-width:0;margin:0;font:600 15px Barlow,sans-serif;color:#EEF0F1 !important\"\u003eYanmar engine ECM\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"box-sizing:border-box;min-width:0;border:1px solid #454A4F;background:rgba(0,0,0,.2);padding:12px 14px;display:flex;flex-direction:column;gap:3px\"\u003e\n\u003cspan style=\"box-sizing:border-box;min-width:0;font:500 11px 'JetBrains Mono',monospace;letter-spacing:.08em;color:#9AA1A7;text-transform:uppercase\"\u003eSystems\u003c\/span\u003e\u003cspan style=\"box-sizing:border-box;min-width:0;margin:0;font:600 15px Barlow,sans-serif;color:#EEF0F1 !important\"\u003eEGR · DPF\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"box-sizing:border-box;min-width:0;border:1px solid #454A4F;background:rgba(0,0,0,.2);padding:12px 14px;display:flex;flex-direction:column;gap:3px\"\u003e\n\u003cspan style=\"box-sizing:border-box;min-width:0;font:500 11px 'JetBrains Mono',monospace;letter-spacing:.08em;color:#9AA1A7;text-transform:uppercase\"\u003eMethod\u003c\/span\u003e\u003cspan style=\"box-sizing:border-box;min-width:0;margin:0;font:600 15px Barlow,sans-serif;color:#EEF0F1 !important\"\u003eMail-in ECM bench flash\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"box-sizing:border-box;min-width:0;border:1px solid #454A4F;background:rgba(0,0,0,.2);padding:12px 14px;display:flex;flex-direction:column;gap:3px\"\u003e\n\u003cspan style=\"box-sizing:border-box;min-width:0;font:500 11px 'JetBrains Mono',monospace;letter-spacing:.08em;color:#9AA1A7;text-transform:uppercase\"\u003eTurnaround\u003c\/span\u003e\u003cspan style=\"box-sizing:border-box;min-width:0;margin:0;font:600 15px Barlow,sans-serif;color:#EEF0F1 !important\"\u003eNext business day\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"box-sizing:border-box;min-width:0;height:4px;background:linear-gradient(90deg,#C8202C,#F29A2E);display:block !important;font-size:0 !important;line-height:0 !important;overflow:hidden\"\u003e \u003c\/div\u003e\n\u003csection style=\"box-sizing:border-box;min-width:0;padding:32px;background:repeating-linear-gradient(90deg,rgba(255,255,255,.35) 0 1px,rgba(0,0,0,.025) 1px 3px),linear-gradient(180deg,#EDEFF0 0%,#D6DADD 100%);display:flex;flex-direction:column;gap:28px\"\u003e\n\u003cdiv style=\"box-sizing:border-box;min-width:0;background:#22262A;border-top:3px solid #F29A2E;padding:16px 18px;display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:14px\"\u003e\n\u003cdiv style=\"box-sizing:border-box;min-width:0;display:flex;flex-direction:column;gap:4px;flex:1 1 320px\"\u003e\n\u003cspan style=\"box-sizing:border-box;min-width:0;font:500 11px 'JetBrains Mono',monospace;color:#F29A2E\"\u003eBEFORE YOU PULL THE ECM\u003c\/span\u003e\u003cstrong style=\"box-sizing:border-box;min-width:0;font:600 17px Barlow,sans-serif;color:#EEF0F1 !important\"\u003eEmail us the tractor’s serial number\u003c\/strong\u003e\u003cspan style=\"box-sizing:border-box;min-width:0;font:400 14px\/1.5 Barlow,sans-serif;color:#C3C8CC;text-wrap:pretty\"\u003eThe serial plate tells us the model year and Yanmar engine in your 3R or 4R, so the right software is ready to load when your ECM reaches our shop.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003ca href=\"mailto:sales@reimertuning.com?subject=2014%2B%20John%20Deere%203R%2F4R%20-%20Serial%20Number\u0026amp;body=Machine%20serial%20number%3A%0A%0ATractor%20model%3A%0AOrder%20number%20(if%20ordered)%3A%0A\" target=\"_top\" style=\"box-sizing:border-box;min-width:0;text-decoration:none;padding:10px 16px;background:#B3212B;color:#fff !important;font:700 14px 'Barlow Condensed',sans-serif;letter-spacing:.08em;text-transform:uppercase;white-space:nowrap\"\u003eEmail serial number\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"box-sizing:border-box;min-width:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:28px\"\u003e\n\u003cdiv