Production
| Description | Built in Fargo, North Dakota, USA |
|---|---|
| Drive type | Four-wheel Drive (4WD) tractor |
| Manufacturer | Steiger |
Engine
| Engine type | Caterpillar 10.5L 6-cyl diesel |
|---|---|
| Fuel tank | 267 gal (1010.6 L) |
| Bore/Stroke | 4.75x6.00 inches (121 x 152 mm) |
| Coolant capacity | 56 qts (53.0 L) |
| Description | Caterpillar 3306 / turbocharged aftercooled diesel / 6-cylinder / liquid-cooled inline |
| Displacement | 638 ci (10.5 L) |
| Oil capacity | 29 qts (27.4 L) |
| Operating RPM | 1700-2100 |
| Power | 250 hp (186.4 kW) |
| Rated RPM | 2100 |
| Starter type | electric |
| Torque | 860 lb-ft (1166.2 Nm) |
| Torque RPM | 1300 |
| Drawbar (claimed) | 218 hp (162.6 kW) |
| Drawbar (tested) | 211.20 hp (157.5 kW) |
Transmission
| Gears | 20 forward and 4 reverse |
|---|---|
| Transmission type | 20-speed gear |
| Type | gear |
Mechanical
| Cab | Steiger Safari Cab standard with air-conditioning. |
|---|---|
| Description | Articulated power steering / Hydraulic disc brakes |
| Drive type | Four-wheel drive |
| Final drives | outboard planetary |
Hydraulics
| Pressure | 2250 psi (155.1 bar) |
|---|---|
| Pump flow | 31 gpm (117.3 lpm) |
| Type | open center |
| Valves | 3 to 5 |
Hitch
| Rear Type | III OptOptional |
|---|
Electrical
| Batteries | 3 |
|---|---|
| Battery volts | 12 |
| Charging amps | 90 |
| Charging system | alternator |
Dimensions & Tires
| Length | 253.6 inches (644 cm) |
|---|---|
| Max weight | 34000 lbs (15422 kg) |
| Shipping weight | 25011 lbs (11344 kg) |
| Wheelbase | 129 inches (327 cm) |
| Width | 96 inches*Width over fenders. (243 cm) |
| Front tire | 18.4x38 |
| Rear tire | 18.4x38 |
| Weight | 25011 lbs (11344 kg) |
| Wheelbase | 129 inches (327 cm) |
| Ag front | 18.4x38 / 20.8x34 |
| Ag rear | 18.4x38 / 20.8x34 |
Nebraska Tractor Test 1452
| Description | Diesel 20-speed 4WDSeptember 21 - October 1, 1982Link: Nebraska Tractor Test 1452 file / Drawbar performance / Gear 11 used for power test. / Gear 4 used for pull test. |
|---|---|
| Fuel use | 13.9 gal/hour (52.6 l/hour) |
| Max power | 211.20 hp (157.5 kW) |
| Max pull | 29539 lbs (13398 kg) |
References
| Description | Cougar IV published in 1983, by Steiger / The Steiger Line published in 1983 |
|---|
Speeds
| Description | With 18.4x38 tires. |
|---|
Steiger Cougar IV CM-250 Height
| Cab | 134.8 inches (342 cm) |
|---|---|
| Exhaust | 155.8 inches (395 cm) |