KOMATSU D51PX-24 Crawler Tractor Powered by a Komatsu SAA4D107E-7 133 HP, TIER 4 Final emission certified diesel engine. Direct Injection, water cooled variable geometry, turbocharged, aftercooled, KDOC - After-Treatment Assembly Selective Catalytic Reduction (SCR) and Diesel Exhaust Fluid (DEF) with heated thermostatically controlled DEF lines, pump and tank. Large-capacity rear mounted cooling system (side by side coolers) Grid heater - starting aid in cold weather Fan, reversible, electronic control, hydraulically driven, KOMTRAX, Level 5 Integrated ROPS Cab Rear view monitoring system 12v Power Port Front Pull Hook Air suspension seat with 3" retractable seat belt. Lighting Package (3 Front & 2 Rear) 28"(710MM) Single Grouser Shoes, Heavy Duty Link Sealed and Lubricated. PLUS Undercarriage System. Track Roller Guards, Center and End Section PAT DOZER ASSEMBLY HIGH CAPACITY 11' DRAWBAR, RIGID REAR HYDRAULICS FOR LEVEL 1 WINCH AND RIPPER