That’s what Doosan has put into the design, development, and production of the D50C-5 to provide customers with optimized operator comfort and safety, proven and durable components, high powered and fuel efficient diesel engines for high performance including low emissions and minimal vibration, enhanced maintenance and serviceability, virtually maintenance-free oil cooled disc brakes, 2 speed auto-shift transmission, lift and tilt locking hydraulic control valve, OSS (operator sensing system), and a variety of operator friendly features.