OB1 - O’Brien 47

Launched in August 2021, this luxury O’Brien 47 is our latest build.


The OB1 is currently operated by O’Brien Bluewater Charters.

Specs include:

  • Transmissions 1.75:1

  • Maximum Speed: 31 Knots

  • Cruising Speed: 26 Knots

  • Onan Genset 13.5 MDKBP 13.5kw 24 Volt Start

  • Maximum Diesel Fuel: 2,800 Litres

  • Maximum Freshwater: 900 Litres

  • Inclined Weight: 17 Ton

  • Shafts: 2205 Super Duplex 2-1/2-2205SD

  • Props: R&L 26-1/2 X 29 X 4 Blades

  • Length Overall: 14.33m (47.13ft)

  • Measured Length: 14.33m (47.13ft)

  • Water Line Length: 12.7m (41.87ft)

  • Maximum Beam: 4.73m (15.6ft)

  • Beam at Chine: 3.71m

  • Draft: 1.0m

  • Dead Rise: 16 Degrees

  • Engines: Cummins QSM 11- (449 KQ) 610 Metrix HP 602 BHP @ 2300 RPM

  • Transmissions: Twin Disc MGX5114A Quick Shift