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Advance-RumelyModel A
Advance-Rumely OilPull B 25/45
Agricultural
- power
- Not recorded
- displacement
- 1,884 ci
- Cylinders
- 2
- Forward gears
- Not recorded
Head to head · Agricultural
Agricultural

Utility
How they compare
OilPull B 25/45 is in the 99th percentile; 50 is in the 4th · 1,083 models
OilPull B 25/45 is in the 3rd percentile; 50 is in the 31st · 1,130 models
OilPull B 25/45 is in the 92nd percentile; 50 is in the 3rd · 971 models
Full comparison
| Spec | Advance-Rumely OilPull B 25/45 | Massey-Harris 50 | Difference |
|---|---|---|---|
| Manufacturer | Advance-Rumely | Massey-Harris | — |
| Model | OilPull B 25/45 | 50 | — |
| Category | Agricultural | Utility | — |
| Spec | Advance-Rumely OilPull B 25/45 | Massey-Harris 50 | Difference |
|---|---|---|---|
| Manufacturer | Rumley | Continental | — |
| Model | Not recorded | Z-134 | — |
| Rated RPM | Not recorded | 2,000RPM | — |
| Cylinders | 2 | 4 | ▲ 50+2 · +100% |
| Displacement | 1,884ci | 134ci | ▲ OilPull B 25/45+1,750 ci · +1306% |
| Bore | 9.5in | 3.3in | ▲ OilPull B 25/45+6.2 in · +188% |
| Stroke | 12in | 3.9in | ▲ OilPull B 25/45+8.1 in · +208% |
| Spec | Advance-Rumely OilPull B 25/45 | Massey-Harris 50 | Difference |
|---|---|---|---|
| Type | Not recorded | Unsynchronized gear | — |
| Spec | Advance-Rumely OilPull B 25/45 | Massey-Harris 50 | Difference |
|---|---|---|---|
| Operating Weight | 25,000lb | 3,432lb | ▲ OilPull B 25/45+21,568 lb · +628% |
| Spec | Advance-Rumely OilPull B 25/45 | Massey-Harris 50 | Difference |
|---|---|---|---|
| System Type | Not recorded | Open center | — |
| Steering Type | Not recorded | Manual | — |
| Spec | Advance-Rumely OilPull B 25/45 | Massey-Harris 50 | Difference |
|---|---|---|---|
| Type | Not recorded | 540 (1.375) | — |
| Spec | Advance-Rumely OilPull B 25/45 | Massey-Harris 50 | Difference |
|---|---|---|---|
| Front Tire Size | Not recorded | 5.50x16 | — |
| Rear Tire Size | Not recorded | 11x28 | — |
| Spec | Advance-Rumely OilPull B 25/45 | Massey-Harris 50 | Difference |
|---|---|---|---|
| Hitch Type | Not recorded | Category I | — |
| Spec | Advance-Rumely OilPull B 25/45 | Massey-Harris 50 | Difference |
|---|---|---|---|
| Steering Type | Not recorded | Manual | — |
| Spec | Advance-Rumely OilPull B 25/45 | Massey-Harris 50 | Difference |
|---|---|---|---|
| Starter Type | Not recorded | Electric | — |
| Spec | Advance-Rumely OilPull B 25/45 | Massey-Harris 50 | Difference |
|---|---|---|---|
| Coolant | Not recorded | 2.5gal | — |
Category context