SEM656D (Weichai)

SEM656D (Weichai)

Advantages

* 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

Inquiry
Features Specification Work Tools Photo

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

Serviceability

  • 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

  • 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
  • Engine
  • 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
  • Transmission
  • 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 °
  • Tires
  • Size
     
    23.5-25
  • Type
     
    Bias
  • Layer
     
    16
  • Textured Type
     
    L3/E3

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