
Allis ChalmersModel A
Allis Chalmers D21 Series II
Row Crop
- power
- 121 hp
- displacement
- 426 ci
- Cylinders
- 6
- Forward gears
- 8
Head to head · Row Crop

Row Crop
Utility
How they compare
D21 Series II is in the 40th percentile; M125X is in the 42nd · 1,206 models
D21 Series II is in the 72nd percentile; M125X is in the 40th · 1,409 models
D21 Series II is in the 50th percentile; M125X is in the 31st · 1,417 models
D21 Series II is in the 16th percentile; M125X is in the 50th · 1,200 models
Full comparison
| Spec | Allis Chalmers D21 Series II | Kubota M125X | Difference |
|---|---|---|---|
| Manufacturer | Allis Chalmers | Kubota | — |
| Model | D21 Series II | M125X | — |
| Category | Row Crop | Utility | — |
| Spec | Allis Chalmers D21 Series II | Kubota M125X | Difference |
|---|---|---|---|
| Manufacturer | Allis Chalmers | Kubota | — |
| Model | 3500 | F5802TE2 | — |
| Power Output | 121hp | 125hp | ▲ M125X+4 hp · +3% |
| Rated RPM | 2,200RPM | 2,400RPM | ▲ M125X+200 RPM · +9% |
| Cylinders | 6 | 5 | ▲ D21 Series II+1 · +20% |
| Displacement | 426ci | 356ci | ▲ D21 Series II+70 ci · +20% |
| Bore | 4.3in | 4.3in | Same |
| Stroke | 5in | 4.9in | ▲ D21 Series II+0.1 in · +2% |
| Spec | Allis Chalmers D21 Series II | Kubota M125X | Difference |
|---|---|---|---|
| Type | Sliding gear with dry disc clutch | Partial power shift | — |
| Spec | Allis Chalmers D21 Series II | Kubota M125X | Difference |
|---|---|---|---|
| Length | 160in | 172in | ▲ M125X+12 in · +8% |
| Width | 91.3in | 83.7in | ▲ D21 Series II+7.6 in · +9% |
| Height | 106in | 107in | ▲ M125X+1 in · <1% |
| Operating Weight | 9,502lb | 9,680lb | ▲ M125X+178 lb · +2% |
| Spec | Allis Chalmers D21 Series II | Kubota M125X | Difference |
|---|---|---|---|
| System Type | Not recorded | Open center | — |
| Steering Type | Power | Hydrostatic power steering | — |
| Spec | Allis Chalmers D21 Series II | Kubota M125X | Difference |
|---|---|---|---|
| Type | Independent | Independent | Same |
| Speed 1 | 1,000rpm | 540rpm | ▲ D21 Series II+460 rpm · +85% |
| Speed 2 | Not recorded | 1,000rpm | — |
| Spec | Allis Chalmers D21 Series II | Kubota M125X | Difference |
|---|---|---|---|
| Hitch Type | Three-Point Hitch | Three-Point Hitch | Same |
| Hitch Category | III/II | II | — |
| Hitch Position | Rear | Rear | Same |
| Hitch Capacity | Not recorded | 5,810lb | — |
| Spec | Allis Chalmers D21 Series II | Kubota M125X | Difference |
|---|---|---|---|
| Chassis Type | 4x2 2WD | 4x4 MFWD 4WD | — |
| Drive Type | 2WD | 4WD | — |
| Steering Type | Power | Hydrostatic power steering | — |
| Brake Type | Band actuated disc | Hydraulic wet disc | — |
| Spec | Allis Chalmers D21 Series II | Kubota M125X | Difference |
|---|---|---|---|
| Starter Type | Electric | Electric | Same |
| Spec | Allis Chalmers D21 Series II | Kubota M125X | Difference |
|---|---|---|---|
| Coolant | 7.8gal | 3.6gal | ▲ D21 Series II+4.2 gal · +117% |
| Spec | Allis Chalmers D21 Series II | Kubota M125X | Difference |
|---|---|---|---|
| Type | Open | Cab with heat and air-conditioning | — |
Category context