KOMATSU D51EXI-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) Intelligent Machine Control: Integrated 3D GNSS machine control system Includes on-machine components such as IMU+, GNSS antenna, control box, stroke sensing cylinders. Automatic reverse grading Vertical offset switch SL100 wiring provisions 22" Single Grouser Shoes Heavy Duty Link Sealed & Lubricated PLUS Parallel Link Undercarriage System Track Roller Guards, Center and End Section UHF Type on machine Radio POWER ANGLE TILT DOZER ASSEMBLY 10' BLADE Hitch UHF Type On-Machine Radio Antenna Kit. Includes Radio Antenna Lead & Base.Radio Antenna. Rear Hydraulics for level 1 winch or ripper (5-spool).