SEM655D (Weichai) Wheel Loader

Machine Applications

• The sturdy design of the 655D makes it the perfect machine for large volume earthmoving applications

• In Hopper feeding and Coal loading applications the 655D can load more, move faster and burn less fuel

• Multiple work tools are available for increased versatility

Weichai Engine

• Low speed engine with E-fan provides increased operating efficiency

• Enhanced fuel pre-filter eliminates water and contaminant from fuel for best fuel system protection

• The air cleaner provides machine reliability even in the most severe applications

Efficient Hydraulic System

• Twin pump flow merging hydraulic system increases machine efficiency

• The optimized hydraulic system paired with the drive train reduces machine cycle time and increases productivity

• Joystick hydraulic control for easy and precise operation

Operator Station

• Premium operator station with big space and superior visibility

• Patented MAC mount provides less noise and increased comfort

• Adjustable suspension seat

• Sliding side window and AC with fresh air circulation provide operator comfort

• Single lever shifting is flexible and convenient

• Adjustable air flow outlet delivers better defrost performance

Reliable Drivetrain

• Countershaft transmission with upgraded core components provides high reliability

• Large rim-pull in 1st gear and higher speed in 2nd gear provide high efficiency for load and carry applications

• Clutch cutoff selection switch ensures stable and safe operation

• Torque convertor structure is simple and efficiency is high

• The SEM designed and built axle provides best in class performance in heavy duty applications

Advanced Cooling System

• The standard cooling package provides high reliability in 50℃ ambient conditions.

• Shock pad mounts ensure reliability under severe applications

Solid Structure

• Structures undergo Finite Element Analysis (FEA) and On Machine Stress Analysis (OMSA) to ensure durability

• Performance Series (PS) buckets improve loading capability

Serviceability

• System pressure test ports are standard

• Big angle engine hood side open door provides easy service access

• Torque convertor is isolated from transmission making it easy to service

Safety

• Safety design complies with all regulatory requirements

• Caterpillar Production System (CPS) leveraged in manufacturing process

• 3-point touching design provides convenient operator entering to cabin

• Backup alarm ensures machine safety

• Environmentally friendly painting process