Caterpillar D6C SA vs International Harvester 1066
Side-by-side specs comparison
Verdict by the numbers
- The Caterpillar D6C SA and the International Harvester 1066 deliver the same power: 140 HP.
- The International Harvester 1066 is the more recent model: production started in 1971, versus 1970 for the Caterpillar D6C SA.
Full specs comparison
| Caterpillar D6C SA | International Harvester 1066 | |
|---|---|---|
| Power | 140 HP | 140 HP |
| Production years | 1970–1976 | 1971–1976 |
| Fuel | Diesel | Diesel |
| Cylinders | 6 | 6 |
| Displacement | 10.5 L | 6.8 L |
| Drive | — | 2WD or 4WD |
| Transmission | Gear | Gear |
| Gears (fwd/rev) | 6 / 4 | 8 / 4 |
| Rear lift capacity | — | 2 540 kg |
| Wheelbase | — | 266 cm |
| Length | — | 419 cm |
| Cab | — | Yes |
Frequently asked questions
Which is more powerful, the Caterpillar D6C SA or the International Harvester 1066?
The Caterpillar D6C SA and the International Harvester 1066 deliver the same power: 140 HP.
Which is more recent, the Caterpillar D6C SA or the International Harvester 1066?
The International Harvester 1066 is the more recent model: production started in 1971, versus 1970 for the Caterpillar D6C SA.

