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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
Row Crop

Utility
How they compare
D15 is in the 3rd percentile; 3820 is in the 3rd · 1,206 models
D15 is in the 4th percentile; 3820 is in the 1st · 1,409 models
D15 is in the 17th percentile; 3820 is in the 17th · 1,417 models
D15 is in the 16th percentile; 3820 is in the 27th · 1,200 models
Full comparison
| Spec | Allis Chalmers D15 | Branson 3820 | Difference |
|---|---|---|---|
| Manufacturer | Allis Chalmers | Branson | — |
| Model | D15 | 3820 | — |
| Category | Row Crop | Utility | — |
| Spec | Allis Chalmers D15 | Branson 3820 | Difference |
|---|---|---|---|
| Manufacturer | Allis Chalmers | Kukje | — |
| Power Output | 37.4hp | 38hp | ▲ 3820+0.6 hp · +2% |
| Rated RPM | 2,000RPM | 2,600RPM | ▲ 3820+600 RPM · +30% |
| Cylinders | 4 | 4 | Same |
| Displacement | 149ci | 110ci | ▲ D15+39 ci · +35% |
| Bore | 3.5in | 3.3in | ▲ D15+0.2 in · +6% |
| Stroke | 3.9in | 3.7in | ▲ D15+0.2 in · +5% |
| Spec | Allis Chalmers D15 | Branson 3820 | Difference |
|---|---|---|---|
| Type | Partial power shift | Synchromesh | — |
| Spec | Allis Chalmers D15 | Branson 3820 | Difference |
|---|---|---|---|
| Length | 130in | 124in | ▲ D15+6 in · +5% |
| Width | 67in | 61in | ▲ D15+6 in · +10% |
| Height | 80.2in | 96in | ▲ 3820+15.8 in · +20% |
| Operating Weight | 4,036lb | 3,770lb | ▲ D15+266 lb · +7% |
| Spec | Allis Chalmers D15 | Branson 3820 | Difference |
|---|---|---|---|
| System Type | Not recorded | Open Center | — |
| Steering Type | Power-assisted | Hydrostatic Power | — |
| Spec | Allis Chalmers D15 | Branson 3820 | Difference |
|---|---|---|---|
| Hitch Type | Snap-Coupler | Type I Rear | — |
| Hitch Category | II/I | Not recorded | — |
| Hitch Position | Rear | Rear | Same |
| Spec | Allis Chalmers D15 | Branson 3820 | Difference |
|---|---|---|---|
| Chassis Type | 4x2 2WD | 4X4 MFWD 4WD | — |
| Drive Type | 2WD | 4WD | — |
| Steering Type | Power-assisted | Hydrostatic Power | — |
| Spec | Allis Chalmers D15 | Branson 3820 | Difference |
|---|---|---|---|
| Battery Voltage | Not recorded | 12V | — |
| Starter Type | Electric | Electric | Same |
| Spec | Allis Chalmers D15 | Branson 3820 | Difference |
|---|---|---|---|
| Coolant | 2.8gal | 2.5gal | ▲ D15+0.3 gal · +12% |
| Spec | Allis Chalmers D15 | Branson 3820 | Difference |
|---|---|---|---|
| Type | Open | Not recorded | — |
Category context