Mini 4WD Hyper-Dash 3 Motor Guide
Hyper-Dash 3 (15477) is Tamiya's usual Mini 4WD race motor: 17,200-21,200 RPM, 1.4-1.9 mN·m, 1.6-3.0 A. Gear pairing, the PRO twin, and J-CUP 2026.
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The Power-Dash Motor delivers plenty of torque, making it well suited to technical circuits with numerous slope sections rather than pure top-speed straights. It's identifiable by its dark green end bell and, like Tamiya's other performance dash motors, uses durable carbon brushes for consistent output over repeated runs.
Its lower current draw compared with the Ultra-Dash Motor (No.307, 2.5-3.3A versus 4-5A) is reflected in a much wider chassis compatibility list, covering essentially the entire Mini 4WD range from the Type 3 through current releases, rather than being restricted to the higher-power-rated chassis the Ultra-Dash needs. That makes it the more broadly usable of Tamiya's two dash motors, at the cost of the Ultra-Dash's higher top-end RPM.
Hyper-Dash 3 (15477) is Tamiya's usual Mini 4WD race motor: 17,200-21,200 RPM, 1.4-1.9 mN·m, 1.6-3.0 A. Gear pairing, the PRO twin, and J-CUP 2026.
Ultra-Dash (15307) publishes 24,000-27,500 RPM and 4-5 A. Why official Tamiya races exclude it, what it does to AA cells, and when a club may still allow it.
A practical Mini 4WD motor maintenance guide covering vent cleaning, reading long-term wear, safe storage, spare-motor rotation, and retirement.