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Steiger Tiger III ST-450

Steiger Tiger III ST-450 tractor
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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.
SteigerTiger III ST-450farm tractor470 hpCummins KTA-11504WDtransmissiondimensionshydraulics
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.