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Jet Boats

Goldfields Jet Boats WhangareiGoldfields Jet boats are designed and built in the local Queenstown area. They use the unique Hamilton water jet propulsion system.

Hamilton Jet Ltd is a New Zealand owned and operated company named after its founder, William (Bill) Hamilton who invented the Jet boat in 1952.  Goldfields Jet uses a computer controlled critical parts management system to ensure our boats are maintained to the highest possible standard.



  • Hull: 10mm marine grade aluminiun, beam reinforced.
  • Length: 4.8 meters
  • Width: 2.45 meters
  • Weight (empty) : 1950kgs
  • Maximum seating: 13 passengers

Chevrolet V8 Engine Jet Boats WhangareiEngine: Chevrolet V8

  • Capacity: 502 cubic inch (8.2litre)
  • Naturally aspirated
  • K&N high flow air filter
  • Holly 800, four barrel carburetor
  • MSD ignition system
  • High flow water-cooled exhaust manifolds
  • Twin 4-inch stainless steel exhausts
  • Twin Flowmaster race mufflers
  • Compression ratio: 8.75:1
  • Maximum power: 283 kW (380 hp) / 4400rpm
  • Maximum torque: 690 Nm / 3200rpm
  • Maximum speed: 90kph (aprox. 55mph)
  • Fuel: 96 octane, 120 litres

Hamilton 273 Jet Boats WhangareiJet unit: Hamilton 273

  • Stainless steel, four blade, internal propeller. (Impellor)
  • Hydraulic powered reverse bucket
  • Maximum thrust: 400 liters per second.