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Years in Production / 1951–1955
Allis-Chalmers
HD9
Explore the specifications, hardware, and original references for the Allis-Chalmers HD9.
No photo
93hp
Engine estimate · from belt
Tracks
Drive
1951–1955
Production years
Allis-Chalmers
Manufacturer
HD9 / 01
At a glance
Production
Agricultural Crawler tractor
Built in Springfield, Illinois, USA
- Manufacturer
- Allis Chalmers
- Total Built
- 5,850
Mechanical
Open operator station.
- Drive
- crawler
HD9 / 02
Under the hood
Engine Detail
General Motors
blower diesel
4-cylinder
liquid-cooled 2-cycle vertical I-head
- Displacement
- 284 ci4.7 L
- Bore Stroke
- 4.25x5.00 inches108 x 127 mm
- Compression Ratio
- 16.0:1
- Rated Rpm
- 1600
- Starter Volts
- 12
- Oil Capacity
- 16 qts15.1 L
- Coolant Capacity
- 29 qts27.4 L
- Cylinders
- 4
- Cooling
- liquid-cooled 2-cycle vertical I-head
Engine Options
General Motors 4.7L 4-cyl diesel
- Fuel Tank
- 55 gal208.2 L
HD9 / 03
Gears & controls
Transmission
- Transmission Type
- gear
- Gears
- 6 forward and 3 reverse
- Oil Capacity
- 27 qts25.6 L
HD9 / 04
Size. Stance. Footprint.
Tires And Tracks
16-inch tracks
- Weight
- 18800 lbs8527 kg
Tires And Tracks
- Width
- 16 inches40 cm
- Width
- 20 inches50 cm
See it in action
Videos
Watch Allis-Chalmers HD9 videos from their original YouTube creators.
HD9 / 06
Tests (NTTL)
Nebraska Tractor Test 463Nebraska test report ↗
Diesel 6-speed crawlerJuly 17 - 28, 1951
Drawbar performance
Gear 2 used for power test.
Gear 1 used for pull test.
- Id
- 463
- Belt Power Max
- 79.1 hp59.0 kW
- Max Power
- 67.39 hp50.3 kW
- Max Pull
- 19035 lbs8634 kg