RPM Hybrid Gearbox Housing/Rear Mounts Black RPM73612
RPM73612 RPM Hybrid Gearbox Housing/Rear Mounts Black

RPM Hybrid Gearbox Housing/Rear Mounts Black RPM73612

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This is the RPM Hybrid Gearbox Housing and Rear Mounts for 2WD Traxxas vehicles, such as the Slash 2WD, Stampede 2WD, E-Rustler 2WD, and Bandit 2WD.

These Hybrid Gearbox Housing and Rear Mounts were designed to solve a variety of issues with aftermarket, stock, and other transmission housings. RPM's gearbox housing and mounts are a blend of molded nylon and aluminum parts for only the very best combination of durability, strength, and heat dissipation.

Each RPM Gearbox Housing kit is available in black, blue or green and includes all of the necessary mounting hardware and instructions. Whether bashing or racing, the RPM Gearbox Housing is one of the least expensive and yet most valuable options you can buy! Plus, every sing RPM Gearbox Housing kit is proudly manufactured and designed in the USA!

Two Gearbox Housings, Motor Plate, two 0 degree and two 3 degree Rear Mounts and Instructions

Note: RPM Gearbox Housings do not include internal components (gears bearings, shafts, etc.). Internal components (either stock or aftermarket) must be transferred to the RPM Gearbox Housing from the stock Traxxas transmission. RPM #73612 replaces stock Traxxas #3691 (or #3691A).
  • Manufactured in the USA from 3mm thick, 6061 T6 aluminum for serious strength and durability.
  • Offers significant motor heat dissipation for cooler motor temperatures, unlike stock plastic motor plates that insulate the motor.
  • Molded Gearbox Housings
  • Retains stock bumper mounting holes for positive, solid support of any bumper or wheelie bars you may choose.
  • We modified our housing to eliminate the huge bottom hole in the stock housing, keeping your internal gears cleaner, longer.
  • Redesigned exterior features are smoother; making it less likely dirt will adhere or build up on the case.
  • Molded Rear Mounts (0 degree & 3degree Rear Mounts Included)
  • Sold with two sets of rear mounts in each package - 0 degree and 3 degree rear mounts are included.
  • Molded from the RPM blend of ultra durable, long lasting, bulletproof nylons.
  • Aluminum Motor Plate
  • Locks in gear mesh for worry-free pinion to spur settings, eliminating fears of exploding spur and pinion gears from an overheated stock transmission case.
  • Not integrated with the rear bumper mounts, meaning rear impacts will not bend the motor plate, (when used with a rear bumper or bumper mounting system such as RPM #80902 or #80905).
  • Molded from our blend of bulletproof nylons in three popular color choices for guaranteed durability, strength and style.
  • Retains a stock cover for the motor, adding motor protection where most aftermarket housings leave the motor completely exposed to rear impacts.
  • Quiet! With a completely enclosed gearbox housing, you'll no longer have the loudest transmission on the track.
  • Separate housing and rear mounts means transmission maintenance won't affect suspension settings.
  • Separate from the gearbox housing and easy to access. Each mount is individually accessible and removable without removing the transmission or vice versa. Simply unbolt 2 screws (and a hinge pin) to remove an A-arm mount or 6 screws to remove the transmission!
  • Molded mounts means tighter tolerances and less slop than with machined components for better camber and toe angle retention.
  • Traxxas Bandit
  • Traxxas Rustler
  • Traxxas Slash 1/10
  • Traxxas Stampede 1/10

Review Summary


5 Stars Quite nice

Joe from MA wrote (April 16, 2014):

Easy swap, nice and quiet. Bolted right on.

4 Stars Not such a big upgrade

Edwin from Puerto Rico wrote (March 17, 2014):

5 Stars Need I say more.

Bash & Crash Dad from TX wrote (July 11, 2013):

H#%L YEAH !!!!!!!

5 Stars RPM Hybrid Gearbox Housing/Rear Mounts Black

Josh from MN wrote (May 01, 2013):

this is a nice gear case better than stock for sure.

5 Stars Very nice

Jack from CA wrote (April 30, 2013):

Really like it.. Easy to install and instant toe in

4 Stars Great upgrade to stock

Brian from AZ wrote (April 27, 2013):

Would have given the full 5 stars except for the nuts used to bolt on the A-arms, yikes, they are difficult to get to. Try to find an open ended wrench or very small adjustable to access. Install these first before the axles too!

5 Stars As Always,

Bobby from wrote (March 27, 2013):

5 Stars cheap option to the proline transmission

from OH wrote (February 13, 2013):

Well worth the money. It gives you option as far as adding toe in the rear. It also take much more abuse when you land on the rear bumper. I also noticed that the motor no longer flexes and hits the frame on hard landing

Read All 8 Reviews...