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Williams DieselJet 445

Defining luxury and performance on a smaller scale, the Williams DieselJet 445 is a sophisticated yacht tender. A handy multi-purpose boat for nipping off to the jetty, paradise island shores or letting rip on the waves in thrilling water sports action. Perfectly proportioned for yachts of 82 feet (25 metres) and more, this Williams jet tender carries seven people with ample room for any bags and belongings.

Designed with the finesse of clean modern lines and finished to the highest standard, the look of the Williams DieselJet 445 tender is one of sheer luxury. Well-padded seating and handy grab rails cosset passengers bringing a feeling of comfort and assurance.

This very capable rib boat is fitted with a powerful Yanmar 4JH4 110hp diesel engine and deploys a Williams jet pump to reach up to 40mph (64kph). This, combined with a twin lever throttle and shift control, and user-friendly digital navigation and gauges, makes for responsive and precise handling on the open seas and when performing tight docking.

The Williams DieselJet 445 tender is designed to fit all your practical needs. For instance, it features well positioned step boards and poles to ease you along when getting on and off the boat. Then there’s its windscreen, which when folded, reduces the tender’s height to 1.04m, to fit neatly into any garage. Plus, being fuelled by diesel, just like your yacht, it means you just have one fuel type to buy and take with you.

Being a Williams tender, it also benefits from a range of customisable options. Take your pick of tubing, upholstery, moulding colours and finishes to create your own personalised look.

You can also go on to add a whole host of accessories to build your yacht tender to your exact needs. A fresh water shower, LED lights, underwater lights, shore power connection point and choice of navigation systems are just some of the customised options you have to get maximum pleasure from your yacht tender.

The Williams DieselJet 445 is available now for pre-order or you can check out our current stock availability here.  We supply sales, service and support for your tender on the Balearic islands of Mallorca, Menorca and Ibiza.  Contact our team at enquiries@williamsbalear.com or call us on +34 971 694 373.



Principal Specification

LOA 4.5m / 14ft 9in
BEAM 2.01m / 6ft 7in
Dry Weight 840kg / 1852lb
Overall Height 1.38m/4ft 6in, 1.04m/3ft 5in (with windscreen folded)
Engine Yanmar 4JH4 110hp Diesel
Fuel Capacity 68 litres/18 US gal
Seating 7 persons
Max. Speed 64kph/40mph
Typical Fitment Yachts 25 m+/82ft+


  • 8 Standard Colour Schemes
  • Custom Tube, Upholstery and Moulding Colours

Standard Features

  • Bathing Ladder
  • 12v DC Socket
  • Sports Boat Hull Shape
  • Automatic Fire Extinguisher
  • Four Lifting Pad-Eyes
  • Removable Ski Pole
  • Automatic Bilge Pump
  • Battery Isolator
  • Footpump (2 Stage)
  • Twin Lever Throttle/Shift Control
  • Stainless Steel Rear Handles
  • Forward Seat Neoprene/Fabric Grab Handles
  • Piped Deck Drains
  • Hand-Made Inflatable Tube With Rubstrake & Grab Handles
  • Boarding Pole & Sockets
  • Adjustable Steering Wheel
  • Under Seat Storage
  • Sealed Upholstered Seating (removable)
  • Piped Deck Drains
  • Raymarine i70 Digital Gauge
  • Forward Cleat
  • Two Rear Tie Down Points
  • Bilge Blower
  • Tube Repair Kit
  • Owner's Manual
  • Plug in Navigation Lights (Port/Starboard/Running)
  • Teak Effect Bathing Platform/Footwells/Side-Steps
  • Bow U Bolt
  • Fitted Fuel Tank
  • Bonded Tube Step Pads
  • Folding Helm Console with Bonded Windscreen


  • LED Deck Lights
  • Optional Grey/White Teak Inlay
  • Shorepower
  • Automatic Full Tube Inflator
  • MCA Compliant High Visibility Patches
  • VHF Radio
  • Fusion MP3 (with Bluetooth)
  • Spray Dodger
  • Platform Kit (Tie Downs, Lifting Strops & Over Straps)
  • Single Point Lift
  • Battery Charger
  • Telescopic Paddle
  • Yacht Name On Tubes
  • Underwater Lights
  • Fresh Water Shower
  • Automatic Bow Tube Inflator
  • Twin Battery Installation
  • Chart Plotter
  • AIS System
  • Bimini
  • Overall Cover
  • Towing Kit
  • Electric Inflator
  • Stainless Steel Anchor
  • Yacht Name on Upholstery
  • Yacht Name on Tubes

Build it your way

Make your jet tender unique by customising colours, equipment, fabric and finishing touches.

Build My Tender
Williams Dieseljet Tender

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Calle Mar Mediterraneo, 37
Polígono Son Bugadelles
07180, Santa Ponsa, Calvià
Mallorca – Illes Balears, España

+34 971 694 373