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Years in Production / 1955–1966
Allis-Chalmers
HD11
Explore the specifications, hardware, and original references for the Allis-Chalmers HD11.

No photo
110hp
Source index power
Tracks
Drive
1955–1966
Production years
Allis-Chalmers
Manufacturer
HD11 / 01
At a glance
Production
Agricultural Crawler tractor
Built in Springfield, Illinois, USA
- Manufacturer
- Allis Chalmers
Mechanical
Contracting band brakes
Open operator station.
- Drive
- crawler
Electrical
- Ground
- positive
- Batteries
- 2
- Battery Volts
- 12
HD11 / 02
Under the hood
Engine Detail
Allis-Chalmers HD-516
diesel
6-cylinder
liquid-cooled vertical I-head
- Displacement
- 516 ci8.5 L
- Bore Stroke
- 4.4375x5.5625 inches113 x 141 mm
- Power Net
- 99 hp73.8 kW
- Power Gross
- 110 hp82.0 kW
- Air Cleaner
- oil bath
- Compression Ratio
- 15.0:1
- Rated Rpm
- 1800
- Starter Volts
- 24
- Oil Capacity
- 17 qts16.1 L
- Coolant Capacity
- 44 qts41.6 L
- Fuel Type
- diesel
- Cylinders
- 6
- Cooling
- liquid-cooled vertical I-head
Engine Options
Allis-Chalmers 8.5L 6-cyl diesel
- Fuel Tank
- 60 gal227.1 L
HD11 / 03
Gears & controls
Transmission
- Transmission Type
- sliding gear
- Gears
- 6 forward and 3 reverse
HD11 / 04
Size. Stance. Footprint.
Tires And Tracks
16-inch tracks
- Weight
- 21000 to 22200 pounds
Tires And Tracks
- Width
- 16 inches40 cm
- Length On Ground
- 85.75 inches217 cm
- Area On Ground
- 2744 in²1.8 m²
- Hd11e Width
- 16 inches40 cm
- Hd11e Length On Ground
- 96.25 inches244 cm
- Hd11e Area On Ground
- 3080 in²2.0 m²
See it in action
Videos
Watch Allis-Chalmers HD11 videos from their original YouTube creators.
HD11 / 06
Tests (NTTL)
Nebraska Tractor Test 581
Diesel 6-speed crawlerJuly 9 - 13, 1956
Drawbar performance
Gear 1 used for pull test.
- Id
- 581
- Belt Power Max
- 89.75 hp66.9 kW
- Belt Fuel Use Max
- 6.9 gal/hour26.1 l/hour
- Max Power
- 73.8 hp55.0 kW
- Max Pull
- 20468 lbs9284 kg