Crushing It - With Rubble Master and Red Knight 6 Ltd

Austrian based Rubble Master are leading the impact crushing world with their range of RM crushers, available from UK distributor Red Knight 6 Ltd. The range is led by the RM120X, delivering maximum efficiency and simplicity for use on a wide range of applications.

The RM120X features a range of solutions to make the life of the operator easier and safer, whilst also delivering cost benefits back to the business through intelligent management of the machine, based on the amount and type of material being crushed.

The RM Operations Assist and RM GO! SMART functions enable the operator to keep track of the machines performance from the excavator cab, with live updates on engine performance, fuel consumption and machines performance all clearly visible via a lighting system on the outside of the machine.

“The Rubble Master impact crushers are industry leading for a reason. Built to the most exacting standards, we’ve sold over 130 machines into the market in the last 5 years and those customers know they can trust the RM range to get the job done. The RM120X is the next evolution in the range. The largest of the impact crushers it also offers simplicity of use, maximum efficiency and safety for the operator via the Operations Assist,” said Paul Donnelly, Managing Director of Red Knight 6 Ltd.

The Rubble Master range are highly mobile, versatile and powerful machines are ideal for crushing natural rock (riverbed material, basalt, limestone, gypsum, granite) and for recycling rubble, asphalt, concrete, glass and production waste.

The range consists of 5 machines, ranging from the RM 60 to the full spec RM120X. The hallmark of all 5 crushers is simplicity and efficiency, meaning short set up times and ease of use, getting RM crushers to work quickly.


Output (material dependent)

Feed material size

Inlet opening


RM 60

Up to 80 tph

Edge length max 500mm

640 x 550mm


RM 70GO!

Up to 150 tph

Edge length max 600mm

760 x 600mm


RM 90GO!

Up to 200 tph

Edge length max 650mm

860 x 650mm


RM 100GO!

Up to 250 tph

Edge length max 750mm

950 x 700mm


RM 120X

Up to 350 tph

Edge length max 850mm

1160 x 820mm



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Associated Businesses

  • Red Knight 6 Ltd are distributors of world leading crushers, screeners, compact recycling and most recently transportation solutions.As the appointed dealers of Rubble Master, Anaconda, Komplet and Chieftain Trailers. We prid...