| Manufacturer | Steiger |
| Price | - |
| Model | Cougar II ST-300 |
| Equipment Type | Four-wheel Drive 4WD Tractors |
| Factory | Fargo, North Dakota, USA |
STEIGER COUGAR II ST-300 POWER
| Engine | 300hp / 223.7kW |
| Drawbar (claimed) | 227hp / 169.3kW |
ENGINE DETAIL
The Steiger Cougar II ST-300 features a robust Caterpillar 3006T turbocharged diesel engine with a substantial displacement of 10.5L, delivering 300hp at 2200 RPM and an impressive torque of 681 lb-ft at 1550 RPM, ideal for heavy-duty operations like plowing and tilling. Its liquid-cooled system with a 60-quart coolant capacity ensures efficient thermal management during prolonged use, a critical factor for maintaining performance under load. However, the tractor's large size and weight may present challenges in maneuverability in tight spaces or on uneven terrains, which should be considered for specific agricultural applications.
| Description | Caterpillar 3006T turbocharged diesel 6-cylinder liquid-cooled horizontal-shaft inline |
| Displacement | 638ci / 10.5L |
| Bore/Stroke | 4.75x6.00inches / 121x 152mm |
| Power | 300hp / 223.7kW |
| Rated RPM | 2200 |
| Torque | 681lb-ft / 923.4Nm |
| Torque RPM | 1550 |
| Starter volts | 12 |
| Coolant capacity | 60qts / 56.8L |
STEIGER COUGAR II ST-300 ENGINE
The Steiger Cougar II ST-300 is powered by a robust Caterpillar 10.5L 6-cylinder diesel engine, delivering substantial horsepower for heavy-duty agricultural tasks. Its substantial torque output enhances soil tilling and plowing efficiency, but be aware of fuel consumption in high-load scenarios. The tractor’s design prioritizes durability and operational comfort, making it suitable for extensive fieldwork but potentially challenging to maneuver in tight spaces.
| Description | Caterpillar 10.5L 6-cyl diesel |
TRANSMISSION
The Steiger Cougar II ST-300 features a Dana-Spicer ST-1010 transmission with a total of 10 forward and 2 reverse gears, providing versatility in various field operations. The broad gear range enhances torque management and operational efficiency, particularly in heavy-duty applications like plowing and tillage. However, operators may face a learning curve due to the complexity of shifting through multiple gears, especially in precise tasks requiring frequent speed adjustments.
| Transmission | Dana-Spicer ST-1010 |
| Gears | 10 forward and 2 reverse |
SPEEDS
| Description | With 23.1-30 tires |
MECHANICAL
The Steiger Cougar II ST-300 features a robust 4x4 4WD chassis, enhancing traction and stability across diverse terrains, making it ideal for heavy-duty farming applications. Its 10-speed transmission allows for precise speed control, optimizing fuel efficiency and power delivery for various field operations. The standard cab, with available heating and air-conditioning, ensures operator comfort during extended work hours, which is crucial for maintaining productivity in adverse weather conditions.
| Chassis | 4x4 4WD |
| Cab | Cab standard with optional heat and air-conditioning |
| Transmission | 10-speed |
HYDRAULICS
| Type | open center |
| Pump flow | 25gpm / 94.6lpm |
| Steering flow | 18gpm / 68.1lpm |
STEIGER COUGAR II ST-300 TIRES
The Steiger Cougar II ST-300 features oversized 23.1-30 agricultural tires both front and rear, providing enhanced traction and stability on various terrains. Its robust design is ideal for heavy-duty field applications, though it may present challenges in tight maneuvering scenarios due to its larger footprint. A key advantage includes improved floatation in wet conditions, which reduces soil compaction during field operations.
| Ag front | 23.1-30 |
| Ag rear | 23.1-30 |
DIMENSIONS
| Wheelbase | 121.5inches / 308cm |
| Length | 244inches / 619cm |
| Width | 96inches / 243cm *Widith with 23.1-30 tires |
| Height (cab) | 133.25inches / 338cm |
| Weight | 22000lbs / 9979kg |
DIMENSIONS & TIRES
The Steiger Cougar II ST-300 features a wheelbase of 121.5 inches, providing stability for heavy-duty tasks on uneven terrain, suitable for both tilling and hauling. Weighing 22,000 lbs, this tractor offers significant ground penetration and traction, but may present challenges in mobility over softer soils. Equipped with oversized front and rear tires (23.1-30), it enhances flotation and reduces soil compaction, making it ideal for large-scale agricultural operations.
| Wheelbase | 121.5inches / 308cm |
| Weight | 22000lbs / 9979kg |
| Front tire | 23.1-30 |
| Rear tire | 23.1-30 |
COUGAR II ST-300 SERIAL NUMBERS
| 1974 | 20501 |
| 1975 | 20726 |
| 1976 | 21220 |
ELECTRICAL
| Charging system | alternator |
| Charging amps | 62 |
| Battery volts | 12 |