Give your TRX-4M™ unstoppable torque with this low-range transmission. The transmission features an ultra-low 40.3:1 reduction ratio for maximum rock-climbing power. Traxxas Pro Built® transmissions come professionally assembled with bearings and a fresh new Titan® 180 87-turn motor. There's no gear mesh to adjust or parts to align. The assembly bolts in as a complete unit for quick and easy installation.

the Titan® 180 motor features 87 turns of wire for dramatic torque in a micro motor. The motor comes with an 11-tooth metal pinion gear.

• Low-range gearing designed for crawlers
• 40.3:1 reduction ratio
• Complete assembled gearbox
• Includes Titan 87T motor