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Allis ChalmersModel A
Allis Chalmers D15
Row Crop
- power
- 37.4 hp
- displacement
- 149 ci
- Cylinders
- 4
- Forward gears
- 8
Head to head · Row Crop
Allis Chalmers D15 vs RK Tractors RK37
Image not recorded
RK TractorsModel B
RK Tractors RK37
Utility
- power
- 37.4 hp
- displacement
- 100 ci
- Cylinders
- 3
- Forward gears
- 12
Allis ChalmersAllis Chalmers D15
vs
RK TractorsRK Tractors RK37
How they compare
Headline specs vs. the whole Row Crop
Engine Power
= Effectively tiedD1537.4 hp
RK3737.4 hp
Median Row Crop Tractor138 hp
D15 is in the 3rd percentile; RK37 is in the 3rd · 1,206 models
Engine Displacement
▲ D15 higher · +49 ci (+49%)D15149 ci
RK37100 ci
Median Row Crop Tractor391 ci
D15 is in the 4th percentile; RK37 is in the 1st · 1,409 models
Cylinders
▲ D15 higher · +1 (+33%)D154
RK373
Median Row Crop Tractor6
D15 is in the 17th percentile; RK37 is in the 2nd · 1,417 models
Forward Gears
▲ RK37 higher · +4 (+50%)D158
RK3712
Median Row Crop Tractor16
D15 is in the 16th percentile; RK37 is in the 27th · 1,200 models
D15 (A)RK37 (B)Median Row Crop Tractor
Full comparison
Every spec, side by side
General Information
| Spec | Allis Chalmers D15 | RK Tractors RK37 | Difference |
|---|---|---|---|
| Manufacturer | Allis Chalmers | RK Tractors | — |
| Model | D15 | RK37 | — |
| Category | Row Crop | Utility | — |
Engine
| Spec | Allis Chalmers D15 | RK Tractors RK37 | Difference |
|---|---|---|---|
| Manufacturer | Allis Chalmers | Yanmar | — |
| Model | Not recorded | 3TNV88-CR | — |
| Power Output | 37.4hp | 37.4hp | Same |
| Rated RPM | 2,000RPM | 3,000RPM | ▲ RK37+1,000 RPM · +50% |
| Cylinders | 4 | 3 | ▲ D15+1 · +33% |
| Displacement | 149ci | 100ci | ▲ D15+49 ci · +49% |
| Bore | 3.5in | 3.5in | Same |
| Stroke | 3.9in | 3.5in | ▲ D15+0.4 in · +11% |
Transmission
| Spec | Allis Chalmers D15 | RK Tractors RK37 | Difference |
|---|---|---|---|
| Type | Partial power shift | Syncro shuttle | — |
Dimensions & Weight
| Spec | Allis Chalmers D15 | RK Tractors RK37 | Difference |
|---|---|---|---|
| Length | 130in | 126in | ▲ D15+4 in · +3% |
| Width | 67in | 53.5in | ▲ D15+13.5 in · +25% |
| Height | 80.2in | 94.5in | ▲ RK37+14.3 in · +18% |
| Operating Weight | 4,036lb | 3,064lb | ▲ D15+972 lb · +32% |
Hydraulics
| Spec | Allis Chalmers D15 | RK Tractors RK37 | Difference |
|---|---|---|---|
| Steering Type | Power-assisted | Power | — |
Power Take-off (PTO)
| Spec | Allis Chalmers D15 | RK Tractors RK37 | Difference |
|---|---|---|---|
| Type | Not recorded | Independent | — |
| Speed 1 | Not recorded | 540rpm | — |
Hitch & Towing
| Spec | Allis Chalmers D15 | RK Tractors RK37 | Difference |
|---|---|---|---|
| Hitch Type | Snap-Coupler | Three-Point Hitch | — |
| Hitch Category | II/I | I | — |
| Hitch Position | Rear | Rear | Same |
| Hitch Capacity | Not recorded | 2,645lb | — |
Chassis & Drive
| Spec | Allis Chalmers D15 | RK Tractors RK37 | Difference |
|---|---|---|---|
| Chassis Type | 4x2 2WD | 4x4 MFWD 4WD | — |
| Drive Type | 2WD | 4WD | — |
| Steering Type | Power-assisted | Power | — |
| Brake Type | Not recorded | Wet disc | — |
Electrical
| Spec | Allis Chalmers D15 | RK Tractors RK37 | Difference |
|---|---|---|---|
| Starter Type | Electric | Electric | Same |
Capacities
| Spec | Allis Chalmers D15 | RK Tractors RK37 | Difference |
|---|---|---|---|
| Coolant | 2.8gal | Not recorded | — |
Operator Station
| Spec | Allis Chalmers D15 | RK Tractors RK37 | Difference |
|---|---|---|---|
| Type | Open | Two-post ROPS | — |
Category context
Both models against the field
Engine Power
median 138 hpA · 3rd percentile (37.4 hp)B · 3rd percentile (37.4 hp)
Engine Displacement
median 391 ciA · 4th percentile (149 ci)B · 1st percentile (100 ci)
Cylinders
median 6A · 17th percentile (4)B · 2nd percentile (3)
Forward Gears
median 16A · 16th percentile (8)B · 27th percentile (12)
Operating Weight
median 12,307 lbA · 6th percentile (4,036 lb)B · 2nd percentile (3,064 lb)
A · D15B · RK37Median Row Crop Tractor