Steiger
Steiger Cougar III ST-280
The Steiger Cougar III ST-280 is a four-wheel drive (4WD) tractor produced by Steiger from 1981 to 1983. It belongs to the III Series and was built in Fargo, North Dakota, USA. The tractor features powerful engine options including the Cummins 14.0L 6-cylinder diesel and the Caterpillar 14.6L 6-cylinder diesel, both delivering 280 hp (208.8 kW). It has a Dana-Spicer 1010 transmission with 20 forward and 4 reverse gears, hydraulic dry disc brakes, articulated power steering, and a Safari Cab with heat and air-conditioning. The tractor's fuel tank capacity is 267 gallons (1010.6 L). Dimensions include a 128 inch (325 cm) wheelbase, 252 inch (640 cm) length, and 96 inch (243 cm) width. Operating weight is approximately 30,500 lbs (13,834 kg). The Cougar III ST-280 was originally priced at $89,000 in 1983.
Power280 hp
Founded1981 - 1983
ModelCougar III ST-280
Technical Specifications
Detailed specifications and technical data for Steiger Cougar III ST-280
Power
| Engine power | 280 hp (208.8 kW) |
|---|---|
| Drawbar (tested) | 249.69 hp (186.2 kW) |
Tires
| Ag rear | 18.4x38, 20.8x34, 20.8x38, 23.1-34, 24.5x32, 30.5x32 |
|---|---|
| Ag front | 18.4x38, 20.8x34, 20.8x38, 23.1-34, 24.5x32, 30.5x32 |
| Rear tire | 18.4x38 |
| Front tire | 18.4x38 |
Engine
| Power | 280 hp (208.8 kW) |
|---|---|
| Torque | 920 lb-ft (1247.5 Nm) |
| Fuel tank | 267 gal (1010.6 L) |
| Power Cat | 280 hp (208.8 kW) |
| Rated RPM | 2100 |
| Torque Cat | 945 lb-ft (1281.4 Nm) |
| Torque RPM | 1400 |
| Air cleaner | two paper elements |
| Bore/Stroke | 5.50x6.00 inches (140 x 152 mm) |
| Compression | 14.1:1 |
| Displacement | 855 ci (14.0 L) |
| Oil capacity | 35 qts (33.1 L) |
| Rated RPM Cat | 2100 |
| Starter volts | 12 |
| Engine options | Cummins 14.0L 6-cyl diesel, Caterpillar 14.6L 6-cyl diesel |
| Torque RPM Cat | 1200 |
| Air cleaner Cat | two paper elements |
| Bore/Stroke Cat | 5.40x6.50 inches (137 x 165 mm) |
| Cummins NT-855C | turbocharged diesel, 6-cylinder, liquid-cooled inline |
| Coolant capacity | 61 qts (57.7 L) |
| Displacement Cat | 893 ci (14.6 L) |
| Oil capacity Cat | 36 qts (34.1 L) |
| Starter volts Cat | 12 |
| Caterpillar 3406DIT | turbocharged diesel, 6-cylinder, liquid-cooled inline |
| Coolant capacity Cat | 70 qts (66.2 L) |
Weight
| Operating | 30500 lbs (13834 kg) |
|---|---|
| Cat Shipping | 25900 lbs (11748 kg) |
| Max capacity | 34000 lbs (15422 kg) |
| Cummins Shipping | 25600 lbs (11612 kg) |
Dimensions
| Width | 96 inches (tractor body) (243 cm) |
|---|---|
| Length | 252 inches (640 cm) |
| Wheelbase | 128 inches (325 cm) |
| 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) |
| Cat Pump flow | 31.9 gpm (120.7 lpm) |
| Cummins Pump flow | 28.6 gpm (108.3 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
| Series | III Series |
|---|---|
| Built in | Fargo, North Dakota, USA |
| Drive type | Four-wheel Drive (4WD) tractor |
| Original price | $89,000 in 1983 |
| Years produced | 1981 - 1983 |
Transmission
| Note | Ten-speed transmission with two-speed transfer case. |
|---|---|
| Gears | 20 forward and 4 reverse |
| Clutch | 393.7mm hydraulic dry disc |
| Transmission | Dana-Spicer 1010 |
Tractor hitch
| Rear Type | III Optional |
|---|