SEM660D Wheel Loader

Optimized 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 93 desert type air cleaner provides machine reliability in most severe applications. Oil-bath type oil filter is optional

Efficient Hydraulic System

• The advanced load sensing hydraulic system with flow sharing circuits improves efficiency

• World Class hydraulic components ensure high reliability

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

• Relocated hydraulic oil tank ensures hydraulic pump’s life

Operator Station

• Premium operator station improves cab sealing and visibility

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

• Integrated relays and fuse panel. Single cabin harness connection plug provides easy service access

• Joystick hydraulic control for easy and precise operation命

• Multi-function instrument dashboard with 3-level alarm

• Adjustable suspension seat

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

• The SEM designed and built axle equips with 10 calipers (6 for front and 4 for rear), it delivers better brake performance and longer service life

Advanced Cooling System

• The standard cooling package provides high reliability in 43°C ambient conditions. An optional package is available for 50°C 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

• Steering robber stopper design provides protection for frame

Serviceability

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

• Simple structure countershaft transmission delivers low maintenance cost

• Centralized lubrication points reduce maintenance time

• System pressure test ports are standard

• Easy access to external air charge connecting port

• Engine hood grill opens for easy service access

• It is easy to change brake discs with new split type caliper

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 and beacon ensure machine safety

• Environment-friendly painting process