Challenger
Challenger 75
The Challenger 75 is an agricultural crawler tractor produced from 1991 to 1992 by Challenger, a part of Caterpillar. It features a Caterpillar 10.3L turbocharged 6-cylinder diesel engine producing 325 hp, with a 10-speed full power shift transmission. The tractor has hydrostatic differential steering, hydraulic caliper disc brakes, and a standard cab. It uses 27.5-inch tracks and has an operating weight of 34,370 lbs. The hydraulic system is closed with 4 valves and a 26 gpm pump flow. The rear hitch supports types III and IV, and the rear PTO is 1000 rpm.
Power325 hp
Founded1991 - 1992
Model75
Technical Specifications
Detailed specifications and technical data for Challenger 75
Power
| Engine | 325 hp (242.4 kW) |
|---|---|
| PTO (tested) | 301.85 hp (225.1 kW) |
| PTO (claimed) | 281 hp (209.5 kW) |
| Drawbar (tested) | 251.01 hp (187.2 kW) |
| Drawbar (claimed) | 260 hp (193.9 kW) |
Engine
| Model | Caterpillar 10.3L 6-cyl diesel |
|---|---|
| Power | 325 hp (242.4 kW) |
| Details | turbocharged diesel, 6-cylinder, liquid-cooled |
| Fuel tank | 220 gal (832.7 L) |
| Rated RPM | 2100 |
| Bore/Stroke | 4.92x5.5 inches (125 x 140 mm) |
| Compression | 16:1 |
| Displacement | 629 ci (10.3 L) |
| Starter volts | 12 |
| Coolant capacity | 44 qts (41.6 L) |
Tracks
| Width | 27.5 inches (69 cm) |
|---|---|
| Other widths | 24.5 inches (62 cm), 35.5 inches (90 cm) |
| Area on ground | 5898 in² (3.8 m²) |
| Ground pressure | 5.4 psi (0.4 bar) |
| Length on ground | 107 inches (271 cm) |
Dimensions
| Wheelbase | 106 inches (269 cm) |
|---|---|
| Operating weight | 34,370 lbs (15590 kg) |
Hydraulics
| Type | closed |
|---|---|
| Valves | 4 |
| Pump flow | 26 gpm (98.4 lpm) |
Mechanical
| Cab | standard |
|---|---|
| Drive | crawler |
| Brakes | Hydraulic caliper disc brakes |
| Steering | hydrostatic differential steering |
Production
| Type | Agricultural Crawler tractor |
|---|---|
| Years made | 1991 - 1992 |
Transmission
| Type | full power shift |
|---|---|
| Gears | 10 forward and 2 reverse |
Tractor hitch
| Rear Type | III,IV |
|---|
Power Take-off (PTO)
| Rear PTO Type | 1000 |
|---|