SISU7066F Performance Module

In stock

6.6L Final Tier IV Sisu engines

Up to 30% Horsepower Increase and 10-20% Fuel Savings



The SISU7066F Performance Module fits 6.6L Final Tier IV Sisu engines. This diesel performance module is designed for fuel economy with up to 30% increase in hp and fuel savings up to 10%-20%. Adjustable with a four position switch you can adjust the power on the fly, Stock, +10%, +20%, & +30% hp. The module doesn't flash the ECM, instead it receives the data from the ECM, optimizes the signal to the engine improving the fuel efficiency and power. So it does indeed promise to pay for itself in pretty short order. Plug-and-play connectivity means there’s no need to cut, splice or modify engine wiring.

Best of all, all of our modules come with a Lifetime Warranty.

Install Instructions

Install instructions
More Information
Agricultural Manufacturers Challenger, JCB, Massey Fergeson, Valtra
JCB Tractors 4160, 4190, 4220
Massey Fergeson Tractors 7714, 7715, 7716, 7718, 7719, 7720
Challenger Tractors MT515E, MT525E, MT535E, MT545E, MT555E, MT565E
Valtra Tractors T144, T154
Challenger Windrowers WR9870
Massey Fergeson Windrowers WR9860
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