
Allis ChalmersModel A
Allis Chalmers 25-40 E
Utility
- power
- Not recorded
- displacement
- 563 ci
- Cylinders
- 4
- Forward gears
- 2
Head to head · Utility

Utility

Utility
How they compare
25-40 E is in the 94th percentile; HD3 is in the 46th · 5,580 models
25-40 E is in the 50th percentile; HD3 is in the 50th · 5,720 models
25-40 E is in the 1st percentile; HD3 is in the 23rd · 4,941 models
25-40 E is in the 67th percentile; HD3 is in the 73rd · 5,107 models
Full comparison
| Spec | Allis Chalmers 25-40 E | Allis Chalmers HD3 | Difference |
|---|---|---|---|
| Manufacturer | Allis Chalmers | Allis Chalmers | Same |
| Model | 25-40 E | HD3 | — |
| Category | Utility, Standard Tread | Utility | — |
| Spec | Allis Chalmers 25-40 E | Allis Chalmers HD3 | Difference |
|---|---|---|---|
| Manufacturer | Allis Chalmers | Allis Chalmers | Same |
| Rated RPM | 1,000RPM | 1,650RPM | ▲ HD3+650 RPM · +65% |
| Cylinders | 4 | 4 | Same |
| Displacement | 563ci | 175ci | ▲ 25-40 E+388 ci · +222% |
| Bore | 5.3in | 3.6in | ▲ 25-40 E+1.7 in · +47% |
| Stroke | 6.5in | 4.4in | ▲ 25-40 E+2.1 in · +48% |
| Spec | Allis Chalmers 25-40 E | Allis Chalmers HD3 | Difference |
|---|---|---|---|
| Type | Gear | Two-speed power shift, mechanical shuttle | — |
| Spec | Allis Chalmers 25-40 E | Allis Chalmers HD3 | Difference |
|---|---|---|---|
| Length | 152in | 109in | ▲ 25-40 E+43 in · +39% |
| Width | 76in | Not recorded | — |
| Height | 65in | 48.3in | ▲ 25-40 E+16.7 in · +35% |
| Operating Weight | 7,000lb | 7,645lb | ▲ HD3+645 lb · +9% |
| Spec | Allis Chalmers 25-40 E | Allis Chalmers HD3 | Difference |
|---|---|---|---|
| System Type | Not recorded | Open Center | — |
| Steering Type | Manual | Mechanical clutches | — |
| Spec | Allis Chalmers 25-40 E | Allis Chalmers HD3 | Difference |
|---|---|---|---|
| Chassis Type | 4x2 2WD | Not recorded | — |
| Drive Type | 2WD | Not recorded | — |
| Steering Type | Manual | Mechanical clutches | — |
| Spec | Allis Chalmers 25-40 E | Allis Chalmers HD3 | Difference |
|---|---|---|---|
| Starter Type | Not recorded | Electric | — |
| Spec | Allis Chalmers 25-40 E | Allis Chalmers HD3 | Difference |
|---|---|---|---|
| Coolant | 10gal | 2.3gal | ▲ 25-40 E+7.7 gal · +335% |
Category context