style=\"box-sizing:border-box;min-width:0;display:flex;flex-direction:column;gap:12px\"\u003e\n\u003ch2 style=\"box-sizing:border-box;min-width:0;margin:0;font:700 26px 'Barlow Condensed','Arial Narrow',sans-serif;text-transform:uppercase;color:#1E2226 !important\"\u003eWhat’s included\u003c\/h2\u003e\n\u003cdiv role=\"list\" style=\"box-sizing:border-box;min-width:0;margin:0;padding:0;list-style:none;background:#fff;border:1px solid #C6CCD0\"\u003e\n\u003cdiv role=\"listitem\" style=\"box-sizing:border-box;min-width:0;display:grid;grid-template-columns:36px 1fr;padding:10px 14px;border-bottom:1px solid #E3E6E8;font:500 14px\/1.4 Barlow,sans-serif;color:#1E2226\"\u003e\n\u003cspan style=\"box-sizing:border-box;min-width:0;font:500 12px 'JetBrains Mono',monospace;color:#B3212B\"\u003e01\u003c\/span\u003eECM emissions programming\u003c\/div\u003e\n\u003cdiv role=\"listitem\" style=\"box-sizing:border-box;min-width:0;display:grid;grid-template-columns:36px 1fr;padding:10px 14px;border-bottom:1px solid #E3E6E8;font:500 14px\/1.4 Barlow,sans-serif;color:#1E2226\"\u003e\n\u003cspan style=\"box-sizing:border-box;min-width:0;font:500 12px 'JetBrains Mono',monospace;color:#B3212B\"\u003e02\u003c\/span\u003e1 year software warranty\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"box-sizing:border-box;min-width:0;display:flex;flex-direction:column;gap:12px\"\u003e\n\u003ch2 style=\"box-sizing:border-box;min-width:0;margin:0;font:700 26px 'Barlow Condensed','Arial Narrow',sans-serif;text-transform:uppercase;color:#1E2226 !important\"\u003eMail-in process\u003c\/h2\u003e\n\u003cdiv role=\"list\" style=\"box-sizing:border-box;min-width:0;margin:0;padding:0;list-style:none;display:grid;grid-template-columns:repeat(auto-fit,minmax(120px,1fr));gap:8px\"\u003e\n\u003cdiv role=\"listitem\" style=\"box-sizing:border-box;min-width:0;background:#fff;border:1px solid #C6CCD0;border-top:3px solid #22262A;padding:12px;display:flex;flex-direction:column;gap:6px\"\u003e\n\u003cspan style=\"box-sizing:border-box;min-width:0;font:500 11px 'JetBrains Mono',monospace;color:#B3212B\"\u003eSTEP 01\u003c\/span\u003e\u003cstrong style=\"box-sizing:border-box;min-width:0;font:600 15px Barlow,sans-serif;color:#1E2226 !important\"\u003eOrder\u003c\/strong\u003e\u003cspan style=\"box-sizing:border-box;min-width:0;font:400 13px\/1.45 Barlow,sans-serif;color:#3A4046\"\u003eYou get our shipping address and customs forms by email.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv role=\"listitem\" style=\"box-sizing:border-box;min-width:0;background:#fff;border:1px solid #C6CCD0;border-top:3px solid #22262A;padding:12px;display:flex;flex-direction:column;gap:6px\"\u003e\n\u003cspan style=\"box-sizing:border-box;min-width:0;font:500 11px 'JetBrains Mono',monospace;color:#B3212B\"\u003eSTEP 02\u003c\/span\u003e\u003cstrong style=\"box-sizing:border-box;min-width:0;font:600 15px Barlow,sans-serif;color:#1E2226 !important\"\u003eRemove \u0026amp; ship\u003c\/strong\u003e\u003cspan style=\"box-sizing:border-box;min-width:0;font:400 13px\/1.45 Barlow,sans-serif;color:#3A4046\"\u003eUnplug the engine ECM from the tractor and ship it to us.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv role=\"listitem\" style=\"box-sizing:border-box;min-width:0;background:#fff;border:1px solid #C6CCD0;border-top:3px solid #22262A;padding:12px;display:flex;flex-direction:column;gap:6px\"\u003e\n\u003cspan style=\"box-sizing:border-box;min-width:0;font:500 11px 'JetBrains Mono',monospace;color:#B3212B\"\u003eSTEP 03\u003c\/span\u003e\u003cstrong style=\"box-sizing:border-box;min-width:0;font:600 15px Barlow,sans-serif;color:#1E2226 !important\"\u003eBench flash\u003c\/strong\u003e\u003cspan style=\"box-sizing:border-box;min-width:0;font:400 13px\/1.45 Barlow,sans-serif;color:#3A4046\"\u003eWe flash it and ship it back the next business day.