Steiger
Steiger Cougar III ST-250
The Steiger Cougar III ST-250 is a four-wheel drive (4WD) tractor produced by Steiger from 1976 to 1983. It belongs to the III Series and was built in Fargo, North Dakota, USA. The tractor features a powerful Caterpillar 3306DITA turbocharged aftercooled diesel engine with 250 hp (186.4 kW) output. It offers transmission options of 10-speed and 20-speed, with the 20-speed model having 20 forward and 4 reverse gears. The tractor includes articulated power steering, hydraulic dry disc brakes, and a Safari Cab with heat and air-conditioning. It has a wheelbase of 128 inches (325 cm), weighs 25000 lbs (11340 kg) shipping weight, and can reach a max weight of 34000 lbs (15422 kg). The Cougar III ST-250 was originally priced at $50,000 in 1983.
Power250 hp
Founded1976 - 1983
ModelCougar III ST-250
Technical Specifications
Detailed specifications and technical data for Steiger Cougar III ST-250
Power
| Engine power | 250 hp (186.4 kW) |
|---|---|
| Drawbar (tested) | 214.51 hp (160.0 kW) |
| Drawbar (claimed) | 210 hp (156.6 kW) |
Tires
| Rear tire | 23.1-34 |
|---|---|
| Front tire | 23.1-34 |
Engine
| Type | turbocharged aftercooled diesel |
|---|---|
| Model | Caterpillar 3306DITA |
| Power | 250 hp (186.4 kW) |
| Torque | 860 lb-ft (1166.2 Nm) |
| Cooling | liquid-cooled inline |
| Starter | electric |
| Cylinders | 6-cylinder |
| Fuel tank | 267 gal (1010.6 L) |
| Rated RPM | 2100 |
| Torque RPM | 1300 |
| Air cleaner | two paper elements |
| Bore/Stroke | 4.75x6.00 inches (121 x 152 mm) |
| Displacement | 638 ci (10.5 L) |
| Oil capacity | 29 qts (27.4 L) |
| Starter volts | 12 |
| Coolant capacity | 56 qts (53.0 L) |
| Compression ratio | 15:1 |
Dimensions
| Width | 96 inches (tractor body) (243 cm) |
|---|---|
| Length | 252 inches (640 cm) |
| Wheelbase | 128 inches (325 cm) |
| Max weight | 34000 lbs (15422 kg) |
| Shipping weight | 25000 lbs (11340 kg) |
| Height (exhaust) | 155.8 inches (395 cm) |
Electrical
| Ground | negative |
|---|---|
| Battery volts | 12 |
| Charging amps | 90 |
| Charging system | alternator |
Hydraulics
| Type | open center |
|---|---|
| Valves | 3 to 5 |
| Pressure | 2250 psi (155.1 bar) |
| Pump flow | 30.8 gpm (116.6 lpm) |
Mechanical
| Cab | Safari Cab standard with heat and air-conditioning. |
|---|---|
| Drive | Four-wheel drive |
| Brakes | Hydraulic dry disc brakes |
| Steering | Articulated power steering |
| Final drives | outboard planetary |
Production
| Type | Four-wheel Drive (4WD) tractor |
|---|---|
| Series | III Series |
| Built in | Fargo, North Dakota, USA |
| Original price | $50,000 in 1983 |
| Years produced | 1976 - 1983 |
Transmission
| Note | Ten-speed transmission with two-speed transfer case. |
|---|---|
| Model | Dana-Spicer 1010-2A |
| Clutch | 355.6mm hydraulic dry disc |
| Options | 10-speed, 20-speed |
| 10-speed gears | 10 forward and 2 reverse |
| 20-speed gears | 20 forward and 4 reverse |
Tractor hitch
| Rear Type | III Optional |
|---|