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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
Advance-Rumely OilPull K 12/20 vs Hart-Parr 40
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Hart-ParrModel B
Hart-Parr 40
Utility
- power
- 40.7 hp
- displacement
- 618 ci
- Cylinders
- 4
- Forward gears
- 2
Advance-RumelyAdvance-Rumely OilPull K 12/20
vs
Hart-ParrHart-Parr 40
How they compare
Headline specs vs. the whole Utility
Engine Power
▲ 40 higher · +0.7 hp (+2%)OilPull K 12/2040 hp
4040.7 hp
Median Utility Tractor55 hp
OilPull K 12/20 is in the 33rd percentile; 40 is in the 35th · 5,383 models
Engine Displacement
▲ 40 higher · +166 ci (+37%)OilPull K 12/20452 ci
40618 ci
Median Utility Tractor183 ci
OilPull K 12/20 is in the 93rd percentile; 40 is in the 95th · 5,580 models
Cylinders
▲ 40 higher · +2 (+100%)OilPull K 12/202
404
Median Utility Tractor4
OilPull K 12/20 is in the 3rd percentile; 40 is in the 50th · 5,720 models
Forward Gears
= Effectively tiedOilPull K 12/202
402
Median Utility Tractor12
OilPull K 12/20 is in the 1st percentile; 40 is in the 1st · 4,941 models
OilPull K 12/20 (A)40 (B)Median Utility Tractor
Full comparison
Every spec, side by side
General Information
| Spec | Advance-Rumely OilPull K 12/20 | Hart-Parr 40 | Difference |
|---|---|---|---|
| Manufacturer | Advance-Rumely | Hart-Parr | — |
| Model | OilPull K 12/20 | 40 | — |
| Category | Utility, Standard Tread | Utility, Standard Tread | Same |
Engine
| Spec | Advance-Rumely OilPull K 12/20 | Hart-Parr 40 | Difference |
|---|---|---|---|
| Manufacturer | Rumley | Hart-Parr | — |
| Power Output | 40hp | 40.7hp | ▲ 40+0.7 hp · +2% |
| Rated RPM | 560RPM | 802RPM | ▲ 40+242 RPM · +43% |
| Cylinders | 2 | 4 | ▲ 40+2 · +100% |
| Displacement | 452ci | 618ci | ▲ 40+166 ci · +37% |
| Bore | 6in | 5.5in | ▲ OilPull K 12/20+0.5 in · +9% |
| Stroke | 8in | 6.5in | ▲ OilPull K 12/20+1.5 in · +23% |
Transmission
| Spec | Advance-Rumely OilPull K 12/20 | Hart-Parr 40 | Difference |
|---|---|---|---|
| Type | Gear | Gear | Same |
Dimensions & Weight
| Spec | Advance-Rumely OilPull K 12/20 | Hart-Parr 40 | Difference |
|---|---|---|---|
| Length | 132in | 140in | ▲ 40+8 in · +6% |
| Width | 64in | 96in | ▲ 40+32 in · +50% |
| Height | 75in | 67in | ▲ OilPull K 12/20+8 in · +12% |
| Operating Weight | 6,430lb | 6,300lb | ▲ OilPull K 12/20+130 lb · +2% |
Hydraulics
| Spec | Advance-Rumely OilPull K 12/20 | Hart-Parr 40 | Difference |
|---|---|---|---|
| Steering Type | Not recorded | Manual | — |
Chassis & Drive
| Spec | Advance-Rumely OilPull K 12/20 | Hart-Parr 40 | Difference |
|---|---|---|---|
| Chassis Type | 4x2 | 4x2 | Same |
| Drive Type | 2WD | 2WD | Same |
| Steering Type | Not recorded | Manual | — |
Capacities
| Spec | Advance-Rumely OilPull K 12/20 | Hart-Parr 40 | Difference |
|---|---|---|---|
| Coolant | Not recorded | 28.8gal | — |
Category context
Both models against the field
Engine Power
median 55 hpA · 33rd percentile (40 hp)B · 35th percentile (40.7 hp)
Engine Displacement
median 183 ciA · 93rd percentile (452 ci)B · 95th percentile (618 ci)
Cylinders
median 4A · 3rd percentile (2)B · 50th percentile (4)
Forward Gears
median 12A · 1st percentile (2)B · 1st percentile (2)
Operating Weight
median 5,303 lbA · 61st percentile (6,430 lb)B · 60th percentile (6,300 lb)
A · OilPull K 12/20B · 40Median Utility Tractor