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LiuGong Introduces New Line of Dual-Amplitude Rollers

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April 30th, 2012

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Guangxi, PR China – LiuGong Machinery Corp., China’s premier construction equipment manufacturer, will be unveiling four new dual-amplitude rollers at INTERMAT 2012 in April. The new line consists of three tandem hydrostatic models — ranging from 2,450 kg to 2,850 kg – and a new 11,300 kg hydrostatic single-drum machine. The four models can all be seen at LiuGong’s booth, located at 6 J062 and 6 L062 in Building 6.

LiuGong is fast becoming a global leader in roller design and manufacturing, and these new machines demonstrate how serious they are about the market. The company’s approach is to build highly efficient and reliable machines that are easy to service and own. As a result, LiuGong now ranks as the second largest exporter of rollers from China.

The models 6024, 6026 and 6028 tandems feature a new high-frequency roller technology that delivers high-density compaction and a consistently flat and even surface in the fewest passes possible. With their dual amplitude settings and 63 to 52 Hz vibration frequency range, the machines cover a broad range of material consistencies and applications.

Working widths range from 1,000 mm for the model 6024 to 1,250 mm for the model 6028.

The high-output Kubota diesel engines provide solid, reliable power and hydraulic flow with low fuel consumption. An advanced cooling system provides exceptional control over hydraulic fluid temperature, improving reliability and extending component life.  The engines meet some of the toughest standards for noise and emissions and satisfy current EU IIIB requirements.

The tandems feature an advanced new vibration ball-bearing system that maximizes lubrication and prevents fluid leaks for improved drum performance and reliability.

Large capacity water and diesel tanks extend the time between fills. The front-mounted water tank improves machine balance, and the flow is fully adjustable to match compaction needs.

Mud scrapers– mounted on both drums – are fully adjustable and made of tough, damage-resistant polyurethane.

The machines are easy to operate and put comfort and visibility at a premium. They feature a very tight reverse radius for easy maneuvering in close, difficult applications. The seat slides in four directions for improved visibility and comfort. The large, ergonomic control panel makes for simple, sure, confident control. When the operator lifts from the seat, an automatic locking system stops machine roll and vibration completely, for an extra margin of control and safety. All tandems are available with ROPS for additional safety and protection.

The LiuGong 6111H single-drum machine has a 2,100 mm working width and features a number of sophisticated new technologies that put it at the forefront of performance, reliability, fuel consumption and safety.

The machine features a unique “no moving parts” vibration exciter that totally eliminates the possibility of a weight change inside the bearings and connecting shafts. It’s a single part system with a flexible eccentric mass, and it means better performance, reliability and reduced service problems.

The rear-mounted Tier III Cummins diesel engine delivers exceptional power and fuel efficiency and low emissions. Since the radiator is at the rear, positioned behind the operator, it stays cooler and is exposed to less dust, for better performance and extended service intervals.

All bearings are fully sealed and maintenance free. No daily lubrication and greasing are needed.

A self-lifting engine cover makes for easy service access and provides for exceptional sound dampening and temperature control. Hydraulic pumps are positioned at the rear of the machine for easy access and “ground level” checks.

The cabin has integrated ROPS protection and is thoroughly isolated from noise and vibration. Tinted glass, heater, front and rear wipers, defroster and heated rear window and ventilation systems are all standard.

No-slip differentials are standard for top performance and superior control on slopes. Dual-axle brakes are also standard for extra stopping power and safety.

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