
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; 6600 is in the 46th · 142 models
HD11 is in the 58th percentile; 6600 is in the 44th · 191 models
HD11 is in the 50th percentile; 6600 is in the 50th · 192 models
HD11 is in the 34th percentile; 6600 is in the 91st · 179 models
Full comparison
| Spec | Allis Chalmers HD11 | John Deere 6600 | Difference |
|---|---|---|---|
| Manufacturer | Allis Chalmers | John Deere | — |
| Model | HD11 | 6600 | — |
| Category | Crawler, Agricultural | Row Crop | — |
| Spec | Allis Chalmers HD11 | John Deere 6600 | Difference |
|---|---|---|---|
| Manufacturer | Allis Chalmers | John Deere | — |
| Model | HD-516 | 6068 | — |
| Power Output | 110hp | 110hp | Same |
| Rated RPM | 1,800RPM | 2,100RPM | ▲ 6600+300 RPM · +17% |
| Cylinders | 6 | 6 | Same |
| Displacement | 516ci | 359ci | ▲ HD11+157 ci · +44% |
| Bore | 4.5in | 4.2in | ▲ HD11+0.3 in · +7% |
| Stroke | 5.6in | 4.3in | ▲ HD11+1.2 in · +28% |
| Spec | Allis Chalmers HD11 | John Deere 6600 | Difference |
|---|---|---|---|
| Type | Sliding Gear | Partial power shift | — |
| Spec | Allis Chalmers HD11 | John Deere 6600 | Difference |
|---|---|---|---|
| Length | 154in | 177in | ▲ 6600+23 in · +15% |
| Width | 40in | 90.9in | ▲ 6600+50.9 in · +127% |
| Height | 84in | 111in | ▲ 6600+27 in · +32% |
| Operating Weight | 21,000lb | 10,250lb | ▲ HD11+10,750 lb · +105% |
| Spec | Allis Chalmers HD11 | John Deere 6600 | Difference |
|---|---|---|---|
| System Type | Not recorded | Closed center | — |
| Steering Type | Not recorded | Power | — |
| Spec | Allis Chalmers HD11 | John Deere 6600 | Difference |
|---|---|---|---|
| Type | Not recorded | Independent | — |
| Speed 1 | Not recorded | 540rpm | — |
| Speed 2 | Not recorded | 1,000rpm | — |
| Speed 3 | Not recorded | 540rpm | — |
| Spec | Allis Chalmers HD11 | John Deere 6600 | Difference |
|---|---|---|---|
| Hitch Category | Not recorded | III/IIIN | — |
| Spec | Allis Chalmers HD11 | John Deere 6600 | Difference |
|---|---|---|---|
| Chassis Type | Crawler | 4x4 MFWD 4WD | — |
| Drive Type | Not recorded | MFWD 4WD | — |
| Steering Type | Not recorded | Power | — |
| Brake Type | Contracting band | Wet disc | — |
| Spec | Allis Chalmers HD11 | John Deere 6600 | Difference |
|---|---|---|---|
| Starter Type | Electric | Electric | Same |
| Spec | Allis Chalmers HD11 | John Deere 6600 | Difference |
|---|---|---|---|
| Coolant | 11gal | Not recorded | — |
| Spec | Allis Chalmers HD11 | John Deere 6600 | Difference |
|---|---|---|---|
| Type | Open operator station | Cab (standard) with air-conditioning | — |
Category context