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

Crawler

Crawler
How they compare
HD11 is in the 46th percentile; TD-20 200 is in the 48th · 142 models
HD11 is in the 58th percentile; TD-20 200 is in the 73rd · 191 models
HD11 is in the 50th percentile; TD-20 200 is in the 50th · 192 models
HD11 is in the 34th percentile; TD-20 200 is in the 34th · 179 models
Full comparison
| Spec | Allis Chalmers HD11 | International Harvester TD-20 200 | Difference |
|---|---|---|---|
| Manufacturer | Allis Chalmers | International Harvester | — |
| Model | HD11 | TD-20 200 | — |
| Category | Crawler, Agricultural | Crawler | — |
| Spec | Allis Chalmers HD11 | International Harvester TD-20 200 | Difference |
|---|---|---|---|
| Manufacturer | Allis Chalmers | International Harvester | — |
| Model | HD-516 | D-691 | — |
| Power Output | 110hp | 134hp | ▲ TD-20 200+24 hp · +22% |
| Rated RPM | 1,800RPM | 1,550RPM | ▲ HD11+250 RPM · +16% |
| Cylinders | 6 | 6 | Same |
| Displacement | 516ci | 691ci | ▲ TD-20 200+175 ci · +34% |
| Bore | 4.5in | 4.8in | ▲ TD-20 200+0.3 in · +7% |
| Stroke | 5.6in | 6.5in | ▲ TD-20 200+1 in · +18% |
| Spec | Allis Chalmers HD11 | International Harvester TD-20 200 | Difference |
|---|---|---|---|
| Type | Sliding Gear | Gear | — |
| Spec | Allis Chalmers HD11 | International Harvester TD-20 200 | Difference |
|---|---|---|---|
| Length | 154in | Not recorded | — |
| Width | 40in | 22in | ▲ HD11+18 in · +82% |
| Height | 84in | Not recorded | — |
| Operating Weight | 21,000lb | 32,485lb | ▲ TD-20 200+11,485 lb · +55% |
| Spec | Allis Chalmers HD11 | International Harvester TD-20 200 | Difference |
|---|---|---|---|
| Chassis Type | Crawler | Not recorded | — |
| Brake Type | Contracting band | Not recorded | — |
| Spec | Allis Chalmers HD11 | International Harvester TD-20 200 | Difference |
|---|---|---|---|
| Starter Type | Electric | Gasoline-start | — |
| Spec | Allis Chalmers HD11 | International Harvester TD-20 200 | Difference |
|---|---|---|---|
| Coolant | 11gal | Not recorded | — |
| Spec | Allis Chalmers HD11 | International Harvester TD-20 200 | Difference |
|---|---|---|---|
| Type | Open operator station | Not recorded | — |
Category context