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Allis ChalmersModel A
Allis Chalmers HD11AG Series B
Industrial
- power
- 127 hp
- displacement
- 516 ci
- Cylinders
- 6
- Forward gears
- 6
Head to head · Industrial
Allis Chalmers HD11AG Series B vs John Deere 6620 Premium
John DeereModel B
John Deere 6620 Premium
Utility
- power
- 125 hp
- displacement
- 414 ci
- Cylinders
- 6
- Forward gears
- 24
Allis ChalmersAllis Chalmers HD11AG Series B
vs
John DeereJohn Deere 6620 Premium
How they compare
Headline specs vs. the whole Industrial
Engine Displacement
▲ HD11AG Series B higher · +102 ci (+25%)HD11AG Series B516 ci
6620 Premium414 ci
Median Industrial Tractor284 ci
HD11AG Series B is in the 70th percentile; 6620 Premium is in the 62nd · 53 models
Cylinders
= Effectively tiedHD11AG Series B6
6620 Premium6
Median Industrial Tractor4
HD11AG Series B is in the 88th percentile; 6620 Premium is in the 88th · 55 models
Forward Gears
▲ 6620 Premium higher · +18 (+300%)HD11AG Series B6
6620 Premium24
Median Industrial Tractor5
HD11AG Series B is in the 65th percentile; 6620 Premium is in the 98th · 43 models
Operating Weight
▲ HD11AG Series B higher · +13,468 lb (+117%)HD11AG Series B25,000 lb
6620 Premium11,532 lb
Median Industrial Tractor9,127 lb
HD11AG Series B is in the 87th percentile; 6620 Premium is in the 56th · 49 models
HD11AG Series B (A)6620 Premium (B)Median Industrial Tractor
Full comparison
Every spec, side by side
General Information
| Spec | Allis Chalmers HD11AG Series B | John Deere 6620 Premium | Difference |
|---|---|---|---|
| Manufacturer | Allis Chalmers | John Deere | — |
| Model | HD11AG Series B | 6620 Premium | — |
| Category | Industrial | Utility | — |
Engine
| Spec | Allis Chalmers HD11AG Series B | John Deere 6620 Premium | Difference |
|---|---|---|---|
| Manufacturer | Allis Chalmers | John Deere | — |
| Model | 11000 | 6068T | — |
| Power Output | 127hp | 125hp | ▲ HD11AG Series B+2 hp · +2% |
| Rated RPM | 1,800RPM | 2,300RPM | ▲ 6620 Premium+500 RPM · +28% |
| Cylinders | 6 | 6 | Same |
| Displacement | 516ci | 414ci | ▲ HD11AG Series B+102 ci · +25% |
| Bore | 4.4in | 4.2in | ▲ HD11AG Series B+0.2 in · +5% |
| Stroke | 5.6in | 5in | ▲ HD11AG Series B+0.6 in · +12% |
Transmission
| Spec | Allis Chalmers HD11AG Series B | John Deere 6620 Premium | Difference |
|---|---|---|---|
| Type | Gear | Partial power shift | — |
Dimensions & Weight
| Spec | Allis Chalmers HD11AG Series B | John Deere 6620 Premium | Difference |
|---|---|---|---|
| Length | 125in | Not recorded | — |
| Width | 96in | Not recorded | — |
| Height | 84in | Not recorded | — |
| Operating Weight | 25,000lb | 11,532lb | ▲ HD11AG Series B+13,468 lb · +117% |
Hydraulics
| Spec | Allis Chalmers HD11AG Series B | John Deere 6620 Premium | Difference |
|---|---|---|---|
| System Type | Not recorded | Closed center load sensing | — |
| Steering Type | Not recorded | Hydrostatic power | — |
Hitch & Towing
| Spec | Allis Chalmers HD11AG Series B | John Deere 6620 Premium | Difference |
|---|---|---|---|
| Hitch Type | Not recorded | Rear Type II/IIIN | — |
| Hitch Position | Not recorded | Rear | — |
| Hitch Capacity | Not recorded | 18,740lb | — |
Chassis & Drive
| Spec | Allis Chalmers HD11AG Series B | John Deere 6620 Premium | Difference |
|---|---|---|---|
| Chassis Type | Tracked | 4x4 MFWD 4WD | — |
| Drive Type | Track | 4WD | — |
| Steering Type | Not recorded | Hydrostatic power | — |
Electrical
| Spec | Allis Chalmers HD11AG Series B | John Deere 6620 Premium | Difference |
|---|---|---|---|
| Starter Type | Electric | Electric | Same |
Capacities
| Spec | Allis Chalmers HD11AG Series B | John Deere 6620 Premium | Difference |
|---|---|---|---|
| Coolant | 11gal | Not recorded | — |
Category context
Both models against the field
Engine Displacement
median 284 ciA · 70th percentile (516 ci)B · 62nd percentile (414 ci)
Cylinders
median 4A · 88th percentile (6)B · 88th percentile (6)
Forward Gears
median 5A · 65th percentile (6)B · 98th percentile (24)
Operating Weight
median 9,127 lbA · 87th percentile (25,000 lb)B · 56th percentile (11,532 lb)
A · HD11AG Series BB · 6620 PremiumMedian Industrial Tractor