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

Crawler

How they compare
HD11 is in the 50th percentile; 399 is in the 51st · 1,028 models
HD11 is in the 89th percentile; 399 is in the 59th · 1,083 models
HD11 is in the 74th percentile; 399 is in the 74th · 1,130 models
HD11 is in the 11th percentile; 399 is in the 33rd · 972 models
Full comparison
| Spec | Allis Chalmers HD11 | IMT 399 | Difference |
|---|---|---|---|
| Manufacturer | Allis Chalmers | IMT | — |
| Model | HD11 | 399 | — |
| Category | Crawler, Agricultural | Agricultural | — |
| Spec | Allis Chalmers HD11 | IMT 399 | Difference |
|---|---|---|---|
| Manufacturer | Allis Chalmers | Not recorded | — |
| Model | HD-516 | 1006.6 | — |
| Power Output | 110hp | 111hp | ▲ 399+1 hp · <1% |
| Rated RPM | 1,800RPM | 2,250RPM | ▲ 399+450 RPM · +25% |
| Cylinders | 6 | 6 | Same |
| Displacement | 516ci | 366ci | ▲ HD11+150 ci · +41% |
| Bore | 4.5in | Not recorded | — |
| Stroke | 5.6in | Not recorded | — |
| Spec | Allis Chalmers HD11 | IMT 399 | Difference |
|---|---|---|---|
| Type | Sliding Gear | Synchromesh | — |
| Spec | Allis Chalmers HD11 | IMT 399 | Difference |
|---|---|---|---|
| Length | 154in | 172in | ▲ 399+18 in · +12% |
| Width | 40in | 78in | ▲ 399+38 in · +95% |
| Height | 84in | 104in | ▲ 399+20 in · +24% |
| Operating Weight | 21,000lb | 7,313lb | ▲ HD11+13,687 lb · +187% |
| Spec | Allis Chalmers HD11 | IMT 399 | Difference |
|---|---|---|---|
| Front Tire Size | Not recorded | 14.9-24 | — |
| Rear Tire Size | Not recorded | 18.4-34 | — |
| Spec | Allis Chalmers HD11 | IMT 399 | Difference |
|---|---|---|---|
| Hitch Type | Not recorded | Three-Point Hitch | — |
| Hitch Category | Not recorded | 2 | — |
| Hitch Position | Not recorded | Rear | — |
| Hitch Capacity | Not recorded | 8,109lb | — |
| Spec | Allis Chalmers HD11 | IMT 399 | Difference |
|---|---|---|---|
| Chassis Type | Crawler | Not recorded | — |
| Brake Type | Contracting band | Not recorded | — |
| Spec | Allis Chalmers HD11 | IMT 399 | Difference |
|---|---|---|---|
| Starter Type | Electric | Not recorded | — |
| Spec | Allis Chalmers HD11 | IMT 399 | Difference |
|---|---|---|---|
| Coolant | 11gal | 6.7gal | ▲ HD11+4.3 gal · +64% |
| Spec | Allis Chalmers HD11 | IMT 399 | Difference |
|---|---|---|---|
| Type | Open operator station | Not recorded | — |
Category context