Overview: The document provides technical specifications for the CLG621 Static 3-Drum Roller manufactured by Guangxi Liugong Machinery Co., Ltd. It includes details on the engine, electrical system, drive train, axles, brakes, performance, operating weights, service capacities, and optional equipment.
Engine Specifications: The roller is powered by a Shangchai engine with a gross power of 90 kW at 1,800 rpm. It features a turbocharged aspiration system, water cooling, and complies with Tier 2 / Stage II emission regulations. The engine has four cylinders and a peak torque of 550 N.M.
Electrical System: The system operates at a voltage of 24 V.
Drive Train: The roller has a synchronous shift transmission with a theoretical gradeability of 20% without/with vibration. It offers three forward speeds: 2.5 km/h, 5 km/h, and 10.5 km/h. The inside turning radius is less than 4,180 mm, and the outside turning radius is less than 6,500 mm.
Axles and Steering: The steering system is hydraulic with articulation and a steering angle of ±35°. The steering relief pressure is 16 MPa.
Brakes: The service brake is a caliper disc type with air over hydraulic actuation. The parking brake is spring-applied and mechanically released.
Performance: The static linear front drum load is 496 kg-mm.
Operating Weights: The operating weight with ballast is 21,000 kg, with 7,560 kg on the front drum and 13,440 kg on the tires.
Service Capacities: The fuel tank capacity is 280 L, engine oil is 14 L, cooling system is 15 L, and transmission and torque converter is 14.5 L.
Optional Equipment: Options include a rotary beacon, backup alarm, and air-conditioner.