10th SCALE 4WD TRUCK RULES UPDATE
May 9, 2022
ROAR has included the 10th Scale 4WD Stadium Truck or Truggy class in the upcoming 2022 Electric Off-Road 1/8th Scale & 4wd SCT Nationals in recognition of the growing popularity of the class. Current ROAR rules for 4WD Stadium Trucks are incompatible with the current offerings for this class. After consultation with manufacturers, ROAR is announcing the following rules for this popular class. These rules replace the current rules for 4WD Stadium Truck and will be incorporated in the next publication of the complete rulebook. They will be in effect for the subject National.
4WD 10th Scale Truck Rules -
All dimensions in inches unless noted. Refer to sketch in Section 8.7.2 of current rulebook.
Length: Maximum - 18.0
Minimum - 15.25
Overall Width: Maximum - 13.0
Wheelbase: Maximum - 11.5
Minimum - 9.0
Minimum Weight: - 64 oz
Wheels: Maximum Mounting Bead Dia - 2.25"
Minimum Mounting Bead Dia - 2.175"
Max Overall Dia - 2.46"
Maximum Width - 2.13"
Tires: Rubber tire only
Minimum Diameter - 3.6"
Maximum Width - 2.125"
Minimum Width - 2.0"
Wing - rear shock tower mounted:
Maximum Cord - 3.0” (76.2mm)
Side Dam length - 3.94” (100mm)
Side Dam height - 1.97” (50mm)
Body (must cover front shock tower and chassis to rear shock tower):
Minimum Width - 4.5”
Minimum Height - 3.9”
Cab: Minimum Width - 3.25”
Minimum Height - 1.20"
Window: Minimum Height - 1.25"
Motor: Any ROAR approved 540 size motor including those listed for 4x4 SC
Battery: 2 cell 7.4v or 7.6v Lipo charged to 8.40v max
Transmission: Single speed only
Rear Suspension: Independent only
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