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Power Train

844 power train components deliver dependable, reliable performance customers expect from Cat wheel dozers.

Cooling System

Works with the engine to meet emissions standards as well as improve serviceability and reduce downtime.


Advanced design and materials provide superior strength.


Well-balanced hydraulics deliver precise low-effort control and trouble-free operation.

Blades and Blade Controls

Caterpillar blades are built to handle tough applications and well-proven Cat components deliver dependable service and ease of operation.

Operator Station

Comfort and control — a top quality operator station helps maximize productivity.


Less time spent on maintenance means more time on the job.

Complete Customer Support

Cat Dealer services help keep machines operating longer with lower costs.

844 Standard Equipment

  • Alternator, 100-ampere
  • Converter, for 12-volt accessories
  • Diagnostic connector for starting and charging systems
  • Electric starter (heavy-duty)
  • Electrical system, 24-volt
  • External lighting system, front and rear
  • Maintenance-free batteries
  • Starting receptacle for emergency starting

Operator environment
  • Air conditioner, R-134A refrigerant
  • Contour Series Seat with air suspension
  • Cigar lighter and ashtray
  • Coat hook
  • Computerized Monitoring System
  • Dome light (cab)
  • Electric horn
  • External two-post ROPS structure
  • Heater and defroster
  • Load-sensing steering
  • Quick-shift feature
  • Radio-ready cab for entertainment or two-way radio (three-point mounting)
  • Rearview mirrors (interior and exterior mounted)
  • Retractable seat belt 76 mm (3 in) wide
  • ROPS cab with sound suppression
  • Floor mounted hydraulic controls
  • Sight gauges, hydraulic oil and engine coolant
  • Single-lever blade control
  • STIC Control System
  • Storage for lunch box, cup
  • Sunshade/visor, front and rear
  • Throttle lock
  • Tinted glass
  • Transmission gear indicator
  • Wet-arm wiper/washers, front and rear

Power train
  • Cat 3412E HEUI engine
  • Fuel priming aid
  • Brakes: Parking: Dry, multi-disc brake; transmission mounted,
  • Impeller Clutch Torque Converter with lockup clutch
  • Precleaner/ejector
  • Remote-mounted hydraulic engine fan
  • Separated cooling system
  • Sound suppressed muffler
  • Supplemental steering
  • Swing-out cooler cores
  • Transmission,

Other standard equipment
  • Backup alarm
  • Cold weather starting system
  • Drawbar hitch with pin
  • Fenders (front)
  • High speed oil change system
  • Hydraulic oil cooler
  • Muffler
  • Lighting, general purpose (four)
  • Locking engine enclosures
  • Power train/guard
  • Rear access stairs
  • Vandalism protection and caplocks
  • Venturi stacks

  • 45/65 R39 L-4 (XLDDIA), Michelin