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

Crawler
Row Crop
How they compare
HD11 is in the 46th percentile; 8150 is in the 46th · 142 models
HD11 is in the 58th percentile; 8150 is in the 45th · 191 models
HD11 is in the 50th percentile; 8150 is in the 50th · 192 models
HD11 is in the 34th percentile; 8150 is in the 99th · 179 models
Full comparison
| Spec | Allis Chalmers HD11 | Valmet 8150 | Difference |
|---|---|---|---|
| Manufacturer | Allis Chalmers | Valmet | — |
| Model | HD11 | 8150 | — |
| Category | Crawler, Agricultural | Row Crop | — |
| Spec | Allis Chalmers HD11 | Valmet 8150 | Difference |
|---|---|---|---|
| Manufacturer | Allis Chalmers | Valmet | — |
| Model | HD-516 | Six-cylinder turbocharged (Serial No. E 1 12 75) | — |
| Power Output | 110hp | 109hp | ▲ HD11+1 hp · <1% |
| Rated RPM | 1,800RPM | 2,200RPM | ▲ 8150+400 RPM · +22% |
| Cylinders | 6 | 6 | Same |
| Displacement | 516ci | 403ci | ▲ HD11+113 ci · +28% |
| Bore | 4.5in | 4.3in | ▲ HD11+0.2 in · +5% |
| Stroke | 5.6in | 4.7in | ▲ HD11+0.8 in · +17% |
| Spec | Allis Chalmers HD11 | Valmet 8150 | Difference |
|---|---|---|---|
| Type | Sliding Gear | Three-speed power shift | — |
| Spec | Allis Chalmers HD11 | Valmet 8150 | Difference |
|---|---|---|---|
| Length | 154in | 191in | ▲ 8150+37 in · +24% |
| Width | 40in | 85.8in | ▲ 8150+45.8 in · +115% |
| Height | 84in | 110in | ▲ 8150+26 in · +31% |
| Operating Weight | 21,000lb | 10,970lb | ▲ HD11+10,030 lb · +91% |
| Spec | Allis Chalmers HD11 | Valmet 8150 | Difference |
|---|---|---|---|
| Steering Type | Not recorded | Power | — |
| Spec | Allis Chalmers HD11 | Valmet 8150 | Difference |
|---|---|---|---|
| Front Tire Size | Not recorded | Two 16.9R28;**; 12 (80 psi) | — |
| Rear Tire Size | Not recorded | Two 20.8R38;**; 12 (80 psi) | — |
| Spec | Allis Chalmers HD11 | Valmet 8150 | Difference |
|---|---|---|---|
| Hitch Type | Not recorded | Category III | — |
| Hitch Category | Not recorded | Category 3 | — |
| Hitch Position | Not recorded | Rear | — |
| Spec | Allis Chalmers HD11 | Valmet 8150 | Difference |
|---|---|---|---|
| Chassis Type | Crawler | 4x4 MFWD 4WD | — |
| Drive Type | Not recorded | 4WD | — |
| Steering Type | Not recorded | Power | — |
| Brake Type | Contracting band | Multiple wet disc hydraulically operated | — |
| Spec | Allis Chalmers HD11 | Valmet 8150 | Difference |
|---|---|---|---|
| Starter Type | Electric | Electric | Same |
| Spec | Allis Chalmers HD11 | Valmet 8150 | Difference |
|---|---|---|---|
| Coolant | 11gal | Not recorded | — |
| Spec | Allis Chalmers HD11 | Valmet 8150 | Difference |
|---|---|---|---|
| Type | Open operator station | Cab | — |
Category context