Motor grader | SEM922

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SEM919
56,032,800.00KZT
High productivity: load sensing hydraulic system provides consistent and precise blade movement. High reliability: A-shaped traction frame provides strength in all blade positions. Comfort: layout of world-class controls with light leverage gives the possibility to reduce operator fatigue. • Hydraulic system • Directional control valves with proportional pressure compensation (PPPC) valves are designed specifically for graders. They continuously adjust the flow and pressure in the hydraulic system in accordance with the load and control actions, which greatly facilitates the control of all functions.
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SEM816D
Efficiency: electronically controlled hydrostatic drive system and multi-function joystick provide a high level of productivity and maneuverability. Convenient operation: the cab is ergonomically designed for increased operator comfort and visibility. An advanced monitoring system controls the operating conditions of the vehicle and informs the operator about all the vital functions of the vehicle. Reliability: proven hydrostatic design, as well as world-class pumps and motors ensure highly reliable bulldozer quality. Undercarriage components are designed to longer-term lifespan in contrast to leading competitors. Operational capacity: SEM bulldozers are designed for easy access to reduce overall maintenance time. Electronic control module gives the possibility to quickly troubleshooting. Hydrostatic drive with electronic control technology
• Hydrostatic system provides higher efficiency and maximum output tractive effort – 280 кN.
• Maintenance costs reduced by 60% compared to competitors that use a hydraulic torque converter and transmission design.
• Reverse rotation and power reversal functions provide excellent maneuverability on work sites
Comfortable operation
• Counterrolling — caterpillars rotate in the opposite direction, which provides better maneuverability in the class.
• Turn under load — the car retains full power when turning, which increases its productivity.
• Cruise control — the operator can maintain previous speed settings, which makes work easier.
• The multi-function joystick allows to perform reverse rotation, rotation under load and set cruise control.
• Pilot control with a joystick ensures comfortable and precise blade operation
SU type blade
• SU type blade combines excellent penetration of S type blade and high performance of U type blade
• Designed for the best load retention and penetration into tightly pressed materials
• L-shaped pushing bars keep the blade closer to the vehicle, which provides excellent maneuverability, balancing and penetrating ability of the blade.
• The blades have a robust box-section construction made of high-strength steel, which can withstand the most difficult working conditions
Undercarriage
• Undercarriage that was produced by a world-class manufacturer provides high reliability and wear resistance.
• Guide rollers, track rollers and carrying idlers are free of maintenance.
• Planetary final drive design provides increased torque ratio for maximum transmission efficiency and lower maintenance costs
• Long-lasting final drive bearings and brakes with multiple oil-cooled discs are highly reliable, reduce system heating and extend overall life
Structure
• Structural details of the vehicle are verified using finite element analysis (FEA) and workload analysis (OMSA), which allows you to identify and protect high voltage areas
• Advanced welding technologies of structural elements that relieve welding stress
Modular radiator
• New advanced cooling system enables operation at ambient temperatures from -43 ° C to +50 ° C
• Modular radiator is easy to maintain, remove and repair
• Radiator grill provides better heat transfer and easy access for maintenance
Maintenance
• The electronic control unit (ECM) of diagnostic system performs automatic diagnostics of eight key parameters
• The monitoring system displays warning signals of three levels, reporting the results of fault diagnosis
• The hydrostatic system requires less maintenance (every 2000 hours of operation), which reduces the time for maintenance by 50%
• Implement valve group mounted outside the hydraulic fluid reservoir provides easy access for inspection and maintenance
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SEM518
High efficiency: the unique construction of the shaking unit together with the drum, 50 mm dimension and provide superior sealing performance. Reliability: the shaking system uses an eccentric vibration shelf design, extends the service life up to 50%. Maintenance: counter timer and three-state control system of monitoring system. Application
• Fields of application - soil compaction in the construction of roads and railways, runways and industrial sites
• A complete set with a roller with diamond-shaped cams for compaction of clay soils is possible
• Available with a square-shaped cam roller to seal the sand
High efficiency
• Rolling press, 50 mm dimension, compacts the soil by 10-15% better than competitive equipment
• Seal off building block cooling system operates at an ambient temperature of 43°C
Reliability
• Capsule vibration mechanism extends service life up to 50%
• Closed center hydraulic system with displacement pump and motor from world famous manufacturer
• Electronically controlled transmission provides ease and convenience in operation
Maintenance
• Digital frequency counter tracks the frequency of seal
• Three-level alarm system and motor speed sensor monitor the performance of the machine
• Capsule vibration mechanism with eccentric weights increases the service life of the vibration system by 50%
• Steel shot moving inside the hollow eccentric load provides a stable oscillation amplitude, reduces the impact on the motor, increases the frequency of system maintenance
• Fully sealed actuator cam prevents contamination, increases life of bearings
• SEM 518 Roller is equipped with a 40 mm dimension rolling press
Seal off modular cooling system
• Intake fan drives cold air through the radiator, providing excellent cooling
• Additional installation of cooling system for hot climate allows to operate the machine at ambient temperature up to 50°C
• The secondary cooling tank ensures constant system pressure and convenient visual control of the coolant level
Hydraulic system with closed center
• Increases efficiency by 20% compared to an open center system
• Reduces oil pollution, prolongs the service life of the hydraulic system
• Maintains higher pressure with less energy loss
• Simplifies the layout of the hoses
• A smaller tank is required, which reduces maintenance costs
• Hydraulic components VibroSystem world-class
• At the Roller SEM 518 are mounted piston pump and motor Sauer brand
• The high-pressure hose (at vibrosystems)
• High reliability hoses and connections of the Eton brand are used
• Optimized layout of hose increases their service life
• Electronic-controlled transmission
• Easier switching reduces operator fatigue and increases work efficiency
• High reliability
• The axle is equipped with a differential with a proportional torque divider (PTD)
• PTD redistributes the torque transmitted to the wheels, depending on the condition of the ground, improves traction
• Ability to overcome the slope of 34%, while competitors only 30%
• Optimally matched transmission ratio ensures higher speed in 1st gear
• Measuring the frequency of vibration
• Constantly shows the frequency of seal
• Operator can choose suitable frequency to avoid excessive compaction
• Three-level alarm system
• The machine detects problems in the system and notifies the operator about them with the help of 3 light indicators and a sound alarm
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