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Tractor · 1977Unverified

Steiger Bearcat III PT-225

Name: Steiger Bearcat III PT-225
Brand: Steiger

Steiger Bearcat III PT-225 — III Series · 106 hp. Reference specifications; pending source verification.

The Steiger Bearcat III PT-225 is a tractor model with an output of approximately 106 hp, a mid-range rating for its class. It was in production from 1977 to 1981. The tractor is powered by a 6-cylinder turbocharged diesel liquid-cooled engine, paired with four-wheel drive and a hydrostatic transmission. Its listed operating weight is 12834 kg, making it suitable for operations spanning 200–800 acres.

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

Rated power

106 hp

Max power

128.5 kW

Weight

12834 kg

Catalogue coverage

Variants represented

Richest spec table

98 rows

Recorded power

106 hp

Recorded weight

12834 kg

Transmissions

20-speed constant mesh

Production years

1977-1981

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

Original price was $66,000 in 1982Reference

Four-wheel driveReference

Final drivesoutboard planetaryReference

Articulated power steeringReference

Hydraulic disc brakesReference

Safari Cab standard with air-conditioning.Reference

Variants

ST-225fixed axleReference

PT-225row-crop axleReference

Engine

Caterpillar 10.5L 6-cyl dieselReference

Engine167.8 kWReference

Drawbar (tested)128.5 kWReference

Caterpillar 3306TReference

turbocharged dieselReference

6-cylinderReference

liquid-cooled inlineReference

Displacement10.5 LReference

Bore/Stroke121 x 152 mmReference

Power167.8 kWReference

Compression17.5:1Reference

Rated RPM2200Reference

Idle RPM830-2430Reference

Starter volts12Reference

Oil capacity30.3 LReference

Coolant capacity49.2 LReference

Power at rated engine speed78.8 kWReference

Max power128.5 kWReference

Transmission

20-speed constant meshReference

Typeconstant meshReference

Gears20 forward and 4 reverseReference

Clutchhydraulic cerametallic dry discReference

Oil capacity15.1 LReference

Oil capacity35.0 LReference

Five-speed transmission with two ranges and a two-speed transfer case. Tractor must be stopped to shift ranges on transmission or transfer case.Reference

PTO & Hydraulics

PTO (claimed)42.5 kWReference

PTO (claimed)78.3 kWReference

PTO (tested)78.8 kWReference

Hydraulic system83.3 LReference

Typeopen centerReference

Capacity83.3 LReference

Pressure155.1 barReference

Valves4 or 5Reference

Pump flow75.7 lpmReference

Rear TypeIIIReference

Rear PTOindependentReference

Clutchhydrostatic-driveReference

Rear PTO Type540/1000Reference

Capacities

Fuel851.6 LReference

Dimensions

Wheelbase336 cmReference

Weight12834 kgReference

Front tire18.4-34Reference

Rear tire18.4-34Reference

Ag front18.4-34Reference

Ag rear18.4-34Reference

Ag front23.1-30Reference

Ag front24.5-32Reference

Ag front30.5-32Reference

Ag front20.8-34Reference

Ag front23.1-34Reference

Ag front18.4-38Reference

Ag front20.8-38Reference

Ag rear23.1-30Reference

Ag rear24.5-32Reference

Ag rear30.5-32Reference

Ag rear20.8-34Reference

Ag rear23.1-34Reference

Ag rear18.4-38Reference

Ag rear20.8-38Reference

Length672 cmReference

Width305 cmReference

Height (exhaust)395 cmReference

Shipping weight12834 kgReference

Max weight14061 kgReference

Front axleRaba 598Reference

Raba 598 rear axleReference

Bearcat III PT-225 Serial Numbers

1977141-00001Reference

1978141-00157Reference

1979141-00336Reference

1980141-00537Reference

1981141-00651Reference

FAQ: How to read a serial number table.Reference

Electrical

GroundnegativeReference

Charging systemalternatorReference

Charging amps90Reference

Charging volts12Reference

Batteries4Reference

Battery CCA475Reference

Battery volts12Reference

Test results

Diesel 20-speed 4WDApril 18 - May 10, 1978Link: Nebraska Tractor Test 1272 fileReference

PTO performanceReference

Fuel use42.0 l/hourReference

Drawbar performanceReference

Fuel use54.1 l/hourReference

Gear 3LL used for power test.Reference

Max pull13 kgReference

Speeds

With 18.4x34 tires and S-34 axles.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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