Power
Power specifications| Engine | no record |
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| PTO | no record |
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| Drawbar | 45 hp claimed |
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| Drawbar, tested | 57.3 hp |
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| Belt pulley | 60 hp claimed |
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| Belt pulley, tested | 68.7 hp |
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| Listed power | 66 hp belt basis |
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Engines
Engines fitted to the Allis Chalmers HD7| General Motors 3.5L 3-cyl dieselDiesel · 3 cyl | 213 ci |
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Engine details
- General Motors 3.5L 3-cyl diesel
- Bore × stroke
- 4.25 in × 5 in
- Rated speed
- 1,500 rpm
- Compression
- 16.0:1
- Cooling
- liquid-cooled 2-cycle vertical I-head
- Notes
- blower diesel
Transmissions
Transmissions for the Allis Chalmers HD7| 4-speed sliding gearsliding gear | 4F / 1R |
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Weight
Weight specifications| Weight | 14,000 lb operating |
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Dimensions
Dimensions specifications| Wheelbase | no record |
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| Length | 128 in |
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| Width | 81 in |
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| Height | 69 in |
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Capacities
Capacities specifications| Fuel tank | 31 gal |
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Hydraulics
Hydraulics specifications| Pump flow | no record |
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Hitch
Hitch specifications| Rear lift capacity | no record |
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Chassis
Chassis specifications| Drive | tracks |
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| Cab | Open operator station |
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Tracks
Tracks specifications| Track width | 16 in |
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| Length on ground | 67 in |
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| Ground contact area | 2,144 sq in |
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| Ground pressure | 6 psi |
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Production
Production specifications| Total built | 1,803 |
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| Factories | Springfield, Illinois, USA |
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| Built by | Allis Chalmers |
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