Lyle Machinery Company

- Model D51PX-22 - Bulldozers


Engine and Related Items: Air cleaner, dry, double element type with caution lamp on monitor. Decelerator pedal. Exhaust pipe elbow. Fan, hydraulic driven, electronic control, reversible. Fuel pre-filter (10 micron) and fuel filter (2 micron). Grid heater. Intake pipe with pre-cleaner. Water separator.

Electric System

  • Alternator, 60A (24V)
  • Back-up alarm
  • Batteries, large capacity, 1,000 CCA (170 Ah)
  • Starting motor, 5.5 kW

Power Train and Controls

  • Brake pedal
  • Counter rotation
  • Electronically controlled hydrostatic transmission (HST) with quick-shift and variable speed settings
  • Palm command control system (PCCS) with electronic control for travel control
  • Reverse speed presets


  • Idler cushions
  • Track frames
  • Track roller guards, center and end section
  • Sprockets, segmented type
  • Track shoe assembly with sealed and lubricated link assembly – 28 in. (710 mm) single grouser shoes PLUS

Guards and Covers

  • Crankcase guard and underguard
  • Engine hood and side panels
  • Sprocket inner guard

Operator Environment

  • 12A (12V) power port (cab only)
  • Cab seat, high back fabric, suspension type
  • Canopy seat, high back vinyl, suspension type
  • Cigarette lighter (24V, cab only)
  • Cup holder
  • Lunch box holder
  • Electronic monitor panel with on-board diagnostics
  • Foot rest, high mounted
  • Horn
  • Provision for radio (cab only)
  • Rearview mirror
  • Seat belt, 3 in. (76 mm) wide, retractable

Hydraulics and Controls

  • Hydraulics for PAT dozer
  • Palm Command Control System (PCCS) with Proportional Pressure Control (PPC) for blade control
  • Accumulator for PPC

Vandalism Protection

  • Filler cap locks and cover locks
  • Instrument panel lock and cover (canopy only)

Other Equipment

  • Grease gun holder
  • Hitch, standard type
  • High altitude arrangement (no fuel adjustment up to 9,843 ft. (3,000 m))
  • Komtrax® function level 2+
  • Lighting Package:
    • 3 front
    • 2 rear cab / canopy
  • Marks and plates, English
  • Pullhook, front

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