656 engine rpms

Fullern90

Member
Hi,
I just bought a 1970 656 diesel that has a rebuilt engine. When did IH change the engine RPMs from 1800-2300 on the 656 because it doesn't seem like the engine can throttle up enough. Thanks
-Neil
 
Never did on the gear drive tractors. The Hydrostatic drive 656 was the higher 2300 rpm's. Gear drive is 1965 + or - a few . Most will run a little over 2000.
 
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