Built to move, engineered to perform
The M&J 4000M mobile pre-shredder is a powerful unit built for maximum versatility and mobility. Its unmatched power means you don’t need to spend time pre-sorting material. It shreds bulky waste, MSW, C&I waste, wood, C&D debris, and more with ease—giving you the freedom to shred on-site without sacrificing performance. The M&J 4000M is available on crawlers or a trailer, so you can easily relocate it between sites or around your facility as needed. The M&J 4000M is ready to roll.
Up to 100 t/h
Capacity
8, 9, 10, 12
No. of knives
403 kW.
Power Range

Key benefits at a glance

Unique M&J Features

myM&J Performance

With myM&J Performance, you can monitor your shredder’s health in real-time and avoid costly breakdowns.

myM&J Performance is a digital solution that optimizes your M&J shredder’s operations. Through remote data monitoring of your shredder, you will get access to critical insights into your waste shredder’s condition, performance, and maintenance needs.

Suitable waste types

Downloads

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Customer testimonial
“During a demo with the M&J 4000M, a 16x80 mobile home with four axles was fed to the shredder. It literally ate it like a cookie. It was very, very impressive ... none of them [competing mobile shredders] compared to M&J. It simply outperformed the competition.
Charles Hartsell, Chief Operating Officer, Rockwood Sustainable Solutions

Gallery

See an M&J shredder in action

We know that seeing is believing. That’s why we offer the opportunity to experience our industrial waste shredders in action.

Get help choosing the right shredder

With many factors to consider, choosing the right shredder isn’t always easy – that’s where our experts come in, ready to guide you.

Rockwood Sustainable Solutions: The M&J shredder outruns our screeners, our belts – and everything else we tested.

After Rockwood Sustainable Solutions invested in an M&J 4000M, the company has been able to shred 100 tons extra C&D waste daily.

Check out other M&J Shredders