Allis Chalmers HD3 Transmission

Allis Chalmers HD3 tractor photo
1960 - 1968
Agricultural Crawler tractor
Transmissions overview
8-speed two-speed power shift
4-speed mechanical shuttle
TransmissionPower Director
Typetwo-speed power shift
Gears8 forward and 2 reverse
Clutchwet disc (Power Director)
 dry disc (gear)
Four gears (1-4) plus reverse (R) with two-speed high/low power shift.
HD3 Power Director two-speed power shift speeds
Typemechanical shuttle
Gears4 forward and reverse
HD3  mechanical shuttle speeds
Page information
Contact: Peter Easterlund
Updated on August 23, 2022
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