Extra Tender

A Dieseljet is as brilliant at taking heavy loads as it is at pulling a waterskier, or going for idyllic cruises. The perfect combination of beauty, fun and functionality, it’s designed so the luxury on board your yacht continues to your tender. High performance comes from the Yanmar engine, which runs on the same diesel as your yacht, so no need for separate fuel. Customise it to suit your taste and match your yacht, right down to having your yacht’s name on the tubes and seating.

Supreme space, stability and buoyancy

We’ve optimised the cockpit so it offers more space for seating and storage. With a centrally mounted engine and inflatable tubes that sit lower in the water, you'll find the Dieseljet is supremely, whether you're taking tight turns or safely boarding passengers at the jetty.

More torque, less maintenance jet pumps

Our purpose-made jet pumps are not only more efficient, they're also incredibly safe, as there are no exposed moving parts. With stainless steel impellors and double-coated pumps, they provide excellent protection against corrosion, giving you long life with minimal maintenance.

Manoeuvrability in all conditions

Get pinpoint accuracy at both high and low speeds. Our unique hull, control system and jet pump make getting in and out of tight spots an easy task. Drive up to a yacht or handle confined spaces with utmost confidence. At the other end of the scale, you can open up the throttle for superior high-speed straightline tracking and precision controlled turns.

Clear Instrumentation

Have peace of mind with instrumentation to keep you informed of what’s going on above and below the water. As well as standard instruments, you can specify optional extras such as depth sounder, VHF radio and chart plotter. You can even opt to have a removable steering wheel to make storage easier and as an effective anti-theft device.

Sitting comfortably

The seating on a Dieseljet is not only comfortable, it has been designed to keep you drier and more secure. With a commanding central helm position, you can keep an eye on your passengers, and carry between seven and eleven adults.

Easily replaceable tubes

The inflatable tubes on all Williams tenders have been designed to be removed and replaced, quickly and easily. So you can get back on the water with minimal fuss.

  • MODEL

    Dieseljet 445

  • LOA

    4.50m / 14ft 9in

  • BEAM

    2.01m / 6ft 7in

  • SEATING

    7 persons

  • ENGINE

    Yanmar 4JH4 110hp Diesel

  • MAX SPEED

    64kph/40mph

  • FUEL CAPACITY

    68 litres/18 US gal

  • MODEL

    Dieseljet 505

  • LOA

    5.01m/16ft 5in

  • BEAM

    2.01m/6ft 7in

  • SEATING

    8 persons

  • ENGINE

    Yanmar 4JH 110hp Diesel

  • MAX SPEED

    64kph/40mph

  • FUEL CAPACITY

    68 litres/18 US gal

  • MODEL

    Dieseljet 565

  • LOA

    5.70m/18ft 8in

  • BEAM

    2.41m/7ft 11in

  • SEATING

    9 persons

  • ENGINE

    Yanmar 4BY3 150hp - 180hp Diesel

  • MAX SPEED

    Up to 71kph/44mph

  • FUEL CAPACITY

    100 litres/26 US gal

  • MODEL

    Dieseljet 625

  • LOA

    6.31m/20ft 8in

  • BEAM

    2.40m/7ft 11in

  • SEATING

    11 persons

  • ENGINE

    Yanmar 4BY3 180hp or 6BY3 260hp Diesel

  • MAX SPEED

    Up to 77kph/48mph

  • FUEL CAPACITY

    140 litres/36 US gal

  • MODEL

    Dieseljet 445

  • LOA

    4.50m / 14ft 9in

  • BEAM

    2.01m / 6ft 7in

  • SEATING

    7 persons

  • ENGINE

    Yanmar 4JH4 110hp Diesel

  • MAX SPEED

    64kph/40mph

  • FUEL CAPACITY

    68 litres/18 US gal

  • MODEL

    Dieseljet 505

  • LOA

    5.01m/16ft 5in

  • BEAM

    2.01m/6ft 7in

  • SEATING

    8 persons

  • ENGINE

    Yanmar 4JH 110hp Diesel

  • MAX SPEED

    64kph/40mph

  • FUEL CAPACITY

    68 litres/18 US gal

  • MODEL

    Dieseljet 565

  • LOA

    5.70m/18ft 8in

  • BEAM

    2.41m/7ft 11in

  • SEATING

    9 persons

  • ENGINE

    Yanmar 4BY3 150hp - 180hp Diesel

  • MAX SPEED

    Up to 71kph/44mph

  • FUEL CAPACITY

    100 litres/26 US gal

  • MODEL

    Dieseljet 625

  • LOA

    6.31m/20ft 8in

  • BEAM

    2.40m/7ft 11in

  • SEATING

    11 persons

  • ENGINE

    Yanmar 4BY3 180hp or 6BY3 260hp Diesel

  • MAX SPEED

    Up to 77kph/48mph

  • FUEL CAPACITY

    140 litres/36 US gal

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