The Allis Chalmers 7030 is a 2WD row-crop tractor manufactured by Allis Chalmers in West Allis, Wisconsin, USA from 1973 to 1974. The Allis Chalmers 7030 is equipped with a 7.0 L (426.0 cu·in) six-cylinder diesel engine and a partial power shift transmission with 20 forward and 4 reverse gears.
The Allis Chalmers 7030 row-crop tractor used the Allis Chalmers 3500 Mark II engine. It is a 7.0 L, 6,980 cm2, (426.0 cu·in) six-cylinder turbocharged diesel engine with 108.0 mm (4.25 in) of the cylinder bore and 127.0 mm (5 in) of the piston stroke. The compression ratio rating is 16.0:1. This engine produced 147 PS (108.1 kW; 145.0 HP) at 2,300 rpm of output power.
The Allis Chalmers 7030 is equipped with hydrostatic power steering, differential hydraulic wet discs brakes, open operator station or cab (optional).
Allis Chalmers 7030 Specifications
| General Specifications | |
| Model | Allis Chalmers 7030 |
| Length | 4,140 mm (163 in) |
| Width | 2,420 mm (95.3 in) |
| Height | 2,940 mm (115.7 in) |
| Wheel base | 2,690 mm (105.9 in) |
| Weight | 5,640 kg (12,434 lbs) |
| Fuel tank capacity | – |
| Battery | 12V |
| Cabin type | Open operator station or Cab (optional) |
| Engine | |
| Engine model | Allis Chalmers 3500 Mark II |
| Engine type | Four-stroke, liquid-cooled, inline |
| Cylinders | 6 |
| Fuel type | Diesel |
| Displacement | 7.0 L, 6,980 cm2, (426.0 cu·in) |
| Bore and stroke | 108.0 mm X 127.0 mm (4.25 in X 5 in) |
| Compression ratio | 16.0:1 |
| Horsepower | 147 PS (108.1 kW; 145.0 HP) at 2,300 rpm |
| Starter | Electric |
| Transmission and chassis | |
| Chassis | 4×2 2WD |
| Steering type | Hydrostatic power |
| Brakes | Differential hydraulic wet discs |
| Transmission model | Power Director XX |
| Transmission type | Partial power shift |
| Gears | 20 forward and 4 reverse |
| Tires | |
| Front tires | Ag: 11.00-16 |
| Rear tires | Ag: 20.8-38 |
| PTO (Power take-off shaft) | |
| Rear PTO type | Independent |
| Rear PTO speed | 540/1,000 rpm |
| Hydraulic system | |
| Hydraulic type | Open center |

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