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv role=\"listitem\" style=\"box-sizing:border-box;min-width:0;background:#fff;border:1px solid #C6CCD0;border-top:3px solid #22262A;padding:12px;display:flex;flex-direction:column;gap:6px\"\u003e\n\u003cspan style=\"box-sizing:border-box;min-width:0;font:500 11px 'JetBrains Mono',monospace;color:#B3212B\"\u003eSTEP 04\u003c\/span\u003e\u003cstrong style=\"box-sizing:border-box;min-width:0;font:600 15px Barlow,sans-serif;color:#1E2226 !important\"\u003eReinstall\u003c\/strong\u003e\u003cspan style=\"box-sizing:border-box;min-width:0;font:400 13px\/1.45 Barlow,sans-serif;color:#3A4046\"\u003eReinstall the ECM, then hollow or pipe the DPF.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ca href=\"https:\/\/reimertuning.com\/pages\/john-deere-ota-rewriting-statement\" style=\"box-sizing:border-box;min-width:0;text-decoration:none;display:flex;justify-content:space-between;align-items:center;gap:12px;padding:12px 14px;background:#22262A;color:#fff !important;border-top:3px solid #B3212B\"\u003e\u003cspan style=\"box-sizing:border-box;min-width:0;display:flex;flex-direction:column;gap:3px\"\u003e\u003cspan style=\"box-sizing:border-box;min-width:0;font:500 11px 'JetBrains Mono',monospace;color:#F29A2E\"\u003eOVER-THE-AIR UPDATES\u003c\/span\u003e\u003cstrong style=\"box-sizing:border-box;min-width:0;font:600 15px Barlow,sans-serif;color:#fff !important\"\u003eRead our position on John Deere OTA rewrites\u003c\/strong\u003e\u003c\/span\u003e\u003cspan style=\"box-sizing:border-box;min-width:0;font:400 12px 'JetBrains Mono',monospace;color:#D5D9DC;flex:none;white-space:nowrap\"\u003eRead →\u003c\/span\u003e\u003c\/a\u003e\n\u003cdiv style=\"box-sizing:border-box;min-width:0;display:flex;flex-direction:column;gap:12px\"\u003e\n\u003ch2 style=\"box-sizing:border-box;min-width:0;margin:0;font:700 26px 'Barlow Condensed','Arial Narrow',sans-serif;text-transform:uppercase;color:#1E2226 !important\"\u003eAfter the tune\u003c\/h2\u003e\n\u003cdiv style=\"box-sizing:border-box;min-width:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:8px\"\u003e\n\u003cdiv style=\"box-sizing:border-box;min-width:0;background:#fff;border:1px solid #C6CCD0;border-top:3px solid #22262A;padding:12px 14px;display:flex;flex-direction:column;gap:6px\"\u003e\n\u003cspan style=\"box-sizing:border-box;min-width:0;font:500 11px 'JetBrains Mono',monospace;color:#B3212B\"\u003eEXHAUST\u003c\/span\u003e\u003cstrong style=\"box-sizing:border-box;min-width:0;font:600 15px Barlow,sans-serif;color:#1E2226 !important\"\u003eHollow out or straight pipe the DPF\u003c\/strong\u003e\u003cspan style=\"box-sizing:border-box;min-width:0;font:400 13px\/1.45 Barlow,sans-serif;color:#3A4046;text-wrap:pretty\"\u003eOnce regens are turned off, hollow out the DPF canister or swap it for a straight pipe. 3R and 4R tractors have no DEF or SCR, so nothing else in the exhaust changes.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"box-sizing:border-box;min-width:0;background:#fff;border:1px solid #C6CCD0;border-top:3px solid #22262A;padding:12px 14px;display:flex;flex-direction:column;gap:6px\"\u003e\n\u003cspan style=\"box-sizing:border-box;min-width:0;font:500 11px 'JetBrains Mono',monospace;color:#B3212B\"\u003eEGR\u003c\/span\u003e\u003cstrong style=\"box-sizing:border-box;min-width:0;font:600 15px Barlow,sans-serif;color:#1E2226 !important\"\u003eShut off in the software\u003c\/strong\u003e\u003cspan style=\"box-sizing:border-box;min-width:0;font:400 13px\/1.45 Barlow,sans-serif;color:#3A4046;text-wrap:pretty\"\u003eThe tune closes the EGR valve and keeps it closed, so no exhaust is routed back into the intake. Nothing has to be unbolted or replaced.