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Steiger Cougar III ST-250

Steiger Cougar III ST-250 tractor
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The Steiger Cougar III ST-250 is a four-wheel drive (4WD) tractor produced by Steiger from 1976 to 1983. It belongs to the III Series and was built in Fargo, North Dakota, USA. The tractor features a powerful Caterpillar 3306DITA turbocharged aftercooled diesel engine with 250 hp (186.4 kW) output. It offers transmission options of 10-speed and 20-speed, with the 20-speed model having 20 forward and 4 reverse gears. The tractor includes articulated power steering, hydraulic dry disc brakes, and a Safari Cab with heat and air-conditioning. It has a wheelbase of 128 inches (325 cm), weighs 25000 lbs (11340 kg) shipping weight, and can reach a max weight of 34000 lbs (15422 kg). The Cougar III ST-250 was originally priced at $50,000 in 1983.
Steiger Cougar III ST-250tractorspecificationsenginetransmissionpowerdimensionshydraulics4WD tractor
Power250 hp
Founded1976 - 1983
ModelCougar III ST-250

Technical Specifications

Detailed specifications and technical data for Steiger Cougar III ST-250

Power

Engine power:250 hp (186.4 kW)
Drawbar (tested):214.51 hp (160.0 kW)
Drawbar (claimed):210 hp (156.6 kW)

Tires

Rear tire:23.1-34
Front tire:23.1-34

Engine

Type:turbocharged aftercooled diesel
Model:Caterpillar 3306DITA
Power:250 hp (186.4 kW)
Torque:860 lb-ft (1166.2 Nm)
Cooling:liquid-cooled inline
Starter:electric
Cylinders:6-cylinder
Fuel tank:267 gal (1010.6 L)
Rated RPM:2100
Torque RPM:1300
Air cleaner:two paper elements
Bore/Stroke:4.75x6.00 inches (121 x 152 mm)
Displacement:638 ci (10.5 L)
Oil capacity:29 qts (27.4 L)
Starter volts:12
Coolant capacity:56 qts (53.0 L)
Compression ratio:15:1

Dimensions

Width:96 inches (tractor body) (243 cm)
Length:252 inches (640 cm)
Wheelbase:128 inches (325 cm)
Max weight:34000 lbs (15422 kg)
Shipping weight:25000 lbs (11340 kg)
Height (exhaust):155.8 inches (395 cm)

Electrical

Ground:negative
Battery volts:12
Charging amps:90
Charging system:alternator

Hydraulics

Type:open center
Valves:3 to 5
Pressure:2250 psi (155.1 bar)
Pump flow:30.8 gpm (116.6 lpm)

Mechanical

Cab:Safari Cab standard with heat and air-conditioning.
Drive:Four-wheel drive
Brakes:Hydraulic dry 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:$50,000 in 1983
Years produced:1976 - 1983

Transmission

Note:Ten-speed transmission with two-speed transfer case.
Model:Dana-Spicer 1010-2A
Clutch:355.6mm hydraulic dry disc
Options:10-speed, 20-speed
10-speed gears:10 forward and 2 reverse
20-speed gears:20 forward and 4 reverse

Tractor hitch

Rear Type:III Optional

Related Models

Steiger Bearcat III ST-220

Model:Bearcat III ST-220

Steiger Cougar III ST-250

Model:Cougar III ST-250