28/10/2026
40” TIRES. SERIOUS CRAWL GEARS. BIG BRAKES.
When you're tackling the legendary Rubicon Trail in a heavily modified 1997 Toyota Land Cruiser 80 Series, braking performance is about much more than stopping power.
It's about THERMAL CAPACITY.
At crawling speeds, there's virtually no airflow passing through the brakes to provide conventional cooling. Combine that with the weight of a heavily armoured 80 Series, massive 40” tires, steep descents, and constant brake applications, and you've got a serious thermal management challenge.
This is where bigger rotors make a BIG difference.
Larger rotors provide greater thermal mass, allowing the braking system to absorb more energy before reaching critical temperatures. Increased surface area also helps dissipate heat, while the additional thermal capacity helps maintain consistent braking performance through demanding descents.
Our Powerbrake X-Line Big Brake Kits are engineered for exactly these kinds of challenges.
THE BUILD:
1997 Toyota Land Cruiser 80 Series
True 40” tires
North West Fab Black Box doubler / crawl box
Marlin Crawler 3.12:1 transfer case crawl gears
5.29 differential gears
Locking differentials
3-link front suspension with coilovers
Hydro-assist steering
Trussed and gusseted axle housings
Extensive underbody and body armour
Powerbrake X-Line Big Brake Kit
With that much mechanical advantage in the drivetrain, serious suspension articulation, and a whole lot of weight to control, having confidence in your braking system is essential.
BIG TIRES DEMAND BIG BRAKES.
Huge thanks to .ca for sharing these incredible shots of their 80 Series putting in work on the Rubicon Trail! What an absolute beast of a build!
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