Steiger
Steiger Tiger III ST-450
The Steiger Tiger III ST-450 is a four-wheel drive farm tractor produced by Steiger from 1977 to 1982. It features a powerful 470 hp Cummins KTA-1150 turbocharged diesel engine and a 6-speed full power shift transmission with torque converter. The tractor is equipped with articulated power steering, hydraulic disc brakes, and a Safari Cab with air-conditioning. It has a large fuel capacity of 385 gallons and a hydraulic system capacity of 48 gallons. The Tiger III ST-450 is built for heavy-duty agricultural tasks with a robust planetary final drive and a maximum weight of 50,000 lbs. It rides on large 30.5x32 tires front and rear and has a wheelbase of 150 inches.
Power470 hp
Founded1977 - 1982
ModelTiger III ST-450
Technical Specifications
Detailed specifications and technical data for Steiger Tiger III ST-450
Power
| Engine power | 470 hp (350.5 kW) |
|---|---|
| Drawbar (tested) | 369.76 hp (275.7 kW) |
Tires
| Ag rear | 30.5x32 |
|---|---|
| Ag front | 30.5x32 |
| Rear tire | 30.5x32 |
| Front tire | 30.5x32 |
Engine
| Type | turbocharged diesel |
|---|---|
| Model | Cummins KTA-1150 |
| Notes | The 470 horsepower Cummins engine was available in early versions of the Steiger Tiger III. Later, this version became the ST-470 when the 450 horsepower Caterpillar engine became an option. |
| Power | 470 hp (350.5 kW) |
| Torque | 1580 lb-ft (2142.5 Nm) |
| Cooling | liquid-cooled inline |
| Idle RPM | 650-2350 |
| Cylinders | 6-cylinder |
| Rated RPM | 1700 |
| Torque RPM | 1500 |
| Bore/Stroke | 6.25x6.25 inches (159 x 159 mm) |
| Displacement | 1150 ci (18.8 L) |
| Oil capacity | 76 qts (71.9 L) |
| Starter volts | 24 V |
| Coolant capacity | 112 qts (106.0 L) |
| Compression ratio | 15.5:1 |
Capacity
| Fuel | 385 gal (1457.2 L) |
|---|---|
| Hydraulic system | 48 gal (181.7 L) |
Dimensions
| Width | 47 inches (Frame) (119 cm), 60 inches (Cab) (152 cm), 96 inches (Fenders) (243 cm), 190.8 inches (Outer tires) (484 cm) |
|---|---|
| Length | 289 inches (734 cm) |
| Weight | 45360 lbs (20575 kg) |
| Rear axle | Raba K594 |
| Wheelbase | 150 inches (381 cm) |
| Front axle | Raba K594 |
| Max weight | 50000 lbs (22680 kg) |
| Height (exhaust) | 161 inches (408 cm) |
Electrical
| Ground | negative |
|---|---|
| Batteries | 4 |
| Battery CCA | 625 |
| Battery volts | 12 |
| Charging amps | 90 |
| Charging system | alternator |
Hydraulics
| Type | open center |
|---|---|
| Valves | 5 |
| Capacity | 48 gal (181.7 L) |
| Pressure | 2250 psi (155.1 bar) |
| SCV flow | 25 gpm (94.6 lpm) |
| Pump flow | 38 gpm (143.8 lpm) |
Mechanical
| Cab | Safari Cab standard with air-conditioning |
|---|---|
| Drive | Four-wheel drive |
| Brakes | Hydraulic disc brakes |
| Steering | Articulated power steering |
| Final drives | planetary |
Production
| Series | III Series |
|---|---|
| Built in | Fargo, North Dakota, USA |
| Drive type | Four-wheel Drive (4WD) tractor |
| Years produced | 1977 - 1982 |
Transmission
| Type | full power shift with torque converter |
|---|---|
| Gears | 6 forward and 1 reverse |
| Model | Allison CLT 5965 |
| Notes | Power shift six-speed transmission with locking torque converter. Torque converter automatically locks when transmission side reaches 1700 RPM. |