TRX4m Defender high clearance rear bumper V2

This is a slim rear bumper for the TRX4m Defender.
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updated April 30, 2025

Description

PDF

This is a rear bumper for the TRX4m Defender. It should be a direct replacement for the stock bumper, but have a lot more clearance, which should increase the departure angle by ~5 degrees. It has two mounts for tow shackles, and I also have included a file for a trailer hitch as used for the stock TRX4m trailer.

NOTE: There should be three files. There is one each for the bumper and hitch individually, and one with both in one file. It should be a pretty quick print.

This bumper WILL NOT work with the Bronco or any of the standard High Trail trucks.

UPDATE POST-PRINT: I printed this at 40% infill with regular supports, and it printed with no issues. I am holding the hitch on with a 1.6x10mm self-tapping screw. It is slightly loose, so I will be releasing a V2 soon that addresses that issue.

UPDATE 2 POST-PRINT:

I have updated both the bumper and the hitch based on some initial issues I found. All the available files are the V2 of this design.

If you print this, please post a make or drop a comment! Your feedback helps me make my models better. As always, if you have an issues or want any changes made, please feel free to reach out to me.

Print Settings

Printer Brand:

Prusa

Printer: 

i3 MK4

**Rafts:**

No

Supports: 

Yes

**Resolution:**

.15 mm (normal on most slicers) should be sufficient.

Infill: 

~30% recommended if you're going to tow with this bumper.

 

 

 

Category: R/C Vehicles

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Model origin

The author marked this model as their own original creation. Imported from Thingiverse.

License