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Allis ChalmersModel A
Allis Chalmers HD11AG
Industrial
- power
- 130 hp
- displacement
- 516 ci
- Cylinders
- 6
- Forward gears
- 6
Head to head · Industrial
Allis Chalmers HD11AG vs Allis Chalmers HD15
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Allis ChalmersModel B
Allis Chalmers HD15
Industrial
- power
- Not recorded
- displacement
- 426 ci
- Cylinders
- 6
- Forward gears
- 6
Allis ChalmersAllis Chalmers HD11AG
vs
Allis ChalmersAllis Chalmers HD15
How they compare
Headline specs vs. the whole Industrial
Engine Displacement
▲ HD11AG higher · +90 ci (+21%)HD11AG516 ci
HD15426 ci
Median Industrial Tractor284 ci
HD11AG is in the 70th percentile; HD15 is in the 65th · 53 models
Cylinders
= Effectively tiedHD11AG6
HD156
Median Industrial Tractor4
HD11AG is in the 88th percentile; HD15 is in the 88th · 55 models
Forward Gears
= Effectively tiedHD11AG6
HD156
Median Industrial Tractor5
HD11AG is in the 65th percentile; HD15 is in the 65th · 43 models
Operating Weight
▲ HD15 higher · +7,895 lb (+34%)HD11AG23,000 lb
HD1530,895 lb
Median Industrial Tractor9,127 lb
HD11AG is in the 81st percentile; HD15 is in the 89th · 49 models
HD11AG (A)HD15 (B)Median Industrial Tractor
Full comparison
Every spec, side by side
General Information
| Spec | Allis Chalmers HD11AG | Allis Chalmers HD15 | Difference |
|---|---|---|---|
| Manufacturer | Allis Chalmers | Allis Chalmers | Same |
| Model | HD11AG | HD15 | — |
| Category | Industrial | Industrial | Same |
Engine
| Spec | Allis Chalmers HD11AG | Allis Chalmers HD15 | Difference |
|---|---|---|---|
| Manufacturer | Allis Chalmers | General Motors | — |
| Model | 11000 | Not recorded | — |
| Power Output | 130hp | Not recorded | — |
| Rated RPM | 1,800RPM | 1,600RPM | ▲ HD11AG+200 RPM · +13% |
| Cylinders | 6 | 6 | Same |
| Displacement | 516ci | 426ci | ▲ HD11AG+90 ci · +21% |
| Bore | 4.4in | 4.3in | ▲ HD11AG+0.1 in · +2% |
| Stroke | 5.6in | 5in | ▲ HD11AG+0.6 in · +12% |
Transmission
| Spec | Allis Chalmers HD11AG | Allis Chalmers HD15 | Difference |
|---|---|---|---|
| Type | Gear | Constant Mesh | — |
Dimensions & Weight
| Spec | Allis Chalmers HD11AG | Allis Chalmers HD15 | Difference |
|---|---|---|---|
| Length | 149in | 181in | ▲ HD15+32 in · +21% |
| Width | 95.9in | 96.8in | ▲ HD15+0.9 in · <1% |
| Height | 77.7in | 95in | ▲ HD15+17.3 in · +22% |
| Operating Weight | 23,000lb | 30,895lb | ▲ HD15+7,895 lb · +34% |
Hydraulics
| Spec | Allis Chalmers HD11AG | Allis Chalmers HD15 | Difference |
|---|---|---|---|
| Steering Type | Not recorded | Hydraulic | — |
Chassis & Drive
| Spec | Allis Chalmers HD11AG | Allis Chalmers HD15 | Difference |
|---|---|---|---|
| Steering Type | Not recorded | Hydraulic | — |
Electrical
| Spec | Allis Chalmers HD11AG | Allis Chalmers HD15 | Difference |
|---|---|---|---|
| Starter Type | Electric | Electric Starter | — |
Capacities
| Spec | Allis Chalmers HD11AG | Allis Chalmers HD15 | Difference |
|---|---|---|---|
| Coolant | 11gal | 11.8gal | ▲ HD15+0.8 gal · +7% |
Category context
Both models against the field
Engine Displacement
median 284 ciA · 70th percentile (516 ci)B · 65th percentile (426 ci)
Cylinders
median 4A · 88th percentile (6)B · 88th percentile (6)
Forward Gears
median 5A · 65th percentile (6)B · 65th percentile (6)
Operating Weight
median 9,127 lbA · 81st percentile (23,000 lb)B · 89th percentile (30,895 lb)
Length
median 125 inA · 60th percentile (149 in)B · 73rd percentile (181 in)
A · HD11AGB · HD15Median Industrial Tractor