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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; BTD-20 is in the 96th · 5,580 models
6A is in the 93rd percentile; BTD-20 is in the 93rd · 5,720 models
6A is in the 11th percentile; BTD-20 is in the 11th · 4,941 models
6A is in the 60th percentile; BTD-20 is in the 97th · 5,107 models
Full comparison
| Spec | Advance-Rumely 6A | International Harvester BTD-20 | Difference |
|---|---|---|---|
| Manufacturer | Advance-Rumely | International Harvester | — |
| Model | 6A | BTD-20 | — |
| Category | Utility, Standard Tread | Crawler | — |
| Spec | Advance-Rumely 6A | International Harvester BTD-20 | Difference |
|---|---|---|---|
| Manufacturer | Waukesha | Rolls-Royce | — |
| Model | Not recorded | C6N | — |
| Rated RPM | 1,365RPM | 1,550RPM | ▲ BTD-20+185 RPM · +14% |
| Cylinders | 6 | 6 | Same |
| Displacement | 404ci | 743ci | ▲ BTD-20+339 ci · +84% |
| Bore | 4.3in | 5.1in | ▲ BTD-20+0.8 in · +19% |
| Stroke | 4.8in | 6in | ▲ BTD-20+1.2 in · +25% |
| Spec | Advance-Rumely 6A | International Harvester BTD-20 | Difference |
|---|---|---|---|
| Type | Gear | Gear | Same |
| Spec | Advance-Rumely 6A | International Harvester BTD-20 | Difference |
|---|---|---|---|
| Length | 163in | 165in | ▲ BTD-20+2 in · +1% |
| Width | 70in | 94in | ▲ BTD-20+24 in · +34% |
| Height | 74in | 89.7in | ▲ BTD-20+15.7 in · +21% |
| Operating Weight | 6,370lb | 30,300lb | ▲ BTD-20+23,930 lb · +376% |
| Spec | Advance-Rumely 6A | International Harvester BTD-20 | Difference |
|---|---|---|---|
| Steering Type | Manual | Not recorded | — |
| Spec | Advance-Rumely 6A | International Harvester BTD-20 | Difference |
|---|---|---|---|
| Chassis Type | 4x2 2WD | Not recorded | — |
| Drive Type | 2WD | Not recorded | — |
| Steering Type | Manual | Not recorded | — |
| Spec | Advance-Rumely 6A | International Harvester BTD-20 | Difference |
|---|---|---|---|
| Starter Type | Not recorded | Electric Starter | — |
| Spec | Advance-Rumely 6A | International Harvester BTD-20 | Difference |
|---|---|---|---|
| Coolant | 9.5gal | 10.8gal | ▲ BTD-20+1.3 gal · +14% |
Category context