
CaterpillarModel A
Caterpillar Diesel Forty
Industrial
- power
- Not recorded
- displacement
- 624 ci
- Cylinders
- 3
- Forward gears
- 4
Head to head · Industrial

Industrial
Industrial
How they compare
Diesel Forty is in the 75th percentile; Seventy-Five is in the 93rd · 53 models
Diesel Forty is in the 21st percentile; Seventy-Five is in the 88th · 55 models
Diesel Forty is in the 30th percentile; Seventy-Five is in the 65th · 43 models
Diesel Forty is in the 62nd percentile; Seventy-Five is in the 93rd · 49 models
Full comparison
| Spec | Caterpillar Diesel Forty | Caterpillar Seventy-Five | Difference |
|---|---|---|---|
| Manufacturer | Caterpillar | Caterpillar | Same |
| Model | Diesel Forty | Seventy-Five | — |
| Category | Industrial | Industrial | Same |
| Spec | Caterpillar Diesel Forty | Caterpillar Seventy-Five | Difference |
|---|---|---|---|
| Manufacturer | Caterpillar | Caterpillar | Same |
| Model | D6600 | Not recorded | — |
| Rated RPM | 1,000RPM | 820RPM | ▲ Diesel Forty+180 RPM · +22% |
| Cylinders | 3 | 6 | ▲ Seventy-Five+3 · +100% |
| Displacement | 624ci | 1,039ci | ▲ Seventy-Five+415 ci · +67% |
| Bore | 5.8in | 5.3in | ▲ Diesel Forty+0.5 in · +9% |
| Stroke | 8in | 8in | Same |
| Spec | Caterpillar Diesel Forty | Caterpillar Seventy-Five | Difference |
|---|---|---|---|
| Type | Gear | Gear | Same |
| Spec | Caterpillar Diesel Forty | Caterpillar Seventy-Five | Difference |
|---|---|---|---|
| Length | Not recorded | 183in | — |
| Width | 16in | 104in | ▲ Seventy-Five+88 in · +550% |
| Height | Not recorded | 84.1in | — |
| Operating Weight | 15,642lb | 31,557lb | ▲ Seventy-Five+15,915 lb · +102% |
| Spec | Caterpillar Diesel Forty | Caterpillar Seventy-Five | Difference |
|---|---|---|---|
| Steering Type | Not recorded | Manual Clutch | — |
| Spec | Caterpillar Diesel Forty | Caterpillar Seventy-Five | Difference |
|---|---|---|---|
| Steering Type | Not recorded | Manual Clutch | — |
| Spec | Caterpillar Diesel Forty | Caterpillar Seventy-Five | Difference |
|---|---|---|---|
| Coolant | Not recorded | 28gal | — |
Category context