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The MDX site dumpers have vibration- damped integral cabs and wide entry steps.

Mecalac gears up

The manufacturer is busy developing new site dumpers with integrated cabs as well as updating its popular MBR71 mobile roller breaker. Nick Johnson reports.

One of the site dumper makers busy addressing demands for safer machines is the French construction equipment manufacturer, Mecalac. Having bought the Terex Coventry facility at the beginning of 2017, it has now revealed two new MDX dumpers with integral cabs.

Corresponding figures for the 9MDX are 2,380mm (width), 5,860kg (weight), 3,430mm (height) and 24km/h (speed). Both models are scheduled to become available for sale from October this year.

Safety packages

To meet the increasingly stringent demands from some UK contractors for safer site dumpers, Mecalac has developed two new Shield safety packages for both the new MDX cabbed dumpers and its more traditional ‘classic’ TA6, TA9 and TA10 models with just ROPS safety frames. These packages make use of a re-designed dashboard.

The 9.0-tonne capacity 9MDX displays a stylish family likeness to other Mecalac compact machines.

The new generation Coventry-made Mecalac site dumpers are the latest in a long line of Terex and Benford derived machines. Indeed, the first Benford model was the 500kg-payload Benford Mark 1 which appeared back in 1953 - some 65 years ago. Mecalac chose the Intermat exhibition in Paris last April to publicly unveil its brand new MDX articulated dumper duo with fully integrated cabs. Designated the 6MDX and 9MDX to reflect their payloads of 6.0 and 9.0 tonnes, these stylish machines have forward facing cameras and can be supplied with either front tipping or swivel skips.

Both are fitted with a 55.0kW (73.8hp) Perkins 854 Stage IIIB engine and a diesel particulate filter with passive regeneration. To provide service access, these newcomers are fitted with upward opening, side- mounted gullwing doors. The dumpers’ drive trains utilise ITL synchro- shuttle transmissions and Dana Spencer axles. The brake system, operated by a low-effort pedal, is powered by the main hydrolics.

The vibration isolated MDX cab has wide opening side doors and evenly spaced, self-cleaning steps are located on either side of the machine for safe and easy entry and exit. The ROPS / FOPS Level 2 certified cab has a curved front screen made of armoured glass and there is the option of a slatted steel front guard. Air conditioning is an option and the cab roof carries amber and green warning beacons - the latter indicating that the operator’s seat belt is fastened.

The 2,190mm wide 6MDX has an unladen weight of 4,950kg. Machine height is 2,930mm and maximum travel speed is 28km/h.


Sharp-eyed Intermat visitors could spot this Kohler-engined prototype MBR71 pedestrian operated mobile breaker roller.

Mecalac’s engineering team has also been busy working on updating the popular MBR71 single drum pedestrian operated roller breaker. Again first seen at Intermat, the prototype features a 7.2kW (9.6hp) Kohler engine, a drive motor within the drum to reduce side overhang, a bigger water tank, a more ergonomic handle and a more stylish jockey wheel. The final design is likely to become available for sale in the first quarter of next year.

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The standard Shield package provides a start and drive interlock, warning alerts for the seatbelt, handbrake and service intervals, a factory set speed limiter, auto-idle shut-off, stop/start control and an auto park brake test. As an option, customers can choose Shield Pro which adds skip interlock, skip operation speed limit, an adjustable speed limiter, tilt limit warning and restriction, rollover lockout, fuel loss warning and idle shut-off via Bluetooth and a smartphone app. A Hazard Detection system is a standalone option. Developed by Mecalac in partnership with Vision Techniques, this is designed to identify obstacles that are not visually obvious and alert the driver.

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