Steiger Cougar III ST-270: all source data
All 82 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 $78,000 in 1981 |
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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 | 270 hp | 201.3 kW |
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| Drawbar (tested) | 218.74 hp | 163.1 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 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 | 4 |
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| Pump flow | 29.2 gpm | 110.5 lpm |
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Dimensions| Wheelbase | 128 inches | 325 cm |
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| Weight | 26250 lbs | 11907 kg |
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| Front tire | 20.8-38 |
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| Rear tire | 20.8-38 |
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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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| Batteries | 2 |
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| Battery volts | 12 |
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| Battery AH | 208 |
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| Battery Group | 8D |
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Engine
Engine detail| (no label) | Caterpillar 3306 |
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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 |
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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 | 270 hp | 201.3 kW |
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| Compression | 17.5:1 |
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| Rated RPM | 2200 |
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| Idle RPM | 830-2470 |
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| Torque | 775 lb-ft | 1050.9 Nm |
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| Torque RPM | 1400 |
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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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| Clutch | hydraulic dry discs |
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| Transmission | Dana-Spicer 1010-3B |
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| Gears | 20 forward and 4 reverse |
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| Clutch | 356mm dry disc |
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| (no label) | Ten-speed transmission with two-speed transfer case. |
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Dimensions
Tires| Ag front | 20.8-38 |
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| Ag rear | 20.8-38 |
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| Ag front | 18.4-30 |
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| Ag front | 18.4-34 |
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| Ag front | 18.4-38 |
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| Ag front | 20.8-34 |
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| Ag front | 23.1-30 |
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| Ag front | 23.1-34 |
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| Ag front | 24.5-32 |
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| Ag front | 30.5-32 |
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| Ag rear | 18.4-30 |
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| Ag rear | 18.4-34 |
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| Ag rear | 18.4-38 |
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| Ag rear | 20.8-34 |
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| Ag rear | 23.1-30 |
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| Ag rear | 23.1-34 |
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| Ag rear | 24.5-32 |
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| Ag rear | 30.5-32 |
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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 | 26250 lbs | 11907 kg |
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| Max weight (Max) | 34000 lbs | 15422 kg |
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| Clearance (rear axle) | 20 inches | 50 cm |
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| Front axle | Raba 598 |
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| (no label) | Raba 598 rear axle |
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