| Manufacturer |
Steiger |
| Price |
98,700(USD) |
| Model |
Panther III ST-310 |
| Equipment Type |
Four-wheel Drive 4WD Tractors |
| Factory |
Fargo, North Dakota, USA |
NEBRASKA TRACTOR TEST 1235
| Description |
Diesel 10-speed 4WD April 4 - May 2, 1977 Link: Nebraska Tractor Test 1235 file Drawbar performance Gear 6 used for power test. Gear 3 used for pull test |
| Max power |
246.79hp / 184.0kW |
| Fuel use |
17.7gal/hour / 67.0l/hour |
| Max pull |
26,757lbs / 12136kg |
STEIGER PANTHER III ST-310 POWER
| Engine |
310hp / 231.2kW |
| Drawbar (tested) |
246.79hp / 184.0kW |
ENGINE DETAIL
The Steiger Panther III ST-310 tractor features a robust Cummins NTA-855C engine with a displacement of 14.0L, delivering 310hp at 2100 RPM and a substantial torque of 980 lb-ft at 1400 RPM, ideal for heavy-duty agricultural tasks. Its high compression ratio of 14.1:1 improves fuel efficiency, while the dual paper element air cleaner ensures optimal air filtration, enhancing engine longevity. Maintenance considerations include its 35-quart oil and 63-quart coolant capacities, which require regular checks to prevent overheating and ensure optimal performance in demanding conditions.
| Description |
Cummins NTA-855C turbocharged aftercooled diesel 6-cylinder liquid-cooled inline |
| Displacement |
855ci / 14.0L |
| Bore/Stroke |
5.50x6.00inches / 140x 152 mm |
| Power |
310hp / 231.2kW |
| Air cleaner |
two paper elements |
| Compression |
14.1:1 |
| Rated RPM |
2100 |
| Idle RPM |
830-2260 |
| Torque |
980 lb-ft /1328.9 Nm |
| Torque RPM |
1400 |
| Starter volts |
12 |
| Oil capacity |
35qts / 33.1L |
| Coolant capacity |
63qts / 59.6L |
STEIGER PANTHER III ST-310 ENGINE
The Steiger Panther III ST-310 features a powerful Cummins 14.0L 6-cylinder diesel engine, offering robust torque delivery ideal for heavy tillage and challenging field conditions. Its high horsepower enhances productivity for large-scale farming operations, while the engine's efficiency can lead to lower fuel consumption. However, the tractor's size and weight may present maneuverability challenges in tighter fields and require adequate transport infrastructure.
| Description |
Cummins 14.0L 6-cyl diesel |
TRANSMISSIONS OVERVIEW
The Steiger Panther III ST-310 features a robust transmission system that can be configured for either 10-speed or 20-speed operation, providing flexibility in handling diverse field conditions. This allows for optimized power transfer and improved fuel efficiency, enhancing its performance during heavy-duty tasks. However, operators may face a steeper learning curve due to the complexity of managing multiple gear ratios, necessitating thorough training for effective use.
| Description |
10-speed/20-speed |
TRANSMISSION 1
The Steiger Panther III ST-310, equipped with a Spicer SST 1010 transmission, offers efficient power transfer with 10 forward and 2 reverse gears, facilitating versatility for various agricultural applications. The hydraulic dry disc clutch provides smooth engagement and durability, which can enhance operator comfort during extended use, though it may require more maintenance compared to wet clutches. Ideal for heavy tilling or pulling operations, this tractor's robust transmission and clutch system can optimize field productivity in demanding conditions.
| Transmission |
Spicer SST 1010 |
| Gears |
10 forward and 2 reverse |
| Clutch |
hydraulic dry discs |
TRANSMISSION 2
The Steiger Panther III ST-310 features a Dana-Spicer 1010-3B ten-speed transmission with a two-speed transfer case, offering 20 forward and 4 reverse gears. This configuration provides enhanced flexibility and torque management, making it well-suited for heavy-duty tasks and varied terrain applications. However, the complexity of the transmission may require more frequent maintenance checks to ensure optimal performance.
| Transmission |
Dana-Spicer 1010-3B |
| Gears |
20 forward and 4 reverse |
| Description |
Ten-speed transmission with two-speed transfer case. |
MECHANICAL
The Steiger Panther III ST-310 features a 4x4 articulated chassis with outboard planetary final drives, enhancing traction and maneuverability in challenging terrains. Its hydrostatic power steering allows for precise control, while hydraulic disc brakes ensure consistent stopping power, even under heavy load. With a 10-speed or optional 20-speed transmission and a climate-controlled Safari Cab, this tractor is well-suited for diverse agricultural tasks, providing comfort and efficiency in the field.
| Chassis |
4x4 articulated 4WD |
| Final drives |
outboard planetary |
| Steering |
hydrostatic power |
| Brakes |
hydraulic disc |
| Cab |
Safari Cab standard with heat and air-conditioning. |
| Transmissions |
10-speed/20-speed |
CAPACITY
| Fuel |
267gal / 1010.6L |
| Hydraulic system |
33gal / 124.9L |
HYDRAULICS
| Type |
open center |
| Capacity |
33gal / 124.9L |
| Pressure |
2250psi / 155.1bar |
| Valves |
3 to 5 |
| Pump flow |
28.6gpm / 108.3lpm |
TRACTOR HITCH
STEIGER PANTHER III ST-310 TIRES
The Steiger Panther III ST-310 features large 23.1-34 agricultural tires, providing enhanced flotation and traction, especially in soft or uneven terrain. This tire size contributes to reduced soil compaction, making it advantageous for planting and tillage operations. However, maneuverability could be a challenge in tighter spaces due to the substantial width, so it’s best suited for large-scale farming applications.
| Ag front |
23.1-34 |
| Ag rear |
23.1-34 |
DIMENSIONS
| Wheelbase |
128inches / 325cm |
| Length |
252inches / 640cm |
| Width |
96inches / 243cm (tractor body) |
| Height (exhaust) |
155.8inches / 395cm |
| Shipping weight |
26,700lbs / 12111kg |
| Max weight |
34,000lbs / 15422kg |
| Front axle |
Raba 598 |
| Rear axle |
Raba 598 |
DIMENSIONS & TIRES
The Steiger Panther III ST-310 features a 128-inch wheelbase, providing stability during heavy duty operations, ideal for rugged terrain. Weighing 26,700 lbs, its mass enhances traction, especially with dual 23.1-34 tires optimizing ground contact for better performance in plowing or tilling scenarios. However, the weight may limit mobility in soft soils, necessitating careful operational planning in wet conditions.
| Wheelbase |
128inches / 325cm |
| Weight |
26,700lbs / 12111kg |
| Front tire |
23.1-34 |
| Rear tire |
23.1-34 |
PANTHER III ST-310 SERIAL NUMBERS
| 1976 |
107-00001 |
| 1977 |
107-00314 |
| 1978 |
107-00463 |
| 1979 |
107-00612 |
| 1980 |
107-00887 |
| 1981 |
107-01079 |
| 1982 |
107-01501 |
| 1983 |
107-02501 |
ELECTRICAL
| Ground |
negative |
| Charging system |
alternator |
| Charging amps |
90 |
| Batteries |
2 |
| Battery volts |
12 |
| Battery AH |
208 |
| Battery Group |
8D |
