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Massey-HarrisModel A
Massey-Harris 555
Tractor
- power
- Not recorded
- displacement
- 382 ci
- Cylinders
- 4
- Forward gears
- 4
Head to head · Standard Tread
Tractor

Standard Tread
How they compare
555 is in the 51st percentile; 21-32 is in the 50th · 353 models
555 is in the 50th percentile; 21-32 is in the 50th · 367 models
555 is in the 50th percentile; 21-32 is in the 39th · 341 models
555 is in the 59th percentile; 21-32 is in the 33rd · 297 models
Full comparison
| Spec | Massey-Harris 555 | Twin City 21-32 | Difference |
|---|---|---|---|
| Manufacturer | Massey-Harris | Twin City | — |
| Model | 555 | 21-32 | — |
| Category | Not recorded | Standard Tread | — |
| Spec | Massey-Harris 555 | Twin City 21-32 | Difference |
|---|---|---|---|
| Manufacturer | Continental | Twin City | — |
| Rated RPM | 1,350RPM | 1,075RPM | ▲ 555+275 RPM · +26% |
| Cylinders | 4 | 4 | Same |
| Displacement | 382ci | 382ci | Same |
| Bore | 4.5in | 4.5in | Same |
| Stroke | 6in | 6in | Same |
| Spec | Massey-Harris 555 | Twin City 21-32 | Difference |
|---|---|---|---|
| Type | Gear | Gear | Same |
| Spec | Massey-Harris 555 | Twin City 21-32 | Difference |
|---|---|---|---|
| Length | Not recorded | 137in | — |
| Height | Not recorded | 66in | — |
| Operating Weight | 7,500lb | 5,880lb | ▲ 555+1,620 lb · +28% |
| Spec | Massey-Harris 555 | Twin City 21-32 | Difference |
|---|---|---|---|
| Speed 1 | 540rpm | Not recorded | — |
| Spec | Massey-Harris 555 | Twin City 21-32 | Difference |
|---|---|---|---|
| Coolant | Not recorded | 9gal | — |
Category context