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Challenger 55

The Challenger 55 is a tractor produced by Challenger. It is equipped with a 442 ci 7.2 L engine. Transmission: 32 forward and 18 reverse. Drive type: crawler. Operating weight: 26000 lbs 11793 kg.

Drive & Traction
crawler
Fuel & Capacities
125 gal 473.1 L
Transmission
32 forward and 18 reverse
Operating Weight
26000 lbs 11793 kg

Overview

Challenger 55 tractor photo
1996 - 1998 Agricultural Crawler tractor
Production
Manufacturer
Challenger (a part of Caterpillar)
Agricultural Crawler tractor
Original price was $133,000 in 1998
Challenger 55 Engine
Caterpillar 7.2L 6-cyl diesel
Fuel tank
125 gal 473.1 L
Engine details ...
Challenger 55 Power
Drawbar (claimed)
191 hp 142.4 kW
PTO (claimed)
225 hp 167.8 kW
Mechanical
Drive
crawler
Steering
differential power
Wet disc brakes
Cab standard with air-conditioning.
Hydraulics
Type
variable-displacement load-sensing pressure-compensated
Pressure
2750 psi 189.6 bar
Valves
3 or 4
Pump flow
31.2 gpm 118.1 lpm
55 gpm*Optional. 208.2 lpm
Tractor hitch
Rear Type
III/II
Control
draft control
Rear lift
12500 lbs 5670 kg
15000 lbs*Optional. 6804 kg
Power Take-off (PTO)
Rear PTO
independent
Clutch
electro-hydraulic wet disc
Rear PTO Type
1000 (1.75)
Engine RPM
1000@1900
Dimensions & Tracks
Wheelbase
86 inches 218 cm
Weight
26000 lbs 11793 kg
16-inch tracks
Full dimensions and tracks ...
Electrical
Ground
negative
Charging system
alternator
Battery volts
12
References
55 references literature
Challenger 65B published in 1995, by Caterpillar
Challenger 35, 45 and 55 Product Bulletin published in 1995, by Caterpillar

Engine

Engine Detail — 442 ci / 7.2 L Diesel

Manufacturer
Caterpillar 3126
Configuration
turbocharged diesel, 6-cylinder, liquid-cooled
Displacement
442 ci 7.2 L
Bore/Stroke
4.33x5.00 inches 110 x 127 mm
Rated RPM
2100
Starter volts
12
Coolant capacity
34.4 qts 32.6 L

Transmission

Transmission options
16-speed full power shift
32-speed creeper

Transmission — 16 forward and 9 reverse full power shift

Type
full power shift
Gears
16 forward and 9 reverse
Transmission
Type
creeper
Gears
32 forward and 18 reverse

Dimensions

Challenger 55 Tracks
Width
16 inches 40 cm
Width
18 inches 45 cm
Width
20 inches 50 cm
Width
25 inches 63 cm
Width
32 inches 81 cm
Dimensions
Wheelbase
86 inches 218 cm
Length
211 inches 535 cm
Width
91 inches 231 cm
Height (cab)
120 inches 304 cm
Height (exhaust)
125 inches 317 cm
Weight
26000 lbs 11793 kg
Gauge
60/68/72/76/80/88/90 inches 152/172/182/193/203/223/228 cm

Photos

Challenger 55

Challenger 55

Fluids, Capacities & Working Autonomy

Standard fluid requirements, service intervals, and continuous runtime estimates for Challenger 55.

Engine Crankcase Oil

SAE 15W-40 (Heavy Duty Diesel)
Standard Spec: API CK-4 / CJ-4 Heavy Duty
Service Interval: 150 – 250 Hours

Transmission & Hydraulic System

UTTO (Universal Tractor Transmission Oil)
Standard Spec: ISO VG 46 / 68 (Wet Brake & Trans Compatible)
Service Interval: 600 – 1000 Hours

Engine Cooling System

50/50 Ethylene Glycol Pre-mix
Standard Spec: ASTM D6210 / Heavy-Duty OAT Antifreeze
Service Interval: 2 Years / 1500 Hours

Challenger 55 Specification Unit Converter

Convert power, fluid capacities, and operating weights between metric and imperial standards for Challenger 55.

Converted Equivalents:

Horsepower (HP)0 hp
Kilowatts (kW)0 kW
Metric Horsepower (PS / CV)0 PS

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