Yokomo SD-644WA Graphite Center Main Drive Shaft — hollow graphite center drive shaft for DP-series chassis  [SD-644WA]

Yokomo SD-644WA Graphite Center Main Drive Shaft
Price:
USD$30.20
Brand:
Yokomo
Model:
SD-644WA
GTIN:
0639342189502
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Center main drive shaft overview

The Yokomo SD-644WA is an RC-scale center main drive shaft that uses a hollow graphite shaft to reduce rotating mass while keeping the part rigid enough for drivetrain use. The graphite components are finished with a matte surface to blend with the chassis without bright reflections.

Functionally it replaces the standard center shaft in compatible DP-series Yokomo platforms and serves as a lightweight option where reduced inertia and precise alignment of the center drivetrain are priorities. The design focuses on straightforward fitment and minimal change to surrounding parts.

Specifications

  • Item Center Main Drive Shaft
  • Material Graphite, hollow shaft with matte finish
  • Model Number SD-644WA
  • Compatibility DP-DP7C, DP-DP8, DP-DPRA, DP-DPRH, DP-GR35, DP-UF86A, DP-M786A, DP-HKS86A, DP-MKXA, DP-C33A, DP-SC430A, DP-TY180A, DP-JZX2A, DP-BNAA, DP-SDA, DP-EVXA, DP-DKPA, DP-BS15A, DP-REA7A, DP-DM13A, DP-ZCRA, DP-TYS15A, DP-BL34DA, DP-PS13A, DP-JZZ30A, DP-DR86A, DP-REAA, DP-ORCZ33A, DP-JZXA, DP-HKSA, DP-180SXA, DP-FC3SA, DP-S15A, DP-AE86A, MRTC-SD9, MRTC-86

Compatibility

  • DP-DP7C
  • DP-DP8
  • DP-DPRA
  • DP-DPRH
  • DP-GR35
  • DP-UF86A
  • DP-M786A
  • DP-HKS86A
  • DP-MKXA
  • DP-C33A
  • DP-SC430A
  • DP-TY180A
  • DP-JZX2A
  • DP-BNAA
  • DP-SDA
  • DP-EVXA
  • DP-DKPA
  • DP-BS15A
  • DP-REA7A
  • DP-DM13A
  • DP-ZCRA
  • DP-TYS15A
  • DP-BL34DA
  • DP-PS13A
  • DP-JZZ30A
  • DP-DR86A
  • DP-REAA
  • DP-ORCZ33A
  • DP-JZXA
  • DP-HKSA
  • DP-180SXA
  • DP-FC3SA
  • DP-S15A
  • DP-AE86A
  • MRTC-SD9
  • MRTC-86

As an RC-scale replacement center shaft, the SD-644WA is intended for builders who want a lighter center drivetrain component with a subdued visual finish; verify bearing fit and gear mesh during installation to maintain drivetrain alignment.
Remark :
Due to limited stock availability, please notice that some Yokomo items may have to order from the factory and the ready time is around 4-6 weeks. Customer purchases the item is assumed to accept the waiting time which allows us to order directly from the manufacturer if the item is out of our warehouse.

What material is the SD-644WA made from?

The main shaft is hollow graphite with other graphite components finished matte as described in the specifications.

Will this part fit my Yokomo DP-series chassis?

Check the compatibility list in the specifications; the part is listed for multiple DP-series models and related MRTC variants.

Any installation tips to maintain alignment?

During installation confirm bearing fit, verify pinion and spur alignment, and rotate the drivetrain by hand to ensure no binding before running.

How should I care for the matte graphite finish?

Wipe with a soft, dry cloth to remove dust; avoid aggressive cleaners that could affect the matte surface.

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