Wikitractor

Steiger Cougar III ST-251

Production ended · 4WD

Engine power

250 hp

Weight
26,610 lb
Engines
1 Diesel
Built
no record
Price new · 1982
$75,000

Power

Engine250 hp unspecified
PTOno record
Drawbar206 hp claimed
Drawbar, tested199 hp
Listed power250 hp engine basis

Engines

Cummins 14.0L 6-cyl dieselDiesel · 6 cyl855 ci
Engine details
Cummins 14.0L 6-cyl diesel
Bore × stroke
5.5 in × 6 in
Rated speed
2,100 rpm
Rated power
250 hp
Torque
850 lb·ft at 1,400 rpm
Compression
14.1:1
Aspiration
turbocharged diesel
Cooling
liquid-cooled

Transmissions

Spicer SST 101010F / 2R
20-speed20F / 4R
Transmission notes

20-speed: Ten-speed transmission with two-speed transfer case.

Weight

Weight26,610 lb shipping
Shipping26,610 lb

Dimensions

Wheelbase128 in
Length252 in
Width96 in

Capacities

Fuel tank267 gal
Hydraulic system33 gal

Hydraulics

Systemopen center
Pump flow30.8 gpm
Pressure2,250 psi
Remote valves4

Hitch

Rear hitch categoryIII
Rear lift capacityno record

Chassis

Drive4WD
SteeringArticulated power steering
BrakesHydraulic disc brakes
Final drivesoutboard planetary
CabSafari Cab standard with heat and air-conditioning

Tires

Front23.1-34
Rear23.1-34

Electrical

System voltage12 V
Batteries2
Battery capacity208 Ah
Chargingalternator
Charging output90 A
Groundnegative

Production

Price new$75,000 (1982)
FactoriesFargo, North Dakota, USA
Built bySteiger

Serial numbers

YearFirst serial
1976106-00001
1977106-00166
1978106-00256
1979106-00370
1980106-00737
1981106-01055
1982106-01501

Literature

  • ST Tractors - Cummins Powered Series III Cougar ST 251, Panther ST 310 and Panther ST 350 Steiger, 1979
  • Series III Steiger, 1976