Iron City RC 1/10th Crawler Competition Rules

🔹 Non-SORRCA C2

  • Tires: Max 4.75”, may be cut, grooved, or trimmed. No pin tires.

  • Max wheel size: 2.2”

  • Full body only (no cab-only). Flatbeds allowed, must be as long as frame rails.

  • Dovetailing & pinching allowed (width must remain within ½” of cab).

  • Rail chassis only (any material). No tube frames.

  • Front bumper required (wider than frame rails, mounted or molded in).

  • Rear bumper optional.

  • No MOA, Dig, or unlocking diffs.

  • No battery on axle.


🔹 Box Stock

  • Truck must be completely stock, as sold by manufacturer.

  • Only upgrade allowed: Steering Servo.


🔹 Beginner

  • Same as Box Stock, but for new drivers only.

  • Perfect for first-time competitors or borrowed rigs.


🔹 Class 2 RTR

(If you Run Class 2 NON-SORRCA YOU CAN'T RUN THIS CLASS)

THIS CLASS IS FOR THE NOT SO EXPERIECNED TO START WORKING THERE WAY UP

  • RTR-based rigs with light mods.

  • Tires: Stock or upgraded, no cutting/grooving/trimming. Max 2.2” wheels.

  • Stock frame & axles from RTR must be used.

  • Electronics may be upgraded.


🔹 Class 3

  • For rigs that don’t fit other classes (custom builds, Capra, 4WS, etc.).

  • Tires: Max 6”, may be cut/grooved/trimmed. No pin tires.

  • Max wheel size: 2.2”.

  • No MOA or battery on axle.

  • 4WS, Dig, Selectable OD all allowed.

  • Bumpers not required.


🔹 1.9 Mini

  • Follows WRCCA rule set.


📏 Course Rules

  • Gate Widths:

    • C2, Beginner, Box Stock, C2 RTR, 1.9 Mini → 12” min

    • C3 → 16” min

  • Each course: Minimum 10 gates.

  • Progress = Rear tires clear gate line. Once cleared, gate is dead.

⛓ Penalties

  • Course Direction (wrong way): +10

  • Gate Marker: +10

  • Boundary: +10

  • Reverse: +1

  • Reposition (pick up & reset): +10

  • Rollover (side-to-side only): +5

  • Self Recovery (winch): +3

  • Assisted Winch (judge pulls rig): +6

  • On-Course Repair (touch rig): +10 (time continues)

  • Off-Course Repair (OJ): +10 & -1 minute (30 min max to fix, restart at last gate)