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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
Advance-Rumely OilPull B 25/45 vs Allis Chalmers HD20
Allis ChalmersModel B
Allis Chalmers HD20
Industrial
- power
- Not recorded
- displacement
- 660 ci
- Cylinders
- 6
- Forward gears
- 2
Advance-RumelyAdvance-Rumely OilPull B 25/45
vs
Allis ChalmersAllis Chalmers HD20
How they compare
Headline specs vs. the whole Agricultural
Engine Displacement
▲ OilPull B 25/45 higher · +1,224 ci (+185%)OilPull B 25/451,884 ci
HD20660 ci
Median Agricultural Tractor336 ci
OilPull B 25/45 is in the 99th percentile; HD20 is in the 94th · 1,083 models
Cylinders
▲ HD20 higher · +4 (+200%)OilPull B 25/452
HD206
Median Agricultural Tractor5.5
OilPull B 25/45 is in the 3rd percentile; HD20 is in the 74th · 1,130 models
Operating Weight
▲ HD20 higher · +16,000 lb (+64%)OilPull B 25/4525,000 lb
HD2041,000 lb
Median Agricultural Tractor10,914 lb
OilPull B 25/45 is in the 92nd percentile; HD20 is in the 97th · 971 models
OilPull B 25/45 (A)HD20 (B)Median Agricultural Tractor
Full comparison
Every spec, side by side
General Information
| Spec | Advance-Rumely OilPull B 25/45 | Allis Chalmers HD20 | Difference |
|---|---|---|---|
| Manufacturer | Advance-Rumely | Allis Chalmers | — |
| Model | OilPull B 25/45 | HD20 | — |
| Category | Agricultural | Industrial | — |
Engine
| Spec | Advance-Rumely OilPull B 25/45 | Allis Chalmers HD20 | Difference |
|---|---|---|---|
| Manufacturer | Rumley | General Motors | — |
| Rated RPM | Not recorded | 1,700RPM | — |
| Cylinders | 2 | 6 | ▲ HD20+4 · +200% |
| Displacement | 1,884ci | 660ci | ▲ OilPull B 25/45+1,224 ci · +185% |
| Bore | 9.5in | 5in | ▲ OilPull B 25/45+4.5 in · +90% |
| Stroke | 12in | 5.6in | ▲ OilPull B 25/45+6.4 in · +114% |
Transmission
| Spec | Advance-Rumely OilPull B 25/45 | Allis Chalmers HD20 | Difference |
|---|---|---|---|
| Type | Not recorded | Torque converter | — |
Dimensions & Weight
| Spec | Advance-Rumely OilPull B 25/45 | Allis Chalmers HD20 | Difference |
|---|---|---|---|
| Length | Not recorded | 191in | — |
| Height | Not recorded | 95in | — |
| Operating Weight | 25,000lb | 41,000lb | ▲ HD20+16,000 lb · +64% |
Electrical
| Spec | Advance-Rumely OilPull B 25/45 | Allis Chalmers HD20 | Difference |
|---|---|---|---|
| Starter Type | Not recorded | 24 volts | — |
Capacities
| Spec | Advance-Rumely OilPull B 25/45 | Allis Chalmers HD20 | Difference |
|---|---|---|---|
| Coolant | Not recorded | 15gal | — |
Category context
Both models against the field
Engine Displacement
median 336 ciA · 99th percentile (1,884 ci)B · 94th percentile (660 ci)
Cylinders
median 5.5A · 3rd percentile (2)B · 74th percentile (6)
Operating Weight
median 10,914 lbA · 92nd percentile (25,000 lb)B · 97th percentile (41,000 lb)
A · OilPull B 25/45B · HD20Median Agricultural Tractor