TRX-3977R Traxxas Gear Cover, Upper & Lower / Dust Plug / 3×6 mm CS (3) (Single Motor)

The 3977R is the single motor gear cover for converting an E-Maxx from its original dual-motor setup to a single brushless motor configuration. The two-piece upper and lower cover keeps dirt and debris out while allowing easy access to the pinion and spur gear. A removable dust plug provides access to the slipper clutch without removing the cover. Must be used with the TRX-3997X blue-anodized aluminum motor plate (sold separately).

What’s Included

• (1×) Upper gear cover
• (1×) Lower gear cover
• (1×) Dust plug
• (3×) 3×6 mm counter-sunk screw

What’s Not Included

Motor plate TRX-3997X — required for single motor installation, sold separately.

Fitment Note

Fits Traxxas E-Maxx for single motor conversion. Must be used with motor plate TRX-3997X. Consult your vehicle’s manual or parts diagram to verify fitment before ordering.

Key Features

• Two-piece gear cover designed for single brushless motor installation in the E-Maxx
• Removable dust plug for slipper clutch access without removing the cover
• Must be paired with TRX-3997X aluminum motor plate for proper installation

Reference Numbers

Traxxas PN: 3977R · Retailer PN: TRA3977R · JackWagon SKU: TRX-3977R