KOMATSU PC450LC-6 MIGHTY CRAWLER EXCAVATOR

Technical Description

The Komatsu PC450LC-6 MIGHTY is a heavy-duty hydraulic crawler excavator engineered for demanding excavation, loading, and material handling applications. Powered by a turbocharged Komatsu SA6D125E diesel engine, this machine delivers 305.8 horsepower at 2,050 rpm with 11.0 liters of displacement, providing substantial power for prolonged operational cycles. The excavator operates at a maximum ground pressure of 11.1 psi, distributing its 95,901-pound operating weight across wide 23.7-inch tracks spaced 9 feet apart for excellent stability on soft or challenging terrain. The PC450LC-6 MIGHTY features comprehensive hydraulic reach capabilities, achieving a maximum digging depth of 25.5 feet, cutting height of 35.9 feet, and maximum reach along the ground of 38.8 feet. Its variable bucket capacity ranges from 2.4 to 2.7 cubic yards, accommodating diverse material handling requirements. The excavator utilizes a sophisticated HydrauMind closed-centre hydraulic system with load sensing and pressure compensation, delivering 172.3 gallons per minute through dual variable displacement piston pumps supplying boom, arm, bucket, swing, and travel circuits. The system maintains relief pressure at 5,050 psi, supported by a 71.4-gallon fluid capacity. Designed for exceptional productivity and control, the machine employs five selectable working modes optimizing performance for heavy operations, general work, finishing tasks, lifting, and breaker operations. The swing mechanism achieves 9.3 rpm rotation speed with integrated swing lock braking. Travel speeds reach 3.5 mph maximum across automatic three-speed selection. With a 159.9-gallon fuel capacity and proven European engineering, the PC450LC-6 MIGHTY combines reliability, efficiency, and operational versatility for professional construction and demolition operations.