Challenger 75
Power
325 hp
Production
1991-1992
Engine
Turbocharged diesel, 6-cylinder
Transmission
Full power shift
From the same series:
Introduction
Challenger 75 Agricultural Crawler Tractor
The Challenger 75 is a heavy-duty agricultural crawler tractor manufactured by Caterpillar, produced between 1991 and 1992. Designed for high-draft applications, this machine utilizes a tracked undercarriage system to maximize traction and minimize soil compaction in demanding field conditions.
Engine and Performance
The tractor is powered by a 6-cylinder Caterpillar turbocharged diesel engine with a displacement of 10.3 liters (629 cubic inches). It delivers a rated power of 325 hp (242.4 kW) at 2100 engine RPM. The engine features a liquid-cooling system with a 41.6-liter capacity and operates at a 16:1 compression ratio.
Transmission and Steering
Power is transmitted through a full power shift transmission offering 10 forward gears and 2 reverse gears, allowing for on-the-go shifting under load. Steering is achieved via a hydrostatic differential system, which provides precise control over the crawler tracks, complemented by hydraulic caliper disc brakes for stopping performance.
Hydraulics and Hitch
The machine is equipped with a closed-center hydraulic system featuring four valves and a pump flow rate of 26 gpm (98.4 lpm). The rear hitch supports category III and IV implements, ensuring compatibility with heavy-duty agricultural equipment. The rear PTO operates at a standard 1000 RPM.
Undercarriage and Dimensions
The Challenger 75 weighs 34,370 lbs (15,590 kg) and rests on 27.5-inch wide tracks. It features a wheelbase of 106 inches (269 cm). This configuration is designed to distribute the machine's substantial mass over a larger surface area, providing high flotation and pulling capacity.
Conclusion
The Challenger 75 is engineered for intensive agricultural operations that require significant drawbar pull and stability. Its combination of a powerful Caterpillar engine, robust tracked design, and high-capacity hydraulic system makes it suitable for large-scale tillage and heavy implement work.
Production Information of Challenger, 75
- Agricultural Crawler tractor
| Manufacturer | Challenger (a part of Caterpillar) |
|---|
Engine Specifications of Challenger, 75
- Caterpillar
- Liquid-cooled
- Turbocharged diesel
- 6-cylinder
| Coolant capacity | 44 qts [41.6 L] |
|---|---|
| Displacement | 629 ci [10.3 L] |
| Compression | 16:1 |
| Bore/Stroke | 4.92x5.5 inches [125 x 140 mm] |
| Starter volts | 12 |
| Rated RPM | 2100 |
| Power | 325 hp [242.4 kW] |
Transmission Information of Challenger, 75
Transmission variants 1
| Type | Full power shift |
|---|---|
| Gears | 10 forward and 2 reverse |
Mechanical Specs of Challenger, 75
- Cab standard
- Hydraulic caliper disc brakes
| Drive | Crawler |
|---|---|
| Steering | Hydrostatic differential steering |
Power Information of Challenger, 75
| Rear PTO Type | 1000 |
|---|
Hydraulics Specifications of Challenger, 75
| Type | Closed |
|---|---|
| Valves | 4 |
| Pump flow | 26 gpm [98.4 lpm] |
Three-Point Hitch of Challenger, 75
| Rear Type | III,IV |
|---|
Where it sits
With 325 HP, the Challenger 75 sits just above 65 (270 HP) in Challenger's range. Its power puts it in the 98th percentile of 1990s models in our database (2097 machines).
Frequently asked questions
How much horsepower does the Challenger 75 have?
The Challenger 75 delivers 325 HP.
What years was the Challenger 75 produced?
The Challenger 75 was produced in 1991-1992.
What engine does the Challenger 75 have?
The Challenger 75 is powered by a Turbocharged diesel, 6-cylinder engine.
What transmission does the Challenger 75 use?
The Challenger 75 uses a Full power shift transmission.