Steiger Cougar III ST-251
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| 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. | |
| 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 | |
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| 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 |
| Page information | |
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| Peter Easterlund - owner/author | |
| Email: Peter@TractorData.com | |
| Updated on February 9, 2024 |