Tamiya TA05 Precision Diff Shaft TA05-19/LB by 3Racing  [TA05-19/LB]

Tamiya TA05 /TA05-IFS /TA05-R Aluminium Differential Shaft - 3Racing TA05-19/LB
Price:
USD$16.89
Brand:
3Racing
Model:
TA05-19/LB
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Precision-machined aluminium shaft for TA05 differentials

The TA05-19/LB is a CNC-friendly aluminium differential shaft engineered for the Tamiya TA05 1/10 touring car family. It replaces the factory steel shaft with a machined aluminium component intended to adjust rotating mass and torsional stiffness for tunable drivetrain behaviour.

Designed compatibility covers TA05, TA05-IFS and TA05-R variants. The shaft locates inside the differential assembly and interfaces with the existing gearset and bearing stack; precise clearance checks are recommended prior to installation to ensure optimal gear engagement.

Installation procedure: remove the differential carrier following service documentation, clean and inspect internal gears and bearings, then install the shaft while setting correct gear mesh and bearing preload. Use standard precision drivers and torque tools where required; remove any machining burrs and confirm lubricant pathways remain unobstructed.

Performance notes: the aluminium shaft shifts rotational inertia and modifies transient diff feedback under drive and coast. Use this change in conjunction with differential oils, spur and pinion choices, and gear ratios to achieve consistent on-track behaviour.

Specifications

  • Item: Aluminium differential shaft
  • Material: Aluminium
  • Model Number: TA05-19/LB
  • Compatibility: Tamiya TA05 / TA05-IFS / TA05-R

Compatibility

  • Tamiya TA05
  • Tamiya TA05-IFS
  • Tamiya TA05-R

What tolerances should I confirm before assembly?

Check lateral clearance in the differential housing, axial play at the bearing seats, and ensure gear face contact is even across the tooth width.

How does shaft material affect diff tuning?

Aluminium lowers rotating mass and changes inertia, which affects torque transfer dynamics; adjust diff oil and gear ratios to compensate for the altered response.

Recommended service routine after swap?

Service the diff at regular intervals, inspect bearings for wear, verify mesh and preload after break-in, and reapply grease or diff lube as specified by your chassis manual.