2020–Present New Holland CR / CX Stage V Combine

From $1,850.00
Tuning Options
Tooling
$1,850.00
$1,850.00
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2020+ New Holland CR / CX Combine DEF Delete Tune

Harvest leaves no room for a DEF derate with the grain tank half full. For 2020 and newer New Holland CR and CX combines, the Reflash Master handheld reprograms the engine at the diagnostic port so the SCR system no longer needs DEF. These machines also carry a DPF. We recommend leaving it in place, so a future software update cannot leave you stranded in the field. Add a horsepower file for up to 20% more power in heavy crop. We ship all across the US and Canada.

FitsCR · CX, 2020–Present
SystemsDEF / SCR (DPF stays on)
EngineFPT Cursor series
MethodReflash Master handheld
TurnaroundTuned file in 2 hours
PowerUp to 620 hp (CR9.90)
Application list
CRCR7.80 · CR7.90 · CR8.90 · CR9.80 · CR9.90 · CR10.90
CXCX7.80 · CX7.90 · CX8.70 · CX8.80 · CX8.90
PRE-2020 COMBINE?Earlier CR and CX combines use a different engine calibration. Browse our New Holland lineup for the right kit.View →

Horsepower tunes · New Holland CR9.90

Stock517HP
 
Factory rating
Stage 1569HP
 
+52 hp · +10%
Stage 2620HP
 
+103 hp · +20%

Figures shown are for a CR9.90 at its factory rating. A CX7.80 or a CR10.90 will see different numbers, so call us for the gains on your combine.

 

Kit includes

01Reflash Master handheld device
02USB cable and diagnostic cable
03Quick Reference Guide
04Reflash Master Client software
EXHAUST DPF stays in place Stage V CR and CX combines have a DPF, and we recommend keeping it. If a dealer software update ever overwrites the tune, a combine with its DPF still on keeps running. One with the DPF removed can drop into derate and leave you stuck mid-harvest.

Handheld tuning process

STEP 01OrderOrder online or call us, and your kit typically ships the next business day.
STEP 02ReadConnect the handheld at the combine’s diagnostic port and read the factory engine file.
STEP 03SendSend the read file to us from a computer. Your custom file comes back in about 2 hours.
STEP 04WriteWrite the custom file to the ECM, turn the key and get back to harvest.
VIDEO TUTORIALSee the Reflash Master in actionWatch →

Why delete the DEF on a Stage V New Holland combine?

DEF

Diesel exhaust fluid

A combine runs hard for a few weeks and then sits for most of the year. DEF left in the tank over that long layoff degrades, and residue can plug the pump and dosing lines before the next harvest. During the season, it is one more fluid to haul to the field with the fuel tender. Turning DEF off in the software removes that tank from the daily routine.

SCR

Selective catalytic reduction

Chaff, dust and heat all take a toll on the SCR hardware on a combine. When a NOx sensor drifts or the doser clogs, the ECM can cut power with the header full of crop and rain on the way. Parts are costly and hard to get at the peak of harvest. Once SCR monitoring is off in the file, those failures no longer slow the machine down.

Covers the CR and CX lineup

This kit fits 2020 and newer CR twin-rotor and CX conventional combines. We build every file from your own ECM read, so the DEF delete and any power gain match your engine and rating.

01CR twin rotorFrom the CR7.80 up to the CR10.90, every CR rotary model is covered.
02CX conventionalThe CX7 and CX8 straw-walker combines use the same kit and process.
03Steady rotor speedExtra torque keeps the rotor up to speed in tough, green straw and heavy yields.

Frequently asked questions

Q1Why choose Reimer Tuning for my New Holland combine?+

Our team writes every CR and CX file in house, and the same techs help you over the phone during the flash. Files are ready in about 2 hours and include a 1 year software warranty.

Q2Can the handheld be used on my other equipment?+

Yes. The handheld is VIN-locked to your combine, but you keep it. Call us and we will reset it so it can tune another machine on your farm.

Q3Should I delete the DPF as well?+

Not at this time. Stage V software gets updated by dealers, and an update can write over the tuned file. With the DPF still on, the combine keeps running normally if that happens. With it removed, the machine can go into derate and leave you stranded in the field. That is why we recommend the DEF reflash only.

Q4Will the combine still use DEF?+

No. Dosing stops and DEF warnings are cleared from the calibration. Drain the tank and rinse the lines with washer fluid before storage so nothing crystallizes.

Q5Does more horsepower mean higher fuel use?+

The tune is about ground speed. With more horsepower on tap, you can drive faster in heavy crop and keep the threshing system loaded, which gets more acres done in a day. Hourly burn may climb slightly, but per-acre fuel use generally stays the same or improves.

Q6When will my kit ship?+

Most orders ship the next business day across the US and Canada. Expedited orders placed after 12 PM ET go out the following day.

Q7Disclaimer+

Off-road agricultural use only. Not for any machine registered for highway use. Check your state or provincial laws before you buy.

Why Reimer Tuning

Reimer Tuning has been tuning ag equipment from Canada since 2014. Our New Holland combine files are written in house with a 1 year software warranty, and your call goes straight to a tech who knows these machines.

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

2020–Present New Holland CR / CX Stage V Combine

$1,850.00

Questions about this product?
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