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Steiger Cougar III ST-270

Steiger Cougar III ST-270 tractor
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The Steiger Cougar III ST-270 is a four-wheel drive (4WD) tractor produced by Steiger from 1977 to 1981. It is part of the III Series and was built in Fargo, North Dakota, USA. The tractor features a Caterpillar 3306 turbocharged aftercooled 6-cylinder diesel engine with 270 hp (201.3 kW) power output. It offers 10-speed and 20-speed transmission options, articulated power steering, hydraulic disc brakes, and a Safari Cab with heat and air-conditioning. The tractor has a wheelbase of 128 inches (325 cm), a length of 252 inches (640 cm), and a shipping weight of 26250 lbs (11907 kg). It was originally priced at $78,000 in 1981.
SteigerCougar III ST-270tractorspecificationsenginetransmissiondimensionshydraulics4WDfarm tractor
Power270 hp
Founded1977 - 1981
ModelCougar III ST-270

Technical Specifications

Detailed specifications and technical data for Steiger Cougar III ST-270

Power

Engine power:270 hp (201.3 kW)
Drawbar (tested):218.74 hp (163.1 kW)

Tires

Ag rear:20.8-38, 18.4-30, 18.4-34, 18.4-38, 20.8-34, 23.1-30, 23.1-34, 24.5-32, 30.5-32
Ag front:20.8-38, 18.4-30, 18.4-34, 18.4-38, 20.8-34, 23.1-30, 23.1-34, 24.5-32, 30.5-32

Engine

Type:turbocharged aftercooled diesel
Model:Caterpillar 3306
Power:270 hp (201.3 kW)
Torque:775 lb-ft (1050.9 Nm)
Cooling:liquid-cooled
Starter:electric
Idle RPM:830-2470
Cylinders:6-cylinder
Fuel tank:267 gal (1010.6 L)
Rated RPM:2200
Torque RPM:1400
Bore/Stroke:4.75x6.00 inches (121 x 152 mm)
Compression:17.5:1
Displacement:638 ci (10.5 L)
Oil capacity:29 qts (27.4 L)
Starter volts:12
Coolant capacity:56 qts (53.0 L)

Dimensions

Width:96 inches (tractor body) (243 cm)
Length:252 inches (640 cm)
Rear axle:Raba 598
Wheelbase:128 inches (325 cm)
Front axle:Raba 598
Max weight:34000 lbs (15422 kg)
Shipping weight:26250 lbs (11907 kg)
Height (exhaust):155.8 inches (395 cm)
Clearance (rear axle):20 inches (50 cm)

Electrical

Ground:negative
Batteries:2
Battery AH:208
Battery Group:8D
Battery volts:12
Charging amps:90
Charging system:alternator

Hydraulics

Type:open center
Valves:4
Pressure:2250 psi (155.1 bar)
Pump flow:29.2 gpm (110.5 lpm)

Mechanical

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

Production

Type:Four-wheel Drive (4WD) tractor
Series:III Series
Built in:Fargo, North Dakota, USA
Original price:$78,000 in 1981
Years produced:1977 - 1981

Transmission

Options:10-speed, 20-speed

10-speed

Gears:10 forward and 2 reverse
Clutch:hydraulic dry discs
Description:Ten-speed transmission with two-speed transfer case.

20-speed

Gears:20 forward and 4 reverse
Model:Dana-Spicer 1010-3B
Clutch:356mm dry disc

Tractor hitch

Rear Type:III Optional

Serial Numbers

1977:105-00330
1978:105-00477
1979:105-00658
1980:105-00872
1981:105-0100

Related Models

Steiger Cougar III ST-280

Model:Cougar III ST-280