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  • 3042 Rotterdam, Netherlands; Van Noortwijcksingel
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SEM Motor Grader 921

SEM Motor Grader 921

SEM Motor Grader

SEM Motor Grader

SEM Motor Grader

SEM Motor Grader

SEM operator cabin

SEM operator cabin

SEM 921

Category:

Used in road building, road construction, maintaining haulage roads, flat bottom ditch building, V- ditch building, cleaning and maintenance, light ripping and scarifying. Exceptional machine characteristics:

Efficient: Load sensing hydraulic system provides consistent and precise blade movement.

Reliable: A-frame designed drawbar provides strength in all blade positions.

Productive: World class industry control layout with low lever efforts for reduced operator fatigue.
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SPECIFICATIONS

Items

SEM919

SEM921

SEM922AWD

Operation Weight (Base Machine )

15,070kg

15,930kg

18,120kg

Overall Dimensions (L*W*H)

8,703*2,630*3,360mm

8,854*2,630*3,360mm

10,324*2,728*3,360mm

Blade Length (L*W*H)

3,974*25*607mm

4,279*25*607mm

4,279*25*607mm

Max. Lifting Height

475mm

475mm

475mm

Max. Depth of Cut

715mm

715mm

715mm

Max. Drawbar

≥85kN

≥85kN

Font≥26kN Rear Axle≥86

Wheelbase

6,140mm

6,140mm

6,140mm

Frame Articulation Angle

20°

20°

20°

Min. Turning Radius

7.8m

7.8m

7.8m

Engine Brand

SDEC SC8D190.1G2

SDEC SC9D220G2

SDEC SC9D220G2

Rated power

140kW

162kW

162kW

Transmission Type

Hangchi 6WG180

Hangchi 6WG180

Hangchi 6WG180

Travel Speed (Forward/Rear)

40/25km/h

40/25km/h

40/25km/h

Rear Axle/Tandem

SEM ST22

SEM ST22

SEM ST22

Service brake

Outboard disc with brake caliper,Air to oil Control

Outboard disc with brake caliper,Air to oil Control

Outboard disc with brake caliper,Air to oil Control

Oscillation (Front up/Rear up)

15/25°

15/25°

15/25°

Max. Oscillation Angle

±16°

±16°

±16°

Steering Angle (Left/Right)

47.5°

47.5°

47.5°

Max. Lean Angle of Front Wheels

18°

18°

18°

Hydraulic System

Load sensing,PPPC

Load sensing,PPPC

Load sensing,PPPC

LARGE CAB
  • Cab mounted on the front frame provides an exceptional view of the blade and front axle even during articulation
  • Large cab with 1.9m height and 30% larger space than most competitors, provides exceptional comfort
OPTIONAL ACCESSORIES

S = Standard, O = Optional

Specifications

SEM919

SEM921

SEM922 AWD

Specifications

SEM919

SEM921

SEM922 AWD

Shanghai Diesel D9-Stage II

S

S

S

Cab Heater only

S

S

S

Hangchi 6WG180

S

S

S

Headlight

O

O

O

Circle drive with slip clutch

O

O

O

Beacon

O

O

O

SEM Tandem/Axle

S

S

S

Start GP-Normal

S

S

S

Rim & Tire Group (14.0-24 12PR)

O

O

O

Start GP-Cold

O

O

O

Rim & Tire Group (17.5-25 12PR)

S

O

O

Start GP-Arctic

O

O

O

Rim & Tire Group (17.5-25 16PR)

O

S

S

Rear Ripper/Scarifier, Front Blade

O

O

O

Rim & Tire Group (17.5R25 G2)

O

O

O

Snow Wing Assembly

O

O

O

Rim & Tire Group (17.5-25 16PR L3)

O

O

O

Snow Wing Mount

O

O

O

Blade Group (12′)

O

O

O

Tool Box

O

O

O

Blade Group (13′)

S

O

O

Guard- underneath cab

O

O

O

Blade Group (14′)

O

S

S

Guard- transmission

S

S

S

ROPS Cab Group

O

O

O

Rear Fenders

O

O

O

Load Sensing (Variable Piston Pump + CAT PPPC Valve)

S

S

S

HVAC (Heating Ventilation and Air Conditioner)

O

O

O

Non ROPS Cab Group (Cab Accessories GP-STD)

S

S

S

Roading arrangement- license plate mount and light

O

O

O

Non ROPS Cab Group
(Cab Accessories GP-Premium)

O

O

O

Arctic Oils

O

O

O

ALL WHEEL DRIVE (922 AWD)
  • All-wheel drive (AWD) function designed for poor underfoot applications (snow, sand, gravel, mud, etc.)
  • Infinitely variable speed pumps and two-speed motors maximize torque in each gear delivering the most power to the ground
  • Exclusive steering compensation system enables a “powered turn” with improved control and a dramatic reduction of turning radius in poor underfoot conditions
Cat® Product LinkTM

Cat® Product LinkTM 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.

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 to 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
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 downtime and reduced labour 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 the 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
  • The 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