
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; 7220 is in the 46th · 142 models
HD11 is in the 58th percentile; 7220 is in the 44th · 191 models
HD11 is in the 50th percentile; 7220 is in the 50th · 192 models
HD11 is in the 34th percentile; 7220 is in the 69th · 179 models
Full comparison
| Spec | Allis Chalmers HD11 | John Deere 7220 | Difference |
|---|---|---|---|
| Manufacturer | Allis Chalmers | John Deere | — |
| Model | HD11 | 7220 | — |
| Category | Crawler, Agricultural | Row Crop | — |
| Spec | Allis Chalmers HD11 | John Deere 7220 | Difference |
|---|---|---|---|
| Manufacturer | Allis Chalmers | John Deere | — |
| Model | HD-516 | PowerTech 6068HF475 | — |
| Power Output | 110hp | 110hp | Same |
| Rated RPM | 1,800RPM | 2,300RPM | ▲ 7220+500 RPM · +28% |
| Cylinders | 6 | 6 | Same |
| Displacement | 516ci | 359ci | ▲ HD11+157 ci · +44% |
| Bore | 4.5in | 4.2in | ▲ HD11+0.3 in · +7% |
| Stroke | 5.6in | 5in | ▲ HD11+0.5 in · +10% |
| Spec | Allis Chalmers HD11 | John Deere 7220 | Difference |
|---|---|---|---|
| Type | Sliding Gear | Partial power shift | — |
| Spec | Allis Chalmers HD11 | John Deere 7220 | Difference |
|---|---|---|---|
| Length | 154in | 202in | ▲ 7220+48 in · +31% |
| Width | 40in | 95.7in | ▲ 7220+55.7 in · +139% |
| Height | 84in | 112in | ▲ 7220+28 in · +33% |
| Operating Weight | 21,000lb | 11,839lb | ▲ HD11+9,161 lb · +77% |
| Spec | Allis Chalmers HD11 | John Deere 7220 | Difference |
|---|---|---|---|
| System Type | Not recorded | Closed-center PFC | — |
| Steering Type | Not recorded | Power | — |
| Spec | Allis Chalmers HD11 | John Deere 7220 | Difference |
|---|---|---|---|
| Type | Not recorded | Independent | — |
| Speed 1 | Not recorded | 540rpm | — |
| Speed 2 | Not recorded | 1,000rpm | — |
| Spec | Allis Chalmers HD11 | John Deere 7220 | Difference |
|---|---|---|---|
| Hitch Category | Not recorded | II | — |
| Hitch Capacity | Not recorded | 7,450lb | — |
| Spec | Allis Chalmers HD11 | John Deere 7220 | Difference |
|---|---|---|---|
| Chassis Type | Crawler | 4x2 2WD | — |
| Steering Type | Not recorded | Power | — |
| Brake Type | Contracting band | Hydraulic wet disc | — |
| Spec | Allis Chalmers HD11 | John Deere 7220 | Difference |
|---|---|---|---|
| Starter Type | Electric | Electric | Same |
| Spec | Allis Chalmers HD11 | John Deere 7220 | Difference |
|---|---|---|---|
| Coolant | 11gal | 4.1gal | ▲ HD11+6.9 gal · +168% |
| Spec | Allis Chalmers HD11 | John Deere 7220 | Difference |
|---|---|---|---|
| Type | Open operator station | ComfortGard Cab standard with air-conditioning | — |
Category context