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Allis ChalmersModel A
Allis Chalmers HD14
Crawler
- power
- Not recorded
- displacement
- 426 ci
- Cylinders
- 6
- Forward gears
- 6
Head to head · Crawler
Crawler

Crawler
How they compare
HD14 is in the 48th percentile; HD6 is in the 43rd · 191 models
HD14 is in the 50th percentile; HD6 is in the 33rd · 192 models
HD14 is in the 34th percentile; HD6 is in the 25th · 179 models
HD14 is in the 65th percentile; HD6 is in the 42nd · 173 models
Full comparison
| Spec | Allis Chalmers HD14 | Allis Chalmers HD6 | Difference |
|---|---|---|---|
| Manufacturer | Allis Chalmers | Allis Chalmers | Same |
| Model | HD14 | HD6 | — |
| Category | Crawler | Crawler, Agricultural | — |
| Spec | Allis Chalmers HD14 | Allis Chalmers HD6 | Difference |
|---|---|---|---|
| Manufacturer | General Motors | Allis-Chalmers | — |
| Model | Jun-71 | HD-344 | — |
| Rated RPM | 1,500RPM | 1,800RPM | ▲ HD6+300 RPM · +20% |
| Cylinders | 6 | 4 | ▲ HD14+2 · +50% |
| Displacement | 426ci | 344ci | ▲ HD14+82 ci · +24% |
| Bore | 4.3in | 4.4in | ▲ HD6+0.1 in · +2% |
| Stroke | 5in | 5.6in | ▲ HD6+0.6 in · +12% |
| Spec | Allis Chalmers HD14 | Allis Chalmers HD6 | Difference |
|---|---|---|---|
| Type | Gear-driven | Sliding Gear | — |
| Spec | Allis Chalmers HD14 | Allis Chalmers HD6 | Difference |
|---|---|---|---|
| Length | 165in | 127in | ▲ HD14+38 in · +30% |
| Width | 92in | 78.5in | ▲ HD14+13.5 in · +17% |
| Height | 80in | 66in | ▲ HD14+14 in · +21% |
| Operating Weight | 28,750lb | 13,400lb | ▲ HD14+15,350 lb · +115% |
| Spec | Allis Chalmers HD14 | Allis Chalmers HD6 | Difference |
|---|---|---|---|
| Chassis Type | Crawler | Crawler | Same |
| Drive Type | Track | Tracks | — |
| Spec | Allis Chalmers HD14 | Allis Chalmers HD6 | Difference |
|---|---|---|---|
| Starter Type | Electric | Electric | Same |
| Spec | Allis Chalmers HD14 | Allis Chalmers HD6 | Difference |
|---|---|---|---|
| Coolant | 12gal | 3.8gal | ▲ HD14+8.2 gal · +216% |
| Spec | Allis Chalmers HD14 | Allis Chalmers HD6 | Difference |
|---|---|---|---|
| Type | Not recorded | Open operator station | — |
Category context