Traxxas 7781X - Carrier, Differential (Aluminum) by Traxxas $42.90 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart Traxxas 7781X - Carrier, Differential (Aluminum)Brand: TraxxasPart Number: 7781XReplacement or upgrade part for these Traxxas models:77086 - X-Maxx Brushless 8S