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Allis ChalmersModel A
Allis Chalmers CA
Row Crop
- power
- 23.1 hp
- displacement
- 125 ci
- Cylinders
- 4
- Forward gears
- 4
Head to head · Row Crop
Row Crop

Utility
How they compare
CA is in the 2nd percentile; MT225 is in the 2nd · 1,206 models
CA is in the 2nd percentile; MT225 is in the 1st · 1,409 models
CA is in the 17th percentile; MT225 is in the 2nd · 1,417 models
CA is in the 2nd percentile; MT225 is in the 1st · 1,350 models
Full comparison
| Spec | Allis Chalmers CA | Challenger MT225 | Difference |
|---|---|---|---|
| Manufacturer | Allis Chalmers | Challenger | — |
| Model | CA | MT225 | — |
| Category | Row Crop | Utility | — |
| Spec | Allis Chalmers CA | Challenger MT225 | Difference |
|---|---|---|---|
| Manufacturer | Allis Chalmers | Iseki | — |
| Model | Allis Chalmers | Not recorded | — |
| Power Output | 23.1hp | 23.3hp | ▲ MT225+0.2 hp · <1% |
| Rated RPM | 1,650RPM | 2,800RPM | ▲ MT225+1,150 RPM · +70% |
| Cylinders | 4 | 3 | ▲ CA+1 · +33% |
| Displacement | 125ci | 68.5ci | ▲ CA+56.5 ci · +82% |
| Bore | 3.4in | 3.1in | ▲ CA+0.3 in · +10% |
| Stroke | 3.5in | 3.1in | ▲ CA+0.4 in · +13% |
| Spec | Allis Chalmers CA | Challenger MT225 | Difference |
|---|---|---|---|
| Type | Non-synchronized gear | Hydrostatic | — |
| Spec | Allis Chalmers CA | Challenger MT225 | Difference |
|---|---|---|---|
| Length | 125in | 105in | ▲ CA+20 in · +19% |
| Width | Not recorded | 41in | — |
| Height | 72.8in | 75.2in | ▲ MT225+2.4 in · +3% |
| Operating Weight | 2,835lb | 1,672lb | ▲ CA+1,163 lb · +70% |
| Spec | Allis Chalmers CA | Challenger MT225 | Difference |
|---|---|---|---|
| System Type | Not recorded | Open Center | — |
| Steering Type | Manual | Power steering | — |
| Spec | Allis Chalmers CA | Challenger MT225 | Difference |
|---|---|---|---|
| Type | Live | Not recorded | — |
| Speed 1 | 538rpm | Not recorded | — |
| Spec | Allis Chalmers CA | Challenger MT225 | Difference |
|---|---|---|---|
| Hitch Type | Allis Snap Coupler | Category I | — |
| Hitch Category | Not recorded | 1 | — |
| Hitch Position | Not recorded | Rear | — |
| Hitch Capacity | Not recorded | 694lb | — |
| Spec | Allis Chalmers CA | Challenger MT225 | Difference |
|---|---|---|---|
| Chassis Type | 4x2 2WD | 4x4 MFWD 4WD | — |
| Drive Type | 2WD | 4WD | — |
| Steering Type | Manual | Power steering | — |
| Brake Type | Differential mechanical contracting band | Not recorded | — |
| Spec | Allis Chalmers CA | Challenger MT225 | Difference |
|---|---|---|---|
| Starter Type | Electric | Electric Starter | — |
| Spec | Allis Chalmers CA | Challenger MT225 | Difference |
|---|---|---|---|
| Coolant | 2.3gal | Not recorded | — |
| Spec | Allis Chalmers CA | Challenger MT225 | Difference |
|---|---|---|---|
| Type | Open | Open | Same |
Category context