Skip to content
An independent tractor referenceSpecifications. Sources. Side by side.
TractorStack.
Search
Find your tractor.
Menu ☰
Years in Production / 1991–1992
Challenger
75
Explore the specifications, hardware, and original references for the Challenger 75.
No photo
325hp
Source index power
Tracks
Drive
1991–1992
Production years
Challenger
Manufacturer
75 / 01
At a glance
Overview
1991 - 1992
Agricultural Crawler tractor
Production
Agricultural Crawler tractor
- Manufacturer
- Challenger (a part of Caterpillar)
Mechanical
Hydraulic caliper disc brakes
Cab standard
- Drive
- crawler
- Steering
- hydrostatic differential steering
Hydraulics
- Type
- closed
- Valves
- 4
- Pump Flow
- 26 gpm98.4 lpm
Hitch
- Rear Type
- III,IV
Pto
- Rear Type
- 1000
75 / 02
Under the hood
Engine Detail
Caterpillar
turbocharged diesel
6-cylinder
liquid-cooled
- Displacement
- 629 ci10.3 L
- Bore Stroke
- 4.92x5.5 inches125 x 140 mm
- Power
- 325 hp242.4 kW
- Compression Ratio
- 16:1
- Rated Rpm
- 2100
- Starter Volts
- 12
- Coolant Capacity
- 44 qts41.6 L
- Cylinders
- 6
- Cooling
- liquid-cooled
Engine Options
Caterpillar 10.3L 6-cyl diesel
- Fuel Tank
- 220 gal832.7 L
75 / 03
Gears & controls
Transmission
- Transmission Type
- full power shift
- Gears
- 10 forward and 2 reverse
Challenger75 Transmission
10-speed full power shift
75 / 04
Size. Stance. Footprint.
Tires And Tracks
27.5-inch tracks
- Wheelbase
- 106 inches269 cm
- Weight
- 34,370 lbs15590 kg
Tires And Tracks
- Width
- 27.5 inches69 cm
- Width
- 24.5 inches62 cm
- Width
- 35.5 inches90 cm
- Length On Ground
- 107 inches271 cm
- Area On Ground
- 5898 in²3.8 m²
- Ground Pressure
- 5.4 psi0.4 bar
75 / 05
Tests (NTTL)
Oced Tractor Test1654
Diesel 10-speed crawlerOctober 4 - 11, 1991Link: OCED Tractor Test 1654 file
PTO performance
Drawbar performance
Gear 3 used for power test.
Gear 1 used for pull test.
- Max Power
- 301.85 hp225.1 kW
- Max Power
- 251.01 hp187.2 kW
- Fuel Use
- 16.2 gal/hour61.3 l/hour
- Fuel Use
- 15.6 gal/hour59.0 l/hour
- Fuel Use
- 15.7 gal/hour59.4 l/hour
- Power At Rated Engine Speed
- 281.36 hp209.8 kW
- Power At Rated Pto Speed
- 285.55 hp212.9 kW
- Max Pull
- 34,309 lbs15562 kg