2014-2023 Case IH Farmall Reflash

From $1,850.00
Reflash Option
Tooling
$1,850.00
$1,850.00
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Case IH Farmall
DEF Delete Tune

A Farmall is the tractor that runs the loader, mows the hay and does a little of everything, so a DEF warning or SCR derate hits the whole operation. Our Reflash Master handheld shuts off the DEF/SCR system on 2014–2023 Farmall C, U and A series tractors through the diagnostic port, with no exhaust changes. Add a horsepower tune for up to 20% more pulling power. We ship all across the US and Canada.

FitsFarmall C · U · A2014–2023
SystemsDEF / SCR
TierTier 4B
MethodReflash Master handheld
TurnaroundTuned file in 2 hours
PowerUp to +20% hp
Application list
Farmall C65C · 75C · 85C · 90C · 95C · 100C · 105C · 110C · 115C · 120C
Farmall U105U · 110U · 115U · 120U
Farmall A95A · 105A · 115A · 110A · 120A · 130A · 140A
1.9 L OR 2.2 L ENGINE?Smaller Farmalls with a 1.9 L or 2.2 L engine use a different kit. See our Shibaura industrial engine tuning.View →

Horsepower tunes · Farmall 100C

Stock100HP
 
Factory rating
Stage 1110HP
 
+10 hp · +10%
Stage 2120HP
 
+20 hp · +20%

Shown for a Farmall 100C at its 100 hp rating. A 65C or a 140A will land on different numbers, so give us a call for the gains on your tractor.

 

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 Farmalls control emissions with SCR and no particulate filter. The catalyst has plenty of flow, so it stays bolted in place and the install is software only.
EGR EGR delete on 3.4 L engines On the 3.4 L FPT, the tuned file also turns off the EGR valve. The 3.6 L and 4.5 L engines were built without EGR.

Handheld tuning process

STEP 01OrderOrder online or by phone, and your handheld kit is normally on its way the next business day.
STEP 02ReadHook the handheld to the tractor’s diagnostic plug and read the original engine file off the ECM.
STEP 03SendSend the original file to us from your computer. Your custom Farmall file comes back in about 2 hours.
STEP 04WriteWrite the new file to the ECM, fire up the tractor and get back to work.
VIDEO TUTORIALWatch a full Reflash Master walkthroughWatch →

Why delete the DEF on a Case IH Farmall?

DEF

Diesel exhaust fluid

Utility tractors often work in short bursts: an hour on the loader, a morning of mowing, then a week parked. That stop-and-start use is hard on DEF, which ages in a hot shop, freezes in an unheated barn and leaves crystals in the pump when it sits. On a mid-size Farmall, buying and storing DEF for occasional use is mostly hassle. Deleting it removes the fluid and the reminders that come with it.

SCR

Selective catalytic reduction

Short runs and lots of idling keep a Farmall’s exhaust cooler than the SCR system likes, and that is when dosers stick and NOx sensors start to read wrong. Any of those faults can put the tractor into reduced power with a bale on the spear or a bucket in the air. Disabling SCR monitoring in the calibration takes those failure points out of the picture.

3.4 L, 3.6 L and 4.5 L: a file for each engine

Farmall C, U and A tractors from these years run FPT diesels in a few sizes. Most C and U models use the 3.4 L, some later builds moved to a 3.6 L, and the 110A through 140A carry a 4.5 L. We read your ECM first, so the file matches the engine in your tractor.

013.4 L and 3.6 LFarmall C and U models, plus the 95A, 105A and 115A, run the smaller FPT engines.
024.5 LThe 110A, 120A, 130A and 140A use the larger block and have the most power to gain.
03Loader and PTO workExtra torque helps hold engine speed when a full bucket or a heavy mower starts to pull it down.

Frequently asked questions

Q1Why choose Reimer Tuning for my Farmall?+

Every Farmall file is written by our own techs, not bought from a third party. We return your custom file in about 2 hours, and it comes with a 1 year software warranty.

Q2Is any exhaust work required?+

None. Tier 4B Farmalls have no DPF to pull, and the SCR catalyst stays installed. The whole job is done in the engine software.

Q3What happens to the DEF system?+

The tuned file stops the engine from using DEF. Drain what is left in the tank and flush the lines with washer fluid so nothing crystallizes later.

Q4Does the kit delete the EGR valve?+

Yes, on the 3.4 L FPT engine. That is the only Farmall engine in this group with an EGR valve, and our file shuts it off so exhaust gas stops cycling back into the intake. The 3.6 L and 4.5 L engines were built without EGR, so there is nothing to remove on those.

Q5My Farmall has a 1.9 L or 2.2 L engine. Does this kit fit?+

No. Those smaller engines need our Shibaura industrial engine tuning kit instead. Call us with your model and serial number if you are unsure which engine you have.

Q6Will a tune raise my fuel use?+

Usually not. The engine reaches working power sooner and runs at a lighter load for everyday jobs. Fuel use only goes up when you actually draw on the added power.

Q7When does my Farmall kit leave your shop?+

Most orders leave our shop the next business day for the US and Canada. Expedited orders placed after 12 PM ET ship the next day.

Q8Disclaimer+

Off-road use only. Not for use on any tractor registered for highway use. It is your responsibility to know your state or provincial laws before buying.

Why Reimer Tuning

Since 2014, Reimer Tuning has been writing engine software for farm equipment from our shop in Canada. We build our Farmall files ourselves and cover each one with a 1 year software warranty. When you call, you talk to a tech who knows Case IH tractors.

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

2014-2023 Case IH Farmall Reflash

$1,850.00

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