Humm Engineering Ltd

Humm Engineering Ltd servicing the Methven and surrounding areas with a range of general engineering repairs and agricultural maintenance, steel welding, aluminium welding, custom fabrication and specialist machining along with purpose built rut filler for hire. With a hard working team of highly experienced engineers we cover a wide range of work, no job too big or too small we pride ourselves on a top quality result.

Precision Machining

Milling, Lathe
and Broaching


MIG, TIG, Arc and Certified AS/NZS2980

Mobile Service

Fully equipped service truck and call out service

Metal Bend and Cut

Sheet metal, pipe and heavy flat steel bender

Our Team

  • Guyon Humm
    Guyon Humm Owner | Operator

    With 20+ years experience in general agricultural engineering and some years spent operating and managing in agricultural contracting. Grew up on the family farm in Mt Somers and now living in Methven with a young family who love snow skiing and motorcross riding.

  • Rebekah Humm
    Rebekah Humm Owner | Administrator

    Juggling a growing family business with a growing family makes for a busy life, fortunately many years working in administration has provided the skills & organisation needed to keep things in line.  Enjoying the challenges this busy growing business is providing.

  • Andrew Keeley
    Andrew Keeley Engineer

    Bringing a reputable 25+ years local experience in general engineering and a good can do attitude. Living in Methven with his wife Dianne they have three children. A love of vintage machinery and many varied projects keep him busy in his spare time.

  • Mark Spicer
    Mark Spicer Engineer

    Years of experience in sheet metal fabrication Mark brings a valuable set of skills to the team.  An eye for detail and a quality finish can always be expected.  A car enthusiast from off road 4wd vehicles to rotary engines, living in Ashburton with wife Emilie and new baby daughter spare time is family time.

    • Chris Doig
      Chris Doig Fitter | Turner

      A fitter/turner by trade with a strong background in agriculture working on farms in Canada, Australia and NZ. Growing up helping his father in their auto electrical business. A keen squash player and living in Methven with his Canadian speaking partner.

      • Nic Ewart
        Nic Ewart Apprentice Engineer

        Raised on a station in the foothills Nic brings a good agricultural knowledge base and a hard working nature which has made him a valuable member of the team. A keen 4wd enthusiast spare time is spent in the high country hunting or the lakes boating.

        our services

        Precision Machining

        Our workshop is equipped with modern specialist machinery in a Scott 1640 Centre Lathe and Luxcut Turret Mill enabling us to meet the specifications required by our customers.

        We have also invested in a high quality range of broaching tools to make accurate and complex cuts easily.


        No matter what application you require our workshop is set up for it.  MIG (metal inert gas welding) and TIG (tungsten inert gas welding) and ARC welding available onsite with certified AS/NZS2980 welders available we can also take care of your structural welding.   Our engineers have years of experience in a wide range of welding applications and ensure a top quality standard of welding is provided.

        Mobile Service

        We offer a call out service for any onsite repairs.  Our service truck is fully equipped with all the welding, cutting, grinding and tools for the job along with water blaster and large volume air compressor on board.  We carry a range of bolts, pins and fasteners to ensure we can get the job done.  Our engineers have excellent local agricultural knowledge.

        Metal bend and cut

        We have a panbrake sheet metal bender which can bend up to 2.5mtrs wide x 6mm thick up to angles of 120 deg and a sheet metal / plate roller which can roll up to 2.5mtr wide x 12mm thick and can roll down to 600mm dia.  The bender also has 50mm pipe dies and flat rollers on the end for rolling pipe and flat section.  Equipment for plasma cutting and gas cutting is available and our 100 tonne hydraulic press can bend and straighten all types of steel and bent parts.

        Contact Us

        Please send us an email and we'll get back to you as soon as we can. Cheers.

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