
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; 1025 MIG is in the 35th · 1,206 models
D21 Series II is in the 72nd percentile; 1025 MIG is in the 30th · 1,409 models
D21 Series II is in the 50th percentile; 1025 MIG is in the 17th · 1,417 models
D21 Series II is in the 16th percentile; 1025 MIG is in the 50th · 1,200 models
Full comparison
| Spec | Allis Chalmers D21 Series II | Belarus 1025 MIG | Difference |
|---|---|---|---|
| Manufacturer | Allis Chalmers | Belarus | — |
| Model | D21 Series II | 1025 MIG | — |
| Category | Row Crop | Utility | — |
| Spec | Allis Chalmers D21 Series II | Belarus 1025 MIG | Difference |
|---|---|---|---|
| Manufacturer | Allis Chalmers | Belarus | — |
| Model | 3500 | D-242c | — |
| Power Output | 121hp | 115hp | ▲ D21 Series II+6 hp · +5% |
| Rated RPM | 2,200RPM | 2,200RPM | Same |
| Cylinders | 6 | 4 | ▲ D21 Series II+2 · +50% |
| Displacement | 426ci | 290ci | ▲ D21 Series II+136 ci · +47% |
| Bore | 4.3in | 4.3in | Same |
| Stroke | 5in | 4.9in | ▲ D21 Series II+0.1 in · +2% |
| Spec | Allis Chalmers D21 Series II | Belarus 1025 MIG | Difference |
|---|---|---|---|
| Type | Sliding gear with dry disc clutch | Synchromesh | — |
| Spec | Allis Chalmers D21 Series II | Belarus 1025 MIG | Difference |
|---|---|---|---|
| Length | 160in | 166in | ▲ 1025 MIG+6 in · +4% |
| Width | 91.3in | 78in | ▲ D21 Series II+13.3 in · +17% |
| Height | 106in | 114in | ▲ 1025 MIG+8 in · +8% |
| Operating Weight | 9,502lb | 9,469lb | ▲ D21 Series II+33 lb · <1% |
| Spec | Allis Chalmers D21 Series II | Belarus 1025 MIG | Difference |
|---|---|---|---|
| System Type | Not recorded | Open center | — |
| Steering Type | Power | Power | Same |
| Spec | Allis Chalmers D21 Series II | Belarus 1025 MIG | Difference |
|---|---|---|---|
| Type | Independent | Not recorded | — |
| Speed 1 | 1,000rpm | Not recorded | — |
| Spec | Allis Chalmers D21 Series II | Belarus 1025 MIG | Difference |
|---|---|---|---|
| Hitch Type | Three-Point Hitch | Rear Type II | — |
| Hitch Category | III/II | Not recorded | — |
| Hitch Position | Rear | Rear | Same |
| Spec | Allis Chalmers D21 Series II | Belarus 1025 MIG | Difference |
|---|---|---|---|
| Chassis Type | 4x2 2WD | Not recorded | — |
| Drive Type | 2WD | Not recorded | — |
| Steering Type | Power | Power | Same |
| Brake Type | Band actuated disc | Not recorded | — |
| Spec | Allis Chalmers D21 Series II | Belarus 1025 MIG | Difference |
|---|---|---|---|
| Starter Type | Electric | Electric | Same |
| Spec | Allis Chalmers D21 Series II | Belarus 1025 MIG | Difference |
|---|---|---|---|
| Coolant | 7.8gal | 5.3gal | ▲ D21 Series II+2.5 gal · +47% |
| Spec | Allis Chalmers D21 Series II | Belarus 1025 MIG | Difference |
|---|---|---|---|
| Type | Open | Not recorded | — |
Category context