Standard Engine Package

  • Exhaust mixing elbow [high riser]
  • 12V Electric system [single pole] / 24V Electric system [2-pole]
  • Flexible mounts
  • Alternator 12V – 90A / 24V – 70A
  • VC20 Vessel Control System
  • Electronic CAN-bus control head
  • Backup Panel
  • Lubrication oil evacuation pump [manual]

Optional Accessories

  • Secondary alternator 24V – 110A including smart regulator
  • Secondary alternator 12V – 125A or 24V – 65A [2-pole]
  • Second or third station
  • Front-PTO connection
  • Hot water connector
  • NMEA 2000 Engine monitoring system
  • JC20A Inboard Joystick
  • Extension harness [3m, 5m, 10m]
  • Man Over Board Switch


Rated Output
404 kW / 550 mhp
Rated Speed
3000 rpm
6.728 L / 411 cu. in
No. of cylinders
6 cylinders
Cylinder Bore x Stroke
104 mm x 132 mm / 4.10 in x 5.20 in
In-line, 4-stroke, vertical, water-cooled diesel engine
Combustion system
Direct Injection, Bosch Common Rail System
Turbocharged & Intercooled
12V - 90A, 24V - 70A
Dry weight without gear
780 kg / 1720 lbs
1519 mm x 893 mm x 881 mm
RCD 2 IMO Tier 2 EPA Tier 3 EMC

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Latest News & Sponsorships

Raffle for the flood-affected in Woodburn and Coraki, NSW

Woodburn and Coraki have been absolutely devastated by the latest floods in Norther NSW. Most families have lost everything. Thwaites Marine will be raffling 3x Batela Raincoats to raise money for the affected families. Every bit helps.

Laura Peregrin Thwaites Marine Owner

I have a background in diving and marine science. Before getting in business, I spent years on boats either doing research or teaching people to dive. When I met my husband Ben, he introduced me to all the technical aspects of boating: engines and hulls. We share a passion for the ocean and now we enjoy boating, sailing and surfing as a family of four.


Pierre Gal, a French expat living on the mid-north coast of Australia, is this year entering the Sydney to Hobart boat race with the help of Thwaites Marine.

Sailing Club Coffs Harbour

Thwaites Marine sponsors the Coffs Coast Sprint Regatta, typically held in April each year. The harbour provides a unique atmosphere for sailing as a natural amphitheatre with many spectator options.


Stablished in 2014, Women Who Sail Australia is a group of women interested in boats. that now boasts more than 5,000 members Australia-wide.

Copmanhurst Bass Classic

Hosted at Copmanhurst on the Mighty Clarence River, the Bass Classic is the No.1 Bass catch & release event in the Northern Rivers.

The Coffs Coast Game and Sport Fishing Club

The Coffs Coast Game and Sport Fishing Club (CCGSFC) is a non-profit organisation, family-orientated club with a group of members that share in a passion for fishing, be it fishing the awesome waters off the Coffs Coast or exploring the amazing inland waterways that the Coffs Coast has to offer.

Coffs Habour Bluewater Freediving Club (CHBFC)

Coffs Habour Bluewater Freediving Club (CHBFC) is an amateur sporting club based in the beautiful Coffs Harbour region on the North Coast of NSW. We are lucky enough to have the Solitary Islands as our front yard and such, encounter world class spearfishing and freediving every week! The founding members established CHBFC in 1994 and have since seen the club grow and bring in many new divers.

A Golden Legacy - Stacer Celebrates 50 Years of Adventures

50 years young, Stacer celebrates only the beginning of its successes, launching into the market with its latest campaign honoring a golden history of the brand name.