Thule 6399B Motion 3 XXL Roof Box - Gloss Black 600L - 639900
Thule 6399B Motion 3 XXL Roof Box - Gloss Black 600L - 639900
Thule 6399B Motion 3 XXL Roof Box - Gloss Black 600L - 639900
📦 Free Depot Shipping - Collection Only
📦 Free Depot Shipping - Collection Only
This roof box ships free to your selected Mainfreight depot for collection. Home delivery is not available.
Common collection depots include Auckland, Hamilton, Tauranga, Wellington, Blenheim, Christchurch, Dunedin and Cromwell.
Depot pickup options are shown at checkout based on your shipping address.
Contact us about this product

Thule's Motion 3 XXL is a stylish and spacious 600L roof box that combines a sleek, aerodynamic silhouette with robust functionality.
Modern design and practicality combine in the Thule Motion 3, with clean lines and contemporary aesthetics that enhance your journey. It features improved aerodynamics and comes in a wide range of sizes - including new low-profile options.
Engineered for performance with minimal wind resistance, easy-to-use features, and a variety of innovative accessories such as bags and internal lighting make it ideal for snowy ski trips and perfect for road trips any time of year.
Features:
- Aerodynamic design: Wing-shaped profile with a dynamic, forward-leaning nose for reduced drag and fuel efficiency
- Ergonomic opening and closing: Sturdy lid design with a wide handle for smooth opening and closing with just one hand
- Advanced accessories: Available accessories include interior box light, pull strap for easy lid access, and protective box liner
- Easy to mount: Thanks to the PowerClick quick-mount system. The integrated torque indicator “clicks” when it’s properly mounted, ensuring fast and secure fitting
- Secure lid lock: SlideLock system with separate locking and opening functions, automatically locks the lid in place and indicates when the box is closed securely
- Versatile sizing: Available in a range of sizes, including the new XL low profile, to suit various vehicles and needs
- Access to the trunk: Full trunk access with minimal risk of contact with the cargo box, thanks to its forward position on the vehicle roof
Specs:
- Volume: 600 L
- External dimensions: (LxWxH) 232 x 92 x 46 cm
- Internal dimensions: (LxWxH) 220 x 77 x 40 cm
- Height off Crossbar: 40cm
- Load capacity: 75kg
- Weight: 25kg
- One Key System compatible
- Load capacity skis (pairs): 5-7
- Load capacity snowboards: 3-5
- Max length of skis: 215cm
- Hatch Clearance: Check Fitment Guide
- Owners Manual
Thule Motion 3 - Key Features:
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Secure lid lock
SlideLock system with separate locking and opening functions, automatically locks the lid in place and indicates when the box is closed securely
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PowerClick mounting
A quick, secure, and intuitive mounting system that indicates when the cargo box is safely attached with a simple click
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DualSide accessibility
Provides easy access to your cargo from both sides of the vehicle, enhancing convenience and efficiency
Thule Motion 3 600L Roof Box
Frequently Asked Questions
Is this Thule roof box compatible with my roof racks?
This Thule Motion 3 roof box can be fitted to most popular roof rack systems including Thule AeroBar, Thule WingBar, Thule WingBar Evo, Thule WingBar Edge, Rhino-Rack Vortex, Thule ProBar, Thule SlideBar, Thule Square Bar, and Rhino-Rack Sportz roof racks
Does this roof box open from both sides?
Yes - all Thule Motion 3 roof boxes have dual side opening, making it easier to load and unload your gear from either side of the vehicle.
Can I fit skis or snowboards in this roof box?
It depends on the length of your gear. This roof box has a maximum internal length of
200cm, so check your ski or snowboard length before ordering.
Will this roof box interfere with my hatch?
In most cases, no - but hatch clearance depends on your vehicle, roof rack position and roof box placement. Check out our Roof Box Hatch Clearance Guide to measure your setup.
This product is part of our Roof Box Category
View all Roof Boxes Here >
Stuck choosing between Motion 3 and Force 3?
Both are excellent choices, but they suit different priorities.
Motion 3 is the cleaner, more premium option, while Force 3 is practical, simple and a bit more value-focused.
Read our comparison guide to see which Thule roof box range is the better fit for your setup.
How to pick the Right Size Roof Box
Rain, hail, snow, or shine, a roof box is the ultimate luggage solution that adapts to all weather conditions. But did you know that these versatile boxes can be used for so much more?
About Stoke Equipment Co.
We're a Dedicated Roof Rack Store, based in Nelson, New Zealand.
We are proud stockists of Roof Rack Solutions from Thule and Rhino-Rack. Secure and reliable cargo solutions for carrying skis, snowboards, bikes, kayaks, or extra gear.
Fast NZ Shipping | Trusted Brands | Easy Installation