| Manufacturer |
Challenger |
| Price |
- |
| Model |
75 |
| Equipment Type |
Agricultural Crawler Tractors |
| Factory |
|
OCED TRACTOR TEST 1654 2
| Description |
Diesel 10-speed crawler/October 4 - 11, 1991/Link: OCED Tractor Test 1654 file/PTO performance/Drawbar performance/Gear 3 used for power test./Gear 1 used for pull test. |
| Max power |
251.01 hp/187.2 kW |
| Fuel use |
15.7 gal/hour/59.4 l/hour |
| Power at rated engine speed |
281.36 hp/209.8 kW |
| Power at rated PTO speed |
285.55 hp/212.9 kW |
| Max pull |
34,309 lbs/15562 kg |
CHALLENGER 75 POWER
| Engine |
325 hp/242.4 kW |
| Drawbar (claimed) |
260 hp/193.9 kW |
| PTO (claimed) |
281 hp/209.5 kW |
| Drawbar (tested) |
251.01 hp/187.2 kW |
| PTO (tested) |
301.85 hp/225.1 kW |
ENGINE DETAIL
The Challenger 75 tractor features a robust 6-cylinder, turbocharged Caterpillar diesel engine providing 325 hp, ideal for heavy-duty agricultural tasks. Its high displacement of 10.3 L and 16:1 compression ratio ensure efficient torque delivery, while the rated RPM of 2100 allows for optimal power output across various applications. However, the substantial coolant capacity of 44 quarts indicates the need for effective thermal management, especially during prolonged operations in high-load scenarios.
| Description |
Caterpillar/turbocharged diesel/6-cylinder/liquid-cooled |
| Displacement |
629 ci/10.3 L |
| Bore/Stroke |
4.92x5.5 inches/125 x 140 mm |
| Power |
325 hp/242.4 kW |
| Compression |
16:1 |
| Rated RPM |
2100 |
| Starter volts |
12 |
| Coolant capacity |
44 qts/41.6 L |
CHALLENGER 75 ENGINE
The Challenger 75 tractor, equipped with a robust Caterpillar 10.3L 6-cylinder diesel engine, offers high torque performance suitable for demanding agricultural tasks. The 220-gallon fuel tank provides extended operational range, minimizing downtime during large-scale fieldwork. However, the tractor's size and weight may pose challenges in softer terrain, requiring careful maneuvering to avoid soil compaction.
| Description |
Caterpillar 10.3L 6-cyl diesel |
| Fuel tank |
220 gal/832.7 L |
TRANSMISSION
The Challenger 75 tractor features a full power shift transmission, enabling seamless gear transitions that enhance operational efficiency during various field tasks. With 10 forward and 2 reverse gears, it provides versatile speed options for different terrains and conditions, making it suitable for both heavy-duty tillage and lighter tasks. However, while the advanced transmission system contributes to smoother handling, it may introduce a steeper learning curve for operators unfamiliar with power shift mechanics.
| Type |
full power shift |
| Gears |
10 forward and 2 reverse |
MECHANICAL
The Challenger 75 features a crawler chassis, providing enhanced traction and stability on uneven terrain, which is ideal for agricultural applications. Its hydrostatic differential steering allows for precise maneuverability, essential in tight spaces or when making sharp turns. The 10-speed full power shift transmission contributes to efficient power transfer, enabling the operator to optimize performance for varying field conditions, though it may require a learning curve for those accustomed to simpler transmission systems.
| Chassis |
crawler |
| Steering |
hydrostatic differential steering |
| Brakes |
hydraulic caliper disc |
| Cab |
Cab standard |
| Transmission |
10-speed full power shift |
HYDRAULICS
| Type |
closed |
| Valves |
4 |
| Pump flow |
26 gpm/98.4 lpm |
TRACTOR HITCH
POWER TAKE-OFF (PTO)
CHALLENGER 75 TRACKS
DIMENSIONS
| Wheelbase |
106 inches/269 cm |
| Operating weight |
34,370 lbs/15590 kg |
DIMENSIONS & TRACKS
| Wheelbase |
106 inches/269 cm |
| Weight |
34,370 lbs/15590 kg |
| Description |
25-in track |
