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GM Tumbler

GM Tumbler Contact Details

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Mr Gerard Flynn
Camaghy Road South
County County Tyrone
BT70 2NP
Northern Ireland
Opening Hours
07:00 am-05:00 pm
07:00 am-05:00 pm

07:00 am-05:00 pm

07:00 am-05:00 pm

07:00 am-05:00 pm

07:00 am-01:00 pm

07:00 am-01:00 pm


Other Dates

About GM Tumbler

GM. Tumbler was established in 2011 to provide replacement Mixer Drums and Spare Parts to Readymix Concrete Manufacturers throughout Ireland and the UK. We can build replacement drums for all makes. We use wear resistant steel on the outer skins, blades and tips. With our unique mixer blade arrangement our mixer drums have no bother mixing and discharging semi-dry concrete or special mortar mixes.

Mixer Makes
GM Tumbler manufacture new and repair drums, chutes, blades, gear trains and controls for the following makes. We also carry spare parts and liners for all mixers.
  • Baryval
  • Cifa
  • Euromixer
  • Gort
  • Hymix
  • Imer
  • L & T
  • Liebherr
  • McPhee
  • Stetter

The following mixer products are manufactured onsite at GM Tumbler.
  • Replacement Drums
    Replacement mixer drums are available for all makes. They are completed in approximately 3 weeks including being blasted and primed. Fitting to a vehicle takes place on our premises in 1 day.

  • Chutes and Hoppers
    Made-to-measure chutes and hoppers to fit all existing mixers. Available in both round- and square-profile mouths. Built using wear-resistant steel.

  • Wearplates and Liners
    Protect your mixers with our wearplates and custom-built liners, all manufactured using wear-resistant steel.

  • Batching Plants
    For more details on our 60 cubic m/hr Batching Plants, please contact us for full specification.

  • Mould Boxes
    Don't waste extra meters of concrete, use our Mould Boxes for precast wall blocks.
The following services are provided by GM Tumbler:
  • Drum Refurbishment
    Don't need a whole new drum? No problem. GM Tumbler can refresh your drum. Worn parts can be replaced. The drum can be blasted and blades re-tipped. Get in contact to arrange an inspection and quote for bringing your drum back to near-new.

  • Re-Blading & Re-Tipping
    New mixer blades can be manufactured for your drum or we can simply re-tip your existing blades. Generally this work is completed over 2 to 3 days.

  • Fitting Liners
    If you already have spare liners we can fit them for you in a day!
Spare Parts
The following spare parts are available via GM Tumbler:
  • Gearboxes, Pumps and Motors
    Direct replacements sourced and fitted within 1 week.

  • Rollers
    Rollers are available for all mixer makes on next-day delivery.

  • Cables, Controls, Handpumps & Rams
    Contact us for any control items you need replacement. Typically next-day delivery and we can fit them for you.
Bespoke Manufacture
GM Tumbler also provide a custom build-to-specification service. Feel free to send through drawings for our inspection and quotation. Previous examples of our bespoke build work include:
  • Pipe Trailer
    Bespoke machines built for QME for use in Underground Mining Operations. For more examples please visit their website.

  • APS100
    Semi-mobile 100 ton/hour Sand Washing Plant built for Aggregate Processing Solutions UK.

  • APS400
    Semi-mobile 300 ton/hour Sand Washing Plant built for Aggregate Processing Solutions UK.


Products & Services

Ready mix




concrete & mortar readymix

Replacement Drums



Drum Refurbishment

Concrete Mixer Oil Cooler

Concrete Mixer Waterpumps

Concrete Mixer Handpumps

Batching Plants

Mould Boxes

Concrete Mixer Levers

Pipe Trailer

Concrete Mixer Cables


Fitting Liners

Drum Refurbishment

Concrete Mixer Motors

Concrete Mixer Pumps

roller mixer gearboxes

Concrete Mixer Gearbox

mixer gearboxes

Mixer Rollers


spare mixer parts

Spare Parts

Replacement parts

Concrete Mixer Drums

bespoke builds

Mixer drums

replacement drum

New concrete mixers

Concrete mixers


Name Role Email Telephone
Mr Gerard McFlynn MD 07976 184138
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2024/07/16 20:09:53