Allis Chalmers 7030 row-crop tractor: review and specs

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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