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      Products

      Products

      SEM921 Motor Grader

      Features

       

      SEM Tandem Axle

      Leveraging Caterpillar designing and experience on MG tandem axle

      Improved bearing Layout and optimized load distribution with 4 planetary gears final drive

      Less down time and reduced labor and service cost for maintenance and repairing

      Longer service interval for lubrication oil change

      Leading in class manufacturing and quality control level, mandatory  performance testing before delivering to MG assembly line

       

      Control System

      7 position link bar with electric over hydraulic control allows ease of operation from within the cab

      Optimum blade reach capability, quick DCM re-positioning for greater reach for better working on high bank side slope

      The link bar is essential for extending reach capability when cutting a bank slope or back slope of a ditch

      Replaceable bushings reduce service time and cost

      Blade Float

      Standard blade float function allows blade to lower without hydraulic pressure for increased versatility

      Blade float is engaged by pushing the left and right lift cylinder controls all the way forward past the detent

      Provides protection for machine and pavement during snow removal and snow plowing

      Hydraulic System

      Proportional Priority Pressure Compensating (PPPC) Valves contain specifically cut spools for motor grader applications, continuously matching of hydraulic flow and pressure to power demands, allowing ease of multi-function control for optimizing working efficiency

      World-class variable displacement piston pump, efficiently reduces power consumption and hydraulic system heat, improving fuel efficiency

      Load-sensing hydraulic system provides consistent and precise blade movement, improving finishing performance

      Inboard lock check valves within PPPC, prevents inadvertent cylinder movement and potential leaks

      Drawbar

      A-frame tubular design drawbar provides maximum strength and durability

      Replaceable drawbar draft ball (bolted – not welded) for less service time and cost

      Easy removal of wear shims to adjust drawbar

      Front Frame

      Flanged box section design removes welds from high stress areas, improving reliability and durability

      Continuous top and bottom plate construction provides consistency and strength, improving front frame durability

      Hydraulic hose routing minimizes exposure to damage and provides quick access for service

      Maintenance-free bushings improve durability and reduce overall service cost

      Control Layout

      Short throw levers are efficiently spaced, allowing ease of multi-function control

      Short lever travel (40mm) with low lever effort reduces operator fatigue

      Cat ® Product Link™

      Cat ® Product Link™ will support your business, and accurately convey information of the equipment to relevant personnel in a timely and effective manner for your better equipment management.

      Large Cab

      High performance dashboard with 3 levels alarming monition system

      Cab mounted on the front frame provides exceptional view to blade and front axle even during articulation

      Large cab with 1.9m height and 30% larger space than most competitors, provides exceptional comfort

       

       

      Advantages

       

      High Productivity: Load sensing hydraulic system provides consistent and precise blade movement

      High Reliability: A-frame designed drawbar provides strength in all blade positions

       

      Comfort: World Class industry control layout with low lever efforts for reduced operator

       

      Specification

       

      • Item
        Unit
        Params
      • Items
         
                  SEM921
      • Operation Weight (Base Machine)
        kg
        15,930
      • Overall Dimensions (L*W*H)
        mm
        8,854*2,630*3,360
      • Blade Length (L*W*H)
        mm
        4,279*25*607
      • Max. Lifting Height
        mm
        475
      • Max. Depth of Cut
        mm
        715
      • Max. Drawbar
        kN
        ≥85
      • Wheelbase
        mm
        6,140
      • Frame Articulation Angle
        °
        20
      • Min. Turning Radius
        m
        7.8
      • Engine Brand
         
        SDEC SC9DK220G3
      • Rated power
        kW
        162
      • Transmission Type
         
        Hangchi 6WG180
      • Travel Speed (Forward/Rear)
        km/h
        40/25
      • Rear Axle/Tandem
         
        SEM ST22
      • Service brake
         
        Outboard disc with brake caliper,Air to oil Control
      • Oscillation (Front up/Rear up)
        °
        15/25
      • Max. Oscillation Angle
        °
        ±16
      • Steering Angle (Left/Right)
        °
        47.5
      • Max. Lean Angle of Front Wheels
        °
        18
      • Hydraulic System
         
        Load sensing,PPPC
      • Service Refill Capacity
      • Fuel Tank
        L
        320
      • Engine Oil
        L
        22
      • Coolant
        L
        65
      • Transmission
        L
        28
      • Rear Axle (Main Reducer & Tandem)
        L
        157
      • Circle Drive (Standard)
        L
        2
      • Circle Drive (with Slip Clutch)
        L
        7
      • Hydraulic Oil Tank
        L
        55