Technical Description
The Dressta 555C is a heavy-duty wheel loader engineered for high productivity and durability in demanding construction and mining environments. Powered by a turbocharged and CAC Cummins QSM11 10.8-liter, in-line six-cylinder engine, it delivers 319 hp (238 kW) net power at 2,100 rpm and a maximum torque of 1,235 lb-ft at 1,400 rpm. The loader features an electrically controlled, full power shift, four-speed countershaft transmission, providing smooth gear changes and efficient operation. With an operating weight of 63,753 lbs (28,918 kg) and a static tipping weight of 46,508 lbs (21,096 kg), it offers robust stability and lifting capacity. The hydraulic system includes a closed pump with pressure control and vacuum relief, delivering a flow capacity of 96.4 gal/min (363 l/min), with a dump time of 1.5 seconds, raise time of 6.5 seconds, and a relief valve setting of 30 psi. The 555C is equipped with a 5.5 cu yd (4 m³) heaped bucket capacity, 4.4 cu yd (3 m³) struck, and a bucket width of 11.5 ft (3 m), providing versatility for various material handling tasks. Key dimensions include a height of 12 ft (4 m) to the top of the cab, a length of 29.6 ft (9 m) with the bucket on the ground, and a width over tires of 8 ft (2 m). The loader features a turning radius of 23.9 ft (7 m), rear axle oscillation of 30°, and a maximum speed of 21.7 mph (34 kph) in both forward and reverse. Standard features include hydrostatic steering, single-lever hydraulic controls, internal wet disc brakes, and a variable-speed cooling fan. Fluid capacities include 12 gal (45 l) for the cooling system, 9 gal (34 l) for engine oil, 135 gal (511 l) for fuel, 44 gal (167 l) for the hydraulic system, and 19 gal (72 l) for transmission fluid.
