Digger's Dungeon R/C Monster Jam Update: Know Your Tire Size!

We have been receiving many questions regarding tires sizes for the Digger's Dungeon R/C Monster Jam World Finals.

Racers must follow the R/C Monster Motorsports Rule Book regarding tire sizing per truck classification.

Click here to view the rule book online.

Truck classifications for Digger's Dungeon R/C Monster Jam World Finals

Small Block Class - Any Nitro burning engine from .12 - .20
Small Block Monster Truck tires shall be any tire no smaller than: 5” high by 3” wide. Any rubber tread type is permitted. Custom cut tread designs will be allowed.

Big Block Class - Any Nitro burning engine .21 and larger
Big Block Monster Truck tires shall be no smaller than: 5” high by 3-5/8” wide. Any rubber tread type is permitted. Custom cut tread designs will be allowed.

4wd Brushless Electric Monster Truck Class
Brushless Electric Monster Truck tires shall be any tire no smaller than: 5” x 3” wide. Any rubber tread type is permitted. Custom cut rubber tread designs will be allowed.

4wd Pro Modified Electric Monster Truck Class
Pro Modified Electric Monster Truck tires shall be any tire no smaller than: 5” x 3.5” wide. Any rubber tread type is permitted. Custom cut rubber tread designs will be allowed.

4wd Brushed Electric Monster Truck Class
Brushed Electric Monster Truck tires shall be any tire no smaller than: 5” x 3” wide. Any rubber tread type is permitted. Custom cut rubber tread designs will be allowed.

If you have any questions please contact: Fred Reep President, R/C Monster Motorsports, Inc. at 813-610-8201 or [email protected]

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