The 1998 Liebherr LR621C is a heavy-duty crawler loader designed for excavation, site preparation, land clearing, grading, stockpile management, loading operations, and general earthmoving applications. The LR621C operates in the approximately 14.5-ton (31,900-pound) class and is equipped with a robust track undercarriage that provides excellent traction and flotation in soft ground, mud, loose soil, and uneven terrain. Power is supplied by a Liebherr D904T turbocharged diesel engine producing approximately 94 kW (126 horsepower). The engine is designed to deliver strong low-speed torque for pushing, loading, and climbing while maintaining fuel-efficient operation. The powertrain provides dependable performance for demanding earthmoving applications and is well regarded for durability and long service life. The undercarriage utilizes approximately 20-inch to 508 mm track shoes, providing excellent ground contact and stability, 88 in Multi-Purpose Bucket, 20 in Double Grouser Track Shoe