Steiger Cougar III ST-250: all source data
All 60 values recorded for this model, as the source lists them and in its units. The spec sheet shows the same data checked, typed and converted.
Overview
Production| Manufacturer | Steiger |
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| (no label) | Four-wheel Drive (4WD) tractor |
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| (no label) | Built in Fargo, North Dakota, USA |
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| (no label) | Original price was $50,000 in 1983 |
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Engine| (no label) | Caterpillar 10.5L 6-cyl diesel |
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| Fuel tank | 267 gal | 1010.6 L |
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Transmission| (no label) | 10-speed |
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| (no label) | 20-speed |
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Power| Engine | 250 hp | 186.4 kW |
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| Drawbar (claimed) | 210 hp | 156.6 kW |
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| Drawbar (tested) | 214.51 hp | 160.0 kW |
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Mechanical| (no label) | Four-wheel drive |
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| Final drives | outboard planetary |
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| (no label) | Articulated power steering |
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| (no label) | Hydraulic dry disc brakes |
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| (no label) | Safari Cab standard with heat and air-conditioning. |
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Hydraulics| Type | open center |
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| Pressure | 2250 psi | 155.1 bar |
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| Valves | 3 to 5 |
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| Pump flow | 30.8 gpm | 116.6 lpm |
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Dimensions| Wheelbase | 128 inches | 325 cm |
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| Weight | 25000 lbs | 11340 kg |
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| Front tire | 23.1-34 |
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| Rear tire | 23.1-34 |
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Electrical| Ground | negative |
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| Charging system | alternator |
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| Charging amps | 90 |
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| Battery volts | 12 |
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Engine
Engine detail| (no label) | Caterpillar 3306DITA |
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| (no label) | turbocharged aftercooled diesel |
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| (no label) | 6-cylinder |
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| (no label) | liquid-cooled inline |
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| Displacement | 638 ci | 10.5 L |
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| Bore/Stroke | 4.75x6.00 inches | 121 x 152 mm |
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| Power | 250 hp | 186.4 kW |
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| Air cleaner | two paper elements |
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| Compression | 15:1 |
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| Rated RPM | 2100 |
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| Torque | 860 lb-ft | 1166.2 Nm |
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| Torque RPM | 1300 |
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| Starter | electric |
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| Starter volts | 12 |
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| Oil capacity | 29 qts | 27.4 L |
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| Coolant capacity (Coolant) | 56 qts | 53.0 L |
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Transmission
Transmission options| (no label) | 10-speed |
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| (no label) | 20-speed |
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Transmission| Gears | 10 forward and 2 reverse |
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| Transmission | Dana-Spicer 1010-2A |
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| Gears | 20 forward and 4 reverse |
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| Clutch | 355.6mm hydraulic dry disc |
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| (no label) | Ten-speed transmission with two-speed transfer case. |
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Dimensions
Tires| Ag front | 23.1-34 |
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| Ag rear | 23.1-34 |
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Dimensions| Wheelbase | 128 inches | 325 cm |
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| Length | 252 inches | 640 cm |
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| Width | 96 inches (tractor body) | 243 cm |
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| Height (exhaust) | 155.8 inches | 395 cm |
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| Shipping weight | 25000 lbs | 11340 kg |
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| Max weight (Max) | 34000 lbs | 15422 kg |
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