Steiger
Steiger Cougar III ST-270
The Steiger Cougar III ST-270 is a four-wheel drive (4WD) tractor produced by Steiger from 1977 to 1981. It is part of the III Series and was built in Fargo, North Dakota, USA. The tractor features a Caterpillar 3306 turbocharged aftercooled 6-cylinder diesel engine with 270 hp (201.3 kW) power output. It offers 10-speed and 20-speed transmission options, articulated power steering, hydraulic disc brakes, and a Safari Cab with heat and air-conditioning. The tractor has a wheelbase of 128 inches (325 cm), a length of 252 inches (640 cm), and a shipping weight of 26250 lbs (11907 kg). It was originally priced at $78,000 in 1981.
Power270 hp
Founded1977 - 1981
ModelCougar III ST-270
Technical Specifications
Detailed specifications and technical data for Steiger Cougar III ST-270
Power
| Engine power | 270 hp (201.3 kW) |
|---|---|
| Drawbar (tested) | 218.74 hp (163.1 kW) |
Tires
| Ag rear | 20.8-38, 18.4-30, 18.4-34, 18.4-38, 20.8-34, 23.1-30, 23.1-34, 24.5-32, 30.5-32 |
|---|---|
| Ag front | 20.8-38, 18.4-30, 18.4-34, 18.4-38, 20.8-34, 23.1-30, 23.1-34, 24.5-32, 30.5-32 |
Engine
| Type | turbocharged aftercooled diesel |
|---|---|
| Model | Caterpillar 3306 |
| Power | 270 hp (201.3 kW) |
| Torque | 775 lb-ft (1050.9 Nm) |
| Cooling | liquid-cooled |
| Starter | electric |
| Idle RPM | 830-2470 |
| Cylinders | 6-cylinder |
| Fuel tank | 267 gal (1010.6 L) |
| Rated RPM | 2200 |
| Torque RPM | 1400 |
| Bore/Stroke | 4.75x6.00 inches (121 x 152 mm) |
| Compression | 17.5:1 |
| Displacement | 638 ci (10.5 L) |
| Oil capacity | 29 qts (27.4 L) |
| Starter volts | 12 |
| Coolant capacity | 56 qts (53.0 L) |
Dimensions
| Width | 96 inches (tractor body) (243 cm) |
|---|---|
| Length | 252 inches (640 cm) |
| Rear axle | Raba 598 |
| Wheelbase | 128 inches (325 cm) |
| Front axle | Raba 598 |
| Max weight | 34000 lbs (15422 kg) |
| Shipping weight | 26250 lbs (11907 kg) |
| Height (exhaust) | 155.8 inches (395 cm) |
| Clearance (rear axle) | 20 inches (50 cm) |
Electrical
| Ground | negative |
|---|---|
| Batteries | 2 |
| Battery AH | 208 |
| Battery Group | 8D |
| Battery volts | 12 |
| Charging amps | 90 |
| Charging system | alternator |
Hydraulics
| Type | open center |
|---|---|
| Valves | 4 |
| Pressure | 2250 psi (155.1 bar) |
| Pump flow | 29.2 gpm (110.5 lpm) |
Mechanical
| Cab | Safari Cab standard with heat and air-conditioning. |
|---|---|
| Drive | Four-wheel drive |
| Brakes | Hydraulic 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 | $78,000 in 1981 |
| Years produced | 1977 - 1981 |
Transmission
| Options | 10-speed, 20-speed |
|---|---|
| 10-speed | Gears10 forward and 2 reverse Clutchhydraulic dry discs DescriptionTen-speed transmission with two-speed transfer case. |
| 20-speed | Gears20 forward and 4 reverse ModelDana-Spicer 1010-3B Clutch356mm dry disc |
Tractor hitch
| Rear Type | III Optional |
|---|
Serial Numbers
| 1977 | 105-00330 |
|---|---|
| 1978 | 105-00477 |
| 1979 | 105-00658 |
| 1980 | 105-00872 |
| 1981 | 105-0100 |