Steiger

Steiger Panther III ST-350

The Steiger Panther III ST-350 is a four-wheel drive farm tractor produced by Steiger from 1977 to 1981. It features a powerful Cummins VT-903 turbocharged 8-cylinder diesel engine with 350 hp, advanced mechanical features including articulated power steering and hydraulic disc brakes, and a Safari Cab with heat and air-conditioning. The tractor offers 10-speed and 20-speed Spicer SST 1010 transmissions, a large fuel and hydraulic capacity, and robust dimensions suitable for heavy-duty farming tasks.
Power350 hp
Founded1977 - 1981
ModelPanther III ST-350

Technical Specifications

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

Power
Engine power350 hp (261.0 kW)
Drawbar (claimed)311 hp (231.9 kW)
Tires
Ag rear20.8-34
Ag front20.8-34
Rear tire20.8-34
Front tire20.8-34
Engine
Typeturbocharged diesel
ModelCummins VT-903
Power350 hp (261.0 kW)
Torque848 lb-ft (1149.9 Nm)
Coolingliquid-cooled
Idle RPM830-2860
Cylinders8-cylinder
Rated RPM2600
Torque RPM1800
Bore/Stroke5.50x4.75 inches (140 x 121 mm)
Displacement903 ci (14.8 L)
Oil capacity38 qts (36.0 L)
Starter volts12
Coolant capacity68 qts (64.4 L)
Compression ratio15.5:1
Capacity
Fuel267 gal (1010.6 L)
Hydraulic system33 gal (124.9 L)
Dimensions
Width96 inches (tractor body) (243 cm)
Length252 inches (640 cm)
Rear axleRaba 598
Wheelbase128 inches (325 cm)
Front axleRaba 598
Max weight34000 lbs (15422 kg)
Shipping weight26700 lbs (12111 kg)
Height (exhaust)155.8 inches (395 cm)
Electrical
Groundnegative
Batteries2
Battery AH208
Battery Group8D
Battery volts12
Charging amps90
Charging systemalternator
Hydraulics
Typeopen center
Valves4
Capacity33 gal (124.9 L)
Pressure2250 psi (155.1 bar)
Pump flow30.1 gpm (113.9 lpm)
Mechanical
CabSafari Cab standard with heat and 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
Original price$94,700 in 1981
Years produced1977 - 1981
Transmission
ModelSpicer SST 1010
NotesTen-speed transmission with two-speed transfer case.
Options10-speed, 20-speed
10-speed gears10 forward and 2 reverse
20-speed gears20 forward and 4 reverse
10-speed clutchhydraulic dry discs
20-speed clutch394mm dry disc
Tractor hitch
Rear TypeIII Optional