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 Ford 8401
Allis ChalmersAllis Chalmers HD11
vs
FordFord 8401
How they compare
Headline specs vs. the whole Crawler
Engine Power
▲ HD11 higher · +1 hp (<1%)HD11110 hp
8401109 hp
Median Crawler Tractor200 hp
HD11 is in the 46th percentile; 8401 is in the 46th · 142 models
Engine Displacement
▲ HD11 higher · +114 ci (+28%)HD11516 ci
8401402 ci
Median Crawler Tractor468 ci
HD11 is in the 58th percentile; 8401 is in the 45th · 191 models
Cylinders
= Effectively tiedHD116
84016
Median Crawler Tractor6
HD11 is in the 50th percentile; 8401 is in the 50th · 192 models
Forward Gears
▲ 8401 higher · +10 (+167%)HD116
840116
Median Crawler Tractor10
HD11 is in the 34th percentile; 8401 is in the 69th · 179 models
HD11 (A)8401 (B)Median Crawler Tractor
Full comparison
Every spec, side by side
General Information
| Spec | Allis Chalmers HD11 | Ford 8401 | Difference |
|---|---|---|---|
| Manufacturer | Allis Chalmers | Ford | — |
| Model | HD11 | 8401 | — |
| Category | Crawler, Agricultural | Row Crop | — |
Engine
| Spec | Allis Chalmers HD11 | Ford 8401 | Difference |
|---|---|---|---|
| Manufacturer | Allis Chalmers | Ford | — |
| Model | HD-516 | Not recorded | — |
| Power Output | 110hp | 109hp | ▲ HD11+1 hp · <1% |
| Rated RPM | 1,800RPM | 2,440RPM | ▲ 8401+640 RPM · +36% |
| Cylinders | 6 | 6 | Same |
| Displacement | 516ci | 402ci | ▲ HD11+114 ci · +28% |
| Bore | 4.5in | 4.4in | ▲ HD11+0.1 in · +2% |
| Stroke | 5.6in | 4.4in | ▲ HD11+1.1 in · +25% |
Transmission
| Spec | Allis Chalmers HD11 | Ford 8401 | Difference |
|---|---|---|---|
| Type | Sliding Gear | Dual Power | — |
Dimensions & Weight
| Spec | Allis Chalmers HD11 | Ford 8401 | Difference |
|---|---|---|---|
| Length | 154in | 165in | ▲ 8401+11 in · +7% |
| Width | 40in | Not recorded | — |
| Height | 84in | 90in | ▲ 8401+6 in · +7% |
| Ground Clearance | Not recorded | 19in | — |
| Operating Weight | 21,000lb | 10,472lb | ▲ HD11+10,528 lb · +101% |
Hydraulics
| Spec | Allis Chalmers HD11 | Ford 8401 | Difference |
|---|---|---|---|
| Steering Type | Not recorded | Power | — |
Hitch & Towing
| Spec | Allis Chalmers HD11 | Ford 8401 | Difference |
|---|---|---|---|
| Hitch Type | Not recorded | Rear Type II | — |
Chassis & Drive
| Spec | Allis Chalmers HD11 | Ford 8401 | 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 | Ford 8401 | Difference |
|---|---|---|---|
| Starter Type | Electric | Not recorded | — |
Capacities
| Spec | Allis Chalmers HD11 | Ford 8401 | Difference |
|---|---|---|---|
| Coolant | 11gal | Not recorded | — |
Operator Station
| Spec | Allis Chalmers HD11 | Ford 8401 | Difference |
|---|---|---|---|
| Type | Open operator station | Not recorded | — |
Category context
Both models against the field
Engine Power
median 200 hpA · 46th percentile (110 hp)B · 46th percentile (109 hp)
Engine Displacement
median 468 ciA · 58th percentile (516 ci)B · 45th percentile (402 ci)
Cylinders
median 6A · 50th percentile (6)B · 50th percentile (6)
Forward Gears
median 10A · 34th percentile (6)B · 69th percentile (16)
Operating Weight
median 23,320 lbA · 48th percentile (21,000 lb)B · 33rd percentile (10,472 lb)
A · HD11B · 8401Median Crawler Tractor