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection style=\"box-sizing:border-box;min-width:0;padding:36px 32px 0;display:flex;flex-direction:column;gap:16px\"\u003e\n\u003cdiv style=\"box-sizing:border-box;min-width:0;display:flex;flex-direction:column;gap:6px\"\u003e\n\u003ch2 style=\"box-sizing:border-box;min-width:0;margin:0;font:700 28px 'Barlow Condensed','Arial Narrow',sans-serif;text-transform:uppercase;color:#1E2226 !important\"\u003e3R and 4R tractors we bench flash\u003c\/h2\u003e\n\u003cp style=\"box-sizing:border-box;min-width:0;margin:0;font:400 14px\/1.6 Barlow,sans-serif;color:#3A4046;text-wrap:pretty\"\u003eFinal Tier 4 John Deere 3R and 4R compact utility tractors, 2014 to present.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"box-sizing:border-box;min-width:0;display:flex;flex-direction:column;border-top:2px solid #1E2226\"\u003e\n\u003cdiv style=\"box-sizing:border-box;min-width:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,160px),max-content));gap:10px 20px;align-items:center;padding:14px 0;border-bottom:1px solid #C6CCD0\"\u003e\n\u003cdiv style=\"box-sizing:border-box;min-width:0;display:flex;flex-direction:column;gap:2px;width:160px\"\u003e\n\u003cspan style=\"box-sizing:border-box;min-width:0;font:700 22px\/1 'Barlow Condensed',sans-serif;text-transform:uppercase;color:#1E2226 !important\"\u003e3R\u003c\/span\u003e\u003cspan style=\"box-sizing:border-box;min-width:0;font:500 11px 'JetBrains Mono',monospace;color:#B3212B;letter-spacing:.06em;text-transform:uppercase\"\u003eCompact utility · FT4\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"box-sizing:border-box;min-width:0;display:flex;flex-wrap:wrap;gap:6px\"\u003e\n\u003cspan style=\"box-sizing:border-box;min-width:0;padding:6px 10px;background:#fff;border:1px solid #C6CCD0;font:700 18px\/1 'Barlow Condensed',sans-serif;color:#1E2226 !important;white-space:nowrap\"\u003e3033R\u003c\/span\u003e\u003cspan style=\"box-sizing:border-box;min-width:0;padding:6px 10px;background:#fff;border:1px solid #C6CCD0;font:700 18px\/1 'Barlow Condensed',sans-serif;color:#1E2226 !important;white-space:nowrap\"\u003e3039R\u003c\/span\u003e\u003cspan style=\"box-sizing:border-box;min-width:0;padding:6px 10px;background:#fff;border:1px solid #C6CCD0;font:700 18px\/1 'Barlow Condensed',sans-serif;color:#1E2226 !important;white-space:nowrap\"\u003e3046R\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"box-sizing:border-box;min-width:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,160px),max-content));gap:10px 20px;align-items:center;padding:14px 0;border-bottom:1px solid #C6CCD0\"\u003e\n\u003cdiv style=\"box-sizing:border-box;min-width:0;display:flex;flex-direction:column;gap:2px;width:160px\"\u003e\n\u003cspan style=\"box-sizing:border-box;min-width:0;font:700 22px\/1 'Barlow Condensed',sans-serif;text-transform:uppercase;color:#1E2226 !important\"\u003e4R\u003c\/span\u003e\u003cspan style=\"box-sizing:border-box;min-width:0;font:500 11px 'JetBrains Mono',monospace;color:#B3212B;letter-spacing:.06em;text-transform:uppercase\"\u003eCompact utility · FT4\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"box-sizing:border-box;min-width:0;display:flex;flex-wrap:wrap;gap:6px\"\u003e\n\u003cspan style=\"box-sizing:border-box;min-width:0;padding:6px 10px;background:#fff;border:1px solid #C6CCD0;font:700 18px\/1 'Barlow Condensed',sans-serif;color:#1E2226 !important;white-space:nowrap\"\u003e4044R\u003c\/span\u003e\u003cspan style=\"box-sizing:border-box;min-width:0;padding:6px 10px;background:#fff;border:1px solid #C6CCD0;font:700 18px\/1 'Barlow Condensed',sans-serif;color:#1E2226 !important;white-space:nowrap\"\u003e4052R\u003c\/span\u003e\u003cspan style=\"box-sizing:border-box;min-width:0;padding:6px 