SEM919

Key Specification
Advantage
Application

Standard (Operating Weight): 15,070kg
Min. Turning Radius: 7.8m
Wheelbase: 6,140mm

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 fatigue

Railway / Highway / Airport
Municipal Construction
Agriculture
Water Conservancy / Hydropower
Waste
Forestry

Feature
Specification
Product Comparison
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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 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

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


Model	SEM919
Main Specifications
Operation Weight (Base Machine)
Hydraulic System
Operating Weight
Standard	15,070kg / 15.370kg(With ROPS)
With Front & Rear Counterweight	15,870kg / 16,170kg(With ROPS)
With Front Blade	16,270kg / 16,570kg(With ROPS)
With Ripper+Front Blade	17,280kg / 17,580kg(With ROPS)
Operating Specifications
Top Speed, Forward	40kph
Top Speed, Reverse	25kph
Min. Turning Radius	7,800mm
Articulation Angle, Left /Right	20°
Gradeability	30°
Wheelbase	6,140mm
Travel Speed, Forward	5.3/9.1/12/20/25/40kph
Travel Speed, Reverse	5.3/12/25kph
Drawbar Pull	85kN
Engine
Engine Brand
Engine Manufacturer	SDEC
Engine Model	SC9DK190.1G2
Rated Power	140 @ 2,200kW @ RPM
Max. Torque	720 @ 1,400~1,600kN@RPM
Emission	Tier 2
Transmission	Hangchi 6WG180
Displacement	8.82L
Bore	114L
Stroke	144L
Number of Cylinders	6
Transmission
Brand / Manufacturer	Advance / HangChi 6WG180
Type	Converter, Powershift
Powershift Pressure	1.3~1.7MPa
Forward / Reverse Gears	6 Forward / 3 Backward
Parking Brake	Air Actuated, Spring
Tandem Axle
Brand / Manufacturer	SEM / Caterpillar
Model	ST23
Differential	No-Spin
Service Brake	Air to Oil, 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
Blade Width, Optional	3,669mm / 4,279mm
Moldboard Height	610mm
Moldboard Thickness	25mm
Throat Clearance	85mm
Float Function	Standard
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°
Blade Cutting Angle	/
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
Max. Lifting Height	475mm
Max. Draw-Pull	≥78kN
Service Refill Capacity
Fuel Tank	320L
Engine Oil	22L
Coolant	65L
Transmission	28L
Differential Case	33L
Tandem Case, Each Side	62L
Circle Drive, Non Slip Clutch	2L
Circle Drive, With Slip Clutch	7L
Hydraulic Oil Tank	55L
Rear Axle (Main Reducer & Tandem)	157L