
AT 450-SR 16
12–14ft (3.7–4.3m) boats
Single axle boat trailer with 16 multi-roller system to suit boats around 12 to 14 foot (3.7 to 4.3m). The 16-roller setup suits wider hulls and heavier small boats.
From$3,570incl. GST

South Island Boat Trailers
Heavy-duty galvanised boat trailers delivered across the South Island. From Nelson and Marlborough to Queenstown, Fiordland, and the West Coast. Built for NZ conditions, freighted to your door.
The South Island offers some of the most diverse boating conditions in New Zealand. The Marlborough Sounds provide sheltered cruising and fishing in a network of waterways. Nelson and the Abel Tasman coast are popular with both recreational boaters and fishing charters. Canterbury has Lyttelton Harbour and Banks Peninsula. The Queenstown Lakes district offers freshwater boating on Wakatipu and Wanaka. Fiordland's remote waters draw serious adventurers, and the West Coast has its own rugged beauty. Alpha Trailers delivers to all South Island regions, bringing the same heavy-duty galvanised construction and matched trailer setup that our North Island customers rely on.
Nelson and the top of the South Island see warm-water summer boating with excellent ramp facilities at Nelson Haven, Mapua, and throughout the Sounds. Further south, Kaikoura offers coastal launching for some of the country's best fishing. Queenstown and Wanaka provide freshwater boating on spectacular alpine lakes, where the conditions are gentler on trailers but the gravel roads to some launch spots demand solid construction. Oamaru, Timaru, and Dunedin provide east coast launching. The West Coast's rivers and coastal spots are more remote but reward those willing to tow. Whatever your South Island destination, a hot-dip galvanised trailer with quality rollers or pads ensures reliable launching and loading.
We freight trailers to the South Island regularly. Delivery typically takes three to six business days depending on your location, and we quote a full delivered price upfront. From Picton to Invercargill, our trailers arrive fully set up and ready to match to your boat. South Island customers receive the same spec, the same galvanising standard, and the same phone support from Ray as every other customer. If you need parts down the track, we ship those nationwide too. Distance from our workshop does not mean a compromise on quality or support.
Our Range
Every Alpha trailer is hot-dip galvanised, built with structural steel, and matched to your boat. Here are some of our most popular models.

12–14ft (3.7–4.3m) boats
Single axle boat trailer with 16 multi-roller system to suit boats around 12 to 14 foot (3.7 to 4.3m). The 16-roller setup suits wider hulls and heavier small boats.
From$3,570incl. GST

14–16ft (4.3–4.9m) boats
Single axle boat trailer with 16 multi-roller system to suit boats around 14 to 16 foot (4.3 to 4.9m). Heavier chassis and upgraded winch for mid-size hulls.
From$4,270incl. GST

18–20ft (5.5–6.1m) boats
Single axle boat trailer with 20 multi-roller system to suit boats around 18 to 20 foot (5.5 to 6.1m). Flagship single-axle with 100mm chassis and 10:1 ratio winch.
From$5,995incl. GST

20–22ft (6.1–6.8m) boats
Tandem axle boat trailer with 28 multi-roller system to suit boats around 20 to 22 foot (6.1 to 6.8m). Cable disc braked as standard with heavy-duty oscillating suspension.
From$7,650incl. GST
Delivered across the South Island via freight, typically 3-6 business days depending on location. Full delivered price quoted upfront.
Tell us your boat — make, model, length, hull type — and where you launch in South Island. We'll match the right Alpha trailer and send a delivered quote within one business day.
We deliver nationwide. Find information for your area.