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SEM919

  • KeySpecification
  • Advantage
  • Application
    • Standard (Operating Weight) : 15,070 kg
    • Min. Turning Radius : 7.800 mm
    • Wheelbase : 6,140 mm
    • Best-in-class Reliability and Durability
    • Highly Efficient
    • Outstanding Operator Comfort
    • Railway / Highway / Airport
    • Municipal Construction
    • Agriculture
    • Water Conservancy / Hydropower
    • Waste
    • Forestry
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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 versatilityBlade 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

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
Model SEM919
Main Specifications
Operation Weight (Base Machine)
Hydraulic System
Operating Weight
Standard 15,070kg
With Front & Rear Counterweight 15,870kg
Overall Dimension L*W*H 8,703*2,630*3,360mm
Blade Length (L*W*H) (10´)ft 3,974*25*610mm
With Front Blade 16,270kg
With Ripper+Front Blade 17,280kg
Operating Specifications
Top Speed, Forward 40km/h
Top Speed, Reverse 29km/h
Min. Turning Radius 7,800mm
Articulation Angle, Left /Right 20°
Gradeability 30°
Wheelbase 6,140mm
Drawbar Pull 85kN
Engine
Engine Brand
Engine Manufacturer SDEC (ShangHai Diesel)
Engine Model SC8D190.1G2
Rated Power (kW@RPM) 140@2,200
Emission Tier 2
Displacement 8.82L
Bore 114mm
Stroke 144mm
Number of Cylinders 6
Transmission
Brand / Manufacturer Advance / HangChi
Type Convertidor, Powershift
Powershift Pressure 1.3~1.7MPa
Forward / Reverse Gears 6 Forward / 3 Reverse
Parking Brake Spring Actuated,Air Released
Tandem Axle
Brand / Manufacturer SEM/Caterpillar
Model ST23
Differential No-Spin
Service Brake Caliper-Disc
Secondary Dual Circuit
Oscillation Front Up 15°
Oscillation Front Down 25°
Oscillation (Front up/Rear up)
Front Axle
Ground Clearance 602mm
Wheel Lean, Left / Right ±18°
Max. Oscillation ±16°
Steering Range, Left / Right ±47.5°
Hydraulic System
Circuit Type Load Sensing, PPPC
Pump Type Variable Piston
Max. Pump Output 162.8L/min
Max. System Pressure 22Mpa
Standby Pressure 2.4~2.6MPa
Moldboard
Blade Width, Standard 3,974mm(13ft)
Blade Width, Optional 3,669mm/4,279mm
Moldboard Height 610mm
Moldboard Thickness 25mm
Throat Clearance 85mm
Float Function Optional
Moldboard Sideshift, LH 796mm
Moldboard Sideshift, RH 678mm
Circle Centershift, LH 926mm
Circle Centershift, RH 758mm
Max. Blade Position Angle 90°
Blade Tip, Forward 40°
Blade Tip, Backward 5°
Max. Shoulder Reach outside of Tires, LH 2,394mm
Max. Shoulder Reach outside of Tires, RH 2,108mm
Max. Lift above Ground 475mm
Max. Cutting Depth 715mm
Service Refill Capacity
Fuel Tank 320L
Engine Oil 22L
Coolant 65L
Transmission 28L
Differential Case 33L
Tandem Case, Each Side 62L*2
Circle Drive, Non Slip Clutch 2L
Circle Drive, With Slip Clutch 7L
Hydraulic Oil Tank 55L
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MG Maintenance
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