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

Row Crop
How they compare
D21 Series I is in the 27th percentile; DX 110 is in the 26th · 1,206 models
D21 Series I is in the 72nd percentile; DX 110 is in the 37th · 1,409 models
D21 Series I is in the 50th percentile; DX 110 is in the 50th · 1,417 models
D21 Series I is in the 16th percentile; DX 110 is in the 33rd · 1,200 models
Full comparison
| Spec | Allis Chalmers D21 Series I | Deutz-Fahr DX 110 | Difference |
|---|---|---|---|
| Manufacturer | Allis Chalmers | Deutz-Fahr | — |
| Model | D21 Series I | DX 110 | — |
| Category | Row Crop | Row Crop | Same |
| Spec | Allis Chalmers D21 Series I | Deutz-Fahr DX 110 | Difference |
|---|---|---|---|
| Manufacturer | Allis Chalmers | Deutz | — |
| Model | 3400 | F6L 912 | — |
| Power Output | 103hp | 102hp | ▲ D21 Series I+1 hp · <1% |
| Rated RPM | 2,200RPM | 2,300RPM | ▲ DX 110+100 RPM · +5% |
| Cylinders | 6 | 6 | Same |
| Displacement | 426ci | 345ci | ▲ D21 Series I+81 ci · +23% |
| Bore | 4.3in | 3.9in | ▲ D21 Series I+0.4 in · +10% |
| Stroke | 5in | 4.7in | ▲ D21 Series I+0.3 in · +6% |
| Spec | Allis Chalmers D21 Series I | Deutz-Fahr DX 110 | Difference |
|---|---|---|---|
| Type | Sliding gear with dry disc clutch | Manual | — |
| Spec | Allis Chalmers D21 Series I | Deutz-Fahr DX 110 | Difference |
|---|---|---|---|
| Length | 161in | 176in | ▲ DX 110+15 in · +9% |
| Width | 91.6in | Not recorded | — |
| Height | 107in | 107in | Same |
| Operating Weight | 9,500lb | 10,297lb | ▲ DX 110+797 lb · +8% |
| Spec | Allis Chalmers D21 Series I | Deutz-Fahr DX 110 | Difference |
|---|---|---|---|
| Steering Type | Power | Power | Same |
| Spec | Allis Chalmers D21 Series I | Deutz-Fahr DX 110 | Difference |
|---|---|---|---|
| Type | Independent | Not recorded | — |
| Speed 1 | 1,000rpm | Not recorded | — |
| Spec | Allis Chalmers D21 Series I | Deutz-Fahr DX 110 | Difference |
|---|---|---|---|
| Hitch Type | Three-Point Hitch | Not recorded | — |
| Hitch Category | III/II | II | — |
| Hitch Position | Rear | Rear | Same |
| Spec | Allis Chalmers D21 Series I | Deutz-Fahr DX 110 | Difference |
|---|---|---|---|
| Chassis Type | 4x2 2WD | 4x2 | — |
| Drive Type | 2WD | 2WD | Same |
| Steering Type | Power | Power | Same |
| Brake Type | Band actuated disc | Not recorded | — |
| Spec | Allis Chalmers D21 Series I | Deutz-Fahr DX 110 | Difference |
|---|---|---|---|
| Starter Type | Electric | Not recorded | — |
| Spec | Allis Chalmers D21 Series I | Deutz-Fahr DX 110 | Difference |
|---|---|---|---|
| Coolant | 5.3gal | Not recorded | — |
| Spec | Allis Chalmers D21 Series I | Deutz-Fahr DX 110 | Difference |
|---|---|---|---|
| Type | Open | Not recorded | — |
Category context