SEM 688G Wheel Loader

Low fuel consumption and low operating costs

· Hydrostatic drive design is more efficient than conventional torque-converter drive, significantly reducing fuel consumption

· Load-sensing dual variable-displacement merge hydraulic system reduces hydraulic losses and supplies oil on demand for greater energy efficiency

· Multiple wet disc service brakes are built-in, with long friction disc life and no frequent replacement of dry brake friction discs

· The torque converter is removed and a simpler transmission is used, effectively lowering repair and maintenance costs for the drive components

· Low-speed-ratio flexible electromagnetic fan adjusts speed based on engine coolant temperature for quiet and energy-efficient operation

Reliable performance and long service life

· Equipped with hydraulic core components from world-renowned brands for high reliability

· Caterpillar-technology structural components: four-piece tower-style front frame and box-section rear frame are sturdy and durable

· Proven Caterpillar classic four-section drive axle technology for mature, long-life performance

· Full hydraulic wet braking with hydraulic caliper disc parking brake provides responsive, safe, and reliable braking

· Caterpillar-technology monoblock work hydraulic valve reduces leak points for reliable performance

Comfortable ride and easy control

· New high-visibility, widened cab offers 20% more space, excellent visibility and comfort, and is standard-equipped with automatic climate control for a pleasant feel

· Hydrostatic design with self-developed hydrostatic transmission enables wide-range torque conversion and infinitely variable speed, further simplifying operation

· Additional 8-inch LCD screen monitors machine status in real time, and rearview camera is standard to effectively improve operator rear visibility for safer operation

· Single-lever pilot control with FNR switch, linked to the seat, gives the operator a comfortable hydraulic control experience

· Load-sensing steering hydraulic system provides good controllability and high maneuverability

· Multi-adjustable suspended heated seat, fresh-air pressurization system, and optional weighing system and automatic centralized lubrication make the cab more comfortable and allow longer continuous operation

High efficiency and fast operation

· The load-sensing dual variable-displacement merge hydraulic system provides fast response, and the pressure-compensated work valve designed and manufactured by Caterpillar enables simultaneous boom lift and bucket tilt for high work efficiency

· Driving is smooth and comfortable, with infinitely adjustable traction force, delivering maximum drawbar pull even at low speeds for excellent adaptability to working conditions

· Electric boom limit and automatic leveling device make operation easier

· The high-performance bucket series with dedicated ground-engaging components provides stronger pile penetration; bucket teeth with small cutting edge ensure durability and higher loading efficiency

· The long wheelbase and central articulated frame layout provide strong torsional resistance and agile response, as always