TB Evolution III 1/10 Double-Deck Touring Kit - Tamiya 58299  [58299]

A detailed look at the Tamiya 58299 TB Evolution III chassis

The TB Evolution line evolved from earlier center-shaft concepts into a mature shaft-driven touring platform. The 58299 TB Evolution III advances that development through focused mechanical revisions: motor and battery repositioning, a narrower lower carbon deck, updated driveline pieces, and intentional mass reduction. The emphasis is on predictable balance and smoother drivetrain rotation while keeping TRF-style compatibility.

Design changes and purpose

By placing the motor on the right and batteries on the left, the chassis aims to lessen driveline-induced steering disturbances and to provide more consistent throttle feel. The lower carbon deck's 5 mm reduction centralizes the mass and reduces potential rubbing during high-roll cornering. Lightweight differential outdrives and a redesigned center shaft work to lower vibration and improve mechanical efficiency. An aluminium spur adaptor with a larger spur contributes to lower drivetrain losses.

Suspension and power delivery

Many suspension parts are shared with the 414MII family, including arms, uprights, and adjustable blocks that permit fine-tuning of roll center and anti-squat/anti-dive. The front one-way system maintains smooth rotation typical of TRF-derived designs. Strategic component removal, such as certain bulkheads, plus other refinements produce a noticeable weight reduction and a more responsive steering character.

Who should consider this kit

The TB Evolution III is suitable for hobbyists who want a robust shaft-driven touring platform using a mix of carbon and alloy hardware. Its specification and TRF-derived part compatibility make it a good choice for tuners setting up full-time 4WD touring cars and for collectors preserving TB-series continuity.

With measured refinements like a slimmer lower deck and improved driveline parts, the TB Evolution III offers a balanced platform for tuners and collectors who prefer TRF-style mechanical philosophy.