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Tamiya TRF420 new parts photos

Here are Tamiya Photos of the new parts for the TRF420. Some of us are getting our hands on the kit soon. 42348 TRF420 Carbon Lower Deck ...

Here are Tamiya Photos of the new parts for the TRF420. Some of us are getting our hands on the kit soon.

42348 TRF420 Carbon Lower Deck

Here you can see the cut-outs on the new lower deck. It doesn't have the extra bulkhead screw mounts.

• TRF420 Carbon Lower Deck x1
• 2.25mm thickness carbon fiber lower deck was designed for the TRF420, to give an optimum balance of flexibility and rigidity.

42350 TRF420 Aluminum Lower Deck


A day one purchase for me.

The TRF420 chassis is a thoroughbred racing chassis, and now you have even more setup options with this aluminum lower deck, which is perfect on high-grip circuits.

• TRF420 Aluminum Lower Deck x1
• Crafted in 2mm thick aluminum, this deck maintains excellent rigidity, with optimal flex provided by the large diagonal slits in the center.
• Black anodized finish.
• Recommended for use with the carbon fiber upper deck in Item 42349.
• Compatible with TRF420 chassis cars.


42349 TRF420 CARBON UPPER DECK 1.75mm Thick


The TRF420 chassis is a thoroughbred racing chassis meant for Tamiya’s most demanding radio control racing enthusiasts, and now you have even more setup options with this thinner carbon fiber upper deck, which promises to be great on high-grip circuits.

• TRF420 Carbon Upper Deck (1.75mm) x1
• At 1.75mm thickness, this component is 0.25mm thinner than the kit-standard deck, for more flex against roll stresses.
• Recommended for use with the aluminum lower deck in Item 42350.
• Compatible with TRF420 chassis cars.

TRF420 C-Parts (Front Uprights)

Interesting to see that it comes with plastic parts, the TRF420 has carbon extenders.

51641 TRF420 F-Parts (4 ° Hub Carriers)



 I just hope these are more resilient than the current parts. Which are the worst thing about the TRF cars.

These are the spare steering uprights for the TRF420 race car chassis. They feature the new 2-part front upright designs which utilize separate arm and bearing housing components. You can also use these new uprights on existing Tamiya touring car racing platforms.

• TRF420 C Parts x1
• Components are molded in carbon fiber-reinforced plastic for superior rigidity.
• Compatible with TRF420, TRF419, TA07 and TB-05 PRO chassis cars.

51642 TRF420 Front Direct Pulley (37T)

The last time I remember having to glue a pulley was with the TRF415 35t version. These look nice and light, very similar to the Yokomo style pulley.

This is a spare front direct pully component to the TRF420. Use this item to replace damaged or worn parts in your drivetrain.

• TRF420 Front Direct Pulley x1
• 0.2mm & 0.3mm Shims x2 each
• Front direct pulley and direct holder are an integrated plastic part for a weight savings of 2g compared to separate parts used on previous generation of TRF chassis.
• Direct cups are now screw-attached (was 2x9.8mm pins on previous chassis), allowing their replacement without the need to remove the direct pulley component.
• Compatible with TRF420 and TA07 chassis cars.

51643 TRF420 Differential & Pulley Case (37T)

Lighter by 1.5g and leak free... hopefully.
This is a spare pulley plastic part for the TRF420 racing chassis machine. Use it to replace worn out pulleys in your drivetrain to keep your car running efficiently and smooth.

• TRF420 37T Differential Pulley x1
• TRF420 Differential Case x1
• 0.2mm & 0.3mm Shims x2 each
• The new design not only provides a weight savings of 1.5g, but also provides less oil leakage compared to previous designs.
• Compatible with TRF420 and TA07 chassis cars.

51644 TRF420 B-Parts (Bumper)

These allow you to move the shell 2mm forward to make it more aggressive. Nice :)
One too many crashes? Not a problem! Tamiya has this spare bumper designed as a replacement part for the TRF420 kit.

• TRF420 B Parts x1
• The bumper design has been altered so as not to impact upon the chassis’ roll characteristics.
• New body mounts are 2mm offset; change their attachment position for different body mount location to fine-tune your car's center of balance.
• Compatible with TRF420 chassis cars.

51645 TRF420 K-Parts (Bearing Holders)

These should offer a finer set of adjustments than the current versions

• TRF420 K Parts x1
• Bearing holders (employed on gear diff and front direct pulley) redesigned for the TRF420 chassis, in order to provide even more precise location and a super-smooth drivetrain.
• Compatible with TRF420 chassis cars.

51650 TRF420 Urethane Bumper


Probably the most important thing for me nowadays that my thumbs are getting slower.. bigger is better :)

42346 Wheel axle


These are the lightweight axles found on the TRF420 racing chassis touring car kit. They can be used as spare parts on the TRF420 or as Hop-Up Option parts on any of Tamiya’s TA or TB touring car machines.

• TRF420 Wheel Axles x2
• Each axle weighs approximately 1.5g less than counterparts in Item 51445 TRF417 Wheel Axles (2pcs.), for less pressure and wear on tires.
• Compatible with TRF420, TRF419, TA07 and TB-05 PRO chassis cars.

51640 RC TRF420 E PARTS Rear Uprights

These are spare rear upright parts for the TRF420 racing car chassis.

• TRF420 E Parts x1
• Components are molded in carbon fiber-reinforced plastic for superior rigidity.
• Bearing positions are precisely aligned for maximum efficiency.
• For use with 3mm diameter shafts (sold in Item 51637).
• Compatible with cars using Item 51639 TRF420 D Parts (Suspension Arms).

51639 RC TRF420 D PARTS Suspension Arms

These are spare suspension arm parts for the TRF420 racing chassis kit.

• TRF420 D Parts x2
• Components are molded in carbon fiber-reinforced plastic for superior rigidity.
• The tweaked design uses aluminum inserts for damper attachment. Using different inserts (sold separately) allows adjustment of lever ratio, with three different setups possible.
• Rear arms are 3mm offset to the rear, allowing the shorter TRF420 lower deck (while keeping the same wheelbase) and giving increased rear traction.
• For use with 3mm diameter shafts (sold in Item 51637).
• Compatible with TRF420, TRF419*, TA07* and TB-05 PRO* chassis cars.
• Note: *Rear arms have different offset to kit standard parts, and require adjustment of wheelbase using spacers, etc.
TRF420 9152959818967796871

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