Current Ratings
| System | Dynamic | Static |
|---|---|---|
| Station Wagon roof | 330 lb | 925 lb |
| DualTrack 2-rail | 150 lb | 300 lb |
| DualTrack 4-rail (Wagon) | 300 lb | 600 lb |
| DualTrack 6-rail (Wagon) | 330 lb | 900 lb |
Mounting Interface
DualTrack-T MAX bolts to factory roof attachment points without drilling. It does not slide on a factory rail. Each rail supplies an L-Track channel and a 25mm T-slot channel.
Calculate the Complete Load
Count rails, bars, brackets, accessory, cargo, and occupants when applicable to the parked use. The Station Wagon vehicle ceiling includes that hardware; the lowest limit in the complete path governs.
Quartermaster: the current DualTrack page permits only the two-rail kit over the rear seats and rates that kit at 150 lb moving/300 lb parked. Do not transfer the Station Wagon vehicle figures to a Quartermaster; verify the exact Quartermaster handbook/label before loading.
DVA Hardware
Use the L-Track collection and current DVA catalog for compatible hardware; verify each item's current fitment and rating.
DVA Mounting Products for This Build
Use the current product pages for fitment, included hardware, price, and installation requirements. These products do not increase any INEOS vehicle rating.
Owner Reality Check
Seems all the full roof racks have at least some mounts that attach to the gutter.
— angusmacg, The INEOS Forum, “Roof Rack,” Oct. 2024
Crossbars or a Full Platform?
| Decision | Crossbar/rail layout | Full platform layout |
|---|---|---|
| Best fit | Defined accessories with documented support points | Mixed cargo that genuinely needs a broad deck |
| Mass accounting | Count every rail, bar, and bracket | Count the deck, perimeter, feet, and accessory mounts |
| Access | Open roof areas remain reachable | Broad coverage may simplify cargo placement only when its maker permits it |
| Verification | Check accessory span and bar requirements | Check platform footprint, attachment map, and every rating |
Choose crossbars when
The cargo is one or two defined accessories, their makers publish compatible support positions, and the complete rail/bar/bracket mass stays inside every vehicle and system limit. Crossbars also make sense when open roof area and easier removal matter more than a continuous deck.
Choose a full platform when
The trip load changes regularly or truly needs a broad supported surface, the platform maker documents the intended point loads and restraint method, and its added mass still leaves adequate payload. A platform is not automatically stronger, and crossbars are not automatically lighter after adapters are counted.
Worked accounting method
Let R equal the documented installed mass of the rails/platform, A the mounted accessories, and C the trip cargo. The moving total is R + A + C. Compare it with the vehicle ceiling and system ceiling; the lower number governs.
For a six-rail Wagon system, both published moving ceilings are 330 lb, but no net cargo figure is defensible until R and A are documented. For parked occupancy, repeat the calculation with people and every item on the roof against the parked ceilings.
Three practical cases
- One fixed accessory: begin with the smallest documented support layout that satisfies the accessory instructions and every limit.
- Accessories that change by trip: prioritize a repeatable interface and record the approved hardware for each item.
- Broad loose cargo: evaluate a platform, but confirm restraint and whether the deck is approved for the intended point loads.
A Second Owner Perspective
I got the two aftermarket bars instead of a rack. I like that they install by replacing the factory bracket on the silver roof bars.
— psignore00, The INEOS Forum, “Roof Racks”
Read the second cited owner thread
Sources
The DVA Setup for This
Plan the Grenadier system from verified limits
Use the live DVA product pages for current fitment, included hardware, price, and installation requirements. Product hardware does not increase the vehicle rating.
Shop Grenadier Accessories →