- © Copyright 2025 GMS Limited | Powered by WebXperts
- Service Area: Wellington • Hutt • Porirua • Kapiti • Wairarapa
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Welcome to GMS Ltd
Mobile Heavy Diesel & On-Site Engineering
We’re a family-owned mobile mechanical team servicing Greater Wellington, Kāpiti and Wairarapa. From trucks and earthmoving gear to hydraulics and welding, we come to you with diagnostics, repairs and compliance support—fast, reliable, 24/7.
- 24/7 Mobile Response
Same-day callouts, weekends
& public holidays.
- Heavy Diesel Specialists
Trucks, plant, forestry &
quarry equipment.
What We’re Offering
Mobile Heavy Diesel
Services You Trust
On-site servicing, diagnostics, and repairs for trucks, plant, and hydraulics. Fast response across Wellington, Kāpiti, and Wairarapa—less downtime, safer fleets.
Rapid on-site response that gets your fleet moving again.
Customer Feedback
What they’re saying?
“Switched to their scheduled servicing — fewer breakdowns and clearer reports for compliance. Reliable, on time, every time."
Mark Tui
Director, Tui Earthmoving
“Cylinder leak and cracked guard sorted the same visit. Clean welding, hydraulic hoses replaced, machine back earning that afternoon.”
Sofia K.
Site Foreman, Riverstone Quarry
“Called at 11pm — truck back on the road by morning. Honest pricing and proper diagnostics. Lifesaver for our delivery schedule.”
Josh MacLean
Fleet Supervisor, Harbour Logistics
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Contact
Keren Gibson
Laura Gibson
About
Small family locally owned mobile mechanical company servcing the Greater Wellington region. From the Kapiti coast to the Waiarapa and everywhere inbetween. With 10+ years in the Heavy Diesel industry, Mobile Welding and Engineering experence.