D51PX-22 WIDE PAD DOZER BASE MACHINE KOMATSU D51PX-22 - PLUS ENGINE, Komatsu SAA6D107E-1 130 HP Direct Injection, turbocharged air to air aftercooler emission certified diesel Tier 3 KOMTRAX 28" Single Grouser Shoes Heavy Duty Sealed & lubricated link Assembly-PLUS Track Roller Guards,Center/End Section Fabric Air Suspension Seat, High Back with tilt. Power Angle Tilt Dozer with Inside Arms 11'-0" Blade Hitch Front Pull Hook ROPS CAB includes air conditioner with heater, defroster,pressurizer, lower heater, radio.