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Advance-RumelyModel A
Advance-Rumely OilPull K 12/20
Utility
- power
- 40 hp
- displacement
- 452 ci
- Cylinders
- 2
- Forward gears
- 2
Head to head · Utility
Utility

Utility
How they compare
OilPull K 12/20 is in the 33rd percentile; 850 is in the 34th · 5,383 models
OilPull K 12/20 is in the 93rd percentile; 850 is in the 41st · 5,580 models
OilPull K 12/20 is in the 3rd percentile; 850 is in the 50th · 5,720 models
OilPull K 12/20 is in the 1st percentile; 850 is in the 11th · 4,941 models
Full comparison
| Spec | Advance-Rumely OilPull K 12/20 | David Brown 850 | Difference |
|---|---|---|---|
| Manufacturer | Advance-Rumely | David Brown | — |
| Model | OilPull K 12/20 | 850 | — |
| Category | Utility, Standard Tread | Utility | — |
| Spec | Advance-Rumely OilPull K 12/20 | David Brown 850 | Difference |
|---|---|---|---|
| Manufacturer | Rumley | David Brown | — |
| Model | Not recorded | 2.5L 4-cyl diesel | — |
| Power Output | 40hp | 40.1hp | ▲ 850+0.1 hp · <1% |
| Rated RPM | 560RPM | 2,000RPM | ▲ 850+1,440 RPM · +257% |
| Cylinders | 2 | 4 | ▲ 850+2 · +100% |
| Displacement | 452ci | 154ci | ▲ OilPull K 12/20+298 ci · +194% |
| Bore | 6in | 3.5in | ▲ OilPull K 12/20+2.5 in · +71% |
| Stroke | 8in | 4in | ▲ OilPull K 12/20+4 in · +100% |
| Spec | Advance-Rumely OilPull K 12/20 | David Brown 850 | Difference |
|---|---|---|---|
| Type | Gear | Unsynchronized gear | — |
| Spec | Advance-Rumely OilPull K 12/20 | David Brown 850 | Difference |
|---|---|---|---|
| Length | 132in | 114in | ▲ OilPull K 12/20+18 in · +16% |
| Width | 64in | Not recorded | — |
| Height | 75in | 51.8in | ▲ OilPull K 12/20+23.2 in · +45% |
| Operating Weight | 6,430lb | 4,094lb | ▲ OilPull K 12/20+2,336 lb · +57% |
| Spec | Advance-Rumely OilPull K 12/20 | David Brown 850 | Difference |
|---|---|---|---|
| Steering Type | Not recorded | Manual | — |
| Spec | Advance-Rumely OilPull K 12/20 | David Brown 850 | Difference |
|---|---|---|---|
| Type | Not recorded | Transmission or Live (optional) | — |
| Speed 1 | Not recorded | 540rpm | — |
| Speed 2 | Not recorded | 1,000rpm | — |
| Spec | Advance-Rumely OilPull K 12/20 | David Brown 850 | Difference |
|---|---|---|---|
| Hitch Category | Not recorded | I | — |
| Hitch Position | Not recorded | Rear | — |
| Spec | Advance-Rumely OilPull K 12/20 | David Brown 850 | Difference |
|---|---|---|---|
| Chassis Type | 4x2 | 4x2 2WD | — |
| Drive Type | 2WD | 2WD | Same |
| Steering Type | Not recorded | Manual | — |
| Brake Type | Not recorded | Differential mechanical expanding shoe | — |
| Spec | Advance-Rumely OilPull K 12/20 | David Brown 850 | Difference |
|---|---|---|---|
| Starter Type | Not recorded | Electric | — |
| Spec | Advance-Rumely OilPull K 12/20 | David Brown 850 | Difference |
|---|---|---|---|
| Coolant | Not recorded | 3.6gal | — |
| Spec | Advance-Rumely OilPull K 12/20 | David Brown 850 | Difference |
|---|---|---|---|
| Type | Not recorded | Open operator station | — |
Category context