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Manufacturers launch new products in time for the ‘buying season’

The past few weeks have seen significant new announcements from Caterpillar, New Holland, Bobcat, Doosan and more

Latest in Cat excavators

The leader of the pack, Caterpillar, who has announced new excavators, started delivering into UK, mini-excavators announced a few months ago

At the larger end, Caterpillar has introduced 4 new models. The 336E with a net power ratng of 236 kW (an 11% increase and 4% faster cycle tme while improving fuel efciency); the 349E delivering 317 kW net horsepower, which is more than the 345D that it replaces; the 25,127 kg - 29,859 kg, 324E with 145 kW and, weighing between 28,717 kg and 31,639 kg, the 329E, with an output of 173 kW.

The new excavators visually look completely diferent. This is because of the additonal space that has had to be found in the engine compartment for the flters, cooling and afer-treatment modules that the new engines require. This give the excavators a ‘boxy’ characteristc reminiscent of some early day designs. All manufacturers have the same problem.

The latest engines use an ultra-low sulphur diesel (ULSD) or a blend of ULSD and 20% biodiesel fuel and feature an automatc regeneraton system to remove accumulated partculate mater. A common feature to the new engines is great output with less fuel but to benefit from this hydraulic systems need to be optmised and in communicaton with the engine management systems.

The Cat excavators have ‘one-touch’ idle control and an engine shut down setng via the monitor control panel which efectvely stops the engine afer it has idled for a pre-set tme. Another feature is improved load sensing to deliver power when and where its required. An economy mode maintains a constant engine speed regardless of load - a useful option in many truck loading applicatons.

Page 24 Contractors World - UK & Ireland Vol 1 No 7

Cab comfort improves and new, larger LCD

monitor is easier to use

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