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Advance-RumelyModel A
Advance-Rumely 6A
Utility
- power
- Not recorded
- displacement
- 404 ci
- Cylinders
- 6
- Forward gears
- 6
Head to head · Utility
Utility

Crawler
How they compare
6A is in the 90th percentile; HD6 is in the 86th · 5,580 models
6A is in the 93rd percentile; HD6 is in the 50th · 5,720 models
6A is in the 11th percentile; HD6 is in the 6th · 4,941 models
6A is in the 60th percentile; HD6 is in the 92nd · 5,107 models
Full comparison
| Spec | Advance-Rumely 6A | Allis Chalmers HD6 | Difference |
|---|---|---|---|
| Manufacturer | Advance-Rumely | Allis Chalmers | — |
| Model | 6A | HD6 | — |
| Category | Utility, Standard Tread | Crawler, Agricultural | — |
| Spec | Advance-Rumely 6A | Allis Chalmers HD6 | Difference |
|---|---|---|---|
| Manufacturer | Waukesha | Allis-Chalmers | — |
| Model | Not recorded | HD-344 | — |
| Rated RPM | 1,365RPM | 1,800RPM | ▲ HD6+435 RPM · +32% |
| Cylinders | 6 | 4 | ▲ 6A+2 · +50% |
| Displacement | 404ci | 344ci | ▲ 6A+60 ci · +17% |
| Bore | 4.3in | 4.4in | ▲ HD6+0.1 in · +2% |
| Stroke | 4.8in | 5.6in | ▲ HD6+0.8 in · +17% |
| Spec | Advance-Rumely 6A | Allis Chalmers HD6 | Difference |
|---|---|---|---|
| Type | Gear | Sliding Gear | — |
| Spec | Advance-Rumely 6A | Allis Chalmers HD6 | Difference |
|---|---|---|---|
| Length | 163in | 127in | ▲ 6A+36 in · +28% |
| Width | 70in | 78.5in | ▲ HD6+8.5 in · +12% |
| Height | 74in | 66in | ▲ 6A+8 in · +12% |
| Operating Weight | 6,370lb | 13,400lb | ▲ HD6+7,030 lb · +110% |
| Spec | Advance-Rumely 6A | Allis Chalmers HD6 | Difference |
|---|---|---|---|
| Steering Type | Manual | Not recorded | — |
| Spec | Advance-Rumely 6A | Allis Chalmers HD6 | Difference |
|---|---|---|---|
| Chassis Type | 4x2 2WD | Crawler | — |
| Drive Type | 2WD | Tracks | — |
| Steering Type | Manual | Not recorded | — |
| Spec | Advance-Rumely 6A | Allis Chalmers HD6 | Difference |
|---|---|---|---|
| Starter Type | Not recorded | Electric | — |
| Spec | Advance-Rumely 6A | Allis Chalmers HD6 | Difference |
|---|---|---|---|
| Coolant | 9.5gal | 3.8gal | ▲ 6A+5.7 gal · +150% |
| Spec | Advance-Rumely 6A | Allis Chalmers HD6 | Difference |
|---|---|---|---|
| Type | Not recorded | Open operator station | — |
Category context