Mini 4WD Tuned Motors: Torque, Atomic and Rev Compared
Torque-Tuned 2, Atomic-Tuned 2 and Rev-Tuned 2 are the first published upgrades: RPM, torque and current, and which course type each is built for.
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The Atomic-Tuned 2 Motor PRO is pitched as a balanced motor for Mini 4WD PRO cars, trading some of the Rev-Tuned 2's top-end RPM for extra torque, which suits circuits with tighter corners or gradients where pure top speed is less decisive. Like the Rev-Tuned 2 Motor PRO, it was marketed under Tamiya's "New Spec, Still PRO!" tagline, suggesting the two PRO motors were refreshed and reissued as a pair. Chassis compatibility is limited to MS, MA and ME Chassis, the three chassis that make up the Mini 4WD PRO family. Peak torque of 1.8mN·m matches the standard, non-PRO Atomic-Tuned 2 Motor, but this PRO version's RPM band tops out lower, at 14,500 versus 14,900, reflecting its PRO-chassis tuning toward corner-exit torque over outright top speed.
Pinion gears are not included and must be purchased separately.
Torque-Tuned 2, Atomic-Tuned 2 and Rev-Tuned 2 are the first published upgrades: RPM, torque and current, and which course type each is built for.
Choose a layout and maintenance approach, then budget for the exact kit and compatible parts. A front motor alone does not guarantee better landings.
A faster motor is useful only when the car can complete the course. Compare the exact single-shaft products and plan the setup around them.