Allis Chalmers D15 Transmission


Allis Chalmers D15 tractor photo
1960 - 1968
Model year
D Series
Row-Crop tractor
D14
Series:D15D17
D15 Series II
Transmissions overview
8-speed partial power shift
4-speed
Transmission
Transmission:Power Director
Type:partial power shift
Gears:8 forward and 2 reverse
Oil capacity:14.75 qts
14.0 L
Oil type:
SAE80EP

The transmission is controlled by means of the gear shift lever and the Power Director lever. The tractor must be stopped, and clutch used, to select one of four forward gears, or reverse. The Power Director lever has high, low, and neutral positions. The Power Director can be shifted on the move without clutching. Placing the Power Director into neutral causes the tractor to stop while keeping the PTO engaged.
Speeds
With 12.4-26 rear tires.
D15 Power Director partial power shift speeds
Transmission
Transmission:shuttle
Gears:4 forward and reverse
Oil capacity:14.75 qts
14.0 L
Oil type:
SAE80EP

The shuttle transmission is controlled using the gear shift lever and the shuttle control lever. The tractor must be stopped, and clutch used, to select one of four speeds with the gear shift. The shuttle control lever enables a shift between forward, reverse, or neutral without clutching. A PTO could be ordered on the industrial D15 with the shuttle, but it ran at 875 RPMs.
Page information
Last update:March 24, 2020
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