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Williams DieselJet 415

In her compact proportions, the Williams Balearics DieselJet 415 yacht tender encapsulates all of Williams’ iconic features. From her impressive high-quality build, functionality and luxury through to her sheer performance power, this yacht tender has it all.

A gutsy 110hp Yanmar 4JH4 diesel engine provides enough exhilarating thrust to gain a maximum 36 mph (57 kph). Cleanly cutting through the waves,  this rib boat’s unique sporty hull is shaped to make it perform in the true Williams way.  Engineered to be up for the job, whether it’s carrying pretty hefty loads or got a water skier in tow, the Williams DieselJet 415 tender is a practical workhorse that won’t let you down.

Clever space-saving ergonomic design is at play onboard, giving up to five passengers ample room to stretch out and relax. The jet tender’s comfortable upholstered seating is bolstered with leg support and handholds, placed exactly where the passengers need them, for feeling safe and secure. Under seat storage takes care of all practical luggage considerations, while boarding platforms are positioned in all the right places to get on and off the jet tender without any difficulty.

Perfectly sized for yachts up to 75ft long, Williams DieselJet 415 fits easily into the lowest height garages thanks to its foldable windscreen and helm console.

This, like all Williams jet tenders, puts you firmly in control and is always stable due to a centrally placed engine and low-profile tubes.  Its responsive pinpoint precision makes easy work of tight tricky movements within the harbour.

In common with your yacht, the Williams jet tender runs on diesel, so on your cruises you no longer need to carry different fuels.

On top of that, with customisable tube, upholstery and moulding colours and finishes you can go bespoke and style the Williams jet tender your own personal way.

The Williams DieselJet 415 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 4.16m / 13ft 6in
BEAM 1.96m / 6ft 4in
Dry Weight 820kg / 1807lb
Overall Height 1.38m/4ft 6in, 1.04m/3ft 5in (with windscreen folded
Engine Yanmar 4JH4 110hp Diese
Fuel Capacity 68 litres/18 US gal
Seating 6 persons
Max. Speed 57kph/36mph
Typical Fitment Yachts 25 m+/82ft+

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 and Sockets
  • Under Seat Storage
  • Sealed Upholstered Seating (Removable)
  • 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
  • Adjustable Steering Wheel


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


  • Folding Carbon Fibre T-Top
  • Bimini Canopies (Front and Rear)
  • SOLAS Classification
  • Open Bow Layout
  • Coast Key (Keyless Ignition and Wireless Killcord)
  • Portable MOB (Man Overboard) LED Torch
  • Antifoul (Trilux 33)
  • Passenger Seat Coolbox
  • Quick Release Wheel
  • Bilge Alarm
  • LED Deck Lights
  • LED Underwater Lights
  • Fresh Water Shower
  • Optional Grey/White Teak Inlay
  • Shorepower
  • Automatic Full Tube Inflator
  • Automatic Bow Tube inflator
  • Auxillary Battery Instalation
  • MCA Compliant High Visibility Patches
  • AIS Transceiver
  • VHF radio
  • Fusion Standard Or Premium Music Package
  • Axiom 9 Chartplotter (Twin Screens on helm)
  • 3D Sonar
  • Spray dodger
  • Overall Cover
  • Helm Daycover
  • Platform Kit (Tie Downs, Lifting Strops & Over Straps)
  • Single point lift
  • Battery Charger
  • Telescopic paddle
  • Sunbathing Pad/ Bow Table
  • 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