Image not recorded
Allis ChalmersModel A
Allis Chalmers HD14
Crawler
- power
- Not recorded
- displacement
- 426 ci
- Cylinders
- 6
- Forward gears
- 6
Head to head · Crawler
Allis Chalmers HD14 vs Allis Chalmers HD15
Image not recorded
Allis ChalmersModel B
Allis Chalmers HD15
Industrial
- power
- Not recorded
- displacement
- 426 ci
- Cylinders
- 6
- Forward gears
- 6
Allis ChalmersAllis Chalmers HD14
vs
Allis ChalmersAllis Chalmers HD15
How they compare
Headline specs vs. the whole Crawler
Engine Displacement
= Effectively tiedHD14426 ci
HD15426 ci
Median Crawler Tractor468 ci
HD14 is in the 48th percentile; HD15 is in the 48th · 191 models
Cylinders
= Effectively tiedHD146
HD156
Median Crawler Tractor6
HD14 is in the 50th percentile; HD15 is in the 50th · 192 models
Forward Gears
= Effectively tiedHD146
HD156
Median Crawler Tractor10
HD14 is in the 34th percentile; HD15 is in the 34th · 179 models
Operating Weight
▲ HD15 higher · +2,145 lb (+7%)HD1428,750 lb
HD1530,895 lb
Median Crawler Tractor23,320 lb
HD14 is in the 65th percentile; HD15 is in the 66th · 173 models
HD14 (A)HD15 (B)Median Crawler Tractor
Full comparison
Every spec, side by side
General Information
| Spec | Allis Chalmers HD14 | Allis Chalmers HD15 | Difference |
|---|---|---|---|
| Manufacturer | Allis Chalmers | Allis Chalmers | Same |
| Model | HD14 | HD15 | — |
| Category | Crawler | Industrial | — |
Engine
| Spec | Allis Chalmers HD14 | Allis Chalmers HD15 | Difference |
|---|---|---|---|
| Manufacturer | General Motors | General Motors | Same |
| Model | Jun-71 | Not recorded | — |
| Rated RPM | 1,500RPM | 1,600RPM | ▲ HD15+100 RPM · +7% |
| Cylinders | 6 | 6 | Same |
| Displacement | 426ci | 426ci | Same |
| Bore | 4.3in | 4.3in | Same |
| Stroke | 5in | 5in | Same |
Transmission
| Spec | Allis Chalmers HD14 | Allis Chalmers HD15 | Difference |
|---|---|---|---|
| Type | Gear-driven | Constant Mesh | — |
Dimensions & Weight
| Spec | Allis Chalmers HD14 | Allis Chalmers HD15 | Difference |
|---|---|---|---|
| Length | 165in | 181in | ▲ HD15+16 in · +10% |
| Width | 92in | 96.8in | ▲ HD15+4.8 in · +5% |
| Height | 80in | 95in | ▲ HD15+15 in · +19% |
| Operating Weight | 28,750lb | 30,895lb | ▲ HD15+2,145 lb · +7% |
Hydraulics
| Spec | Allis Chalmers HD14 | Allis Chalmers HD15 | Difference |
|---|---|---|---|
| Steering Type | Not recorded | Hydraulic | — |
Chassis & Drive
| Spec | Allis Chalmers HD14 | Allis Chalmers HD15 | Difference |
|---|---|---|---|
| Chassis Type | Crawler | Not recorded | — |
| Drive Type | Track | Not recorded | — |
| Steering Type | Not recorded | Hydraulic | — |
Electrical
| Spec | Allis Chalmers HD14 | Allis Chalmers HD15 | Difference |
|---|---|---|---|
| Starter Type | Electric | Electric Starter | — |
Capacities
| Spec | Allis Chalmers HD14 | Allis Chalmers HD15 | Difference |
|---|---|---|---|
| Coolant | 12gal | 11.8gal | ▲ HD14+0.2 gal · +2% |
Category context
Both models against the field
Engine Displacement
median 468 ciA · 48th percentile (426 ci)B · 48th percentile (426 ci)
Cylinders
median 6A · 50th percentile (6)B · 50th percentile (6)
Forward Gears
median 10A · 34th percentile (6)B · 34th percentile (6)
Operating Weight
median 23,320 lbA · 65th percentile (28,750 lb)B · 66th percentile (30,895 lb)
Length
median 146 inA · 57th percentile (165 in)B · 63rd percentile (181 in)
A · HD14B · HD15Median Crawler Tractor