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 6420
Image not recorded
John DeereModel B
John Deere 6420
Utility
- power
- 110 hp
- displacement
- 276 ci
- Cylinders
- 4
- Forward gears
- 12
Allis ChalmersAllis Chalmers HD11
vs
John DeereJohn Deere 6420
How they compare
Headline specs vs. the whole Crawler
Engine Power
= Effectively tiedHD11110 hp
6420110 hp
Median Crawler Tractor200 hp
HD11 is in the 46th percentile; 6420 is in the 46th · 142 models
Engine Displacement
▲ HD11 higher · +240 ci (+87%)HD11516 ci
6420276 ci
Median Crawler Tractor468 ci
HD11 is in the 58th percentile; 6420 is in the 37th · 191 models
Cylinders
▲ HD11 higher · +2 (+50%)HD116
64204
Median Crawler Tractor6
HD11 is in the 50th percentile; 6420 is in the 33rd · 192 models
Forward Gears
▲ 6420 higher · +6 (+100%)HD116
642012
Median Crawler Tractor10
HD11 is in the 34th percentile; 6420 is in the 54th · 179 models
HD11 (A)6420 (B)Median Crawler Tractor
Full comparison
Every spec, side by side
General Information
| Spec | Allis Chalmers HD11 | John Deere 6420 | Difference |
|---|---|---|---|
| Manufacturer | Allis Chalmers | John Deere | — |
| Model | HD11 | 6420 | — |
| Category | Crawler, Agricultural | Utility | — |
Engine
| Spec | Allis Chalmers HD11 | John Deere 6420 | Difference |
|---|---|---|---|
| Manufacturer | Allis Chalmers | John Deere | — |
| Model | HD-516 | PowerTech 4045HL070 | — |
| Power Output | 110hp | 110hp | Same |
| Rated RPM | 1,800RPM | 2,300RPM | ▲ 6420+500 RPM · +28% |
| Cylinders | 6 | 4 | ▲ HD11+2 · +50% |
| Displacement | 516ci | 276ci | ▲ HD11+240 ci · +87% |
| 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 6420 | Difference |
|---|---|---|---|
| Type | Sliding Gear | Fully synchronized | — |
Dimensions & Weight
| Spec | Allis Chalmers HD11 | John Deere 6420 | Difference |
|---|---|---|---|
| Length | 154in | 163in | ▲ 6420+9 in · +6% |
| Width | 40in | 61.8in | ▲ 6420+21.8 in · +54% |
| Height | 84in | 98.3in | ▲ 6420+14.3 in · +17% |
| Operating Weight | 21,000lb | 10,472lb | ▲ HD11+10,528 lb · +101% |
Hydraulics
| Spec | Allis Chalmers HD11 | John Deere 6420 | Difference |
|---|---|---|---|
| System Type | Not recorded | Closed center pressure flow compensated | — |
| Steering Type | Not recorded | Hydrostatic power | — |
Power Take-off (PTO)
| Spec | Allis Chalmers HD11 | John Deere 6420 | Difference |
|---|---|---|---|
| Type | Not recorded | Independent rear | — |
| Speed 1 | Not recorded | 540rpm | — |
Hitch & Towing
| Spec | Allis Chalmers HD11 | John Deere 6420 | Difference |
|---|---|---|---|
| Hitch Category | Not recorded | II | — |
| Hitch Capacity | Not recorded | 4,741lb | — |
Chassis & Drive
| Spec | Allis Chalmers HD11 | John Deere 6420 | Difference |
|---|---|---|---|
| Chassis Type | Crawler | 4x4 MFWD 4WD | — |
| Drive Type | Not recorded | 4WD | — |
| Steering Type | Not recorded | Hydrostatic power | — |
| Brake Type | Contracting band | Hydraulic wet disc | — |
Electrical
| Spec | Allis Chalmers HD11 | John Deere 6420 | Difference |
|---|---|---|---|
| Starter Type | Electric | Electric | Same |
Capacities
| Spec | Allis Chalmers HD11 | John Deere 6420 | Difference |
|---|---|---|---|
| Coolant | 11gal | 3.6gal | ▲ HD11+7.4 gal · +206% |
Operator Station
| Spec | Allis Chalmers HD11 | John Deere 6420 | Difference |
|---|---|---|---|
| Type | Open operator station | Open | — |
Category context
Both models against the field
Engine Power
median 200 hpA · 46th percentile (110 hp)B · 46th percentile (110 hp)
Engine Displacement
median 468 ciA · 58th percentile (516 ci)B · 37th percentile (276 ci)
Cylinders
median 6A · 50th percentile (6)B · 33rd percentile (4)
Forward Gears
median 10A · 34th percentile (6)B · 54th percentile (12)
Operating Weight
median 23,320 lbA · 48th percentile (21,000 lb)B · 33rd percentile (10,472 lb)
A · HD11B · 6420Median Crawler Tractor