
Allis ChalmersModel A
Allis Chalmers HD7
Crawler
- power
- Not recorded
- displacement
- 213 ci
- Cylinders
- 3
- Forward gears
- 4
Head to head · Agricultural

Crawler
Agricultural
How they compare
HD7 is in the 18th percentile; 995 is in the 18th · 1,083 models
HD7 is in the 8th percentile; 995 is in the 8th · 1,130 models
HD7 is in the 3rd percentile; 995 is in the 11th · 972 models
HD7 is in the 65th percentile; 995 is in the 51st · 971 models
Full comparison
| Spec | Allis Chalmers HD7 | Oliver 995 | Difference |
|---|---|---|---|
| Manufacturer | Allis Chalmers | Oliver | — |
| Model | HD7 | 995 | — |
| Category | Crawler, Agricultural | Agricultural | — |
| Spec | Allis Chalmers HD7 | Oliver 995 | Difference |
|---|---|---|---|
| Manufacturer | General Motors | General Motors | Same |
| Model | Mar-71 | Mar-71 | Same |
| Rated RPM | 1,500RPM | 2,000RPM | ▲ 995+500 RPM · +33% |
| Cylinders | 3 | 3 | Same |
| Displacement | 213ci | 213ci | Same |
| Bore | 4.3in | 4.3in | Same |
| Stroke | 5in | 5in | Same |
| Spec | Allis Chalmers HD7 | Oliver 995 | Difference |
|---|---|---|---|
| Type | Sliding Gear | Torque Converter | — |
| Spec | Allis Chalmers HD7 | Oliver 995 | Difference |
|---|---|---|---|
| Length | 128in | 79.9in | ▲ HD7+48.1 in · +60% |
| Width | 81in | Not recorded | — |
| Height | 69in | Not recorded | — |
| Operating Weight | 14,000lb | 11,200lb | ▲ HD7+2,800 lb · +25% |
| Spec | Allis Chalmers HD7 | Oliver 995 | Difference |
|---|---|---|---|
| Chassis Type | Crawler | Not recorded | — |
| Drive Type | Track | Not recorded | — |
| Spec | Allis Chalmers HD7 | Oliver 995 | Difference |
|---|---|---|---|
| Starter Type | Electric | Electric | Same |
| Spec | Allis Chalmers HD7 | Oliver 995 | Difference |
|---|---|---|---|
| Coolant | 5.8gal | Not recorded | — |
Category context