1990
Ram Trucks Ram 2500 Cummins
Dodge's introduction of the Cummins 5.9L inline-six turbo diesel in 1989 transformed the heavy-duty pickup segment. It offered 400 lb-ft of torque — more than any gasoline engine — revolutionising towing capability.
Three-quarter-ton Pickup
Technical Specifications
| Engine | 5.9L Cummins 6BT I6 Diesel Turbo |
| Horsepower | 160 hp |
| Torque | 542 Nm |
| Transmission | 5-speed manual (Getrag G360) |
| Drivetrain | 4WD |
| Fuel Type | Diesel |
| MSRP Range | $17,900 (USA, 1990) |