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SEM655D

  • KeySpecification
  • Advantage
  • Application

    Weichai

    • Rated Payload ： 5,000 kg
    • Operating Weight with Standard Bucket ： 16,800 kg
    • Bucket Capacity ： 2.7-4.5 m³
    • High Productivity
    • Best-in-class Reliability and Durability
    • Excellent Fuel Economy
    • Outstanding Operator Comfort
    • Railway / Highway / Airport
    • Port
    • Quarry
    • Municipal Construction
    • Agriculture
    • Water Conservancy / Hydropower
    • Waste
    • Coal
    • Forestry
    • Log Grapple
    • Concrete
    • Tunnel
    • Iron & Steel
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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

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

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

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

Advanced Cooling System

  • The standard cooling package provides high reliability in 50℃ ambient conditions.
  • Shock pad mounts ensure reliability under severe applications

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

Solid Structure

  • Structures undergo Finite Element Analysis (FEA) and On Machine Stress Analysis (OMSA) to ensure durability
  • Performance Series (PS) buckets improve loading capability

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

Work Tools

  • It is crucial to choose suitable configurations according to the area of ​​operation, volume and working condition, which is important to reduce additional costs, increase productivity and increase profitability. Bucket selection is also material-based.
  • Download our catalog with all available tools.
Model
Model SEM655D
Main Specifications
Rated Payload 5,000kg
Operating Weight with Standard Bucket 16,800kg
Bucket Capacity 2.7-4.5m³
Wheel Base 3,200mm
Overall Dimension (L * W * H) 8,086*2,963*3,463mm
Operating Specifications
Breakout Force 177kN
Max. Drawbar Force 171kN
B-Pin Height 4,162mm
Dump Clearance 3,101mm
Articulated Angle 38°
Transmission
Transmission Type Countershaft, power shift
Transmission Gears F4/R4
Transmission Model SEM TR200
Forward I/Reverse I 7.8/7.8km/h
Forward II/Reverse II 15/15km/h
Forward III/Reverse III 23/23km/h
Forward IV/Reverse IV 39/39km/h
Axle (Axle, Tire & Brakes)
Main Reducer type Spiral bevel gear, single stage
Final Drive Reduction Type Planetary type, singe stage
Rear- oscillation +/- ±11°
Engine
Engine Model Weichai WD10G
Rated Power 162kW-217Hp
Rated Speed 2,000r/min
Displacement 9.73L
Emission Tier II
Implement Hydraulic System
Implement System Type Pilot Control
Hydraulic Cycle Time 9.3s
System Pressure Setting 17Mpa
Raise 5.13s
Brake System
Service Brake Air over fluid caliper-disc
Parking Brake Shoe/drum
Steering System
System Type Coaxial flow amplification
Steering Pump Type Gear pump
System Pressure Setting 16Mpa
Steering Angle (L/R) 38°
Service Refill Capacity
Fuel Tank 253L
Engine Lubricating Oil 21L
Cooling System 48L
Hydraulic System 165L
Transmission Oil 53L
Differential and Final Drives 36L*2
Tires
Size 23.5-25
Type Bias
Layer 16
Textured Type L3
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SEM WL operation guide
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