Product focus: Stage V Case CX90D excavator

By: Chris McCullough

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  • Earthmovers & Excavators

European correspondent Chris McCullough went on-site with McCormack Demolition to view the company’s new Stage V Case excavator

The Stage V Case CX90D excavator

Reducing emissions from machinery is one of the biggest factors taken into consideration by construction companies when they are purchasing new equipment.

As regulations continue to get more stringent across the world, engine manufacturers are spending a fortune ensuring their engines meet the exact requirements for each region as stipulated by the rules.

Case is no exception and has already launched its Stage V compliant CX90D excavator selling its very first one for the European market to a contractor in England.

Now the manufacturer has sold the first one in Ireland, north and south, to a demolition company based near Belfast in Northern Ireland.

McCormack Demolition operates across the UK and Ireland from its base in Mallusk, running a fleet consisting of JCB, Volvo and Case excavators.

There was a place in the fleet for a smaller nine tonne machine so McCormack decided to add a Case with lower emissions to work in built up areas where space was constricted and people aplenty.

Operator Aidan McEvoy (left) with McCormack Demolition contracts manager Eamon Deery

Back in July, the new Case CX90D excavator was prepared and sold by local Case dealer Cowan Bros NI Ltd, also based near Belfast, who delivered it to McCormack Demolition.

According to the company it was the versatility of the machine, along with the cleaner engine, that pulled McCormack Demolition to this particular model.

"The Case CX90D is being used in all types of demolition projects, from large rural sites to inner-city locations," says McCormack Demolition contracts manager Eamon Deery.

"Its compact size means that it can work inside buildings to dismantle sections that the bigger equipment can’t reach. Some sites, especially those in city centres, have extremely challenging access issues and we need machines that are able to manoeuvre in these tight spaces.

"Our operators are really pleased with the machine already. Having purchased larger Case excavators some years back, we were already aware of the high quality of Case equipment but the new CX90D takes this to another level.

"In particular, we are impressed with the ease of operation and the comfort inside the cab.

"The Stage V engine future-proofs our fleet for inner-city projects where air emission legislation is getting tougher. We need to use heavy equipment to get the job done but now we can do that while creating as little environmental impact as possible," he says.

The engine delivers 20 per cent more power than the previous model. Features include two-speed hydrostatic transmission, with variable displacement axial piston motor and automatic travel speed shifting


The new Stage V engine in the Case CX90D is a highly reliable four-cylinder 68hp (51kW) Yanmar engine which meets the latest EU standards for engine exhaust emissions that set new limits for particle number (PN) and further reduced particulate matter (PM) levels.

Some of the other features on the Case CX90D include two-speed hydrostatic transmission, with variable displacement axial piston motor and automatic travel speed shifting. Plus there is a wing boom design with generous swing angles of left 80 degrees and right 45 degrees.

Weighing in at 8,630kg the Case CX90D can lift up to 1,800kg at four metres reach and has a maximum digging depth of 4.59m.

"The new Case is very comfortable, has superb visibility from the cab and is very quiet. This one is on 600mm pads and is very stable. It has plenty of power and can do the same work a 13-tonne digger would do," says McCormack Demolition operator Aidan McEvoy.

Andrew Mawhinney, sales representative with Cowan Bros, adds: "McCormack Demolition is a respected and well-established business in our local area. We have worked with the team for a number of years, providing servicing and engine refurbishment on some of their older Case machines.

"We knew that the CX90D would be the perfect fit with their existing fleet and we adapted the machine specifically for McCormack’s needs, fitting extra demolition guards and rotation circuits to make it fit for purpose in these tricky demolition tasks," he says.

Operators are impressed with the ease of operation and the comfort inside the cab

Detailing more about the engine, Case product director Alain de Nanteuil says: "The Yanmar Stage V engine meets the new requirements, but we wanted to deliver more than compliance.

"This engine delivers 20 per cent more power than the previous model but actually uses 4.5 per cent less diesel. Particulate matter has been reduced by 40 per cent with the introduction of the diesel particulate filter (DPF), but we have been careful that the changes have no impact on the operator. The filter is self-cleaning and will have no impact on the operator’s working day.

"Another huge benefit for the operator is the best-in-class noise levels of only 69dB inside the cab.

"We have maintained the low noise levels with this new engine but we’ve also made the engine more pleasing to the ear thanks to the different sound frequencies generated by the engine.

"We have also added a large, latest generation, multifunction monitor which gives operators more control than ever, helping them to get the job done more efficiently.

"We’ve always considered operator comfort as one of the key features of our heavy line range, and this is something that we will continue to focus on as we introduce further Stage V models to the fleet," he says.


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