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Quarrying, Extraction and Materials Production

17 April 2013



Cat’s 988K delivers increased loading capability

First publishedbauma
Daily News
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bauma 2013 Daily Cat 988k Loader
The 988K has returned to a Z-bar loader linkage design
Caterpillar’s seventh generation 988 wheeled loader – the 988K – is powered by a Tier 4 Final/Stage IV Cat C18 ACERT diesel engine, featuring selective catalytic reduction and delivering 362kW.

The engine is said to deliver a 20% fuel efficiency benefit compared to the 988H, thanks in part to an ECO mode with on-demand throttle, auto idle and engine idle kickdown/auto resume system.

The 50tonne machine moves away from its predecessor’s monoboom loader arm design in favour of a Z-bar linkage. The solid steel arms are available in a standard or high-lift configuration and the design shortens the overall length of the machine, making it more suitable for smaller quarry applications.
With Cat impeller clutch torque converter, with lock-up clutch, the machine has direct drive to boost fuel economy and cut cycle times. The system also allows operators to balance rimpull and hydraulic power for maximum loading efficiency. 

An automatic retarding control (ARC) uses an optional compression brake to limit travel speeds and reduce service brake wear.

A new cab includes Cat’s next generation vital information management system (VIMS) to provide real-time fuel consumption and fuel efficiency readings, as well as material loaded per litre of fuel.

In-cab sound levels have been greatly reduced, to just 71.1dB(A) and the cab comes as standard with automatic climate control. Bucket capacities range from 6.4-7.7m3 and the 988K has a rated payload of 11.3tonnes.

Stand: Hall B6