4x5 Pin5x11 BB
5x11 BB
5x11 BB
5x11 BBE
6x8.5x.5 TW
5x11 BB
5x11 BB
3x10 RST
3x10 RST
3x10 RST
5x6 RHM4x6 RHM
3x15 CS
3x15 CS
4967
4991
49644964x
4966
4965
4x7.5 Pin
4927
4949
4927
4993
4992
4986
4995
4987
3x3 GS
4984
4994X
4889
4988
5x9.8 STEEL PIN
4985
4989
8x12x.5 TW
4996
3x7 MW
5x11 BB
3.0 NL
4989
3x23 CS
3x7 MW
4997
5x8x14 SPACER
5x11 BB
5x8 BB
4994
4990
5x8 BB 4998BLACK
5x11 BB
5x8x.5 TW
T-MAXX FORWARD ONLYSHAFT INSTALLATION
PART# 4994X
Please refer to the T-Maxx operating instructions for removal of the transmission from thechassis. If you have any questions, call or E-mail Traxxas’ technical support department.Technical support is available Monday through Friday, from 8:30am to 9:00pm CentralTime at 1-888-TRAXXAS (U.S.A. residents only). Outside U.S.A. call 972-265-8000.Technical assistance is also available thru our website at WWW.TRAXXAS.COM 24 hoursa day. E-mail Traxxas at [email protected]
Replace the shift fork shaft seal with the included 5x6 roundhead machine screw. Use a 4x6 roundheadmachine screw to plug the idler gear hole.
4x6RHM
5x6RHM
With the transmission case open, remove thetwo-speed drive assembly. Keep the two-speedassembly together and set it aside.
Remove the transmission from the chassis by removing the (8) 3x15mmroundhead machine screws. See the exploded views in the operating instructions.
1.
Remove the set screw pin (4x5), and the outputyoke (4927) and set them aside.2.
Rotate the disc brake so that the yoke setscrew (4x7.5) faces down. Push the discback to allow access to remove the set screw. Remove the yoke (4927), hex brake adapter (4966), and the disc brake (4964).
3.
4. 8.
4994X
Install the forward only shaft (4994x) replacing theforward/reverse output shaft assembly. Install the longerend of the output shaft towards the disk brake side ofthe transmission. Install the two speed assembly. Thetransmission case can now be reassembled. Reversethe disassembly procedure (steps 1-6) to reassemblethe transmission. Remember to hook up the drive shafts when reinstalling the transmission in the truck.
9.5.
Remove the Idler gear assembly (4996). Theidler gear assembly will not be reused.
7.
Remove the ball screw from shift-fork shaft.Remove the forward/reverse output shaft assemblyalong with the shift fork shaft (4989). The outputshaft assembly and shift fork assembly will not beused in the forward only upgrade.
Not used in reassembly.
Not used in reassembly.
Not used with forward only shaft.
Use a pair of needle nose pliers toremove the shaft from the case.
6.
4964
4x7.5 Pin
4927
4966
4x7.5 Pin
4927
4989
4994
4996
Remove the seven 3x10 roundhead selftapping transmission case screws, and setthem aside. Carefully pull the front half(spur gear side) of the transmission off.
2-speed drive assembly.
Ball screw