big­ger dig­ger

Case has un­veiled its largest ex­ca­va­tor – the CX750D

Earthmovers & Excavators - - News -

The gi­ant Case CX750D, which weighs in at over 70 tonnes, has been of­fi­cially re­vealed at the Stein­expo trade fair in Homberg, Ger­many.

Case says the new ex­ca­va­tor re­places the com­pany’s CX700B and CX800B mod­els at the heavy end of the range.

The CX750D is driven by a 381kW Tier 4 Fi­nal Isuzu diesel and is ca­pa­ble of de­liv­er­ing 335kN of dig­ging force at the bucket (when us­ing the Power Boost func­tion).

Case says it achieved Tier 4 Fi­nal com­pli­ance through a com­bi­na­tion of se­lec­tive cat­alytic re­duc­tion (SCR) and diesel ox­i­da­tion cat­a­lyst (DOC) tech­nol­ogy, mean­ing a costly diesel par­tic­u­late fil­ter isn’t needed.

The CX750’s elec­tron­i­cally con­trolled hy­draulic pump and larger con­trol valves help to boost the ma­chine’s break­out force, while a hy­draulic con­trol sys­tem mon­i­tors and ad­justs hy­draulic power to the task at hand.

The ex­ca­va­tor has three op­er­at­ing modes – au­to­matic, heavy and speed pri­or­ity.

Case says it has made the boom and arm, as well as the un­der­car­riage, far more ro­bust for in­creased dura­bil­ity and per­for­mance. The arm and bucket cylin­ders have also been en­larged.

The op­er­a­tor’s cab has also been ex­panded, with a gen­er­ous amount of leg room and a fully ad­justable work­sta­tion with high-backed seat for op­ti­mal com­fort and lum­bar sup­port.

Stan­dard rear- and side-view cam­eras feed a 7-inch mon­i­tor that also gives the op­er­a­tor re­al­time ac­cess to crit­i­cal ma­chine in­for­ma­tion.

Main­te­nance and ma­chine ac­cess have also been im­proved, with wider cat­walks and higher guardrails for safety. All fil­ters are grouped to­gether in the pump com­part­ment and a hy­dro­static re­versible fan makes clean­ing eas­ier.

It’s not known if the CX750D will be avail­able in Aus­tralia at this stage.

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