BASE MACHINE KOMATSU D51EX-22- PLUS ENGINE, Komatsu SAA6D107E-1 130 HP Direct Injection, turbocharged air to air aftercooler emission certified diesel Tier 3 KOMTRAX 20" Single Grouser Shoes Heavy Duty Link Sealed & Lubricated. * PLUS * Parallel Link Undercarriage System Track Roller Guards, Full Length Air Suspension Seat, fabric high Back Power Angle Tilt Dozer with Inside Arm 10'-0" Blade Hitch Front Pull Hook ROPS Cab with Air Conditioner, Heater Defroster, pressurizer, lower heater and radio