Image not recorded
CaterpillarModel A
Caterpillar Diesel Fifty
Industrial
- power
- Not recorded
- displacement
- 693 ci
- Cylinders
- 4
- Forward gears
- Not recorded
Head to head · Industrial
Industrial

Industrial
How they compare
Diesel Fifty is in the 78th percentile; Diesel Forty is in the 75th · 53 models
Diesel Fifty is in the 50th percentile; Diesel Forty is in the 21st · 55 models
Full comparison
| Spec | Caterpillar Diesel Fifty | Caterpillar Diesel Forty | Difference |
|---|---|---|---|
| Manufacturer | Caterpillar | Caterpillar | Same |
| Model | Diesel Fifty | Diesel Forty | — |
| Category | Industrial | Industrial | Same |
| Spec | Caterpillar Diesel Fifty | Caterpillar Diesel Forty | Difference |
|---|---|---|---|
| Manufacturer | Caterpillar | Caterpillar | Same |
| Model | Not recorded | D6600 | — |
| Rated RPM | 700RPM | 1,000RPM | ▲ Diesel Forty+300 RPM · +43% |
| Cylinders | 4 | 3 | ▲ Diesel Fifty+1 · +33% |
| Displacement | 693ci | 624ci | ▲ Diesel Fifty+69 ci · +11% |
| Bore | 5.3in | 5.8in | ▲ Diesel Forty+0.5 in · +9% |
| Stroke | 8in | 8in | Same |
| Spec | Caterpillar Diesel Fifty | Caterpillar Diesel Forty | Difference |
|---|---|---|---|
| Type | Not recorded | Gear | — |
| Spec | Caterpillar Diesel Fifty | Caterpillar Diesel Forty | Difference |
|---|---|---|---|
| Width | Not recorded | 16in | — |
| Operating Weight | Not recorded | 15,642lb | — |
Category context