Steiger Tiger III ST-450

The Steiger Tiger III ST-450 is a tractor produced by Steiger. It is equipped with a 1150 ci 18.8 L engine. The rated power output is 470 hp 350.5 kW. Transmission: Allison CLT 5965. Operating weight: 45360 lbs 20575 kg.

Overview

	1977 - 1982 Model year 1977-19791980-1982 III SeriesFour-wheel Drive (4WD) tractor
1977 - 1982
Model year 1977-19791980-1982
III Series
Four-wheel Drive (4WD) tractor

Production
Manufacturer	Steiger
Four-wheel Drive (4WD) tractor
Built in Fargo, North Dakota, USA

Steiger Tiger III ST-450 Engine
Cummins 18.8L 6-cyl diesel
Engine details ...

Steiger Tiger III ST-450 Transmission
6-speed full power shift with torque converter
Transmission details ...

Steiger Tiger III ST-450 Power
Engine	470 hp 350.5 kW
Drawbar (tested)	369.76 hp 275.7 kW
Performance test details ...

Mechanical
Four-wheel drive
Final drives	planetary
Articulated power steering
Hydraulic disc brakes
Safari Cab standard with air-conditioning.

Capacity
Fuel	385 gal 1457.2 L
Hydraulic system	48 gal 181.7 L

Hydraulics
Type	open center
Capacity	48 gal 181.7 L
Pressure	2250 psi 155.1 bar
Valves	5
Pump flow	38 gpm 143.8 lpm
SCV flow	25 gpm 94.6 lpm

Dimensions & Tires
Wheelbase	150 inches 381 cm
Weight	45360 lbs 20575 kg
Front tire	30.5x32
Rear tire	30.5x32
Full dimensions and tires ...

Electrical
Ground	negative
Charging system	alternator
Charging amps	90
Batteries	4
Battery CCA	625
Battery volts	12

References
Tiger III ST 450 published in 1979, by Steiger
Series III Panthers and Tigers equipped with Allison Transmissions published in 1979, by Steiger

Engine

Engine Detail — 1150 ci / 18.8 L Diesel

Manufacturer	Cummins KTA-1150
Configuration	turbocharged diesel, 6-cylinder, liquid-cooled inline
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.
Displacement	1150 ci 18.8 L
Bore/Stroke	6.25x6.25 inches 159 x 159 mm
Power	470 hp 350.5 kW
Compression	15.5:1
Rated RPM	1700 *The KTA-1150 was rated at 1700 and 2100 RPM
Idle RPM	650-2350
Torque	1580 lb-ft 2142.5 Nm
Torque RPM	1500
Starter volts	24
Oil capacity	76 qts 71.9 L
Coolant capacity	112 qts 106.0 L

Transmission

Transmission — Allison CLT 5965

Transmission	Allison CLT 5965
Type	full power shift with torque converter
Gears	6 forward and 1 reverse
Power shift six-speed transmission with locking torque converter. Torque converter automatically locks when transmission side reaches 1700 RPM.

Steiger Tiger III ST-450 Transmission

Dimensions

Steiger Tiger III ST-450 Tires
Ag front	30.5x32
Ag rear	30.5x32

Dimensions
Wheelbase	150 inches 381 cm
Length	289 inches 734 cm
Width	47 inches (Frame) 119 cm
	60 inches (Cab) 152 cm
	96 inches (Fenders) 243 cm
	190.8 inches (Outer tires) 484 cm
Height (exhaust)	161 inches 408 cm
Weight	45360 lbs 20575 kg
Max weight	50000 lbs 22680 kg
Front axle	Raba K594
Raba K594 rear axle

Tests

Nebraska Tractor Test 1282
Diesel 6-speed 4WD July 6 - 13, 1978 Link: Nebraska Tractor Test 1282 file
Drawbar performance
Max power	369.76 hp 275.7 kW
Fuel use	23.7 gal/hour 89.7 l/hour
Gear 3 used for power test.
Max pull	42715 lbs 19375 kg
Gear 1 used for pull test.

Photos

Steiger Tiger III ST-450