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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 Montana 3940
MontanaModel B
Montana 3940
Utility
- power
- 39 hp
- displacement
- 110 ci
- Cylinders
- 4
- Forward gears
- Not recorded
Advance-RumelyAdvance-Rumely OilPull K 12/20
vs
MontanaMontana 3940
How they compare
Headline specs vs. the whole Utility
Engine Power
▲ OilPull K 12/20 higher · +1 hp (+3%)OilPull K 12/2040 hp
394039 hp
Median Utility Tractor55 hp
OilPull K 12/20 is in the 33rd percentile; 3940 is in the 32nd · 5,383 models
Engine Displacement
▲ OilPull K 12/20 higher · +342 ci (+311%)OilPull K 12/20452 ci
3940110 ci
Median Utility Tractor183 ci
OilPull K 12/20 is in the 93rd percentile; 3940 is in the 26th · 5,580 models
Cylinders
▲ 3940 higher · +2 (+100%)OilPull K 12/202
39404
Median Utility Tractor4
OilPull K 12/20 is in the 3rd percentile; 3940 is in the 50th · 5,720 models
Operating Weight
▲ OilPull K 12/20 higher · +3,475 lb (+118%)OilPull K 12/206,430 lb
39402,955 lb
Median Utility Tractor5,303 lb
OilPull K 12/20 is in the 61st percentile; 3940 is in the 22nd · 5,107 models
OilPull K 12/20 (A)3940 (B)Median Utility Tractor
Full comparison
Every spec, side by side
General Information
| Spec | Advance-Rumely OilPull K 12/20 | Montana 3940 | Difference |
|---|---|---|---|
| Manufacturer | Advance-Rumely | Montana | — |
| Model | OilPull K 12/20 | 3940 | — |
| Category | Utility, Standard Tread | Utility | — |
Engine
| Spec | Advance-Rumely OilPull K 12/20 | Montana 3940 | Difference |
|---|---|---|---|
| Manufacturer | Rumley | Mitsubishi | — |
| Model | Not recorded | S4L2 | — |
| Power Output | 40hp | 39hp | ▲ OilPull K 12/20+1 hp · +3% |
| Rated RPM | 560RPM | 2,700RPM | ▲ 3940+2,140 RPM · +382% |
| Cylinders | 2 | 4 | ▲ 3940+2 · +100% |
| Displacement | 452ci | 110ci | ▲ OilPull K 12/20+342 ci · +311% |
| Bore | 6in | 3.1in | ▲ OilPull K 12/20+2.9 in · +94% |
| Stroke | 8in | 3.6in | ▲ OilPull K 12/20+4.4 in · +122% |
Transmission
| Spec | Advance-Rumely OilPull K 12/20 | Montana 3940 | Difference |
|---|---|---|---|
| Type | Gear | Hydrostatic | — |
Dimensions & Weight
| Spec | Advance-Rumely OilPull K 12/20 | Montana 3940 | Difference |
|---|---|---|---|
| Length | 132in | 132in | Same |
| Width | 64in | Not recorded | — |
| Height | 75in | 87.5in | ▲ 3940+12.5 in · +17% |
| Wheelbase | Not recorded | 66.2in | — |
| Operating Weight | 6,430lb | 2,955lb | ▲ OilPull K 12/20+3,475 lb · +118% |
Hydraulics
| Spec | Advance-Rumely OilPull K 12/20 | Montana 3940 | Difference |
|---|---|---|---|
| Steering Type | Not recorded | Power | — |
Hitch & Towing
| Spec | Advance-Rumely OilPull K 12/20 | Montana 3940 | Difference |
|---|---|---|---|
| Hitch Category | Not recorded | I | — |
Chassis & Drive
| Spec | Advance-Rumely OilPull K 12/20 | Montana 3940 | Difference |
|---|---|---|---|
| Chassis Type | 4x2 | 4x4 MFWD 4WD | — |
| Drive Type | 2WD | 4WD | — |
| Steering Type | Not recorded | Power | — |
Electrical
| Spec | Advance-Rumely OilPull K 12/20 | Montana 3940 | Difference |
|---|---|---|---|
| Starter Type | Not recorded | Electric | — |
Category context
Both models against the field
Engine Power
median 55 hpA · 33rd percentile (40 hp)B · 32nd percentile (39 hp)
Engine Displacement
median 183 ciA · 93rd percentile (452 ci)B · 26th percentile (110 ci)
Cylinders
median 4A · 3rd percentile (2)B · 50th percentile (4)
Operating Weight
median 5,303 lbA · 61st percentile (6,430 lb)B · 22nd percentile (2,955 lb)
Length
median 137 inA · 43rd percentile (132 in)B · 43rd percentile (132 in)
A · OilPull K 12/20B · 3940Median Utility Tractor