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Advance-RumelyModel A
Advance-Rumely 6A
Utility
- power
- Not recorded
- displacement
- 404 ci
- Cylinders
- 6
- Forward gears
- 6
Head to head · Utility
Advance-Rumely 6A 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
Advance-RumelyAdvance-Rumely 6A
vs
Allis ChalmersAllis Chalmers HD15
How they compare
Headline specs vs. the whole Utility
Engine Displacement
▲ HD15 higher · +22 ci (+5%)6A404 ci
HD15426 ci
Median Utility Tractor183 ci
6A is in the 90th percentile; HD15 is in the 92nd · 5,580 models
Cylinders
= Effectively tied6A6
HD156
Median Utility Tractor4
6A is in the 93rd percentile; HD15 is in the 93rd · 5,720 models
Forward Gears
= Effectively tied6A6
HD156
Median Utility Tractor12
6A is in the 11th percentile; HD15 is in the 11th · 4,941 models
Operating Weight
▲ HD15 higher · +24,525 lb (+385%)6A6,370 lb
HD1530,895 lb
Median Utility Tractor5,303 lb
6A is in the 60th percentile; HD15 is in the 97th · 5,107 models
6A (A)HD15 (B)Median Utility Tractor
Full comparison
Every spec, side by side
General Information
| Spec | Advance-Rumely 6A | Allis Chalmers HD15 | Difference |
|---|---|---|---|
| Manufacturer | Advance-Rumely | Allis Chalmers | — |
| Model | 6A | HD15 | — |
| Category | Utility, Standard Tread | Industrial | — |
Engine
| Spec | Advance-Rumely 6A | Allis Chalmers HD15 | Difference |
|---|---|---|---|
| Manufacturer | Waukesha | General Motors | — |
| Rated RPM | 1,365RPM | 1,600RPM | ▲ HD15+235 RPM · +17% |
| Cylinders | 6 | 6 | Same |
| Displacement | 404ci | 426ci | ▲ HD15+22 ci · +5% |
| Bore | 4.3in | 4.3in | Same |
| Stroke | 4.8in | 5in | ▲ HD15+0.2 in · +4% |
Transmission
| Spec | Advance-Rumely 6A | Allis Chalmers HD15 | Difference |
|---|---|---|---|
| Type | Gear | Constant Mesh | — |
Dimensions & Weight
| Spec | Advance-Rumely 6A | Allis Chalmers HD15 | Difference |
|---|---|---|---|
| Length | 163in | 181in | ▲ HD15+18 in · +11% |
| Width | 70in | 96.8in | ▲ HD15+26.8 in · +38% |
| Height | 74in | 95in | ▲ HD15+21 in · +28% |
| Operating Weight | 6,370lb | 30,895lb | ▲ HD15+24,525 lb · +385% |
Hydraulics
| Spec | Advance-Rumely 6A | Allis Chalmers HD15 | Difference |
|---|---|---|---|
| Steering Type | Manual | Hydraulic | — |
Chassis & Drive
| Spec | Advance-Rumely 6A | Allis Chalmers HD15 | Difference |
|---|---|---|---|
| Chassis Type | 4x2 2WD | Not recorded | — |
| Drive Type | 2WD | Not recorded | — |
| Steering Type | Manual | Hydraulic | — |
Electrical
| Spec | Advance-Rumely 6A | Allis Chalmers HD15 | Difference |
|---|---|---|---|
| Starter Type | Not recorded | Electric Starter | — |
Capacities
| Spec | Advance-Rumely 6A | Allis Chalmers HD15 | Difference |
|---|---|---|---|
| Coolant | 9.5gal | 11.8gal | ▲ HD15+2.3 gal · +24% |
Category context
Both models against the field
Engine Displacement
median 183 ciA · 90th percentile (404 ci)B · 92nd percentile (426 ci)
Cylinders
median 4A · 93rd percentile (6)B · 93rd percentile (6)
Forward Gears
median 12A · 11th percentile (6)B · 11th percentile (6)
Operating Weight
median 5,303 lbA · 60th percentile (6,370 lb)B · 97th percentile (30,895 lb)
Length
median 137 inA · 81st percentile (163 in)B · 91st percentile (181 in)
A · 6AB · HD15Median Utility Tractor