| Manufacturer |
Challenger |
| Price |
134,500(USD) |
| Model |
75C |
| Equipment Type |
Agricultural Crawler Tractors |
| Factory |
Peoria, Illinois, USA |
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 75C POWER
| Engine (gross) |
325 hp/242.4 kW |
| Drawbar (claimed) |
256 hp/190.9 kW |
| PTO (claimed) |
280 hp/208.8 kW |
| Drawbar (tested) |
251.01 hp/187.2 kW |
| PTO (tested) |
301.85 hp/225.1 kW |
ENGINE DETAIL
The Challenger 75C tractor features a robust Caterpillar 3176 ATAAC turbocharged diesel engine with a 10.3 L displacement, delivering 325 hp at a rated RPM of 2100, making it suitable for high-demand agricultural tasks. Its dual dry air cleaners optimize airflow and engine performance, while the ether injection and block heater enhance cold-start reliability in low temperatures. With an oil capacity of 31.7 quarts and a coolant capacity of 60 quarts, it ensures extended operational efficiency, although the relatively high compression ratio of 16:1 may necessitate attention to fuel quality to prevent knocking.
| Description |
Caterpillar 3176 ATAAC/turbocharged diesel/6-cylinder/liquid-cooled inline |
| Displacement |
629 ci/10.3 L |
| Bore/Stroke |
4.92x5.5 inches/125 x 140 mm |
| Power (gross) |
325 hp/242.4 kW |
| Air cleaner |
dual dry elements |
| Pre-heating |
ether injection/block heater |
| Compression |
16:1 |
| Rated RPM |
2100 |
| Starter |
electric |
| Starter volts |
12 |
| Oil capacity |
31.7 qts/30.0 L |
| Coolant capacity |
60 qts/56.8 L |
CHALLENGER 75C ENGINE
The Challenger 75C tractor is powered by a robust Caterpillar 10.3L 6-cylinder diesel engine, which delivers substantial torque and durability for demanding agricultural tasks. Key advantages include its exceptional fuel efficiency and low-end power, ideal for heavy draft work and soil tillage. However, its larger engine may pose challenges in terms of higher initial investment and maintenance cost compared to lower-horsepower models, which might not be necessary for smaller farms or lighter applications.
| Description |
Caterpillar 10.3L 6-cyl diesel |
TRANSMISSION
The Challenger 75C tractor's full power shift transmission provides seamless gear changes, enhancing operational efficiency in a variety of field conditions. With 10 forward and 2 reverse gears, it allows for precise speed adjustments, making it ideal for tasks requiring varying power inputs, like plowing and tilling. The oil capacity of 60 quarts (56.8 L) ensures adequate lubrication and cooling, though regular maintenance is crucial to prevent overheating, particularly in continuous heavy-duty operations.
| Type |
full power shift |
| Gears |
10 forward and 2 reverse |
| Oil capacity |
60 qts/56.8 L |
MECHANICAL
The Challenger 75C features a crawler chassis that enhances traction on uneven terrain, making it ideal for agricultural and construction applications requiring off-road capabilities. Its hydraulic wet disc brakes provide reliable stopping power, though they may require more maintenance than dry braking systems. The 10-speed full power shift transmission offers smooth gear changes and efficient power transfer, enabling the operator to maintain optimal performance across a variety of working conditions.
| Chassis |
crawler |
| Steering |
power |
| Brakes |
hydraulic wet disc |
| Cab |
Cab standard. |
| Transmission |
10-speed full power shift |
CAPACITY
| Fuel |
209 gal/791.1 L |
| Hydraulic system |
29 gal/109.8 L |
HYDRAULICS
| Type |
closed center |
| Capacity |
29 gal/109.8 L |
| Pressure |
2550 psi/175.8 bar |
| Valves |
4 |
| Pump flow |
27 gpm/102.2 lpm/35 gpm/132.5 lpm |
| Steering flow |
61.4 gpm/232.4 lpm |
| Steering press. |
6090 psi/419.9 bar |
POWER TAKE-OFF (PTO)
CHALLENGER 75C TRACKS
DIMENSIONS
| Wheelbase |
107.1 inches/272 cm |
| Length |
232 inches/589 cm |
| Width |
120 inches/304 cm |
| Height (cab) |
128 inches/325 cm |
| Height (exhaust) |
144 inches/365 cm |
| Operating weight |
33305 lbs/15107 kg |
| Clearance (drawbar) |
15 inches/38 cm |
| Gauge |
90 inches/228 cm |
DIMENSIONS & TRACKS
| Wheelbase |
107.1 inches/272 cm |
| Weight |
33305 lbs/15107 kg |
| Description |
25-in track |
ELECTRICAL
| Ground |
negative |
| Charging system |
alternator |
| Charging amps |
115 |
| Batteries |
2 |
| Battery CCA |
900 |
| Battery volts |
12 |
