John Deere Construction motor graders ECM tuning & reflashing

We program engine control modules for 13 John Deere Construction motor graders applications, running control units such as the Deere Phoenix L33, Deere Phoenix L21, Deere Phoenix L15, Deere Phoenix L14, Deere Phoenix L14 / L15 and Deere Phoenix L3.

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What we do for John Deere Construction motor graders

Performance calibration for more usable power and better fuel use, stock software reloads and updates, and recovery of John Deere Construction modules that failed during a flash. The original file is saved before any change and can be reloaded at any time, and engine protections stay active.

Why tune? · How mail-in works

How to order

Send the model, serial number and a photo of the ECM label. We confirm the exact module against our list, quote it, and you ship the ECM to our Oklahoma shop from anywhere in the USA or overseas.

In diesel tuning since 2012, with thousands of machines programmed.

Supported John Deere Construction motor graders

Model and engine	hp	Year	ECM
620G 6.8L PHOENIX L14	215	2018	Deere Phoenix L15
670G 9.0L PHOENIX L14	235	2014	Deere Phoenix L14 / L15
672CH 6.8L PHOENIX L3	197		Deere Phoenix L3
672D 6.8L PHOENIX L9 /L11 / L12	165	2015	Deere Phoenix L9 / L11 / L12
672G 9.0L PHOENIX L33	249		Deere Phoenix L33
672GP 9.0L PHOENIX L14	240	2011	Deere Phoenix L14
672GP 9.0L PHOENIX L21	255	2011	Deere Phoenix L21
770G 9.0L PHOENIX L33	255	2018	Deere Phoenix L33
770GP 9.0L PHOENIX L33	249		Deere Phoenix L33
772GP 9.0L PHOENIX L14	266	2011	Deere Phoenix L15
772GP 9.0L PHOENIX L14	266	2011	Deere Phoenix L14
772GP 9.0L PHOENIX L21	275	2018	Deere Phoenix L21
872GP 9.0L PHOENIX L21	300	2015	Deere Phoenix L21

Don't see your exact machine? Many modules we program aren't listed. Send us the details.

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