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Claas Challenger 55

Claas Challenger 55 tractor
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The Claas Challenger 55 is an agricultural crawler tractor manufactured by Claas. It features a Caterpillar 7.2L 6-cylinder turbocharged diesel engine, delivering 191 hp drawbar and 225 hp PTO power. The tractor has a 16-speed full power shift transmission with an optional 32-speed creeper. It includes a variable-displacement load-sensing hydraulic system, differential power steering, wet disc brakes, and a cab with air-conditioning. The tractor hitch is category III/II with draft control and a rear lift capacity of 12,500 lbs, optionally 15,000 lbs. Dimensions include an 86-inch wheelbase, 211-inch length, and 26,000 lbs operating weight. It runs on crawler tracks available in multiple widths and has a 12-volt electrical system with alternator charging.
Claas Challenger 55Claas tractorcrawler tractorCaterpillar 3126 engineagricultural tractortractor specifications
Power-
Founded-
ModelChallenger 55

Technical Specifications

Detailed specifications and technical data for Claas Challenger 55

Power

PTO (claimed):225 hp (167.8 kW)
Drawbar (claimed):191 hp (142.4 kW)

Engine

Type:turbocharged diesel
Model:Caterpillar 3126
Cooling:liquid-cooled
Cylinders:6-cylinder
Fuel tank:125 gal (473.1 L)
Rated RPM:2100
Bore/Stroke:4.33x5.00 inches (110 x 127 mm)
Displacement:442 ci (7.2 L)
Starter volts:12
Coolant capacity:34.4 qts (32.6 L)

Tracks

Widths:16 inches (40 cm), 18 inches (45 cm), 20 inches (50 cm), 25 inches (63 cm), 32 inches (81 cm)

Dimensions

Gauge:60/68/72/76/80/88/90 inches (152/172/182/193/203/223/228 cm)
Width:91 inches (231 cm)
Length:211 inches (535 cm)
Weight:26000 lbs (11793 kg)
Wheelbase:86 inches (218 cm)
Height (cab):120 inches (304 cm)
Height (exhaust):125 inches (317 cm)

Electrical

Ground:negative
Battery volts:12
Charging system:alternator

Hydraulics

Type:variable-displacement load-sensing pressure-compensated
Valves:3 or 4
Pressure:2750 psi (189.6 bar)
Pump flow:31.2 gpm (118.1 lpm)
Optional pump flow:55 gpm (208.2 lpm)

Mechanical

Cab:standard with air-conditioning
Drive:crawler
Brakes:Wet disc brakes
Steering:differential power

Production

Type:Agricultural Crawler tractor
Manufacturer:Claas
Original price:$133,000 in 1998

Transmission

Creeper

Type:creeper
Gears:32 forward and 18 reverse
Options:16-speed full power shift, 32-speed creeper

Full power shift

Type:full power shift
Gears:16 forward and 9 reverse

Tractor hitch

Control:draft control
Rear Type:III/II
Rear lift:12500 lbs (5670 kg)
Optional rear lift:15000 lbs (6804 kg)

Power Take-off (PTO)

Clutch:electro-hydraulic wet disc
Rear PTO:independent
Engine RPM:1000@1900
Rear PTO Type:1000 (1.75)