Steiger

Steiger Cougar II ST-300

The Steiger Cougar II ST-300 is a four-wheel drive farm tractor produced by Steiger from 1974 to 1976. It is part of the II Series and was built in Fargo, North Dakota, USA. Powered by a Caterpillar 10.5L 6-cylinder turbocharged diesel engine producing 300 hp, it features a Dana-Spicer ST-1010 10-speed transmission. The tractor includes articulated power steering, hydraulic disc brakes, and a standard cab with optional heat and air-conditioning. It has a wheelbase of 121.5 inches, weighs 22,000 lbs, and rides on 23.1-30 tires. The hydraulic system is open center with 3 valves and a pump flow of 25 gpm. The rear hitch is a type III optional. Electrical system includes a 12-volt battery and 62 amp alternator. Serial numbers range from 20501 to 21220 during its production years.

Power300 hp

Founded1974 - 1976

ModelCougar II ST-300

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Technical Specifications

Detailed specifications and technical data for Steiger Cougar II ST-300

Power

Engine	300 hp (223.7 kW)
Drawbar (claimed)	227 hp (169.3 kW)

Tires

Ag rear	23.1-30
Ag front	23.1-30
Rear tire	23.1-30
Front tire	23.1-30

Engine

Type	turbocharged diesel
Model	Caterpillar 3006T
Power	300 hp (223.7 kW)
Torque	681 lb-ft (923.4 Nm)
Cooling	liquid-cooled horizontal-shaft inline
Cylinders	6-cylinder
Rated RPM	2200
Torque RPM	1550
Bore/Stroke	4.75x6.00 inches (121 x 152 mm)
Displacement	638 ci (10.5 L)
Starter volts	12
Coolant capacity	60 qts (56.8 L)

Dimensions

Width	96 inches (243 cm) *Width with 23.1-30 tires
Length	244 inches (619 cm)
Weight	22000 lbs (9979 kg)
Wheelbase	121.5 inches (308 cm)
Height (cab)	133.25 inches (338 cm)

Electrical

Battery volts	12
Charging amps	62
Charging system	alternator

Hydraulics

Type	open center
Valves	3
Pump flow	25 gpm (94.6 lpm)
Steering flow	18 gpm (68.1 lpm)

Mechanical

Cab	standard with optional heat and air-conditioning
Drive	Four-wheel drive
Brakes	Hydraulic disc brakes
Steering	Articulated power steering
Final drives	outboard planetary

Production