Stage 1

John Deere 8R Series All years 8310RT 310hp (228kW) 1452Nm Stage 1

Takes the 8310RT 310hp (228kW) 1452Nm from 310hp to 346hp, and 1452Nm to 1615Nm.

+36horsepower
+163newton metres

Where the gain arrives

Scaled from the manufacturer curve for this engine.

Power before and after
09318728037401,2001,6002,0002,400 RPM 09318728037401,4002,0002,600hp RPM
  • Standard 310hp
  • Remapped 346hp
Torque before and after
04368721308174401,2001,6002,0002,400 RPM 04368721308174401,4002,0002,600Nm RPM
  • Standard 1452Nm
  • Remapped 1615Nm

Standard against Stage 1

MeasureStandardAfterGain
Power310hp346hpup 36
Torque1452Nm1615Nmup 163

What Stage 1 involves

Stage 1 is for a standard car with nothing fitted. We read the original file off the ECU, write a calibration developed for the 8310RT 310hp (228kW) 1452Nm, then road or rolling road test it before handing the car back. Nothing is added and nothing is removed, so it looks and services exactly as it did.

It takes most of a day. We keep your original file, so it can go back to standard at any point. Figures here are for a healthy 8310RT 310hp (228kW) 1452Nm, and we check the car over before writing to it.

See the full 8310RT 310hp (228kW) 1452Nm page for every file and figure, the other engines on this 8R Series, or all John Deere remapping.

Book your 8R Series Stage 1

We write and test every file at our Aston workshop, on our own rolling road. Ring us with your reg and we will tell you what your car should make before you commit to anything.