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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

Standard Tread
How they compare
OilPull B 25/45 is in the 99th percentile; Forty is in the 84th · 1,083 models
OilPull B 25/45 is in the 3rd percentile; Forty is in the 31st · 1,130 models
OilPull B 25/45 is in the 92nd percentile; Forty is in the 63rd · 971 models
Full comparison
| Spec | Advance-Rumely OilPull B 25/45 | Caterpillar Forty | Difference |
|---|---|---|---|
| Manufacturer | Advance-Rumely | Caterpillar | — |
| Model | OilPull B 25/45 | Forty | — |
| Category | Agricultural | Standard Tread | — |
| Spec | Advance-Rumely OilPull B 25/45 | Caterpillar Forty | Difference |
|---|---|---|---|
| Manufacturer | Rumley | Caterpillar | — |
| Rated RPM | Not recorded | 850RPM | — |
| Cylinders | 2 | 4 | ▲ Forty+2 · +100% |
| Displacement | 1,884ci | 485ci | ▲ OilPull B 25/45+1,399 ci · +288% |
| Bore | 9.5in | 5in | ▲ OilPull B 25/45+4.5 in · +90% |
| Stroke | 12in | 6.5in | ▲ OilPull B 25/45+5.5 in · +85% |
| Spec | Advance-Rumely OilPull B 25/45 | Caterpillar Forty | Difference |
|---|---|---|---|
| Type | Not recorded | Gear | — |
| Spec | Advance-Rumely OilPull B 25/45 | Caterpillar Forty | Difference |
|---|---|---|---|
| Width | Not recorded | 8.3in | — |
| Operating Weight | 25,000lb | 13,625lb | ▲ OilPull B 25/45+11,375 lb · +83% |
Category context