2014-2024 T9 New Holland Tractor Reflash

From $1,850.00
Reflash Options
Tooling
$1,850.00
$1,850.00
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2014–2024 New Holland T9 Tractor DEF Delete Tune

Your T9 was built to pull big iron, not to wait on DEF. Our Reflash Master handheld rewrites the engine file to shut off the DEF/SCR system, with no parts to remove from the exhaust. Choose a Stage 1 or Stage 2 horsepower tune at the same time for up to 21% more rated power on the drawbar. We ship all across the US and Canada.

FitsT9 4WD, 2014–2024
SystemsDEF / SCR
TierTier 4B
MethodReflash Master handheld
TurnaroundTuned file in 2 hours
PowerUp to 700 rated hp (T9.645)
Application list
T9T9.435 · T9.480 · T9.530 · T9.565 · T9.600 · T9.645 · T9.700

Horsepower tunes · New Holland T9.645

Stock580HP
 
Factory rating
Stage 1620HP
 
+40 hp · +7%
Stage 2700HP
 
+120 hp · +21%

Shown in rated horsepower, not maximum, for a T9.645. Other T9 models gain a similar share of their own rating, so call us for the exact numbers on yours.

 

Kit includes

01Reflash Master handheld device
02USB cable and diagnostic cable
03Quick Reference Guide
04Reflash Master Client software
EXHAUST No exhaust modification needed Tier 4B T9s use SCR alone, with no DPF and no EGR. The catalyst does not choke exhaust flow, so it stays where it is and the tractor can go straight back to work after the flash.

Handheld tuning process

STEP 01OrderWe ship your Reflash Master kit, normally within 1 business day.
STEP 02ReadHook the handheld to the T9’s diagnostic port and read the original engine file.
STEP 03SendEmail us the read. We write a custom file for your tractor and send it back in around 2 hours.
STEP 04WriteWrite the new file with the handheld, start the engine and hook up the implement.
VIDEO TUTORIALWatch a full Reflash Master walkthroughWatch →

Why delete the DEF on a New Holland T9?

DEF

Diesel exhaust fluid

A T9 pulling a wide air drill or a big disc burns through DEF at a pace few other machines match, and every fill is another trip with a tote or a tender. Because the fluid is largely water, a winter outside can freeze the tank and lines, and old fluid leaves deposits behind. With DEF switched off in the file, that whole supply chain goes away.

SCR

Selective catalytic reduction

The SCR on a T9 relies on NOx sensors, a dosing unit and heated lines that all have to report correctly. When one of them fails, the engine drops power, and on a tractor this size that can mean a stalled seeding or tillage pass across a whole section. After the reflash, the ECM stops tracking those parts, so a sensor fault can no longer slow you down.

Headroom in every T9

Several T9 models share an engine and are separated mostly by their factory calibration. New Holland leaves room in those files, which is why a T9 takes extra power so comfortably. Our tunes put that headroom to use without asking the engine for more than it was built to give.

01Calibration sets the ratingModels that share an engine are rated apart in software, not in hardware.
02Up to 700 rated hpStage 2 moves a T9.645 from 580 to 700 rated hp.
FROM THE BLOGReplacement for DisplacementWhy calibration, not engine size, decides the rating. Read →

Frequently asked questions

Q1What do I get by tuning my T9 with Reimer?+

A file written for your exact T9 by our in-house team, back in about 2 hours, with a 1 year software warranty. If anything comes up during the flash, our techs are a phone call away.

Q2Does the exhaust need any changes?+

No. Tier 4B T9s have no DPF or EGR, and the SCR catalyst can stay on without limiting flow. On a very high-hour tractor, give us a call first and we will talk it through.

Q3What should I do with the DEF tank?+

Once the new file is in, the T9 no longer draws or monitors DEF. Empty the tank, run washer fluid through the system to clear any residue, and leave it dry. DEF warnings will not return.

Q4Can the handheld tune my other tractors?+

Yes. The Reflash Master stays with you. Let us know about your next machine and we can set the handheld up for it.

Q5How does a tune affect fuel use on a T9?+

Fuel follows the load you put on the engine. The tune builds torque lower in the rev range, so under an everyday drawbar load the T9 works less hard than it did stock. Burn only goes up when you ask for the extra horsepower on a heavy tillage pass or a bigger drill.

Q6When will my kit ship?+

Most kits ship within 1 business day to anywhere in the US and Canada. Expedited orders placed after 12 ET ship the following business day.

Q7Disclaimer+

For off-road agricultural machines only. Do not install on equipment registered for highway use. Buyers must check their own state or provincial laws first.

Why Reimer Tuning

Our T9 files are built and tested in house, and each comes with a 1 year software warranty. Reimer Tuning is a Canadian company that has tuned farm equipment since 2014, and our techs know 4WD tractors inside and out.

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

2014-2024 T9 New Holland Tractor Reflash

$1,850.00

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