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Caterpillar has its CB534D XW (pictured) and CB534D twin drum compactors at bauma China 2012. Sharing a 4.93m length measurement, the CB534D XW weighs 11.3tonnes and has 2m wide drums; while the CB534D is a lighter 10.4tonnes and has 1.7m wide drums. Designed mainly for use in asphalt applications, the hard-wearing duo can also be used for soil compaction. Said by Cat to be easy to operate due to their in-built automatic speed control, which, in turn, leads to impressive compaction results, the CB534D XW a

Low emissions are a key feature of the compressed natural gas (CNG) powered crawler excavator on the XGMA stand. Designed for use in areas where exhaust emissions are strictly controlled such as urban construction sites, the 22tonne excavator offers an alternative to conventional equipment running on diesel. Performance is said to be comparable to that of a machine using diesel as fuel but the benefits in reduced emissions will be extremely useful for certain applications.

LiuGong is now offering a compact bulldozer that features a hydrostatic drive system, allowing a high degree of manoeuvrability. The CLGB110 dozer is powered by a Cummins diesel rated at 82kW and which meets Tier 3/Stage IIIA emissions legislation. Because of the hydrostatic drive, the machine has a tight turning circle while the graduated speed changing means that track wear rates are reduced. Weighing in at 9.9tonnes, the bulldozer is offered with different blade types depending on the application.

BOMAG’s BM2000/60-2 milling machine is the firm’s top-of-the-range planer, aimed at high production applications. Designed for highway milling applications the machine features a 2m wide cutting drum and 168 teeth in standard configuration, although other tooth spacing can be used depending on the application and duty. The BM2000/6-2 can cut to depths from 0-320mm deep and offers cutting advance rates of 0-40m/min, depending on the application, while power comes from a diesel rated at 440kW. Weighing in at

Mainly aimed at the Chinese market but set to be available for export in due course is Cheng Gong’s new 966H wheeled loader. The 6tonne class machine slots into the firm’s portfolio of wheeled excavators, sitting between the 5tonne and 9tonne models.

From Zoomlion comes a surprise launch at bauma China in the shape of its impressive 300tonne class shovel, the ZE3000ELs. This huge machine is powered by a Cummins QSK50 diesel rated at 1,044kW for this installation. The machine wields a 17m3 bucket, allowing it to pass match loading of rigid dump trucks in the 100tonne payload class.

The Wirtgen Group is launching the Hamm HD 138 articulated tandem roller with two vibratory drums at bauma China 2012. One of a trio of new tandem roller models from the Hamm brand, the simple to maintain HD 138, like fellow new models the HD 128 and HD O 128 V, is said to provide good efficiency and versatility, along with admirable handling and visibility. The HD 138 has a 98kW rated engine, a drum width of 2,240mm and a maximum operating weight of 1.45tonnes.

Said by Cat to offer reduced running costs, the new Cat 312D GC Series 2 hydraulic excavator being launched at bauma China 2012 is tailored for Chinese customers. A comfortable redesigned operator station is another feature of the new Cat excavator, which is also claimed to come with improved controllability. The machine feature’s Caterpillar’s sophisticated hydraulics with boom and stick regeneration circuits that save hydraulic power in boom-down and stick-in movements and help increase working efficiency

High productivity, versatility and reduced operating costs are said by Cat to be stand out features of its new 326D L hydraulic excavator, being launched this week at bauma China 2012. Weighing 25.87tonnes and powered by a Cat C7 engine rated at 140kW, the 326D L model is said to have heavy duty upper and lower structures and a spacious cab. Low fuel consumption is claimed due to the efficient hydraulics and multi-mode hydraulics, which allow operators to configure performance to best match the operating cy

Cat’s bauma China 2012 launched 986H wheeled loader is said to be built to last.Fitted with what Cat describes as field-proven Cat components to lower cost/tonne, the model’s load-sensing hydraulics and standard torque converter lock-up clutch are said to ensure optimum fuel efficiency, while a C15 diesel engine at 305kW provides the 986H with ample power. Configured as a high production machine for truck loading and large scale stocking applications, the 41.4tonne model has a 42.5tonne operating weight and