Challenger 75D

The Challenger 75D is a tractor produced by Challenger. It is equipped with a 629 ci 10.3 L engine. The rated power output is 330 hp 246.1 kW. Transmission: 10 forward and 2 reverse. Drive type: crawler. Operating weight: 35720 lbs 16202 kg.

Overview

	1996 - 1997 Agricultural Crawler tractor
1996 - 1997
Agricultural Crawler tractor

Production
Manufacturer	Challenger (a part of Caterpillar)
Agricultural Crawler tractor
Original price was $144,000 in 1997

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

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

Challenger 75D Power
Engine (gross)	330 hp 246.1 kW
Drawbar (claimed)	240 hp 179.0 kW
PTO (claimed)	285 hp 212.5 kW
Drawbar (tested)	254.52 hp 189.8 kW
PTO (tested)	300.58 hp 224.1 kW
Performance test details ...

Mechanical
Drive	crawler
Steering	hydrostatic differential steering
Hydraulic wet disc brakes
Cab standard with air-conditioning.

Capacity
Fuel	203 gal 768.4 L
Hydraulic system	29 gal 109.8 L

Hydraulics
Type	closed-center pressure-compensated
Capacity	29 gal 109.8 L
Pressure	2750 psi 189.6 bar
Valves	4
Pump flow	27 gpm 102.2 lpm
	35 gpmOptOptional 132.5 lpm

Tractor hitch
Rear Type	IV/III
Control	position and draft control
Rear lift	12300 lbs 5579 kg

Power Take-off (PTO)
Rear PTO	independent
Rear PTO Type	1000 (1.75)
Engine RPM	1000@2050

Dimensions & Tracks
Wheelbase	107 inches 271 cm
Weight	35720 lbs 16202 kg
25-inch tracks
Full dimensions and tracks ...

Electrical
Ground	negative
Charging system	alternator
Charging amps	145
Batteries	2
Battery CCA	900
Battery volts	12

References
Challenger 75D Agricultural Tractor published in 1996, by Caterpillar
Challenger 85D Agricultural Tractor published in 1996, by Caterpillar

Engine

Engine Detail — 629 ci / 10.3 L Diesel

Manufacturer	Caterpillar 3176C ATAAC
Configuration	turbocharged intercooled diesel, 6-cylinder, liquid-cooled
Displacement	629 ci 10.3 L
Bore/Stroke	4.92x5.51 inches 125 x 140 mm
Power (gross)	330 hp 246.1 kW
Air cleaner	dual paper elements with aspirator
Pre-heating	ether injection
	block heater
Rated RPM	2100
Starter volts	12
Oil capacity	32 qts 30.3 L
Coolant capacity	60 qts 56.8 L

Challenger 75D 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 75D Tracks
Width	25 inches 63 cm
Length on ground	107.1 inches 272 cm
Area on ground	5355 in² 3.5 m²
Ground pressure	6.1 psi 0.4 bar
Width	30 inches 76 cm
Length on ground	107.1 inches 272 cm
Area on ground	6426 in² 4.1 m²
Ground pressure	5.6 psi 0.4 bar
Width	35 inches 88 cm
Length on ground	107.1 inches 272 cm
Area on ground	7497 in² 4.8 m²
Ground pressure	4.4 psi 0.3 bar

Dimensions
Wheelbase	107 inches 271 cm
Length	232 inches 589 cm
Width	120 inches*Width with 30-inch tracks. 304 cm
Height (cab)	128 inches 325 cm
Height (exhaust)	144 inches 365 cm
Operating weight	35720 lbs 16202 kg
Gauge	90 inches 228 cm

Tests

OCED Tractor Test 1722
Diesel 10-speed crawler April 1 - 14, 1997 Link: OCED Tractor Test 1722 file
PTO performance
Max power	300.58 hp 224.1 kW
Fuel use	16.1 gal/hour 60.9 l/hour
Power at rated engine speed	284.30 hp 212.0 kW
Fuel use	15.7 gal/hour 59.4 l/hour
Power at rated PTO speed	292.57 hp 218.2 kW
Fuel use	16.0 gal/hour 60.6 l/hour
Drawbar performance
Max power	254.52 hp 189.8 kW
Fuel use	15.8 gal/hour 59.8 l/hour
Gear 3 used for power test.
Max pull	34,760 lbs 15767 kg
Gear 1 used for pull test.

Photos

Challenger 75D tractor photo