Steiger Bearcat III PT-225

The Steiger Bearcat III PT-225 is a tractor produced by Steiger. It is equipped with a 638 ci 10.5 L engine. The listed engine power is Diesel (listed): 225 hp / 167.8 kW. Transmission: 20 forward and 4 reverse. Operating weight: 28295 lbs 12834 kg.

Engine Power

Diesel (listed): 225 hp / 167.8 kW

Fuel & Capacities

225 gal 851.6 L

Transmission

20 forward and 4 reverse

Operating Weight

28295 lbs 12834 kg

Overview

	1977 - 1981 III SeriesFour-wheel Drive (4WD) tractor III Series Four-wheel Drive (4WD) tractor

Production
Manufacturer	Steiger
Four-wheel Drive (4WD) tractor
Built in Fargo, North Dakota, USA
Original price was $66,000 in 1982

Variants
ST-225	fixed axle
PT-225	row-crop axle

Steiger Bearcat III PT-225 Engine
Caterpillar 10.5L 6-cyl diesel
Engine details ...

Steiger Bearcat III PT-225 Transmission
20-speed constant mesh
Transmission details ...

Steiger Bearcat III PT-225 Power
Engine	225 hp 167.8 kW
PTO (claimed)	57 hp (540 RPM) 42.5 kW
	105 hp (1000 RPM) 78.3 kW
Drawbar (tested)	172.37 hp 128.5 kW
PTO (tested)	105.69 hp 78.8 kW
Performance test details ...

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

Capacity
Fuel	225 gal 851.6 L
Hydraulic system	22 gal 83.3 L

Hydraulics
Type	open center
Capacity	22 gal 83.3 L
Pressure	2250 psi 155.1 bar
Valves	4 or 5
Pump flow	20 gpm 75.7 lpm

Tractor hitch
Rear Type	III OptOptional

Power Take-off (PTO)
Rear PTO	independent OptOptional
Clutch	hydrostatic-drive
Rear PTO Type	540/1000

Dimensions & Tires
Wheelbase	132.5 inches 336 cm
Weight	28295 lbs 12834 kg
Front tire	18.4-34
Rear tire	18.4-34
Full dimensions and tires ...

Electrical
Ground	negative
Charging system	alternator
Charging amps	90
Charging volts	12
Batteries	4
Battery CCA	475
Battery volts	12

References

Operator's Manual PT225 - PT250 - PT270 -PT350 (37-060) published in 1978

Engine

Engine Detail — 638 ci / 10.5 L Diesel

Manufacturer	Caterpillar 3306T
Configuration	turbocharged diesel, 6-cylinder, liquid-cooled inline
Displacement	638 ci 10.5 L
Bore/Stroke	4.75x6.00 inches 121 x 152 mm
Power	225 hp 167.8 kW
Compression	17.5:1
Rated RPM	2200
Idle RPM	830-2430
Starter volts	12
Oil capacity	32 qts 30.3 L
Coolant capacity	52 qts 49.2 L

Transmission

Transmission — 20 forward and 4 reverse constant mesh

Type	constant mesh
Gears	20 forward and 4 reverse
Clutch	hydraulic cerametallic dry disc
Oil capacity	16 qts*Transmission only 15.1 L
	37 qts*Transmission and transfer case 35.0 L
Five-speed transmission with two ranges and a two-speed transfer case. Tractor must be stopped to shift ranges on transmission or transfer case.
With 18.4x34 tires and S-34 axles.

Dimensions

Steiger Bearcat III PT-225 Tires
Ag front	18.4-34
Ag rear	18.4-34
Ag front	23.1-30
	24.5-32
	30.5-32
	20.8-34
	23.1-34
	18.4-38
	20.8-38
Ag rear	23.1-30
	24.5-32
	30.5-32
	20.8-34
	23.1-34
	18.4-38
	20.8-38

Dimensions
Wheelbase	132.5 inches 336 cm
Length	264.6 inches 672 cm
Width	120.2 inches*Minimum 305 cm
Height (exhaust)	155.7 inches 395 cm
Shipping weight	28295 lbs 12834 kg
Max weight	31000 lbs 14061 kg
Front axle	Raba 598
Raba 598 rear axle

Tests

Nebraska Tractor Test 1272
Diesel 20-speed 4WD April 18 - May 10, 1978 Link: Nebraska Tractor Test 1272 file
PTO performance
Power at rated engine speed	105.69 hp 78.8 kW
Fuel use	11.1 gal/hour 42.0 l/hour
Drawbar performance
Max power	172.37 hp 128.5 kW
Fuel use	14.3 gal/hour 54.1 l/hour
Gear 3LL used for power test.
Max pull	29 lbs 13 kg

Photos

Steiger Bearcat III PT-225

Recommended Implements & Sizing Guide

Engineering recommendations for Steiger Bearcat III PT-225 based on its 225 HP power envelope and ASAE agricultural standards.

Implement & Operation	Recommended Size	Workload Rating	Engineering Notes
Moldboard PlowPrimary Tillage	8+ Bottom On-Land Hitch8+ 铧重型机外牵引犁	Commercial / Field Scale	High horsepower articulated/4WD field plowing.
Rotary Cutter / MowerMowing & Clearing	15 to 20 ft Batwing4.6 - 6.1 m 宽幅折叠翼	Commercial / Field Scale	Large commercial field and roadside mowing operations.
Rotary TillerSeedbed Prep	90 to 120 in Heavy Duty230 - 300 cm 重型旋耕机	Commercial / Field Scale	Deep intensive seedbed preparation for commercial row crops.
Disc HarrowSecondary Tillage	24 to 36 ft Heavy Duty Field Disc7.3 - 11.0 m 超宽重型整地耙	Commercial / Field Scale	Broad-acre grain tillage for high-drawbar tractors.
Hay BalerHay & Forage	Large Square Baler (3x4 or 4x4)大方捆商用打捆机 (1.2x1.2 m)	Commercial / Field Scale	High-capacity commercial forage harvesting (1000 RPM PTO).

Sizing & Soil Condition NoteActual implement sizing varies depending on local soil conditions (heavy clay vs sandy loam), field slope, and operating speed. Heavy tillage implements may require front ballast weights and wheel weights.

Fluids, Capacities & Working Autonomy

Standard fluid requirements, service intervals, and continuous runtime estimates for Steiger Bearcat III PT-225.

Estimated Continuous Field Runtime: 19.2 hrs

Approximately 19.2 hours of continuous field operation at ~75% rated power on a full tank (225 gal / 851.7 L).

Estimated 75% Load Fuel Burn~11.7 gal/hr (44.3 L/hr)

Engine Crankcase Oil

SAE 15W-40 (Heavy Duty Diesel)

Standard Spec: API CK-4 / CJ-4 Heavy Duty

Service Interval: 150 – 250 Hours

Transmission & Hydraulic System

UTTO (Universal Tractor Transmission Oil)

Standard Spec: ISO VG 46 / 68 (Wet Brake & Trans Compatible)

Service Interval: 600 – 1000 Hours

Engine Cooling System

50/50 Ethylene Glycol Pre-mix

Standard Spec: ASTM D6210 / Heavy-Duty OAT Antifreeze

Service Interval: 2 Years / 1500 Hours