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

About Us

Locally owned and operated Humm Engineering was established in 2016 by Guyon Humm as a mobile welding and repairs service.
Demand soon required a workshop base and provided an opportunity to expand the team and invest in new tools, machinery and equipment to meet the the engineering requirements of our customers.

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.

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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