steiger cougar iii st 251
![]()  | 1976 - 1982
III SeriesFour-wheel Drive (4WD) tractor  | 1976 - 1982  | III Series  | Four-wheel Drive (4WD) tractor  | 
|---|---|---|---|---|
1976 - 1982  | ||||
III Series  | ||||
Four-wheel Drive (4WD) tractor  | ||||
1976 - 1982  | |
|---|---|
III Series  | |
Four-wheel Drive (4WD) tractor  | 
Production  | |
|---|---|
Manufacturer  | Steiger  | 
Four-wheel Drive (4WD) tractor  | |
Built in Fargo, North Dakota, USA  | |
Original price was $75,000 in 1982  | |
Steiger Cougar III ST-251 Engine  | |
|---|---|
Cummins 14.0L 6-cyl diesel  | |
Engine details ...  | 
Steiger Cougar III ST-251 Transmissions  | |
|---|---|
10-speed  | |
20-speed  | |
Transmission details ...  | 
Steiger Cougar III ST-251 Power  | |
|---|---|
Engine  | 250 hp
186.4 kW  | 
Drawbar (claimed)  | 206 hp
153.6 kW  | 
Drawbar (tested)  | 199.04 hp
148.4 kW  | 
Performance test details ...  | |
Mechanical  | |
|---|---|
Four-wheel drive  | |
Final drives  | outboard planetary  | 
Articulated power  steering  | |
Hydraulic disc brakes  | |
Safari Cab standard with heat and air-conditioning.  | |
Photos  | |
|---|---|
![]()  | |
Steiger Cougar III ST-251 photos...  | 
Capacity  | |
|---|---|
Fuel  | 267 gal
1010.6 L  | 
Hydraulic system  | 33 gal
124.9 L  | 
Hydraulics  | |
|---|---|
Type  | open center  | 
Capacity  | 33 gal
124.9 L  | 
Pressure  | 2250 psi
155.1 bar  | 
Valves  | 4  | 
Pump flow  | 30.8 gpm
116.6 lpm  | 
Tractor hitch  | |
|---|---|
Rear Type  | III OptOptional  | 
Dimensions & Tires  | |
|---|---|
Wheelbase  | 128 inches
325 cm  | 
Weight  | 26610 lbs
12070 kg  | 
Front tire  | 23.1-34  | 
Rear tire  | 23.1-34  | 
Full dimensions and tires ...  | |
Cougar III ST-251 Serial Numbers  | |
|---|---|
1976  | 106-00001  | 
1977  | 106-00166  | 
1978  | 106-00256  | 
1979  | 106-00370  | 
1980  | 106-00737  | 
1981  | 106-01055  | 
1982  | 106-01501  | 
FAQ: How to read a serial number table.  | |
Electrical  | |
|---|---|
Ground  | negative  | 
Charging system  | alternator  | 
Charging amps  | 90  | 
Batteries  | 2  | 
Battery volts  | 12  | 
Battery AH  | 208  | 
Battery Group  | 8D  | 
References  | |
|---|---|
![]()  | |
ST Tractors - Cummins Powered Series III Cougar ST 251, Panther ST 310 and Panther ST 350 published in 1979, by Steiger  | |
Series III published in 1976, by Steiger  | 
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