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Years in Production / 1977–1981
Steiger
Cougar III ST-270
Explore the specifications, hardware, and original references for the Steiger Cougar III ST-270.
270hp
Source index power
4x4 Only
Drive
1977–1981
Production years
Steiger
Manufacturer
Cougar III ST-270 / 01
At a glance
Production
Four-wheel Drive (4WD) tractor
Built in Fargo, North Dakota, USA
Original price was $78,000 in 1981
- Manufacturer
- Steiger
Mechanical
Four-wheel drive
Articulated power steering
Hydraulic disc brakes
Safari Cab standard with heat and air-conditioning.
- Final Drives
- outboard planetary
Hydraulics
- Type
- open center
- Pressure
- 2250 psi155.1 bar
- Valves
- 4
- Pump Flow
- 29.2 gpm110.5 lpm
Hitch
- Rear Type
- III OptOptional
Electrical
- Ground
- negative
- Charging System
- alternator
- Charging Amps
- 90
- Batteries
- 2
- Battery Volts
- 12
- Battery Ah
- 208
- Battery Group
- 8D
Cougar III ST-270 / 02
Under the hood
Engine Detail
Caterpillar 3306
turbocharged aftercooled diesel
6-cylinder
liquid-cooled
- Displacement
- 638 ci10.5 L
- Bore Stroke
- 4.75x6.00 inches121 x 152 mm
- Power
- 270 hp201.3 kW
- Compression Ratio
- 17.5:1
- Rated Rpm
- 2200
- Idle Rpm
- 830-2470
- Torque
- 775 lb-ft1050.9 Nm
- Torque Rpm
- 1400
- Starter
- electric
- Starter Volts
- 12
- Oil Capacity
- 29 qts27.4 L
- Coolant Capacity
- 56 qts53.0 L
- Cylinders
- 6
- Cooling
- liquid-cooled
Engine Options
Caterpillar 10.5L 6-cyl diesel
- Fuel Tank
- 267 gal1010.6 L
Cougar III ST-270 / 03
Gears & controls
Transmission (Option 1)
- Gears
- 10 forward and 2 reverse
- Clutch
- hydraulic dry discs
Transmission (Option 2)
Ten-speed transmission with two-speed transfer case.
- Transmission
- Dana-Spicer 1010-3B
- Gears
- 20 forward and 4 reverse
- Clutch
- 356mm dry disc
Cougar III ST-270 / 04
Size. Stance. Footprint.
Dimensions
- Length
- 252 in640 cm
- Width
- 96 in243 cm
- Height
- 155.8 in395 cm
- Wheelbase
- 128 in325 cm
Dimensions And Tires
- Wheelbase
- 128 inches325 cm
- Weight
- 26250 lbs11907 kg
- Front Tire
- 20.8-38
- Rear Tire
- 20.8-38
Tires And Tracks
- Front Ag
- 20.8-38
- Front Ag
- 18.4-30
- Front Ag
- 18.4-34
- Front Ag
- 18.4-38
- Front Ag
- 20.8-34
- Front Ag
- 23.1-30
- Front Ag
- 23.1-34
- Front Ag
- 24.5-32
- Front Ag
- 30.5-32
- Rear Ag
- 20.8-38
- Rear Ag
- 18.4-30
- Rear Ag
- 18.4-34
- Rear Ag
- 18.4-38
- Rear Ag
- 20.8-34
- Rear Ag
- 23.1-30
- Rear Ag
- 23.1-34
- Rear Ag
- 24.5-32
- Rear Ag
- 30.5-32
Cougar III ST-270 / 05
Tractor Photos
Cougar III ST-270 / 06
Tests (NTTL)
Nebraska Tractor Test 1238
Diesel 10-speed 4WDApril 18 - May 2, 1977
Drawbar performance
Gear 6 used for power test.
Gear 3 used for pull test.
- Id
- 1238
- Max Power
- 218.74 hp163.1 kW
- Fuel Use
- 16.4 gal/hour62.1 l/hour
- Max Pull
- 25371 lbs11508 kg