10px;background:#fff;border:1px solid #C6CCD0;font:700 18px\/1 'Barlow Condensed',sans-serif;color:#1E2226 !important;white-space:nowrap\"\u003e4066R\u003c\/span\u003e\u003cspan style=\"box-sizing:border-box;min-width:0;padding:6px 10px;background:#fff;border:1px solid #C6CCD0;font:700 18px\/1 'Barlow Condensed',sans-serif;color:#1E2226 !important;white-space:nowrap\"\u003e4075R\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp style=\"box-sizing:border-box;min-width:0;margin:0;font:400 14px\/1.6 Barlow,sans-serif;color:#3A4046;text-wrap:pretty\"\u003eTractor not listed? Email us the serial number and we will check whether we can flash it.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003csection style=\"box-sizing:border-box;min-width:0;padding:36px 32px;display:flex;flex-direction:column;gap:16px\"\u003e\n\u003ch2 style=\"box-sizing:border-box;min-width:0;margin:0;font:700 28px 'Barlow Condensed','Arial Narrow',sans-serif;text-transform:uppercase;color:#1E2226 !important\"\u003eWhy delete the DPF and EGR on a John Deere 3R or 4R?\u003c\/h2\u003e\n\u003cdiv style=\"box-sizing:border-box;min-width:0;display:flex;flex-direction:column;border-top:2px solid #1E2226\"\u003e\n\u003cdiv style=\"box-sizing:border-box;min-width:0;display:grid;grid-template-columns:72px minmax(0,1fr);gap:16px;padding:14px 0;border-bottom:1px solid #D5D9DC\"\u003e\n\u003cspan style=\"box-sizing:border-box;min-width:0;font:700 26px 'Barlow Condensed',sans-serif;color:#B3212B\"\u003eDPF\u003c\/span\u003e\u003cdiv style=\"box-sizing:border-box;min-width:0;display:flex;flex-direction:column;gap:4px\"\u003e\n\u003ch3 style=\"box-sizing:border-box;min-width:0;margin:0;font:600 16px Barlow,sans-serif;color:#1E2226 !important\"\u003eDiesel particulate filter\u003c\/h3\u003e\n\u003cp style=\"box-sizing:border-box;min-width:0;margin:0;font:400 14px\/1.55 Barlow,sans-serif;color:#3A4046\"\u003eA 3R or 4R rarely works hard for long. Moving bales, clearing snow, mowing and short loader cycles keep the small Yanmar at low load, so the exhaust never gets hot enough to clean the filter on its own. The tractor then asks for parked regens or drops power, and a plugged filter on a compact is an expensive part for the size of the machine. Gutting or piping the DPF ends regens for good.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"box-sizing:border-box;min-width:0;display:grid;grid-template-columns:72px minmax(0,1fr);gap:16px;padding:14px 0;border-bottom:1px solid #D5D9DC\"\u003e\n\u003cspan style=\"box-sizing:border-box;min-width:0;font:700 26px 'Barlow Condensed',sans-serif;color:#B3212B\"\u003eEGR\u003c\/span\u003e\u003cdiv style=\"box-sizing:border-box;min-width:0;display:flex;flex-direction:column;gap:4px\"\u003e\n\u003ch3 style=\"box-sizing:border-box;min-width:0;margin:0;font:600 16px Barlow,sans-serif;color:#1E2226 !important\"\u003eExhaust gas recirculation\u003c\/h3\u003e\n\u003cp style=\"box-sizing:border-box;min-width:0;margin:0;font:400 14px\/1.55 Barlow,sans-serif;color:#3A4046\"\u003eYanmar uses EGR to bring NOx down by sending some exhaust back into the intake. On a compact that idles and runs light most of the day, that soot settles on the valve and in the intake, and a sticky EGR valve brings on rough running, smoke and warning lights. Our tune shuts the EGR off in the ECM, so clean air goes in and the valve stops being a problem.