
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; 5140 Maxxum is in the 46th · 142 models
HD11 is in the 58th percentile; 5140 Maxxum is in the 44th · 191 models
HD11 is in the 50th percentile; 5140 Maxxum is in the 50th · 192 models
HD11 is in the 34th percentile; 5140 Maxxum is in the 69th · 179 models
Full comparison
| Spec | Allis Chalmers HD11 | CaseIH 5140 Maxxum | Difference |
|---|---|---|---|
| Manufacturer | Allis Chalmers | CaseIH | — |
| Model | HD11 | 5140 Maxxum | — |
| Category | Crawler, Agricultural | Utility | — |
| Spec | Allis Chalmers HD11 | CaseIH 5140 Maxxum | Difference |
|---|---|---|---|
| Manufacturer | Allis Chalmers | CDC | — |
| Model | HD-516 | 6T-590 | — |
| Power Output | 110hp | 109hp | ▲ HD11+1 hp · <1% |
| Rated RPM | 1,800RPM | 2,200RPM | ▲ 5140 Maxxum+400 RPM · +22% |
| Cylinders | 6 | 6 | Same |
| Displacement | 516ci | 359ci | ▲ HD11+157 ci · +44% |
| Bore | 4.5in | 4in | ▲ HD11+0.5 in · +13% |
| Stroke | 5.6in | 4.7in | ▲ HD11+0.8 in · +17% |
| Spec | Allis Chalmers HD11 | CaseIH 5140 Maxxum | Difference |
|---|---|---|---|
| Type | Sliding Gear | Fully Synchronized | — |
| Spec | Allis Chalmers HD11 | CaseIH 5140 Maxxum | Difference |
|---|---|---|---|
| Length | 154in | 171in | ▲ 5140 Maxxum+17 in · +11% |
| Width | 40in | 86.8in | ▲ 5140 Maxxum+46.8 in · +117% |
| Height | 84in | 108in | ▲ 5140 Maxxum+24 in · +29% |
| Operating Weight | 21,000lb | 9,810lb | ▲ HD11+11,190 lb · +114% |
| Spec | Allis Chalmers HD11 | CaseIH 5140 Maxxum | Difference |
|---|---|---|---|
| System Type | Not recorded | Closed center pressure flow compensated | — |
| Steering Type | Not recorded | Power | — |
| Spec | Allis Chalmers HD11 | CaseIH 5140 Maxxum | Difference |
|---|---|---|---|
| Type | Not recorded | Independent with hydraulic wet disc clutch | — |
| Speed 1 | Not recorded | 540rpm | — |
| Speed 2 | Not recorded | 1,000rpm | — |
| Spec | Allis Chalmers HD11 | CaseIH 5140 Maxxum | Difference |
|---|---|---|---|
| Hitch Category | Not recorded | II | — |
| Hitch Position | Not recorded | Rear | — |
| Spec | Allis Chalmers HD11 | CaseIH 5140 Maxxum | Difference |
|---|---|---|---|
| Chassis Type | Crawler | 4x2 2WD | — |
| Drive Type | Not recorded | 2WD | — |
| Steering Type | Not recorded | Power | — |
| Brake Type | Contracting band | Wet Disc | — |
| Spec | Allis Chalmers HD11 | CaseIH 5140 Maxxum | Difference |
|---|---|---|---|
| Starter Type | Electric | Electric | Same |
| Spec | Allis Chalmers HD11 | CaseIH 5140 Maxxum | Difference |
|---|---|---|---|
| Coolant | 11gal | 5.5gal | ▲ HD11+5.5 gal · +100% |
| Spec | Allis Chalmers HD11 | CaseIH 5140 Maxxum | Difference |
|---|---|---|---|
| Type | Open operator station | Two-post ROPS or Cab (optional) | — |
Category context