CaterpillarModel A
Caterpillar Diesel Forty
Industrial
- power
- Not recorded
- displacement
- 624 ci
- Cylinders
- 3
- Forward gears
- 4
Head to head · Industrial
Caterpillar Diesel Forty vs Caterpillar RD4
Image not recorded
CaterpillarModel B
Caterpillar RD4
Industrial
- power
- Not recorded
- displacement
- 312 ci
- Cylinders
- 4
- Forward gears
- 5
CaterpillarCaterpillar Diesel Forty
vs
CaterpillarCaterpillar RD4
How they compare
Headline specs vs. the whole Industrial
Engine Displacement
▲ Diesel Forty higher · +312 ci (+100%)Diesel Forty624 ci
RD4312 ci
Median Industrial Tractor284 ci
Diesel Forty is in the 75th percentile; RD4 is in the 53rd · 53 models
Cylinders
▲ RD4 higher · +1 (+33%)Diesel Forty3
RD44
Median Industrial Tractor4
Diesel Forty is in the 21st percentile; RD4 is in the 50th · 55 models
Forward Gears
▲ RD4 higher · +1 (+25%)Diesel Forty4
RD45
Median Industrial Tractor5
Diesel Forty is in the 30th percentile; RD4 is in the 50th · 43 models
Diesel Forty (A)RD4 (B)Median Industrial Tractor
Full comparison
Every spec, side by side
General Information
| Spec | Caterpillar Diesel Forty | Caterpillar RD4 | Difference |
|---|---|---|---|
| Manufacturer | Caterpillar | Caterpillar | Same |
| Model | Diesel Forty | RD4 | — |
| Category | Industrial | Industrial | Same |
Engine
| Spec | Caterpillar Diesel Forty | Caterpillar RD4 | Difference |
|---|---|---|---|
| Manufacturer | Caterpillar | Caterpillar | Same |
| Model | D6600 | Not recorded | — |
| Rated RPM | 1,000RPM | 1,400RPM | ▲ RD4+400 RPM · +40% |
| Cylinders | 3 | 4 | ▲ RD4+1 · +33% |
| Displacement | 624ci | 312ci | ▲ Diesel Forty+312 ci · +100% |
| Bore | 5.8in | 4.3in | ▲ Diesel Forty+1.5 in · +35% |
| Stroke | 8in | 5.5in | ▲ Diesel Forty+2.5 in · +45% |
Transmission
| Spec | Caterpillar Diesel Forty | Caterpillar RD4 | Difference |
|---|---|---|---|
| Type | Gear | Gear | Same |
Dimensions & Weight
| Spec | Caterpillar Diesel Forty | Caterpillar RD4 | Difference |
|---|---|---|---|
| Width | 16in | Not recorded | — |
| Operating Weight | 15,642lb | Not recorded | — |
Category context
Both models against the field
Engine Displacement
median 284 ciA · 75th percentile (624 ci)B · 53rd percentile (312 ci)
Cylinders
median 4A · 21st percentile (3)B · 50th percentile (4)
Forward Gears
median 5A · 30th percentile (4)B · 50th percentile (5)
A · Diesel FortyB · RD4Median Industrial Tractor