• Increases low speed torque capability and improves wheel loader productivity
  • Strong torque delivery leads to higher breakout force
  • Maximized fuel efficiency over a range of wheel loader operating duty cycles with over 5% better fuel economy

Machine Applications

The sturdy design of the SEM 656D makes it the perfect machine for port cargo handling, mineral yards, steel mills and other high demand applications

In Quarry and Aggregate and Coal Mining applications the 656D can load more, move faster and burn less fuel

Multiple work tools are available for increased versatility

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 air cleaner provides machine reliability even in the most severe applications

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

Operator Station

Premium operator station with increased space and superior visibility

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

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 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


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

Torque convertor is isolated from transmission making it easy to service


Safety design complies with all regulatory requirements

Machine is designed with 3 points of contact to ensure operator safety

A backup alarm, horn and beacon ensure operational safety with ground personnel

Caterpillar Production System (CPS) leveraged in manufacturing process

Environmentally friendly painting process

Item Unit Params
Main Specifications    
Rated Load kg 5000
Operating Weight with Standard Bucket kg 16900
Bucket Capacity 2.7-4.5
Wheel Base mm 3300
Overall Dimension mm 8279*2963*3457
Model   Weichai WD10G
Rated Power   162 Kw
Rated Speed r/min 2000
Displacement L 9.726
Operating Specifications    
Breakout Force kN 178
Dump Clearance mm 3113
Articulated Angle ° 38±1 °
Implement Hydraulic    
Implement System Type   Single load sensing flow sharing system
Boom Raise Time s 5.13
Hydraulic Cycle Time s 9.3
System Presure Setting MPa 18
Type   Countershaft
Transmission Gears   F4/R4
Torque Converter Type   Sigle stage 3 elements
Maker & Type   TR200
Forward I/ Reverse I km/h 7.8/7.8
Forward II/ Reverse II km/h 15/15
Forward III/ Reverse III km/h 22/22
Forward IV/ Reverse IV km/h 39/39
Brake System    
Service Brake   Dry & caliper, air to oil control
Parking Brake   Drum type shoe brake, spring applied & oil released
Steering System    
System Type   Flow Amplifying
Steering Pump Type   Piston pump
System Presure Setting Mpa 16
Steering Angle (L/R) ° 38±1 °
Axle SO32    
Main Drive Type   Spiral bevel gear, single stage
Final Drive Reduction Type   Planetary type, singe stage
Rear - Oscillating +/- ° ±11 °
Size   23.5-25
Type   Bias
Layer   16
Textured Type   L3/E3