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection style=\"box-sizing:border-box;min-width:0;padding:0 32px 36px;display:flex;flex-direction:column\"\u003e\n\u003ch2 style=\"box-sizing:border-box;min-width:0;margin:0 0 8px;font:700 28px 'Barlow Condensed','Arial Narrow',sans-serif;text-transform:uppercase;color:#1E2226 !important\"\u003eFrequently asked questions\u003c\/h2\u003e\n\u003cdetails style=\"box-sizing:border-box;min-width:0;border-bottom:1px solid #D5D9DC\"\u003e\u003csummary style=\"box-sizing:border-box;min-width:0;list-style:none;cursor:pointer;display:grid;grid-template-columns:36px 1fr 20px;gap:6px;padding:14px 0;align-items:baseline;color:#1E2226\"\u003e\u003cspan style=\"box-sizing:border-box;min-width:0;font:500 12px 'JetBrains Mono',monospace;color:#B3212B\"\u003eQ1\u003c\/span\u003e\u003cspan style=\"box-sizing:border-box;min-width:0;font:600 16px Barlow,sans-serif;color:#1E2226 !important\"\u003eWhich module do I ship to you?\u003c\/span\u003e\u003cspan style=\"box-sizing:border-box;min-width:0;font:500 16px 'JetBrains Mono',monospace;color:#1E2226\"\u003e+\u003c\/span\u003e\u003c\/summary\u003e\u003cp style=\"box-sizing:border-box;min-width:0;margin:0 0 16px 42px;font:400 15px\/1.6 Barlow,sans-serif;color:#3A4046\"\u003eOnly the Yanmar engine ECM. It runs the EGR and DPF on 3R and 4R tractors, so the other controllers stay on the tractor.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails style=\"box-sizing:border-box;min-width:0;border-bottom:1px solid #D5D9DC\"\u003e\u003csummary style=\"box-sizing:border-box;min-width:0;list-style:none;cursor:pointer;display:grid;grid-template-columns:36px 1fr 20px;gap:6px;padding:14px 0;align-items:baseline;color:#1E2226\"\u003e\u003cspan style=\"box-sizing:border-box;min-width:0;font:500 12px 'JetBrains Mono',monospace;color:#B3212B\"\u003eQ2\u003c\/span\u003e\u003cspan style=\"box-sizing:border-box;min-width:0;font:600 16px Barlow,sans-serif;color:#1E2226 !important\"\u003eHow long is the turnaround?\u003c\/span\u003e\u003cspan style=\"box-sizing:border-box;min-width:0;font:500 16px 'JetBrains Mono',monospace;color:#1E2226\"\u003e+\u003c\/span\u003e\u003c\/summary\u003e\u003cp style=\"box-sizing:border-box;min-width:0;margin:0 0 16px 42px;font:400 15px\/1.6 Barlow,sans-serif;color:#3A4046\"\u003eWe flash your ECM and ship it back the next business day after it arrives, so the tractor is only down for shipping time each way.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails style=\"box-sizing:border-box;min-width:0;border-bottom:1px solid #D5D9DC\"\u003e\u003csummary style=\"box-sizing:border-box;min-width:0;list-style:none;cursor:pointer;display:grid;grid-template-columns:36px 1fr 20px;gap:6px;padding:14px 0;align-items:baseline;color:#1E2226\"\u003e\u003cspan style=\"box-sizing:border-box;min-width:0;font:500 12px 'JetBrains Mono',monospace;color:#B3212B\"\u003eQ3\u003c\/span\u003e\u003cspan style=\"box-sizing:border-box;min-width:0;font:600 16px Barlow,sans-serif;color:#1E2226 !important\"\u003eWhat do I do with the DPF afterward?\u003c\/span\u003e\u003cspan style=\"box-sizing:border-box;min-width:0;font:500 16px 'JetBrains Mono',monospace;color:#1E2226\"\u003e+\u003c\/span\u003e\u003c\/summary\u003e\u003cp style=\"box-sizing:border-box;min-width:0;margin:0 0 16px 42px;font:400 15px\/1.6 Barlow,sans-serif;color:#3A4046\"\u003eHollow out the canister or put a straight pipe in its place once the ECM is flashed. There is no DEF or SCR on these tractors, so that is the only exhaust work.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails style=\"box-sizing:border-box;min-width:0;border-bottom:1px solid #D5D9DC\"\u003e\u003csummary style=\"box-sizing:border-box;min-width:0;list-style:none;cursor:pointer;display:grid;grid-template-columns:36px 1fr 20px;gap:6px;padding:14px 0;align-items:baseline;color:#1E2226\"\u003e\u003cspan style=\"box-sizing:border-box;min-width:0;font:500 12px 'JetBrains Mono',monospace;color:#B3212B\"\u003eQ4\u003c\/span\u003e\u003cspan style=\"box-sizing:border-box;min-width:0;font:600 16px Barlow,sans-serif;color:#1E2226 !important\"\u003eWill a John Deere update remove the tune?