The Zettelmeyer ZL 602 Si B is a compact wheel loader engineered for versatile material handling and loading applications. Powered by a turbocharged KHD BF4 L 1011FT four-cylinder diesel engine, it delivers 60 gross horsepower (45 kW) and 57 net horsepower (43 kW) at 2,300 rpm, with maximum torque of 193 Nm at 1,800 rpm. The machine features a hydrostatic full power shift transmission with two forward and two reverse gears, enabling a maximum speed of 18.7 mph in both directions. The loader operates at 5,000 kg (11,023 lbs) and features a 1.0 cubic meter bucket with a 1-meter width and 8,880 lbs breakout force capability. The hydraulic system employs a gear-type pump with 49 liters per minute flow capacity and 3,191 psi relief valve setting, providing rapid cycle times: 1.5 seconds for dumping, 6 seconds for raising, and 3.5 seconds for lowering. Maximum discharge height reaches 3 meters with 2.6 feet of reach at full lift. Dimensionally, the compact design measures 5.07 meters in length with bucket lowered, 1.73 meters width over tires, and 2.65 meters to cab top. The 2-meter wheelbase and 4-meter turning radius enable excellent maneuverability in confined spaces. Standard features include a removable ROPS cab with tinted safety glass, 4-way adjustable seat, heater, and comprehensive instrumentation. The 57-liter fuel tank and integrated hydraulic fluid capacity support extended operational periods, while dual rear axle oscillation provides terrain adaptability.