BJQB-18D-C Knuckle-Boom Lift: Rugged Durability with High-Quality Materials & Fine Manufacturing—Boosts Service Life. 19.7m Max Working Height, 17.7m Platform Height, 230KG Load (2 Workers). Retracted specs: L 9.10m, W 2.49m, H 2.67m; platform size: L 1.83m, W 0.76m, H 1.1m. Wheelbase 2.54m, middle ground clearance 0.41m. 4WD2WS drive/steering, 6V8 battery; travel speed 5.10km/h (retracted)/1.10km/h (elevated). 40% gradeability, 36*14-20 tires—handles tough terrains. 355 turntable rotation, 80 platform rotation, automatic leveling ensure safety & precision. Max allowable working angle 5, overall weight 8500kg. Ideal for high-altitude maintenance, installation, large venue & industrial facility tasks.