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Cruisemaster DO35 Coupling w/ Handbrake

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$530.99

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DO35 Coupling

As a result of our continuous product improvement policy we are delighted to showcase our newest product offering, the HITCHMASTER® DO35 V3 Coupling with integrated handbrake. Many of the team at Vehicle Components thought that the DO35 version 2 (DO35v2) was hard to beat, but once again the engineering team have proven why they are the best in the business. The new DO35 Version 3 (DO35v3) is the strongest coupling we have ever made; it even bent our test rig! As caravans get heavier and weight distribution systems more wide spread, we went back to basics to produce the DO35v3 that can handle it all.

Forged steel, high quality polyurethane, laser cut stainless steel and precision casting has been brought together to increase the couplings strength yet also reduce weight. This updated DO35 is over 50% stronger than the outgoing model. These advanced processes have also allowed the elimination of hitch adaptors* allowing you to get on the road with less fuss. A challenging RAT Run to Cape York has shown that the new DO35v3 coupling can handle all that you can throw at it, but at its core it still retains the simple drop-on attachment method loved by travellers Australia wide.

  • * Checked on HR Classic, HR Standard, Milford and EZ-lift

Highlights

  • Forged yoke for increased strength
  • ‘Checklock’ cap system keeps dirt out of the locking mechanism whilst giving a visual indication that the coupling is locked
  • Low profile bumper for better clearance
  • Taller, forged tow pin allows for fitment without weight distribution adaptors (also backward compatible)
  • Zn-Ni and e-coat finish for improved corrosion resistance
  • Machined base and bolt lands for consistent mounting and elimination of bending stresses
  • 360° rotation reduces roll-over risk
  • Greaseable bushes
  • 2 Stage ADR Compliant locking mechanism
  • Exceeds ADR 62/01 and 62/02 strength requirements
  • Quiet operation reduces stress and fatigue whilst towing
  • Completed over 45000km of testing including a Rat Run to Cape York
  • No tow ball height restrictions
  • Mounting centre hole to centre hole is 54mm x 185mm
  • BOLTS INCLUDED!!!!

Lock pins are sold separately and are available

What is the towing capacity of this DO35 Coupling?

The product is ADR rated to 3500kg (7714lb) for use in Australia and SAE J684 rated to Class 4 trailers for use in North America. This ensures compatibility with a wide range of towing applications within specified weight limits.

Can the DO35 Coupling be used with weight distribution hitches?

Yes, the product can be used with weight distribution hitches, provided that the coupling movement is not obstructed, and the maximum downward load of 350kg (772lb) is not exceeded. Users are advised to check clearance to ensure the trailer drawbar does not foul, particularly during tight reversing situations.

What maintenance is required for the DO35 Coupling?

Regular maintenance is essential to ensure optimal performance and longevity. Recommendations include keeping the tow pin and universal mating surfaces clean and lightly greased, checking the condition of the tow pin O-ring, lubricating grease points, and conducting periodic adjustments of the slotted nut & pin if necessary. A thorough maintenance check is recommended every 10,000 km or 12 months for sustained performance.


Specifications:

More questions
Is the DO35 V3Plus ADR-compliant and secure?

Absolutely. It includes a positive-locking two-stage ADR-compliant mechanism, giving you peace of mind that the coupling is securely locked onto your tow vehicle.

Can I choose a model with or without a handbrake?

Yes! Available in both configurations:

  • With handbrake — ideal for off-road control and safety.
  • Without handbrake — simpler setup for traditional towing rigs (found here).

DO35 Coupling V3-R available to buy only online, shipped anywhere in Australia. View full specs, features, buying guides and more. Zip and AfterPay available!

Will it work with weight distribution hitches (WDH)?

Yes. The V3 and V3Plus models have been tested with popular WDH systems (Hayman Reese Classic, Standard, Milford, EZ-lift) and usually don’t require adaptors. Adaptors are available if additional clearance is needed.

How easy is installation and does it fit standard drawbars?
  • Uses a standard 4-bolt Australian mounting pattern — perfect for swapping out old ball or poly block couplings.
Is it rated for heavy duty and rugged conditions?

Yes. It exceeds ADR 62/01 and 62/02 strength requirements. Rugged enough to be bent during testing and still outperform competitors.

Is the DO35 a hitch or a coupling?

The DO35 by Cruisemaster is a trailer coupling. It attaches to a standard 50mm tow ball but offers more articulation than a typical hitch. Many people call it a “hitch” because it replaces the usual ball-style connection and handles the towing role. In towing language, "hitch" often refers to any connection between a caravan and vehicle, even if it’s technically a coupling.

MPN: 18D-DO35-V3PLUS-I

Estimated Delivery Time Frame:1-23

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Reference ID: 8869682