Motor Match 21500 RPM 12V 175 Gr Cm Double shaft

Power and versatility in a short can motor with dual shaft

The Motor Match 21500 RPM 12V 175 gr·cm Dual Shaft from Thunderslot (ref. TH-MTMACH21DS) is a short can motor designed to provide a solid balance between power, torque, and controllability. With 21500 RPM at 12V and a torque of 175 gr·cm, it fits perfectly in club competition setups or in demanding tuning projects where a progressive and predictable response is sought.

Main features

• Nominal speed: 21500 RPM at 12V
• Torque: 175 gr·cm
• Format: Short can
• Shaft: Dual shaft output
• Brand: Thunderslot
• Reference: TH-MTMACH21DS

The dual shaft is one of its standout features: it allows pinions to be fitted on either side, facilitating both sidewinder and inline installations depending on the receiving chassis, without the need to rotate the motor or force the transmission.

Recommended applications

With 21500 RPM and a torque of 175 gr·cm, this motor is positioned in a mid-high range ideal for competition setups in categories where the regulations do not impose stock motors. It is especially suitable for:

• Resin or plastic chassis with sidewinder or inline transmission.
• Tuning and preparation projects where a reliable base is sought for working on electronics and transmission.
• Club competitions with medium-speed tracks, where torque makes a difference in traction and corner exit.

Behaviour and performance

The short can format favours a more central location in the chassis, positively impacting weight distribution. The torque of 175 gr·cm ensures notable traction without reaching the extremes of pure attack motors, facilitating cleaner handling and less strain on the braids and control electronics.

The dual shaft simplifies life for the builder: there is no need to worry about the motor's orientation during installation, and it allows the same motor to be reused across different chassis platforms with minimal adjustments.

Usage recommendations

• Always check the alignment of the pinion with the crown gear before the first startup to avoid premature wear.
• Perform a gradual break-in at low voltage during the first few minutes to settle the braids and prolong the motor's life.
• Ensure that the shaft diameter is compatible with the pinion you intend to mount before placing the order.
• Keep the braid area clean to ensure efficient and stable electrical transmission.

Frequently asked questions

What advantage does the dual shaft offer over a single shaft motor?

The dual shaft allows the pinion to be mounted on either side, providing much more flexibility when installing it on different chassis and motor orientations, without the need for specific versions for each configuration.

Is this motor compatible with sidewinder and inline configurations?

Yes. With dual shaft output, it can be used in both sidewinder setups — motor parallel to the rear axle — and inline configurations — motor in line with the rear axle — depending on the chassis and transmission you use.

What level of competition is this motor designed for?

Due to its 21500 RPM and 175 gr·cm of torque, it is suitable for club competitions and championships where the free use of motors is allowed. It is not an extreme attack motor, but rather a balanced option between top speed and controllability.

Is a break-in period necessary?

Yes, it is recommended. A gentle break-in at low voltage during the first few minutes of use helps settle the braids and ensures more stable and longer-lasting motor operation.

What diameter is the shaft of this motor?

We do not have this information confirmed by the manufacturer. We recommend checking with our team before selecting the pinion to ensure compatibility.

The Thunderslot Match Motor (TH-MTMACH21DS) delivers 21500 RPM at 12V with 175 gr·cm of torque in a short-can format with dual shaft output. Designed for slot car racing enthusiasts and builders, it offers a reliable and well-balanced performance suitable for club racing, custom chassis builds, and sidewinder or inline drivetrain configurations. A versatile choice for competitive slot car preparation.