Compact 4HP Electric Garden Shredder Mulcher FM4DDE-MUL

From £391.63

  • Mulches any and all Green Waste
  • Chip up to 50mm (2 inches) in diameter
  • Wood Chipper, Garden Shredder and Mulcher 3-in-1
  • Ideal for creating leaf mould (mulch)
  • Perfectly Balanced Lightweight and Maneuverable Design
  • Patent (GB2100107.8) / International (PCT/IB2021/054494)
  • NEW! Adjustable exit chute for blockage-free mulching & chipping
(64 customer reviews)
Electric woodchipper mulcher
Compact 4HP Electric Garden Shredder Mulcher FM4DDE-MUL From £391.63
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Electric Shredder Mulcher for Wood branches, Plants and Garden Waste (FM4DDE-MUL)

3-in-1 Compact Electric Wood Chipper, Garden Shredder, and Mulcher - Forest Master FM4DDE-MUL

Mulching and composting just got a whole lot easier and more effective with our patented (GB2100107.8) 4HP Electric Shredder Mulcher.

We’re always striving to improve our machines to make them the best they can possibly be and to meet our customer’s high expectations which we’ve built over decades of forestry experience.  Our newest update features a newly designed exit chute which combats and prevents blockages when mulching and chipping by allowing you to essentially have the length of the chute.

Compact, Lightweight, Powerful and Robust are the best words to describe our brand-new and innovative machine. The first of its kind, the electric shredder mulcher is capable of intaking any waste you can throw at it and processing it into precious mulch, crucial in creating effective black gold (compost) for your garden. Plants, leaves or any other garden waste can be fed into the machine and the garden mulcher will provide you with invaluable material for your compost bin in an instant. Our mulcher has been stress tested with anything you can think of and it’s yet to meet garden waste it can’t handle. Wood older than three days may produce sawdust.

What gave us the inspiration for the machine? For years we have received customer enquiries asking if we had a suitable machine for such tasks as well-known competitor brands have tried and failed at this attempt, often falling at the first hurdle of being able to process wet green waste such as grass and ivy. Our machine is a tried and tested one-stop shop for all your mulching needs.

Not sure if you require a garden mulcher or a wood chipper? This is a question of the past as the FM4DDE-MUL is perfectly capable of also chipping wood into wood chips that are 10mm and below. If you’re mulching material that is particularly wet or likes to stick to the chute, the machine is designed in such a way that you can simply hose down the chutes to clear out any excess material.

How is the FM4DDE-MUL Electric Garden Shredder, Mulcher and Chipper better than competitors? Well, our machine is designed and produced using a steel design. You’ll find that the majority of garden shredders available on the market feature a plastic design. Why is steel better than plastic in this instance? The steel design is what allows our machine to be robust and powerful. Plastic designs can damage easily and cause issues down the road. Buy a machine – buy it once, is our motto. 95% of our machine is recyclable metals.

Prefer a petrol engine? not a problem! We also have a full range of petrol mulchers on their way – ranging from 6HP right the way up to a massive 18HP.

Want to learn how to put this machine to the best use? Check out our gardening category within our blog and find out everything you need to know about creating compost. We cover every topic from mulching to creating your first compost pile, preparing your garden for the winter, creating leaf mould from scratch and finding the perfect mixture of household waste for your compost. We provide all the information you could ever need, and if that isn’t enough, we’re just a message away to help you understand anything you may need.

Internationally Protected (PCT/IB2021/054494)

Additional information

Weight 35 kg

UK Version, EU Version

Shipping options

boxed, pre-assembled

Spare Replacement Blades?

No spare blades, x1 Forged Steel Blades + Removal Tool


Mulching Laurel, Vegetables and Wood with FM6DD-MUL 3-in-1

64 reviews for Compact 4HP Electric Garden Shredder Mulcher FM4DDE-MUL

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1-5 of 63 reviews
  1. Nice solid bit of kit

    (1) (1)
  2. FM4DDE-MUL Direct Drive Garden Mulcher either needs a longer flex or a 10m extension should be offered as an accessory as who is going to use this machine 1.5m away from a mains socket? 1.5m is the length of the cable. I have given it a score of 3 as a result because I have wasted a lot of time trying to find a suitable extension cable. The instructions are poor as obviously nobody at ForestMaster has tried assembling the mulcher using them because if they had, they would have been re-written. Assembly is straightforward if the instructions are ignored. It seems well made and durable. It is compact, easy to move but unstable due to its weight.
    10m 2.5mm2 extension cables are not readily available

    (1) (0)
  3. (0) (1)
  4. Really excellent machine. Straightforward to assemble and easy to move around, though being a little heavy, it’s a bit awkward getting in and out of doors, but I’ll no doubt soon get used to that. On my first trial, I found the exit chute, being so close the the ground, almost immediately blocks with chippings. I consequently removed the lower section of the chute, which allowed it to discharge into a 40ltr plastic flexible bucket (£4 from B&M), so it now operates perfectly. I’ve so far had three sessions using it, not blocked once, a pleasure to use. It’s pretty quiet in operation, though I did go and find my ear defenders after a while! Glad I didn’t opt for the petrol version – don’t want to needlessly upset the neighbours. A 10m extension lead allows me to position it anywhere in my average sized garden. I had to make up the lead myself, as I couldn’t find a 2.5 sq mm extension. After looking at other reviewers experience of rapidly deteriorating blades, I’ve checked mine after each use. So far, no sign of damage at all, though as yet I’ve only used it on small cuttings. I might, in the future try the kit to convert it into a chipper, but so far the output is a very fine mulch – ideal for the compost bin. Recomended.

    (3) (1)
  5. (0) (0)
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Q & A

Hi, what are the dimensions of the *box* for the FM4DDE-MUL mulcher (ie not assembled version)? Mario asked on March 21, 2024

When you receive your FM4DDE-MUL mulcher, it comes neatly packaged in two boxes to ensure its parts are protected and organised. Here are the dimensions for each box:

Box 1: Length - 49 cm (19.29 inches), Width - 35 cm (13.78 inches), Height - 27 cm (10.63 inches)
Box 2: Length - 48 cm (18.90 inches), Width - 48 cm (18.90 inches), Height - 26 cm (10.24 inches)

Forest Master answered on March 25, 2024 store manager
(0) (0)
Do you have a link to a manual for this machine please ? MrB asked on September 15, 2023

Hi, You can find all product manuals on this page:

Forest Master answered on October 24, 2023 store manager
(0) (0)
Wo finde ich eine deutsche Montageanleitung Monika Bredow asked on July 7, 2023

Alle Produkthandbücher und die Übersetzungen finden Sie auf unserer Downloadseite:

Forest Master answered on July 10, 2023 store manager
(0) (0)
Was ist der Unterschied zwischen der EU- und der UK-Version? Nur der Stecker? C. Dietrich asked on June 2, 2023

Die EU-Ausgabe des FM4DDE-MUL bietet erhöhte Leistung und ist mit einem EU-Stecker ausgestattet. Darüber hinaus verfügt es über eine 13-Ampere-Abschaltung, während die britische Version mit einer 10-Ampere-Abschaltung ausgestattet ist. Dieser Unterschied ermöglicht es der EU-Version, eine größere Materialaufnahme zu bewältigen, ohne die Maschine zu überlasten.

Forest Master answered on June 7, 2023 store manager
(0) (0)
Hi I can’t see the dimensions on here, could you let me know height, width please Thx Jean Porter asked on March 5, 2023

Hi, the dimensions are as follows; Length: 910mm × Width 390mm × Height 780mm.

Forest Master answered on March 13, 2023 store manager
(0) (0)

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