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Tractor · 1977Unverified

Steiger Tiger III ST-450

Name: Steiger Tiger III ST-450
Brand: Steiger

Steiger Tiger III ST-450 — Model year 1977-19791980-1982 · 470 hp. Reference specifications; pending source verification.

The Steiger Tiger III ST-450 is a tractor with a rated power of 470 hp, placing it at the high-power end of its class. It was manufactured between 1977 and 1982. The tractor features a 6-cylinder turbocharged diesel liquid-cooled engine, and four-wheel drive with a powershift transmission. Its operating weight is listed at 20,575 kg.

Provisional listing — the headline figure is shown; full specifications are auto-generated and pending verification against published sources.

Rated power

470 hp

Max power

275.7 kW

Weight

20575 kg

Catalogue coverage

Variants represented

Richest spec table

72 rows

Recorded power

470 hp

Recorded weight

20575 kg

Transmissions

6-speed full power shift with torque converter

Production years

1977-1982

Verified variants

No linked source document is currently displayed; verify critical figures with the manufacturer or dealer.

Hover a source tag to verify

Overview

ManufacturerSteigerReference

Four-wheel Drive (4WD) tractorReference

Built in Fargo, North Dakota, USAReference

Four-wheel driveReference

Final drivesplanetaryReference

Articulated power steeringReference

Hydraulic disc brakesReference

Safari Cab standard with air-conditioning.Reference

Engine

Cummins 18.8L 6-cyl dieselReference

Engine350.5 kWReference

Drawbar (tested)275.7 kWReference

Cummins KTA-1150Reference

turbocharged dieselReference

6-cylinderReference

liquid-cooled inlineReference

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.Reference

Displacement18.8 LReference

Bore/Stroke159 x 159 mmReference

Power350.5 kWReference

Compression15.5:1Reference

Rated RPM1700Reference

Idle RPM650-2350Reference

Torque2142.5 NmReference

Torque RPM1500Reference

Starter volts24Reference

Oil capacity71.9 LReference

Coolant capacity106.0 LReference

Max power275.7 kWReference

Transmission

6-speed full power shift with torque converterReference

TransmissionAllison CLT 5965Reference

Typefull power shift with torque converterReference

Gears6 forward and 1 reverseReference

Power shift six-speed transmission with locking torque converter. Torque converter automatically locks when transmission side reaches 1700 RPM.Reference

Capacities

Fuel1457.2 LReference

PTO & Hydraulics

Hydraulic system181.7 LReference

Typeopen centerReference

Capacity181.7 LReference

Pressure155.1 barReference

Valves5Reference

Pump flow143.8 lpmReference

SCV flow94.6 lpmReference

Dimensions

Wheelbase381 cmReference

Weight20575 kgReference

Front tire30.5x32Reference

Rear tire30.5x32Reference

Ag front30.5x32Reference

Ag rear30.5x32Reference

Length734 cmReference

Width119 cmReference

Width152 cmReference

Width243 cmReference

Width484 cmReference

Height (exhaust)408 cmReference

Max weight22680 kgReference

Front axleRaba K594Reference

Raba K594 rear axleReference

Tiger III ST-450 Serial Numbers

1977130-00001Reference

1978130-00047Reference

1979130-00097Reference

FAQ: How to read a serial number table.Reference

Electrical

GroundnegativeReference

Charging systemalternatorReference

Charging amps90Reference

Batteries4Reference

Battery CCA625Reference

Battery volts12Reference

Test results

Diesel 6-speed 4WDJuly 6 - 13, 1978Link: Nebraska Tractor Test 1282 fileReference

Drawbar performanceReference

Fuel use89.7 l/hourReference

Gear 3 used for power test.Reference

Max pull19375 kgReference

Gear 1 used for pull test.Reference

Values normalized to UK metric units. Every figure is traced to at least one source; verified specs are cross-checked against two or more.

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