Stock Slash Dirt Modified (MDM) Rules
v1Summary of recent changes
Current class specification.
Spec sheet
- Notes
- Open gearing; no sway bars; min ride height 0.75"; min tread 0.065"; stock diff; Traxxas tuning springs uncut; no 2-stage pistons
- Motor type
- Spec brushed
- Motor turn
- N/A (brushed)
- Spec motor
- Traxxas Titan 12T 550 (brushed, unaltered)
- ESC
- Stock XL-5
- Battery chemistry
- LiPo
- Cells
- 2S
- Max voltage
- 8.44V
- Hard case
- Required
- Spec tire
- Slash Spec, Kumho Venture, or BFGoodrich (no S1)
- Chassis
- Stock Traxxas Slash 2WD, unmodified
1.Chassis
Stock Traxxas Slash 2WD chassis, unmodified. Suspension in factory positions. Traxxas/RPM aluminum parts per approved list; front-bumper hoop/ears may be trimmed. No sway bars. Min ride height 0.75" (incl. body). Added weight only within the main chassis plate.
2.Transmission
Stock differential — no locking/modifying, must retain diff action. No ball diffs.
3.Motor & ESC
Stock XL-5 ESC (unaltered) and Titan 12T 550 brushed motor (unaltered). Stock bullet connectors, no soldering. No cooling fans.
4.Battery
Any ROAR-approved 7.4V hard-case LiPo, 4.22V/cell max. Mounted in the stock center tray; any battery plug, no direct soldering.
5.Wheels & tires
Any 2.2/3.0 SC wheel for the 2WD Slash (19mm F / 21.5mm R, 2+ vent holes). Stock Traxxas Slash tires: Slash Spec, Kumho Venture, or BFGoodrich (no S1). Min tread depth 0.065". One foam insert per tire.
6.Shocks & gearing
Traxxas tuning springs (uncut). Aluminum shock caps OK. No 2-stage pistons. Open gearing.