2014-Present Massey Ferguson Tractor Reflash
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2014+ Massey Ferguson Tractor DEF Delete Tune
Made for the AGCO Power utility and mid-size Masseys. The Reflash Master handheld connects at the cab diagnostic port and loads new engine software that turns off DEF dosing for good. Early 4600 and 5600 tractors without DEF can get an EGR and DOC delete instead. Add a Stage 1 or Stage 2 file for more torque on the loader and PTO. We ship all across the US and Canada.
Fits4600M–6700 Series, 2014–Present
SystemsDEF / SCR · EGR · DOC
EngineAGCO Power 3.3L · 4.4L · 4.9L
MethodReflash Master handheld
TurnaroundTuned file in 2 hours
PowerUp to 108 hp (MF 4609)
Horsepower tunes · Massey Ferguson 4609
Stock90HP
Factory rating
Stage 199HP
+9 hp · +10%
Stage 2108HP
+18 hp · +20%
Figures shown for a 90 hp MF 4609. Larger models gain a similar percentage of their own rating. Ask us for the numbers on your tractor.
Kit includes
01Reflash Master handheld device
02USB cable and diagnostic cable
03Quick Reference Guide
04Reflash Master Client software
EXHAUST
No DPF on these tractors
None of these Masseys use a particulate filter, so no straight pipe is needed. The SCR catalyst can stay in place since it barely restricts flow. The SCR tractors have no EGR, while early EGR-equipped 4600 and 5600 tractors get an EGR and DOC delete instead.
Handheld tuning process
STEP 01OrderPlace your order and the handheld kit ships out, usually the next business day.
STEP 02ReadConnect to the diagnostic port in the cab and pull a copy of the stock engine file.
STEP 03SendUpload the stock file from your computer. Our team returns the modified version in roughly 2 hours.
STEP 04WriteLoad the new software onto the ECM with the same handheld, key off, and you are done.
Massey Ferguson tractors it fits
2014 and newer Masseys powered by AGCO Power 3- and 4-cylinder engines.
Massey Ferguson4600M Series4608 · 4609 · 4610
Massey Ferguson5600 Series5608 · 5609 · 5610 · 5611 · 5612 · 5613
Massey Ferguson6600 Series6612 · 6613 · 6614 · 6615 · 6616
Massey Ferguson4700 Series4707 · 4708 · 4709 · 4710
Massey Ferguson5700 Series5709 · 5710 · 5711 · 5711SL · 5712SL · 5713SL
Massey Ferguson6700 Series6711 · 6712 · 6713
Not sure which version you have? Send us a photo of the serial plate and we will match the right file.
Why delete the DEF, EGR and DOC on a Massey Ferguson?
DEF
Diesel exhaust fluid
Utility tractors often sit for weeks between jobs, and that is hard on DEF. The fluid is mostly water, so it can freeze and split a tank over a cold winter in the yard, and it leaves crusty deposits in the lines when it sits too long. Once dosing is switched off, drain the tank and flush the system with washer fluid so nothing is left behind to harden.
SCR
Selective catalytic reduction
On these AGCO Power engines, a weak dosing pump, a clogged injector or a NOx sensor going out of range will drop the tractor into derate, often in the middle of baling or loader work. Those repairs mean dealer parts and a trip to the shop. With the SCR checks removed from the software, the tractor keeps full power no matter what that hardware reports.
EGR
Exhaust gas recirculation
Routing hot exhaust back into the intake leaves soot behind in the cooler, valve and intake manifold. On the early 4600 and 5600 tractors that use it, especially loader tractors that idle and runs at low load much of the day, that buildup comes fast and robs power over time. Removing EGR from the calibration means the engine breathes only clean air, and a sticking valve or cracked cooler stops being a repair bill.
DOC
Diesel oxidation catalyst
The DOC can plug or lose efficiency with age, and on some setups the software watches its temperatures and flags faults when readings drift. Deleting it in software stops those checks, so a worn catalyst no longer brings up warnings or cuts power.
More pull from the AGCO Power engine
Massey rates these engines conservatively from the factory. A Stage 2 file takes a 4609 from 90 hp to about 108 hp, more than a stock 4610 makes.
0190 to 108 hpBig-tractor output without stepping up to a heavier, pricier machine.
02Stronger low-end torqueRPM stays up when the loader digs into a pile or a baler hits a heavy windrow.
03Easier on the engineEveryday chores take less out of the engine, and the extra power is there when a job calls for it.
Frequently asked questions
Q1Why go with Reimer Tuning for a Massey Ferguson?+
We build the software for these AGCO Power engines in house, and the tuned file is back in about 2 hours. Every file comes with a 1 year software warranty, and a technician can stay on the line while you flash.
Q2Can you tune a 4600 or 5600 without DEF?+
Yes. Some early 4600 and 5600 tractors use EGR and a DOC instead of DEF, and we offer EGR and DOC deletes for those. The SCR models never had EGR, so on those the DEF reflash covers it. Send us your serial number and we will set up the correct file.
Q3Can I use the handheld on other machines?+
Yes. The Reflash Master is yours to keep, and we can license it for another tractor, combine or windrower later. Call us when you are ready for the next machine.
Q4Does the tractor still use DEF after the tune?+
No. Dosing is turned off and the DEF warnings are cleared, so a low, frozen or bad tank will not throw a fault or limit power.
Q5Will a horsepower tune burn more fuel?+
Not usually. A better fuel and boost calibration means the engine does the same job at a lighter throttle. Run it the way you always have and fuel use tends to stay flat or drop a little. It only climbs when you lean on the extra power.
Q6How quickly does my kit ship?+
Most kits ship within 1 business day to the US and Canada. Expedited orders placed after 12 ET go out the next day.
Q7Disclaimer+
Sold for off-road agricultural use only, and not for any machine registered for highway use. Review your state or provincial laws before you order.
Why Reimer Tuning
Reimer Tuning has been tuning farm equipment since 2014. We are a Canadian owned shop, every Massey file includes a 1 year software warranty, and the person who answers the phone knows these 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.
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2014-Present Massey Ferguson Tractor Reflash
$2,495.00