\u003c\/span\u003e\u003cspan style=\"box-sizing:border-box;min-width:0;font:500 16px 'JetBrains Mono',monospace;color:#1E2226\"\u003e+\u003c\/span\u003e\u003c\/summary\u003e\u003cp style=\"box-sizing:border-box;min-width:0;margin:0 0 16px 42px;font:400 15px\/1.6 Barlow,sans-serif;color:#3A4046\"\u003eIt can. A dealer software update or reflash may overwrite our file. Read our OTA statement above before you connect the tractor to dealer service tools.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails style=\"box-sizing:border-box;min-width:0;border-bottom:1px solid #D5D9DC\"\u003e\u003csummary style=\"box-sizing:border-box;min-width:0;list-style:none;cursor:pointer;display:grid;grid-template-columns:36px 1fr 20px;gap:6px;padding:14px 0;align-items:baseline;color:#1E2226\"\u003e\u003cspan style=\"box-sizing:border-box;min-width:0;font:500 12px 'JetBrains Mono',monospace;color:#B3212B\"\u003eQ5\u003c\/span\u003e\u003cspan style=\"box-sizing:border-box;min-width:0;font:600 16px Barlow,sans-serif;color:#1E2226 !important\"\u003eDisclaimer\u003c\/span\u003e\u003cspan style=\"box-sizing:border-box;min-width:0;font:500 16px 'JetBrains Mono',monospace;color:#1E2226\"\u003e+\u003c\/span\u003e\u003c\/summary\u003e\u003cp style=\"box-sizing:border-box;min-width:0;margin:0 0 16px 42px;font:400 15px\/1.6 Barlow,sans-serif;color:#3A4046\"\u003eFor off-road agricultural use only, not for tractors registered for road use. Check your state or provincial laws before you order.\u003c\/p\u003e\u003c\/details\u003e\n\u003c\/section\u003e\n\u003csection style=\"box-sizing:border-box;min-width:0;padding:32px;background:repeating-linear-gradient(90deg,rgba(255,255,255,.022) 0 1px,rgba(0,0,0,.07) 1px 3px),linear-gradient(180deg,#3A3F44 0%,#22262A 100%);color:#fff;display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:28px\"\u003e\n\u003cdiv style=\"box-sizing:border-box;min-width:0;display:flex;flex-direction:column;gap:10px\"\u003e\n\u003ch2 style=\"box-sizing:border-box;min-width:0;margin:0;font:700 26px 'Barlow Condensed','Arial Narrow',sans-serif;text-transform:uppercase;color:#EEF0F1 !important\"\u003eWhy Reimer Tuning\u003c\/h2\u003e\n\u003cp style=\"box-sizing:border-box;min-width:0;margin:0;font:400 15px\/1.6 Barlow,sans-serif;color:#D5D9DC;text-wrap:pretty\"\u003eWe are a Canadian-owned shop that has tuned farm equipment since 2014. Our own technicians flash every 3R and 4R ECM in house, each tune carries a 1 year software warranty, and real people answer the phone when you call.\u003c\/p\u003e\n\u003cdiv style=\"box-sizing:border-box;min-width:0;display:flex;flex-wrap:wrap;gap:10px;margin-top:6px\"\u003e\n\u003ca href=\"tel:+18337678863\" target=\"_top\" style=\"box-sizing:border-box;min-width:0;text-decoration:none;padding:11px 16px;background:#B3212B;color:#fff !important;font:700 15px 'Barlow Condensed',sans-serif;letter-spacing:.08em;text-transform:uppercase\"\u003eCall Us: 1-833-767-8863\u003c\/a\u003e\u003ca href=\"mailto:sales@reimertuning.com?subject=2014%2B%20John%20Deere%203R%2F4R%20Reflash\" target=\"_top\" style=\"box-sizing:border-box;min-width:0;text-decoration:none;padding:11px 16px;border:1px solid #8A9196;color:#fff !important;font:700 15px 'Barlow Condensed',sans-serif;letter-spacing:.08em;text-transform:uppercase\"\u003esales@reimertuning.com\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"box-sizing:border-box;min-width:0;display:flex;flex-direction:column;gap:10px\"\u003e\n\u003ch2 style=\"box-sizing:border-box;min-width:0;margin:0;font:700 26px 'Barlow Condensed','Arial Narrow',sans-serif;text-transform:uppercase;color:#EEF0F1 !important\"\u003eOther John Deere models\u003c\/h2\u003e\n\u003ca href=\"https:\/\/reimertuning.com\/products\/john-deere-tier4f\" style=\"box-sizing:border-box;min-width:0;text-decoration:none;display:flex;justify-content:space-between;gap:12px;padding:9px 