Fitment Guide:
John Deere Combine: 2254, 2256, 2258, 6600-w/ 329D Diesel Engine, 1977-1982, Both Wet & Dry Clutch Applications, Easy to Adapt, Requires Minor Wiring Modifications, Improves Starter Reliability & Performance, Engine Starts Much Faster, 6602-w/ 329D Diesel Engine, 1977-1982, Both Wet & Dry Clutch Applications, Easy to Adapt, Requires Minor Wiring Modifications, Improves Starter Reliability & Performance, Engine Starts Much Faster, 6620-w/ 6-404D Diesel Engine, Easy to Adapt, Requires Minor Wiring Modifications, Improves Starter Reliability & Performance, Engine Starts Much Faster, 6622-w/ 404D Diesel Engine, 1977-1982, Both Wet & Dry Clutch Applications, Easy to Adapt, Requires Minor Wiring Modifications, Improves Starter Reliability & Performance, Engine Starts Much Faster, 7700-1977 – 82, Both Wet & Dry Clutch Applications, Easy to Adapt, Requires Minor Wiring Modifications, Improves Starter Reliability & Performance, Engine Starts Much Faster, 7720-Easy to Adapt, Requires Minor Wiring Modifications, Improves Starter Reliability & Performance, Engine Starts Much Faster, 8820-Easy to Adapt, Requires Minor Wiring Modifications, Improves Starter Reliability & Performance, Engine Starts Much Faster, 9400, 9410, 9450, 9500-1989 – 92, Both Wet & Dry Clutch Applications, Easy to Adapt, Requires Minor Wiring Modifications, Improves Starter Reliability & Performance, Engine Starts Much Faster, 9500SH-1989 – 92, Both Wet & Dry Clutch Applications, Easy to Adapt, Requires Minor Wiring Modifications, Improves Starter Reliability & Performance, Engine Starts Much Faster, 9510, 9510SH, 9550, 9550SH, 9560SH, 9560STS, 9570STS, 9610, 9640WTS, 9650, 9650CTS, 9650STS, 9660, 9660CTS, 9660STS, 9660WTS, 9680WTS, 9750STS, 9760STS, C670, CTSII, S550, T660, T670