Steiger

Steiger Panther III PT-350

The Steiger Panther III PT-350 is a four-wheel drive (4WD) tractor produced by Steiger from 1977 to 1981 as part of the III Series. It was built in Fargo, North Dakota, USA, and originally sold for $95,000 in 1981. It features a powerful Cummins VT903 turbocharged 14.8L V-8 diesel engine producing 350 hp (261 kW). The tractor has a 20-speed constant mesh transmission with 4 reverse gears and a hydraulic cerametallic dry disc clutch. It includes articulated power steering, hydraulic disc brakes, and a Safari Cab with air-conditioning as standard. The hydraulic system is open center with a 22-gallon capacity and 2250 psi pressure. The tractor has a rear PTO with independent hydrostatic-drive clutch and 540/1000 RPM options. Dimensions include a 132.5 inch wheelbase, 264.6 inch length, and 120.2 inch minimum width. It weighs 29,668 lbs shipping weight and can handle up to 34,000 lbs max weight. Tires come in various agricultural sizes for front and rear. Electrical system is 12 volts with 4 batteries and a 90 amp alternator.
Power350 hp
Founded1977 - 1981
ModelPanther III PT-350

Technical Specifications

Detailed specifications and technical data for Steiger Panther III PT-350

Power
Engine power350 hp (261.0 kW)
PTO (claimed)105 hp (1000 RPM) (78.3 kW)
Tires
Ag rear20.8-34, 23.1-30, 24.5-32, 30.5-32, 18.4-34, 23.1-34, 18.4-38, 20.8-38
Ag front20.8-34, 23.1-30, 24.5-32, 30.5-32, 18.4-34, 23.1-34, 18.4-38, 20.8-38
Engine
Typeturbocharged diesel
ModelCummins VT903
Power350 hp (261.0 kW)
Idle RPM830-2960
Cylinders8-cylinder
Rated RPM2600
Bore/Stroke5.50x4.75 inches (140 x 121 mm)
Displacement903 ci (14.8 L)
Oil capacity38 qts (36.0 L)
Configurationliquid-cooled V-8
Starter volts12
Coolant capacity60 qts (56.8 L)
Compression ratio15.5:1
Capacity
Fuel225 gal (851.6 L)
Hydraulic system22 gal (83.3 L)
Dimensions
Width120.2 inches Minimum (305 cm)
Length264.6 inches (672 cm)
Rear axleSteiger S-34
Wheelbase132.5 inches (336 cm)
Front axleSteiger S-34
Max weight34000 lbs (15422 kg)
Shipping weight29668 lbs (13457 kg)
Height (exhaust)155.7 inches (395 cm)
Electrical
Groundnegative
Batteries4
Battery CCA475
Battery volts12
Charging amps90
Charging volts12
Charging systemalternator
Hydraulics
Typeopen center
Valves4 or 5
Capacity22 gal (83.3 L)
Pressure2250 psi (155.1 bar)
Pump flow20 gpm (75.7 lpm)
Mechanical
CabSafari Cab standard with air-conditioning
DriveFour-wheel drive
BrakesHydraulic disc brakes
SteeringArticulated power steering
Final drivesoutboard planetary
Production
SeriesIII Series
Built inFargo, North Dakota, USA
Drive typeFour-wheel Drive (4WD) tractor
Years made1977 - 1981
Original price$95,000 in 1981
References
Operator's ManualPT225 - PT250 - PT270 -PT350 (37-060) published in 1978
Transmission
Typeconstant mesh
Gears20 forward and 4 reverse
Clutchhydraulic cerametallic dry disc
DescriptionFive-speed transmission with two ranges and a two-speed transfer case. Tractor must be stopped to shift ranges on transmission or transfer case.
Oil capacity (transmission only)16 qts (15.1 L)
Oil capacity (transmission and transfer case)37 qts (35.0 L)
Tractor hitch
Rear TypeIII Optional
Serial Numbers
1977140-00001
1978140-00023
1979140-00059
1980140-00062
1981140-00075
Power Take-off (PTO)
Clutchhydrostatic-drive
Rear PTOindependent Optional
Rear PTO Type540/1000