Steiger Panther III PT-350

The Steiger Panther III PT-350 is a tractor produced by Steiger. It is equipped with a 903 ci 14.8 L engine. The listed engine power is Diesel (listed): 350 hp / 261.0 kW. Transmission: 20 forward and 4 reverse. Operating weight: 29668 lbs 13457 kg.

Engine Power

Diesel (listed): 350 hp / 261.0 kW

Fuel & Capacities

225 gal 851.6 L

Transmission

20 forward and 4 reverse

Operating Weight

29668 lbs 13457 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 $95,000 in 1981

Steiger Panther III PT-350 Engine
Cummins 14.8L 8-cyl diesel
Engine details ...

Steiger Panther III PT-350 Transmission
20-speed constant mesh
Transmission details ...

Steiger Panther III PT-350 Power
Engine	350 hp 261.0 kW
PTO (claimed)	57 hp (540 RPM) 42.5 kW
	105 hp (1000 RPM) 78.3 kW

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	29668 lbs 13457 kg
Front tire	20.8-34
Rear tire	20.8-34
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 — 903 ci / 14.8 L Diesel

Manufacturer	Cummins VT903
Configuration	turbocharged diesel, 8-cylinder, liquid-cooled V-8
Displacement	903 ci 14.8 L
Bore/Stroke	5.50x4.75 inches 140 x 121 mm
Power	350 hp 261.0 kW
Compression	15.5:1
Rated RPM	2600
Idle RPM	830-2960
Starter volts	12
Oil capacity	38 qts 36.0 L
Coolant capacity	60 qts 56.8 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 20.8x34 tires and S-34 axles.

Dimensions

Steiger Panther III PT-350 Tires
Ag front	20.8-34
Ag rear	20.8-34
Ag front	23.1-30
	24.5-32
	30.5-32
	18.4-34
	23.1-34
	18.4-38
	20.8-38
Ag rear	23.1-30
	24.5-32
	30.5-32
	18.4-34
	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	29668 lbs 13457 kg
Max weight	34000 lbs 15422 kg
Front axle	Steiger S-34
Steiger S-34 rear axle

Photos

Steiger Panther III PT-350 tractor photo

Recommended Implements & Sizing Guide

Engineering recommendations for Steiger Panther III PT-350 based on its 350 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 Panther III PT-350.

Estimated Continuous Field Runtime: 12.4 hrs

Approximately 12.4 hours of continuous field operation at ~75% rated power on a full tank (225 gal / 851.7 L).

Estimated 75% Load Fuel Burn~18.2 gal/hr (68.9 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