Challenger 75C

The Challenger 75C is a tractor produced by Challenger. It is equipped with a 629 ci 10.3 L engine. The rated power output is 325 hp 242.4 kW. Transmission: 10 forward and 2 reverse. Drive type: crawler. Operating weight: 33305 lbs 15107 kg.

Overview

	1993 - 1996 Agricultural Crawler tractor
1993 - 1996
Agricultural Crawler tractor

Production
Manufacturer	Challenger (a part of Caterpillar)
Agricultural Crawler tractor
Built in Peoria, Illinois, USA
Original price was $134,500 in 1995

Challenger 75C Engine
Caterpillar 10.3L 6-cyl diesel
Engine details ...

Challenger 75C Transmission
10-speed full power shift
Transmission details ...

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
Performance test details ...

Mechanical
Drive	crawler
Power steering
Hydraulic wet disc brakes
Cab standard.

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 gpmOptOptional 132.5 lpm
Steering flow	61.4 gpm 232.4 lpm
Steering press.	6090 psi 419.9 bar

Power Take-off (PTO)
Rear PTO Type	1000

Dimensions & Tracks
Wheelbase	107.1 inches 272 cm
Weight	33305 lbs 15107 kg
30-inch tracks
Full dimensions and tracks ...

Electrical
Ground	negative
Charging system	alternator
Charging amps	115
Batteries	2
Battery CCA	900
Battery volts	12

References
Challenger Agricultural Tractor published in 1993, by Caterpillar

Engine

Engine Detail — 629 ci / 10.3 L Diesel

Manufacturer	Caterpillar 3176 ATAAC
Configuration	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

Transmission

Transmission — 10 forward and 2 reverse full power shift

Type	full power shift
Gears	10 forward and 2 reverse
Oil capacity	60 qts 56.8 L

Dimensions

Challenger 75C Tracks
Width	30 inches 76 cm
Length on ground	107.1 inches 272 cm
Area on ground	6428 in² 4.1 m²
Ground pressure	5.2 psi 0.4 bar

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

Tests

OCED Tractor Test 1654
Diesel 10-speed crawler October 4 - 11, 1991 Link: OCED Tractor Test 1654 file
PTO performance
Max power	301.85 hp 225.1 kW
Fuel use	16.2 gal/hour 61.3 l/hour
Power at rated engine speed	281.36 hp 209.8 kW
Fuel use	15.6 gal/hour 59.0 l/hour
Power at rated PTO speed	285.55 hp 212.9 kW
Fuel use	15.7 gal/hour 59.4 l/hour
Drawbar performance
Max power	251.01 hp 187.2 kW
Fuel use	15.7 gal/hour 59.4 l/hour
Gear 3 used for power test.
Max pull	34,309 lbs 15562 kg
Gear 1 used for pull test.

Photos

Challenger 75C

Challenger 75C

Challenger 75C

Challenger 75C

Challenger 75C, right side.