Add Weight. Add Traction. Add Control.
Upgrade your TRX-4M for superior crawling performance with the Traxxas Brass Differential Covers. Precision-machined from solid brass, these optional covers add low-mounted weight directly over the axles — improving stability, traction, and balance on steep climbs and technical trails.
Trail-Tested Brass Performance
These brass differential covers replace the stock composite versions, providing enhanced durability and a lower center of gravity without altering your crawler’s geometry. The added weight helps keep your tires planted and your truck steady, making this a must-have upgrade for any serious TRX-4M crawler.
Features:
-
Machined brass construction adds valuable weight low on the chassis
-
Improves traction, stability, and climbing performance
-
Direct-fit design — simple installation, no modifications needed
-
Durable finish resists corrosion and wear
-
Genuine Traxxas factory upgrade part
Includes:
-
(2) Brass Differential Covers
-
(8) 1.6×12 mm Button Head Screws
Compatibility:
-
Traxxas TRX-4M
-
Traxxas TRX-4MT
Traxxas Tough — Brass-Built for Better Crawling.