The Challenger tractor provides greater traction and flotation, reduced compaction and maximum versatility in a variety of applications.
Rubber-belted IntroductionCaterpillar's agricultural commitment was demonstrated with the development of the Challenger tractor's rubber-belted track system more than 70 years later.
Excellent TractionThe Caterpillar Mobil-trac system provides excellent traction and flotation plus reduced compaction.
Undercarriage and BeltsThe undercarriage and belts are Caterpillar designed and manufactured to ensure quality, reliability and superior performance.
Rubber Belt CompoundEach belt contains multiple layers of steel cable for precise tracking.
Belt Types and WidthsFour belt types and five belt widths match the best belt to the application.
Chevron DriverThe chevron driver features efficient mud and debris purging for excellent performance in all applications.
Debris ShieldsDebris shields on the roller frame prevent debris build up, keeping the drive wheel and reaction arm clean for maximum efficiency.
Differential SteeringDifferential steering provides smooth, full-power turns and outstanding maneuverability plus a turning radius unmatched in the industry.
32 inch (812.8 mm) Diameter IdlerThe 32 inch (812.8 mm) diameter idler optimizes the bending angle of the belt to minimize rolling resistance and increase tractor efficiency.
Swing-linkThe swing-link features sealed and lubricated bearings at the ends of both the pivot and the tension rod.
Belt TensionThis self-supporting structure relieves the tractor frame of additional strain, and allows track spacing as wide as 120 inch (3048 mm) without undue component stress.
The Caterpillar 3126 engine is designed and rated to pull you through the tough spots.
Cat 3126 EngineProven Cat 3126 six-cylinder diesel engine is dynamically balanced for superior performance and exceptional responsiveness.
Fuel InjectorsUnit fuel injectors allow higher injection pressures to improve fuel atomization.
Two-piece Articulated PistonsTwo-piece articulated pistons with forged steel crown and aluminum skirt provide excellent strength, durability and quiet operation.
Air-to-air AftercoolerAir-to-air aftercooler improves fuel economy by packing cooler, more dense air into cylinders for more complete combustion.
Wastegate TurbochargerWastegate turbocharger on the Cat 3126 engine provides the Challenger 55 with more immediate engine recovery from a lug condition.
Extended Life CoolantExtended life coolant offers better protection over a longer period of time, lowers operating costs, requires less maintenance and is environmentally responsible and recyclable.
Tuned Intake ManifoldTuned intake manifold on the Cat 3126 engine is designed to evenly distribute airflow to the engine.
Full Powershift TransmissionFull powershift transmission allows on-the-go-shifting under load in all gears.
Automatic Speed MatchingTransmission gear speed is automatically matched to travel speed in transport applications when gears 10-16 are used.
Power ShuttlePower shuttle allows smooth forward to reverse directional change without clutching or stopping.
Transmission ControlTransmission control allows wide choice of shifting strategies.
Optional CreeperOptional creeper transmission provides an additional 16 forward and nine reverse speeds at 91% speed reduction for specialty applications.
Advanced design gives you excellent control, comfort and visibility, and is designed to make your days in the field more productive.
Advanced DesignAdvanced design provides excellent access to operating information, control, comfort and visibility, and is designed to make your days in the fields more productive.
Excellent ViewExcellent view to the rows with the standard- or Wide-Track tractor, in narrow- or wide-row configurations.
Electronic Monitoring CenterElectronic monitoring center is centrally located on the steering console for easy viewing.
Control ConsoleControl console is ergonomically designed and conveniently located to operator's right.
Superior Light SystemComplete array of work lights provides high visibility for night work.
Convenient StorageConvenient storage locations include beverage holder, storage area for tools, gloves and other items plus a convenient location to store a cooler.
Air Ride Suspension SeatAir ride suspension seat is eight-way adjustable for maximum comfort.
Operator Presence SwitchOperator presence switch sounds audible alarm if operator leaves seat before applying parking brake or shutting down PTO.
Recessed Night LightsRecessed night lights illuminate controls without window glare.
Multiple Mounting PointsMultiple mounting points for additional monitors and radios are provided along with five auxiliary electrical circuits.
Three-Point Hitch and Drawbar
The Caterpillar three-point hitch and drawbar provide a strong, durable mounting point for implements.
Three-point HitchCaterpillar designed three-point hitch is strong and durable.
Quick CouplerCategory III/IIIN Quick Coupler is standard on all models.
Overall DesignOverall design of three-point hitch and quick coupler is optimized for load control and tractor balance.
Drawbar DesignDrawbar design features strength and durability.
Wide-swinging DrawbarA wide-swinging drawbar is available as an option.
Customer Support Serviceability
Your Cat dealer provides in-field service by ag tractor technicians with a "shop on wheels," plus industry-leading parts availability and preventive maintenance programs.
In-field ServiceIn-field service by Cat dealer ag tractor technicians from a "shop on wheels" means fast service.
Machine Management ServicesCat dealers help manage your tractor investment.
Parts AvailabilityMost Cat parts are immediately available.
Flexible FinancingTalk to your Cat dealer to arrange affordable financing.
Tilting HoodThe entire hood easily tilts out of the way with the help of gas-charged struts.
No Daily Undercarriage ServiceNo greasing or servicing of the undercarriage is required.
Easy AccessEasy access to daily service points.
Simple Undercarriage ChangesSimple undercarriage gauge or belt change. Undercarriage changes can be made in the field.