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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 Caterpillar RD7
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CaterpillarModel B
Caterpillar RD7
Industrial
- power
- Not recorded
- displacement
- 831 ci
- Cylinders
- 4
- Forward gears
- 4
Advance-RumelyAdvance-Rumely 6A
vs
CaterpillarCaterpillar RD7
How they compare
Headline specs vs. the whole Utility
Engine Displacement
▲ RD7 higher · +427 ci (+106%)6A404 ci
RD7831 ci
Median Utility Tractor183 ci
6A is in the 90th percentile; RD7 is in the 97th · 5,580 models
Cylinders
▲ 6A higher · +2 (+50%)6A6
RD74
Median Utility Tractor4
6A is in the 93rd percentile; RD7 is in the 50th · 5,720 models
Forward Gears
▲ 6A higher · +2 (+50%)6A6
RD74
Median Utility Tractor12
6A is in the 11th percentile; RD7 is in the 4th · 4,941 models
Operating Weight
▲ RD7 higher · +14,650 lb (+230%)6A6,370 lb
RD721,020 lb
Median Utility Tractor5,303 lb
6A is in the 60th percentile; RD7 is in the 95th · 5,107 models
6A (A)RD7 (B)Median Utility Tractor
Full comparison
Every spec, side by side
General Information
| Spec | Advance-Rumely 6A | Caterpillar RD7 | Difference |
|---|---|---|---|
| Manufacturer | Advance-Rumely | Caterpillar | — |
| Model | 6A | RD7 | — |
| Category | Utility, Standard Tread | Industrial | — |
Engine
| Spec | Advance-Rumely 6A | Caterpillar RD7 | Difference |
|---|---|---|---|
| Manufacturer | Waukesha | Caterpillar | — |
| Rated RPM | 1,365RPM | 1,000RPM | ▲ 6A+365 RPM · +37% |
| Cylinders | 6 | 4 | ▲ 6A+2 · +50% |
| Displacement | 404ci | 831ci | ▲ RD7+427 ci · +106% |
| Bore | 4.3in | 5.8in | ▲ RD7+1.5 in · +35% |
| Stroke | 4.8in | 8in | ▲ RD7+3.2 in · +67% |
Transmission
| Spec | Advance-Rumely 6A | Caterpillar RD7 | Difference |
|---|---|---|---|
| Type | Gear | Gear | Same |
Dimensions & Weight
| Spec | Advance-Rumely 6A | Caterpillar RD7 | Difference |
|---|---|---|---|
| Length | 163in | Not recorded | — |
| Width | 70in | Not recorded | — |
| Height | 74in | Not recorded | — |
| Operating Weight | 6,370lb | 21,020lb | ▲ RD7+14,650 lb · +230% |
Hydraulics
| Spec | Advance-Rumely 6A | Caterpillar RD7 | Difference |
|---|---|---|---|
| Steering Type | Manual | Not recorded | — |
Chassis & Drive
| Spec | Advance-Rumely 6A | Caterpillar RD7 | Difference |
|---|---|---|---|
| Chassis Type | 4x2 2WD | Not recorded | — |
| Drive Type | 2WD | Not recorded | — |
| Steering Type | Manual | Not recorded | — |
Capacities
| Spec | Advance-Rumely 6A | Caterpillar RD7 | Difference |
|---|---|---|---|
| Coolant | 9.5gal | Not recorded | — |
Category context
Both models against the field
Engine Displacement
median 183 ciA · 90th percentile (404 ci)B · 97th percentile (831 ci)
Cylinders
median 4A · 93rd percentile (6)B · 50th percentile (4)
Forward Gears
median 12A · 11th percentile (6)B · 4th percentile (4)
Operating Weight
median 5,303 lbA · 60th percentile (6,370 lb)B · 95th percentile (21,020 lb)
A · 6AB · RD7Median Utility Tractor