3350mm Wheel Base SEM660D Heavy Duty Construction Machinery

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

· 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

Multiple Applications

· SEM660D can be widely used in port cargo handling mineral yards, steel mill,and other high productivity demand applications

· In aggregate site, coal loading and construction etc loosen material handling utilization applications,SEM660D can load more, move faster and burn less

* Excellent Fuel Economy

* Best-in-class Reliability and Durability

* High Productivity

* Outstanding Operation Comfort