This differential gear unit is intended as a spare part for Tamiya educational construction projects. The bevel-gear arrangement permits differential rotation between driven shafts so inner and outer shafts can spin at different speeds during turns. The clear case offers an unobstructed view of the bevel gears, making it useful for teaching gear geometry and verifying mesh during assembly.
The internal gearset uses low-friction profiles and power is carried through three metal 3 mm hex shafts. The unit is made to integrate with separately sold Universal Plates and Universal Arms from the Tamiya Educational Construction Series, delivering a straightforward compact differential where required.
Service-oriented features include removable screws for access and a pre-applied lubricant to lower initial wear. It is aimed at builders, instructors, and collectors who value a verifiable, visible differential for classroom demonstrations, display pieces, or parts replacement in compatible assemblies.
Drive type: bevel differential unit
Gear ratio: 3.17:1
Case material: transparent plastic
Shafts: three 3 mm hex shafts, 50 mm length
Included components: low-friction gears, 3 x hex shafts, screws, grease
The 70272 differential supplies an inspectable, serviceable option for educational assemblies and replacement use, combining a clear case with metal hex shafts for reliable verification of gear action.
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