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Oppai Factory 6x6 (or more) Axle Conversion Kit for TRX4m

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Price:$22.99

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OppaiFactory  
Arrives soon! Get it by Nov 14-19 if you order today
Nov 14-19

Returns & exchanges accepted

You can only make an offer when buying a single item

Star Seller. This seller consistently earned 5-star reviews, shipped on time, and replied quickly to any messages they received.

Highlights

This is an 6x6+ Axle conversion kit for the TRX4m.

It consists of a Pinioned diff and a Truss for flipping the added axle.

The Diff cover that allows the axle (Front or Rear) to attach a driveshaft out the back of it to add another axle behind it.

The truss allows the axle behind the converted axle to be flipped so the wheels spin the right direction. You simply cut off the upper links and truss brace on your axle. Install the new truss and you now have upper link mounts on the underside (new topside) of that axle.

This is a good clamp for the stock axle that can be cut or the KYX aluminum axle housing (which has no truss) pictured with this product. Other aluminum axles should work, but you'll have to grind off the truss to gain maximum ground clearance once its been flipped.

This kit works on as many axles as you want it to.

The Kit includes:

Pinioned Diff Cover
Axle Flip Truss/ Link Mount
SS Hardware
(x2) 4x8x3 sealed bearings for added pinion.

**You will need need to order an additional Diff gear set to get the extra pinion.

You'll also need a set of Ascent18 driveshafts to use on the axle to axle connection. They are the same lengths as the 4m front and rear shaft but have the correct 4mm ends that match the 4m pinion.



Free Lifetime Replacements:

I understand that 3d parts have can be more susceptible to breaks over metal or injected nylon parts, so for as long as I am business I offer free lifetime replacements of any parts that break for any reason. Simply cover the shipping, and I can ship out any replacement part or parts you need to make your rig whole again. If you are international, I understand shipping costs more so I will give you multiple sets of whichever part was broken to save you if you have another accident in the future. All of my products evolve over time if I find a better method or update I can do to improve them. If you do have a break on an older ver. of the part, then I will supersede you to the current ver. for only the cost of shipping.

Disclaimer:

This is a 3D printed part. It is made from PLA+ Plastic. It has an inherent "layered" look and may require some slight modification if your vehicle is fitted with other aftermarket parts.

Please view my packaging and inspect the package BEFORE handing it to young children. While my logo is suggestive, it is not unsightly, but may require the approval of a responsible parent before giving it (and the small contents inside) to a child.

Due to a rather insane review I received, I need to state this, and be sure anyone else so inept HAD the opportunity to read this...

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  • Order today to get by Nov 14-19
  • Returns & exchanges accepted within 30 days
  • Cost to ship: $6.82
  • Ships from: Sedro Woolley, WA

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Reviews for this item

What buyers say, summarized by AI: Love it Great quality Helpful seller Great design

4.7

We calculate this number using a recency-weighted average of all ratings, with a rating's value decreasing by half each year to best reflect the current experience.

(24 reviews)

4.8 Item quality
4.9 Shipping
4.9 Customer service
90% Buyers recommend
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5 out of 5 stars 5 This item

Kevin Oct 31, 2026

Great as the usual

Kevin Oct 31, 2026

5 out of 5 stars 5 This item

Kevin Aug 17, 2026

best of the best delivers the best again

Kevin Aug 17, 2026

5 out of 5 stars 5 This item

Kevin Jun 9, 2026

always a top notch quality product from Opai and the customer service is second to no one.

Kevin Jun 9, 2026

5 out of 5 stars 5 This item

D'Artagnan Feb 27, 2026

Awesome kit easy assembly 👍

D'Artagnan Feb 27, 2026

OppaiFactory
OppaiFactory ·

Sedro-Woolley, Washington

We calculate this number using a recency-weighted average of all ratings, with a rating's value decreasing by half each year to best reflect the current experience. 4.9
·
5.9k sales
·
3 years on Etsy

Typically responds within a few hours

Typically responds within a few hours

Smooth shipping Has a history of shipping on time with tracking.

Speedy replies Has a history of replying to messages quickly.

Rave reviews Average review rating is 4.8 or higher.

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Listed on Oct 22, 2026