Tractor · 1976Unverified
Steiger Cougar III ST-250
Steiger Cougar III ST-250 — III Series · 250 hp. Reference specifications; pending source verification.
Provisional listing — the headline figure is shown; full specifications are auto-generated and pending verification against published sources.
Rated power
250 hp
Max power
150.6 kW
Weight
11340 kg
Hover a source tag to verify
Overview
ManufacturerSteigerReference
Four-wheel Drive (4WD) tractorReference
Built in Fargo, North Dakota, USAReference
Original price was $50,000 in 1983Reference
Four-wheel driveReference
Final drivesoutboard planetaryReference
Articulated power steeringReference
Hydraulic dry disc brakesReference
Safari Cab standard with heat and air-conditioning.Reference
Engine
Caterpillar 10.5L 6-cyl dieselReference
Fuel tank1010.6 LReference
Engine186.4 kWReference
Drawbar (claimed)156.6 kWReference
Drawbar (tested)160.0 kWReference
Caterpillar 3306DITAReference
turbocharged aftercooled dieselReference
6-cylinderReference
liquid-cooled inlineReference
Displacement10.5 LReference
Bore/Stroke121 x 152 mmReference
Power186.4 kWReference
Air cleanertwo paper elementsReference
Compression15:1Reference
Rated RPM2100Reference
Torque1166.2 NmReference
Torque RPM1300Reference
StarterelectricReference
Starter volts12Reference
Oil capacity27.4 LReference
Coolant capacity53.0 LReference
Max power150.6 kWReference
Max power160.0 kWReference
Transmission
10-speedReference
20-speedReference
Gears10 forward and 2 reverseReference
TransmissionDana-Spicer 1010-2AReference
Gears20 forward and 4 reverseReference
Clutch355.6mm hydraulic dry discReference
Ten-speed transmission with two-speed transfer case.Reference
PTO & Hydraulics
Typeopen centerReference
Pressure155.1 barReference
Valves3 to 5Reference
Pump flow116.6 lpmReference
Rear TypeIIIReference
Dimensions
Wheelbase325 cmReference
Weight11340 kgReference
Front tire23.1-34Reference
Rear tire23.1-34Reference
Ag front23.1-34Reference
Ag rear23.1-34Reference
Length640 cmReference
Width243 cmReference
Height (exhaust)395 cmReference
Shipping weight11340 kgReference
Max weight15422 kgReference
Electrical
GroundnegativeReference
Charging systemalternatorReference
Charging amps90Reference
Battery volts12Reference
Test results
NTTL 1239: 2200rpm diesel 10-speed 4WDReference
NTTL 1452: 2100rpm diesel 20-speed 4WDReference
2200rpm diesel 10-speed 4WDApril 21 - May 2, 1977Link: Nebraska Tractor Test 1239 fileReference
Drawbar performanceReference
Fuel use60.2 l/hourReference
Gear 6 used for power test.Reference
Max pull12071 kgReference
Gear 2 used for pull test.Reference
2100rpm diesel 20-speed 4WD9/21/1982Link: Nebraska Tractor Test 1452 fileReference
Fuel use50.7 l/hourReference
Gear 11 used for power test.Reference
Max pull13398 kgReference
Gear 4 used for pull test.Reference
Values normalized to UK metric units. Every figure is traced to at least one source; verified specs are cross-checked against two or more.