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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

Utility
How they compare
6A is in the 90th percentile; 55KA is in the 92nd · 5,580 models
6A is in the 93rd percentile; 55KA is in the 3rd · 5,720 models
6A is in the 11th percentile; 55KA is in the 35th · 4,941 models
6A is in the 60th percentile; 55KA is in the 82nd · 5,107 models
Full comparison
| Spec | Advance-Rumely 6A | Chamberlain 55KA | Difference |
|---|---|---|---|
| Manufacturer | Advance-Rumely | Chamberlain | — |
| Model | 6A | 55KA | — |
| Category | Utility, Standard Tread | Utility, Standard Tread | Same |
| Spec | Advance-Rumely 6A | Chamberlain 55KA | Difference |
|---|---|---|---|
| Manufacturer | Waukesha | Chamberlain | — |
| Rated RPM | 1,365RPM | 1,200RPM | ▲ 6A+165 RPM · +14% |
| Cylinders | 6 | 2 | ▲ 6A+4 · +200% |
| Displacement | 404ci | 430ci | ▲ 55KA+26 ci · +6% |
| Bore | 4.3in | 6.6in | ▲ 55KA+2.3 in · +53% |
| Stroke | 4.8in | 6.3in | ▲ 55KA+1.5 in · +31% |
| Spec | Advance-Rumely 6A | Chamberlain 55KA | Difference |
|---|---|---|---|
| Type | Gear | Gear | Same |
| Spec | Advance-Rumely 6A | Chamberlain 55KA | Difference |
|---|---|---|---|
| Length | 163in | 135in | ▲ 6A+28 in · +21% |
| Width | 70in | 68in | ▲ 6A+2 in · +3% |
| Height | 74in | 90in | ▲ 55KA+16 in · +22% |
| Operating Weight | 6,370lb | 9,150lb | ▲ 55KA+2,780 lb · +44% |
| Spec | Advance-Rumely 6A | Chamberlain 55KA | Difference |
|---|---|---|---|
| Steering Type | Manual | Mechanical - Recirculating ball | — |
| Spec | Advance-Rumely 6A | Chamberlain 55KA | Difference |
|---|---|---|---|
| Chassis Type | 4x2 2WD | 4x2 2WD | Same |
| Drive Type | 2WD | 2WD | Same |
| Steering Type | Manual | Mechanical - Recirculating ball | — |
| Spec | Advance-Rumely 6A | Chamberlain 55KA | Difference |
|---|---|---|---|
| Starter Type | Not recorded | Electric Starter | — |
| Spec | Advance-Rumely 6A | Chamberlain 55KA | Difference |
|---|---|---|---|
| Coolant | 9.5gal | Not recorded | — |
Category context