Allis Chalmers HD7W Technical specs


Make Allis Chalmers
Model HD7W
Company country United states
Production years From 1940  Until 1950
Tractor type Agricultural Crawler tractor
Fuel diesel
Price -
Total build 1,803
Service repair manual Allis Chalmers HD7W Manual
AG front tires tracks
AG rear tires tracks
Weight 14,000 lbs or 6350 kg
Length 128 inches [325 cm]
Width 81 inches [205 cm]
Height 69 inches [175 cm]
Wheelbase -
Ground clearance -
Engine size 213 ci or 3.5 L
Number of cylinders 3 cylinders
Horsepower -
Power RPM 1500 (rpm)
Engine torque -
Engine torque RPM -
Fuel type diesel
Fuel tank capacity 31 gal or 117.3 L
Compression ratio 16.0:1
Bore stroke 4.25x5.00 inches or (108 x 127 mm)
Coolant tank capacity 23 qts or 21.8 L
Number of batteries 2
Battery voltage 6 V
Electric ground force -
Engine starter volts 12 V
Parts And Accessories Allis Chalmers HD7W Parts
Transmission type sliding gear
Transmission gears 4 forward and 1 reverse
Wheel drive crawler
Steering system -
Braking system -
Cabin type -
Drawbar claimed power 45 hp or 33.6 kW
Drawbar real power 57.31 hp or 42.7 kW
Max drawbar pull 12,171 lbs or 5520 kg
PTO claimed power -
PTO clutch system -
Rear PTO system -
Front PTO system -
PTO fuel consumption -
Hitch control system -
Rear hitch -
Rear hitch lift -



Detailed review of Allis Chalmers HD7W

Allis Chalmers produced its HD7W farm tractor model From 1940  Until 1950 in United states and more than 1,803 units were build.
Talking dimensions and weight, this model weighs 14,000 lbs or 6350 kg has 81 inches [205 cm] of width, 128 inches [325 cm] of length and 69 inches [175 cm] of height.
This tractor can fit ag tires of tracks front and tracks back .
This Allis Chalmers HD7W is powerd by a diesel engine it has 213 ci or 3.5 L 3 cylinders the fuel tank capacity is 31 gal or 117.3 L.
This machine has crawler wheel drive system,4 forward and 1 reverse transmission system.

- Allis Chalmers provided us with the latest version of its HD7W service repair manual
- Find All mechanical and electrical parts and accessories of Allis Chalmers HD7W farm-tractor here