/ Rubble Master · crushers
RM 120X: Mobile impactor
Crush different to dominate serious projects. Efficiency and the lowest cost per tonne. A high reduction ratio with the ease of maintenance you need to hold the throughput target.
/ overview
The RM 120X is Rubble Master’s largest mobile impactor, rated to 350 tph through a 1,160 × 820 mm inlet and built for operators who must keep crushing. A 4-bar rotor is driven directly by a John Deere diesel for primary and secondary applications, while the asymmetric hopper, RM Active Grid pre-screen and load-dependent feeder hold the feed rate. A touchscreen display and RM XSMART telemetry give you the control. X-series crushers are backed by Rubble Master's 5-year / 5,000-hour limited warranty on main structural components (conditions apply).
Applications: High-volume concrete, asphalt, construction waste and rock crushing for large recycling operations and quarry duty.
Also available to hire/ features
What sets it apart.
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Asymmetric hopper
A single-piece feed hopper that aligns slabs before the inlet and reduces bridging.
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RM Active Grid pre-screen
Aggressive self-cleaning pre-screen bypasses fines to the main conveyor or a side conveyor.
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Load-dependent feeder
The vibro-feeder self-regulates to engine load so production peaks don't choke the crusher.
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High reduction ratio
A big 4-bar rotor and baffled impact plates produce well-graded, cubical product in one pass.
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Touchscreen HMI
Refined controls and clear feedback let you troubleshoot with confidence from the display.
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XSMART telemetry
Document performance, track tonnages and troubleshoot remotely from anywhere.
/ closer look
Inside the machine.
/ compare
Other crushers
/ next step
Tell us about the job.
We’ll spec the machine.
Material, throughput, transport, site conditions. A short conversation is faster than a brochure. You’ll talk to someone who’s spent their career around crushers.