Caterpillar Tier4A Skid Steer Reflash

From $2,495.00
Reflash Options
Horsepower Tunes
Tooling
$2,495.00
$2,495.00
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CAT Tier 4A Skid Steer DPF & EGR Delete Tune

Keep your CAT working instead of waiting on regens. We bench flash the ECM on your Tier 4A CAT skid steer or CTL to switch off the EGR and DPF for good, with optional Stage 1 and Stage 2 tunes up to 89 hp. We ship all across the US and Canada.

FitsCAT 239D3, 242D3, 246D3, 249D3, 257D3, 259D3, 262D3, 279D3, 289D3, 250, 253, 255, 260, 265
SystemsEGR · DPF
ControllerECM
MethodMail-in bench flash
TurnaroundNext business day
PowerUp to 89 hp
2.2L ENGINE MODELSCAT machines with the 2.2L engine use a different kit. See the correct option for your machine.View →

Horsepower · CAT 279D3

Stock74HP
 
Factory baseline
Stage 181HP
 
+7 hp · +10%
Stage 289HP
 
+15 hp · +20%

Numbers based on the CAT 279D3. Power comes in sooner, so the engine works at lower load.

 

Kit includes

01ECM emissions programming
02ECM removal instructions
03DPF removal guide

Mail-in process

STEP 01OrderShipping and customs instructions arrive by email.
STEP 02Remove & shipPull the ECM and send it to us.
STEP 03Bench flashWe flash the ECM and ship it back next day.
STEP 04InstallReinstall modules, fit EGR plate, hollow or pipe the DPF.

Why delete the DPF and EGR on a CAT skid steer?

DPF

Diesel particulate filter

A CAT under steady load packs its DPF with soot, and the ECM eventually calls for a regen that burns extra fuel and slows the job down. Miss enough regens and the filter plugs, leaving you with a cleaning bill or a new canister. Delete it and the exhaust leaves the engine with nothing in the way.

EGR

Exhaust gas recirculation

Part of the exhaust gets piped back into the intake air, and the soot it carries bakes onto the EGR valve and cooler. Once the valve hangs up you get dash codes, weak throttle response and a derate. Our reflash turns the EGR off, so the engine only breathes clean air.

CAT skid steers for mulching and forestry

Long days on a mulching head or brush cutter push a CAT’s aftertreatment system to its limit. For forestry work, this is the setup we recommend:

01EGR and DPF deleteNo more regens or EGR faults in the middle of a job.
02Stage 2 tune · 89 hpExtra power to keep the head spinning in heavy material.
03Hollow or pipe the DPFFree-flowing exhaust that moves heat out of the engine bay.

Frequently asked questions

Q1Why choose a Reimer Tuning reflash for my CAT skid steer?+

These CAT machines run the same engine family as the Kubota SVL95. We bought our own SVL95 and built this file in house before bringing it to market, and helped develop the protocol needed to reflash these machines.

Q2Will I have warning lights after the reflash?+

No. Once our file is installed there are no emissions warning lights on the dash, and the machine will not go into regen.

Q3My aftertreatment harness is damaged. Does it need to be repaired?+

Yes. The exhaust gas temperature sensors must stay plugged in for CAN bus resistance, so the aftertreatment harness has to be in working condition. The differential pressure sensor does not need to be reconnected, and with a straight pipe the harness can be zip tied out of the way. The sensors do not have to go back into the exhaust.

Q4Can you bypass a DPF filter?+

Yes. All aftertreatment sensors are turned off, so the DPF can be removed completely. You can hollow out the canister or straight pipe it.

Q5Will the horsepower tune increase fuel use?+

Our Stage 1 (+10%, 81 hp) and Stage 2 (+20%, 89 hp) tunes use a linear map, so power comes in sooner. Run it at lighter load and you can save fuel, with the extra power there when the job needs it.

Q6Do you ship to the United States and Canada?+

Yes. We serve owners across Canada and the US. After you order we email shipping and customs instructions for your ECM.

Q7Disclaimer+

This product is for off-road use only and cannot be used on machines registered for highway use. Check your provincial or state legislation before purchasing.

Why Reimer Tuning

These CAT machines share their engine family with the Kubota SVL95, so we bought our own SVL95 and built this file in house before it ever went on sale. Canadian owned since 2014, with real tech support behind every tune.

Other CAT models

CAT excavatorsView → CAT industrial enginesView → CAT backhoe loadersView → All Caterpillar modelsBrowse →

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

Caterpillar Tier4A Skid Steer Reflash

$2,495.00

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