Allis ChalmersModel A
Allis Chalmers HD11
Crawler
- power
- 110 hp
- displacement
- 516 ci
- Cylinders
- 6
- Forward gears
- 6
Head to head · Crawler
Allis Chalmers HD11 vs John Deere 6603
John DeereModel B
John Deere 6603
Utility
- power
- 112 hp
- displacement
- 414 ci
- Cylinders
- 6
- Forward gears
- 9
Allis ChalmersAllis Chalmers HD11
vs
John DeereJohn Deere 6603
How they compare
Headline specs vs. the whole Crawler
Engine Power
▲ 6603 higher · +2 hp (+2%)HD11110 hp
6603112 hp
Median Crawler Tractor200 hp
HD11 is in the 46th percentile; 6603 is in the 47th · 142 models
Engine Displacement
▲ HD11 higher · +102 ci (+25%)HD11516 ci
6603414 ci
Median Crawler Tractor468 ci
HD11 is in the 58th percentile; 6603 is in the 46th · 191 models
Cylinders
= Effectively tiedHD116
66036
Median Crawler Tractor6
HD11 is in the 50th percentile; 6603 is in the 50th · 192 models
Forward Gears
▲ 6603 higher · +3 (+50%)HD116
66039
Median Crawler Tractor10
HD11 is in the 34th percentile; 6603 is in the 43rd · 179 models
HD11 (A)6603 (B)Median Crawler Tractor
Full comparison
Every spec, side by side
General Information
| Spec | Allis Chalmers HD11 | John Deere 6603 | Difference |
|---|---|---|---|
| Manufacturer | Allis Chalmers | John Deere | — |
| Model | HD11 | 6603 | — |
| Category | Crawler, Agricultural | Utility | — |
Engine
| Spec | Allis Chalmers HD11 | John Deere 6603 | Difference |
|---|---|---|---|
| Manufacturer | Allis Chalmers | John Deere | — |
| Model | HD-516 | 6068T | — |
| Power Output | 110hp | 112hp | ▲ 6603+2 hp · +2% |
| Rated RPM | 1,800RPM | 2,100RPM | ▲ 6603+300 RPM · +17% |
| Cylinders | 6 | 6 | Same |
| Displacement | 516ci | 414ci | ▲ HD11+102 ci · +25% |
| Bore | 4.5in | 4.2in | ▲ HD11+0.3 in · +7% |
| Stroke | 5.6in | 5in | ▲ HD11+0.5 in · +10% |
Transmission
| Spec | Allis Chalmers HD11 | John Deere 6603 | Difference |
|---|---|---|---|
| Type | Sliding Gear | Partially synchronized | — |
Dimensions & Weight
| Spec | Allis Chalmers HD11 | John Deere 6603 | Difference |
|---|---|---|---|
| Length | 154in | Not recorded | — |
| Width | 40in | 73in | ▲ 6603+33 in · +83% |
| Height | 84in | Not recorded | — |
| Operating Weight | 21,000lb | Not recorded | — |
Hydraulics
| Spec | Allis Chalmers HD11 | John Deere 6603 | Difference |
|---|---|---|---|
| System Type | Not recorded | Open center | — |
| Steering Type | Not recorded | Power | — |
Hitch & Towing
| Spec | Allis Chalmers HD11 | John Deere 6603 | Difference |
|---|---|---|---|
| Hitch Type | Not recorded | Three-Point Hitch | — |
| Hitch Category | Not recorded | II | — |
| Hitch Position | Not recorded | Rear | — |
| Hitch Capacity | Not recorded | 4,828lb | — |
Chassis & Drive
| Spec | Allis Chalmers HD11 | John Deere 6603 | Difference |
|---|---|---|---|
| Chassis Type | Crawler | 4x2 2WD | — |
| Drive Type | Not recorded | 2WD | — |
| Steering Type | Not recorded | Power | — |
| Brake Type | Contracting band | Not recorded | — |
Electrical
| Spec | Allis Chalmers HD11 | John Deere 6603 | Difference |
|---|---|---|---|
| Starter Type | Electric | Electric Starter | — |
Capacities
| Spec | Allis Chalmers HD11 | John Deere 6603 | Difference |
|---|---|---|---|
| Coolant | 11gal | 4.9gal | ▲ HD11+6.1 gal · +124% |
Operator Station
| Spec | Allis Chalmers HD11 | John Deere 6603 | Difference |
|---|---|---|---|
| Type | Open operator station | Not recorded | — |
Category context
Both models against the field
Engine Power
median 200 hpA · 46th percentile (110 hp)B · 47th percentile (112 hp)
Engine Displacement
median 468 ciA · 58th percentile (516 ci)B · 46th percentile (414 ci)
Cylinders
median 6A · 50th percentile (6)B · 50th percentile (6)
Forward Gears
median 10A · 34th percentile (6)B · 43rd percentile (9)
Width
median 79.5 inA · 6th percentile (40 in)B · 49th percentile (73 in)
A · HD11B · 6603Median Crawler Tractor