Heavy Equipment engineering.

Fabrication, repairs, and certified welding to extend equipment life and performance across NZ.

Built Strong. Backed by Expert

Heavy Equipment Engineering Services.

MIMICO offers in-house and mobile engineering services for machinery working in construction, quarrying, transport and recycling. From precision welding and structural repairs to custom fabrication and line boring, our experienced team delivers dependable solutions that keep your equipment productive.

Custom Steelwork, Frames & Machine Modifications

General Fabrication

We fabricate new components, guards, brackets, and access platforms for all types of heavy machinery. Tailored to your specs and built to last.

MIG, TIG & Arc Welding for Structural Integrity

Certified Welding

Our welders are certified for structural and pressure welding applications. We carry out repair work, build-ups and structural joins to OEM or engineering-approved standards.

In-House & On-Site Bore Repairs

Line Boring Services

Accurate line boring for worn pivot points, pins and bushes. We restore bores to original specs with minimal downtime, extending component life.

Rebuilds, Re-plates & Wear Protection

Bucket & Attachment Repairs

Repair and strengthen worn or cracked buckets, grapples and other attachments. We fit wear strips, side cutters, edge reinforcements and new pins/bushes.

Wear Resistant Coatings & Overlays

Hardfacing & Wear Solutions

Protect high-wear surfaces on buckets, crushers and chutes with hardfacing overlays. Reduces replacement frequency and improves service life.

Decking, Brackets & Load Securing Systems

Trailer build & Repairs

Structural welding and fabrication for low-loaders, truck decks and trailers – including ramps, tie-downs and wear pads.

Machined Parts & Custom Builds

Component Manufacturing

We manufacture custom pins, plates, spacers, and components to match worn or obsolete OEM parts. Ideal for one-off solutions or rebuild projects.

One-Off Builds & Fleet Modifications

Project-Based Engineering

Need a unique machine setup or retrofit? We collaborate on engineered upgrades, structural changes and safety improvements for machinery fleets.

Brands We work with.

We support a wide range of leading heavy machinery brands through tailored engineering services – from repairs and rebuilds to custom fabrication

need answers?

Frequently Asked Questions.

Yes, we provide certified welding services including MIG, TIG and arc welding for structural and mechanical applications.

Absolutely. We specialise in welding, re-plating and reinforcing cracked or worn buckets, booms, arms and more.

Line boring restores worn pivot points, bores and pin holes to OEM spec. It’s typically needed when components show excessive play or wear.

Yes. We build custom guards, mounts, access steps, toolboxes, and structural mods to suit specific machines or work environments.

Yes. We apply wear-resistant overlays to high-impact or high-wear areas, extending component lifespan significantly.

We offer limited mobile welding and line boring services, depending on region and scope. Enquire with your local branch.

We support most major OEMs including CASE, Metso, ASV, McCloskey, and legacy brands like Kobelco and Moxy.

Yes. We repair or fabricate structural components for transport gear, including ramps, brackets and tie-down systems.