
Allis ChalmersModel A
Allis Chalmers HD11
Crawler
- power
- 110 hp
- displacement
- 516 ci
- Cylinders
- 6
- Forward gears
- 6
Head to head · Agricultural

Crawler
Agricultural
How they compare
HD11 is in the 50th percentile; HiTech T191 is in the 50th · 1,028 models
HD11 is in the 89th percentile; HiTech T191 is in the 40th · 1,083 models
HD11 is in the 74th percentile; HiTech T191 is in the 31st · 1,130 models
HD11 is in the 11th percentile; HiTech T191 is in the 94th · 972 models
Full comparison
| Spec | Allis Chalmers HD11 | Valtra HiTech T191 | Difference |
|---|---|---|---|
| Manufacturer | Allis Chalmers | Valtra | — |
| Model | HD11 | HiTech T191 | — |
| Category | Crawler, Agricultural | Agricultural | — |
| Spec | Allis Chalmers HD11 | Valtra HiTech T191 | Difference |
|---|---|---|---|
| Manufacturer | Allis Chalmers | Not recorded | — |
| Model | HD-516 | 44CVA | — |
| Power Output | 110hp | 110hp | Same |
| Rated RPM | 1,800RPM | 2,200RPM | ▲ HiTech T191+400 RPM · +22% |
| Cylinders | 6 | 4 | ▲ HD11+2 · +50% |
| Displacement | 516ci | 269ci | ▲ HD11+247 ci · +92% |
| Bore | 4.5in | Not recorded | — |
| Stroke | 5.6in | Not recorded | — |
| Spec | Allis Chalmers HD11 | Valtra HiTech T191 | Difference |
|---|---|---|---|
| Type | Sliding Gear | Power Shuttle | — |
| Spec | Allis Chalmers HD11 | Valtra HiTech T191 | Difference |
|---|---|---|---|
| Length | 154in | 178in | ▲ HiTech T191+24 in · +16% |
| Width | 40in | 90in | ▲ HiTech T191+50 in · +125% |
| Height | 84in | 108in | ▲ HiTech T191+24 in · +29% |
| Operating Weight | 21,000lb | 10,252lb | ▲ HD11+10,748 lb · +105% |
| Spec | Allis Chalmers HD11 | Valtra HiTech T191 | Difference |
|---|---|---|---|
| Hitch Type | Not recorded | CAT III | — |
| Hitch Category | Not recorded | Category 3 | — |
| Hitch Position | Not recorded | Rear | — |
| Hitch Capacity | Not recorded | 16,976lb | — |
| Spec | Allis Chalmers HD11 | Valtra HiTech T191 | Difference |
|---|---|---|---|
| Chassis Type | Crawler | Not recorded | — |
| Brake Type | Contracting band | Not recorded | — |
| Spec | Allis Chalmers HD11 | Valtra HiTech T191 | Difference |
|---|---|---|---|
| Starter Type | Electric | Not recorded | — |
| Spec | Allis Chalmers HD11 | Valtra HiTech T191 | Difference |
|---|---|---|---|
| Coolant | 11gal | Not recorded | — |
| Spec | Allis Chalmers HD11 | Valtra HiTech T191 | Difference |
|---|---|---|---|
| Type | Open operator station | Not recorded | — |
Category context