2011-2014 John Deere S-series Combines Reflash

From $1,850.00
Reflash Options
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$1,850.00
$1,850.00
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2011–2014 John Deere S-Series Combine DPF & EGR Delete Tune

When the S-Series launched, Deere met Interim Tier 4 with cooled EGR and a DPF and no DEF. A decade later, those two systems are why many S680s lose time in the middle of harvest. Use our Reflash Master handheld to tune the combine in your own yard, or ship the ECM in for a bench flash. Either way EGR and DPF are turned off, with Stage 1 or Stage 2 power available. We ship all across the US and Canada.

FitsJD S550–S690, 2011–2014
SystemsEGR · DPF
TierInterim Tier 4
MethodHandheld or bench flash
Turnaround2 hrs · bench next business day
PowerUp to +20%

Stage 1 vs Stage 2 · John Deere S680

Stock473HP
 
Factory baseline
Stage 1520HP
 
+47 hp · +10%
Stage 2568HP
 
+95 hp · +20%

Worked out from the S680’s 473 hp rating. More power lets the S-Series hold rotor speed while you push a faster ground speed, so more acres come off each hour. Stage 1 favours fuel economy with extra torque, and Stage 2 is for keeping capacity up in heavy crop. The S550, S660, S670 and S690 gain the same percentage over their own ratings.

 
COMBINE IN DERATE?Derated from high soot? Send us the ECMIf high soot has the combine derated and you can’t reset it on site, choose Bench Flashing. We load the tune, clear the soot levels with the ECM on our bench and ship it back the next business day.
Ask which option fits

What’s included

01Tune file with EGR and DPF turned off
02Stage 1 or Stage 2 horsepower, if selected
03EGR block-off plate
04Reflash Master handheld, diagnostic cable and USB cable (handheld option)
051 year software warranty

Handheld process

STEP 01OrderMost kits are shipped the next business day.
STEP 02ReadPlug into the combine’s diagnostic port and save the factory ECM file.
STEP 03SendSend the read our way. The tune returns in about 2 hours.
STEP 04WriteWrite the tune, fit the EGR plate and gut or pipe the DPF.

Bench flash process

STEP 01OrderWe email the shipping address and customs details.
STEP 02ShipPull the engine ECM and ship it to us.
STEP 03FlashWe flash it, clear soot and return it the next business day.
STEP 04InstallReconnect the ECM, bolt on the plate and sort out the DPF.
OVER-THE-AIR UPDATESRead our position on John Deere OTA rewritesRead →

After the tune

EXHAUSTHollow out or straight pipe the DPFWithout regens the filter can only fill up, so hollow the canister or replace it with a straight pipe. Interim Tier 4 S-Series combines have no SCR, so that is the only exhaust work.
EGRBlock-off plate includedThe tune holds the EGR valve closed, and the included plate seals the port as well, so a valve stuck open still can’t let exhaust into the intake.

S-Series combines we tune

Interim Tier 4 John Deere S-Series combines, 2011 to 2014.

S-SeriesInterim Tier 4
S550S660S670S680S690

Not sure what year your combine is? Email us the serial number and we will check it before you order. Final Tier 4 combines with DEF use a different tune.

2014 – PRESENT S-SERIES COMBINE?John Deere Final Tier 4 Combines with DEF have their own pageView →

Why delete the DPF and EGR on a 2011–2014 John Deere S-Series?

DPF

Diesel particulate filter

Between unloading, turning at headlands and waiting on trucks, a combine engine runs at changing loads all day, and that is exactly when the DPF collects soot. Each regen sends exhaust temperatures up in an engine bay that collects chaff and dust, and after 10 or more harvests many of these filters are loaded with ash. Hollowing or piping the DPF stops regens and lets the engine breathe.

EGR

Exhaust gas recirculation

Without SCR, these early S-Series engines depend on a high EGR rate to keep NOx down. Recirculated exhaust carbons up the intake and valve over time, and the cooler is heated and cooled every time the combine works. A stuck valve or leaking cooler in September can mean days waiting on parts. Our tune shuts the EGR, and the block-off plate seals it.

Frequently asked questions

Q1Handheld or bench flash: which should I choose?+

Most owners choose the handheld and tune the combine themselves. Bench flashing is the better pick when a soot derate can’t be cleared on site. In rare cases the handheld can’t finish writing because of heavy CAN bus traffic, and then the ECM is sent to us to finish the job on the bench.

Q2How long is the combine out of service?+

With the handheld, roughly 2 hours from when we get your read. For a bench flash, the ECM ships back the next business day, so shipping makes up most of the wait.

Q3What happens to the DPF?+

Gut it or install a straight pipe once the tune is loaded. There is no DEF or SCR on these combines, so nothing else in the exhaust changes.

Q4Should I choose Stage 1 or Stage 2?+

Stage 1 adds about 10% and suits operators who want better fuel use with a little more torque. Stage 2 adds about 20% for combines that bog down in heavy, tough or wet crop. Either way, the extra power keeps the rotor and separator at speed so you can drive faster and cover more acres in a day.

Q5Will a faster ground speed burn more fuel?+

Fuel used per hour can rise a little when you run faster, but each hour harvests more ground. Most owners see fuel per acre hold steady or drop, and the crop comes off sooner.

Q6Can a dealer overwrite the tune?+

Yes. A dealer reflash or software update can replace our file. Read our OTA statement before connecting the combine to dealer service tools.

Q7When does the handheld kit ship?+

Kits generally ship within one business day across the US and Canada. Expedited orders received after 12 PM ET leave the next day.

Q8Disclaimer+

For off-road agricultural use only. Know your state or provincial legislation before purchasing.

Why Reimer Tuning

Reimer Tuning is owned and run in Canada and has tuned farm equipment since 2014. Each combine file is written by our own team, includes a 1 year software warranty, and comes with real phone support.

Off-road use only. Not for machines registered for highway use. Buyers are responsible for knowing their provincial or state legislation. All sales final.

2011-2014 John Deere S-series Combines Reflash

$1,850.00

Questions about this product?
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