World's first Caterpillar D11 dozer delivered to QLD mine

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World’s first Caterpillar D11 dozer delivered to BHP Mitsubishi Alliance’s Blackwater mine with more to come

Six new Cat D11 dozers will be added to National Group’s fleet

National Group is to deliver four more Caterpillar D11 dozers to BHP Mitsubishi Alliance’s (BMA) Blackwater mine in Queensland after delivering the world’s first Cat D11 dozer in December, with a second joining the fleet in January this year.

With the first Cat D11s trailed in North America earlier in 2019, National Group secured the world’s first next generation dozer off the production line.

"The D11 is the industry’s best large dozer so it was a logical choice for us to bring in six new dozers to add to our expansive fleet," National Group managing director Mark Ackroyd says.

Along with load sensing hydraulics reducing fuel burn, the new D11 will extend out component life from fuel burn to overhaul. Caterpillar has developed this machine to ensure faster cycle times to produce more dirt at a lower cost per ton.

"We expect to lower maintenance and repair costs by up to five per cent thanks to a new case and frame design, improved bearings, redesigned pin joints, and a 30 per cent larger oil pan," Ackroyd says.

The D11 is infused with performance-enhancing technologies to allow for greater productivity and accuracy in the field.

"With our recent shift in focus towards innovation and technology, the D11 dozer perfectly aligns with this," Ackroyd says.

"In partnership with Hastings Deering, we previously implemented and optimised semi-autonomous tractor system (SATS) technology in an Australian first for multiple D11s in a mining production environment."

Hastings Deering mining account manager Jason Garea says the relationship with National Group has grown from strength to strength over many projects.

"The D11 dozer has integrated technologies built into it, including terrain which makes for more accuracy on job sites which will ultimately reduce rework.

"There is a single frame now used between both the D11 standard dozer and the carry dozer applications. It’s a beefed-up frame that now does both.

"Mark [Ackroyd] has lined up all D11s to be fitted with the new Reclamation blade, or XU Blade which takes it from a 34 cubic metre blade, to a 42.2 cubic metre blade.

"The best thing here is that it still handles like a U-Blade and can go into the same applications.

"They are far, far more productive which reduces the cost per ton. We’re looking forward to seeing how these perform now that the first has hit the dirt."


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