Overview
The Steiger Panther III ST-325 is a four-wheel drive farm tractor manufactured in Fargo, North Dakota, from 1976 to 1983. It is powered by a 14.6L Caterpillar six-cylinder turbocharged diesel engine rated at 325 horsepower and equipped with a Dana-Spicer 10-speed transmission. Standard features include an articulated power steering system, hydraulic disc brakes, and a Safari Cab with integrated heat and air-conditioning.
Ideal Applications
Tested Drawbar Performance:
According to Nebraska Tractor Test 1236, the unit produced 269.86 hp at the drawbar with a maximum recorded pull of 28,189 lbs while consuming 18.2 gallons of fuel per hour.
High-Capacity Fluid and Fuel Storage:
The tractor is configured for extended operation with a 267-gallon fuel tank, a 70-quart coolant capacity, and a 36-quart engine oil reservoir.
Hydraulic System and Hitch Output:
The open center hydraulic system delivers a pump flow of 31.9 gpm at 2250 psi through three to five valves, supporting an optional Category III rear hitch.
Production
| Description | Built in Fargo, North Dakota, USA / Original price was $103,000 in 1983 |
|---|---|
| Drive type | Four-wheel Drive (4WD) tractor |
| Manufacturer | Steiger |
Engine
| Engine type | Caterpillar 14.6L 6-cyl diesel |
|---|---|
| Fuel tank | 267 gal (1010.6 L) |
| Bore/Stroke | 5.40x6.50 inches (137 x 165 mm) |
| Compression | 14.5:1 |
| Coolant capacity | 70 qts (66.2 L) |
| Description | Caterpillar 3406DIT / turbocharged diesel / 6-cylinder / liquid-cooled inline |
| Displacement | 893 ci (14.6 L) |
| Oil capacity | 36 qts (34.1 L) |
| Power | 325 hp (242.4 kW) |
| Rated RPM | 2100 |
| Starter | electric |
| Starter volts | 12 |
| Torque | 1015 lb-ft (1376.3 Nm) |
| Torque RPM | 1200 |
| Drawbar (tested) | 269.86 hp (201.2 kW) |
Transmission
| Clutch | hydraulic dry discs / 393.7mm dry disc |
|---|---|
| Description | Ten-speed transmission with two-speed transfer case. |
| Gears | 10 forward and 2 reverse / 20 forward and 4 reverse |
| Transmission | Dana-Spicer 1010-3B |
| Transmission type | 10-speed / 20-speed |
| Transmission type | 10-speed / 20-speed |
Mechanical
| Cab | Safari Cab standard with heat and air-conditioning. |
|---|---|
| Description | Articulated power steering / Hydraulic disc brakes |
| Drive type | Four-wheel drive |
| Final drives | outboard planetary |
Hydraulics
| Pressure | 2250 psi (155.1 bar) |
|---|---|
| Pump flow | 31.9 gpm (120.7 lpm) |
| Type | open center |
| Valves | 3 to 5 |
Hitch
| Rear Type | III OptOptional |
|---|
Electrical
| Batteries | 2 |
|---|---|
| Battery AH | 208 |
| Battery Group | 8D |
| Battery volts | 12 |
| Charging amps | 90 |
| Charging system | alternator |
| Ground | negative |
Dimensions & Tires
| Clearance (rear axle) | 20 inches (50 cm) |
|---|---|
| Height (exhaust) | 155.8 inches (395 cm) |
| Length | 252 inches (640 cm) |
| Max weight | 34000 lbs (15422 kg) |
| Shipping weight | 26900 lbs (12201 kg) |
| Wheelbase | 128 inches (325 cm) |
| Width | 96 inches (tractor body) (243 cm) |
| Front tire | 24.5-32 |
| Rear tire | 24.5-32 |
| Weight | 26900 lbs (12201 kg) |
| Wheelbase | 128 inches (325 cm) |
| Ag front | 24.5-32 / 18.4-30 |
| Ag rear | 24.5-32 / 18.4-30 |
Nebraska Tractor Test 1236
| Description | Diesel 10-speed 4WDApril 11 - May 2, 1977Link: Nebraska Tractor Test 1236 file / Drawbar performance / Gear 5 used for power test. / Gear 2 used for pull test. |
|---|---|
| Fuel use | 18.2 gal/hour (68.9 l/hour) |
| Max power | 269.86 hp (201.2 kW) |
| Max pull | 28,189 lbs (12786 kg) |
Panther III ST-325 Serial Numbers
| 1976 | 123-00001 |
|---|---|
| 1977 | 123-00123 |
| 1978 | 123-00370 |
| 1979 | 123-00627 |
| 1980 | 123-00887 |
| 1981 | 123-01124 |
| 1982 | 123-01501 |
| 1983 | 123-02501 |
| Description | FAQ: How to read a serial number table. |
References
| Description | ST Tractors published in 1981, by Steiger / ST Tractors published in 1982, by Steiger / ST Tractors - Caterpillar Powered Series III Cougar ST 270 and Panther ST 325 published in 1979, by Steiger / Series III published in 1976, by Steiger |
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