0;border-bottom:1px solid #4A5055;color:#fff !important;font:600 15px Barlow,sans-serif;align-items:baseline;white-space:nowrap\"\u003eJohn Deere 5–8 Series 2014+\u003cspan style=\"box-sizing:border-box;min-width:0;font:400 12px 'JetBrains Mono',monospace;color:#AEB4B9;flex:none\"\u003eView →\u003c\/span\u003e\u003c\/a\u003e\n\u003ca href=\"https:\/\/reimertuning.com\/products\/john-deere-tier4i\" style=\"box-sizing:border-box;min-width:0;text-decoration:none;display:flex;justify-content:space-between;gap:12px;padding:9px 0;border-bottom:1px solid #4A5055;color:#fff !important;font:600 15px Barlow,sans-serif;align-items:baseline;white-space:nowrap\"\u003eJohn Deere 5–8 Series 2011–2014\u003cspan style=\"box-sizing:border-box;min-width:0;font:400 12px 'JetBrains Mono',monospace;color:#AEB4B9;flex:none\"\u003eView →\u003c\/span\u003e\u003c\/a\u003e\n\u003ca href=\"https:\/\/reimertuning.com\/products\/john-deere-fwd-tier3\" style=\"box-sizing:border-box;min-width:0;text-decoration:none;display:flex;justify-content:space-between;gap:12px;padding:9px 0;border-bottom:1px solid #4A5055;color:#fff !important;font:600 15px Barlow,sans-serif;align-items:baseline;white-space:nowrap\"\u003eJohn Deere FWD 2007–2011\u003cspan style=\"box-sizing:border-box;min-width:0;font:400 12px 'JetBrains Mono',monospace;color:#AEB4B9;flex:none\"\u003eView →\u003c\/span\u003e\u003c\/a\u003e\n\u003ca href=\"https:\/\/reimertuning.com\/collections\/john-deere\" style=\"box-sizing:border-box;min-width:0;text-decoration:none;display:flex;justify-content:space-between;gap:12px;padding:9px 0;border-bottom:1px solid #4A5055;color:#fff !important;font:600 15px Barlow,sans-serif;align-items:baseline;white-space:nowrap\"\u003eAll John Deere models\u003cspan style=\"box-sizing:border-box;min-width:0;font:400 12px 'JetBrains Mono',monospace;color:#AEB4B9;flex:none\"\u003eBrowse →\u003c\/span\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003cp style=\"box-sizing:border-box;min-width:0;margin:0;padding:16px 32px;font:400 12px\/1.6 Barlow,sans-serif;color:#5C646B\"\u003eOff-road use only. Not for machines registered for highway use. Buyers are responsible for knowing their provincial or state legislation. All sales final.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Which module do I ship to you?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Only the Yanmar engine ECM. It runs the EGR and DPF on 3R and 4R tractors, so the other controllers stay on the tractor.\"}},{\"@type\":\"Question\",\"name\":\"How long is the turnaround?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"We flash your ECM and ship it back the next business day after it arrives, so the tractor is only down for shipping time each way.\"}},{\"@type\":\"Question\",\"name\":\"What do I do with the DPF afterward?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Hollow out the canister or put a straight pipe in its place once the ECM is flashed. There is no DEF or SCR on these tractors, so that is the only exhaust work.\"}},{\"@type\":\"Question\",\"name\":\"Will a John Deere update remove the tune?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"It can. A dealer software update or reflash may overwrite our file. Read our OTA statement above before you connect the tractor to dealer service tools.\"}}]}\u003c\/script\u003e\n","brand":"Reimer Tuning","offers":[{"title":"EGR\/DPF Reflash \/ Yanmar Bench Flashing","offer_id":49105208770860,"sku":"6012DPF","price":2495.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0277\/6511\/2918\/products\/2018-John-Deere-4066R--Front-Right.png?v=1661288439","url":"https:\/\/reimertuning.com\/products\/john-deere-3r-4r-series","provider":"Farming Performance Ltd. c\/o Reimer Tuning","version":"1.0","type":"link"}