Tamiya 42197 Sealed Gear Differential Unit II for High-Power Touring [42197]

Tamiya 42197 - RC TRF417 Gear Differential Unit II

Price:

AUD$43.71

Brand:

Tamiya

Model:

42197

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Spares / Hop-ups - Tamiya - TRF417

Sealed Gear Diff for High-Power Touring Cars

The Tamiya 42197 TRF417 Gear Differential Unit II brings a sealed gear solution to drivers running powerful brushless motors. By changing silicone oil viscosity you can tune traction and mid corner behaviour, while the enclosed casing reduces the wear typical of ball diffs. The aluminium diff cup joint supports robust power delivery during aggressive runs.

Main Technical Points

Stronger Power Flow: Designed to cope with the torque from high-power brushless systems for improved drive.
Enclosed Durability: Sealed gears cut down on debris and maintenance versus open ball units.
Aluminum Diff Cup Joint: Provides a tougher connection for steady torque transfer.
Compatibility: Fits TRF417, TA05 ver.II, and TA05-IFS R chassis.
Tuning Guidance: Try 100000 weight silicone diff oil to start and adjust to match track grip.

Will this unit change handling compared with a ball diff?

Yes, a sealed gear diff delivers a different feel. It tends to offer steadier power transfer and lower maintenance, which can alter corner entry and traction compared with a ball diff.

How should I store the unit between events?

Keep it clean and dry, check for oil leaks, and service internal oil and seals periodically to maintain consistent performance.

Is special tooling required to service the diff?

Basic RC tools and a clean workspace are normally sufficient. A set of small hex drivers and picks makes oil changes and inspection easier.