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

Crawler

Utility
How they compare
HD11 is in the 46th percentile; Forterra 11641 is in the 46th · 142 models
HD11 is in the 58th percentile; Forterra 11641 is in the 44th · 191 models
HD11 is in the 50th percentile; Forterra 11641 is in the 50th · 192 models
HD11 is in the 34th percentile; Forterra 11641 is in the 94th · 179 models
Full comparison
| Spec | Allis Chalmers HD11 | Zetor Forterra 11641 | Difference |
|---|---|---|---|
| Manufacturer | Allis Chalmers | Zetor | — |
| Model | HD11 | Forterra 11641 | — |
| Category | Crawler, Agricultural | Utility | — |
| Spec | Allis Chalmers HD11 | Zetor Forterra 11641 | Difference |
|---|---|---|---|
| Manufacturer | Allis Chalmers | SAME | — |
| Model | HD-516 | 1006.6W | — |
| Power Output | 110hp | 110hp | Same |
| Rated RPM | 1,800RPM | 2,350RPM | ▲ Forterra 11641+550 RPM · +31% |
| Cylinders | 6 | 6 | Same |
| Displacement | 516ci | 366ci | ▲ HD11+150 ci · +41% |
| Bore | 4.5in | 4.1in | ▲ HD11+0.4 in · +10% |
| Stroke | 5.6in | 4.6in | ▲ HD11+1 in · +22% |
| Spec | Allis Chalmers HD11 | Zetor Forterra 11641 | Difference |
|---|---|---|---|
| Type | Sliding Gear | Synchronized | — |
| Spec | Allis Chalmers HD11 | Zetor Forterra 11641 | Difference |
|---|---|---|---|
| Length | 154in | 183in | ▲ Forterra 11641+29 in · +19% |
| Width | 40in | Not recorded | — |
| Height | 84in | 107in | ▲ Forterra 11641+23 in · +27% |
| Operating Weight | 21,000lb | 9,811lb | ▲ HD11+11,189 lb · +114% |
| Spec | Allis Chalmers HD11 | Zetor Forterra 11641 | Difference |
|---|---|---|---|
| Steering Type | Not recorded | Power | — |
| Spec | Allis Chalmers HD11 | Zetor Forterra 11641 | Difference |
|---|---|---|---|
| Chassis Type | Crawler | 4x4 MFWD 4WD | — |
| Drive Type | Not recorded | 4WD | — |
| Steering Type | Not recorded | Power | — |
| Brake Type | Contracting band | Not recorded | — |
| Spec | Allis Chalmers HD11 | Zetor Forterra 11641 | Difference |
|---|---|---|---|
| Starter Type | Electric | Electric | Same |
| Spec | Allis Chalmers HD11 | Zetor Forterra 11641 | Difference |
|---|---|---|---|
| Coolant | 11gal | Not recorded | — |
| Spec | Allis Chalmers HD11 | Zetor Forterra 11641 | Difference |
|---|---|---|---|
| Type | Open operator station | Not recorded | — |
Category context