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ChamberlainModel A
Chamberlain 40KA
Utility
- power
- 48.5 hp
- displacement
- 368 ci
- Cylinders
- 2
- Forward gears
- 9
Head to head · Utility
Utility

Utility
How they compare
40KA is in the 88th percentile; 55KA is in the 92nd · 5,580 models
40KA is in the 3rd percentile; 55KA is in the 3rd · 5,720 models
40KA is in the 35th percentile; 55KA is in the 35th · 4,941 models
40KA is in the 79th percentile; 55KA is in the 82nd · 5,107 models
Full comparison
| Spec | Chamberlain 40KA | Chamberlain 55KA | Difference |
|---|---|---|---|
| Manufacturer | Chamberlain | Chamberlain | Same |
| Model | 40KA | 55KA | — |
| Category | Utility, Standard Tread | Utility, Standard Tread | Same |
| Spec | Chamberlain 40KA | Chamberlain 55KA | Difference |
|---|---|---|---|
| Manufacturer | Chamberlain | Chamberlain | Same |
| Power Output | 48.5hp | Not recorded | — |
| Rated RPM | 1,200RPM | 1,200RPM | Same |
| Cylinders | 2 | 2 | Same |
| Displacement | 368ci | 430ci | ▲ 55KA+62 ci · +17% |
| Bore | 6.1in | 6.6in | ▲ 55KA+0.5 in · +8% |
| Stroke | 6.3in | 6.3in | Same |
| Spec | Chamberlain 40KA | Chamberlain 55KA | Difference |
|---|---|---|---|
| Type | Sliding gear | Gear | — |
| Spec | Chamberlain 40KA | Chamberlain 55KA | Difference |
|---|---|---|---|
| Length | 135in | 135in | Same |
| Width | 68in | 68in | Same |
| Height | 90in | 90in | Same |
| Operating Weight | 8,500lb | 9,150lb | ▲ 55KA+650 lb · +8% |
| Spec | Chamberlain 40KA | Chamberlain 55KA | Difference |
|---|---|---|---|
| Steering Type | Mechanical - Recirculating ball | Mechanical - Recirculating ball | Same |
| Spec | Chamberlain 40KA | Chamberlain 55KA | Difference |
|---|---|---|---|
| Chassis Type | 4x2 | 4x2 2WD | — |
| Drive Type | 2WD | 2WD | Same |
| Steering Type | Mechanical - Recirculating ball | Mechanical - Recirculating ball | Same |
| Spec | Chamberlain 40KA | Chamberlain 55KA | Difference |
|---|---|---|---|
| Starter Type | Electric | Electric Starter | — |
Category context