A 1/18 truck with a steel ladder frame, locked spools and swappable transmission modules. Popular prints are LCG chassis, bumpers, roof racks and battery relocation.
Reported fit by Johnny_Tsunami on Printables · Battery trays
- Material
- Not stated by source
- Hardware
- No extra hardware; uses the stock rubber strap
Tested on the designer's Defender; Bronco fit unconfirmed. Takes larger 2S/3S packs.
View on Printables (opens the original listing for ESC / Battery Upgrade)
Unverified by Ratchet Finesse on Printables · Bumpers
- Material
- Not stated by source
- Hardware
- Not stated by source
Only for the Injora LCG chassis.
View on Printables (opens the original listing for Front Bumper Mount for Injora LCG Chassis)
Reported fit by ScaleRCdesigns on MakerWorld · Bumpers
- Material
- PLA (print profile)
- Hardware
- Not stated by source
F-150 High Trail. A reviewer printed it in PETG at 100% infill.
View on MakerWorld (opens the original listing for High Trail F-150 Front Tube Bumper)
Reported fit by oclastax on Printables · Bumpers
- Material
- PLA+ (designer); PETG or ABS fine
- Hardware
- Don't overtighten the 2 center-bracket screws
Bronco. Includes a hinged body mod. STEP files available.
View on Printables (opens the original listing for TRX4M Low Profile Bumpers / Hinged Body)
Unverified by jonimi16 on MakerWorld · Chassis
- Material
- Not stated by source
- Hardware
- Not stated by source
Rails, roof beams, battery/electronics supports and an undrilled skid plate.
View on MakerWorld (opens the original listing for LCG Chassis Kit 1/18)
Reported fit by m6light on Cults3D · Chassis
- Material
- PLA+ at 100% infill
- Hardware
- Not stated by source
Paid file. Uses the stock skid, axles, links and shocks; designer tested it on stock parts.
View on Cults3D (opens the original listing for LCG Chassis Kit for TRX4m)
Unverified by GaPa on Printables · Chassis
- Material
- Not stated by source
- Hardware
- 18650 cells, ESP32-C3 light box (optional)
Rails, bumpers, lights, battery and shock changes for the Bronco.
View on Printables (opens the original listing for TRX4M Bronco Upgrade)
Unverified by Kubiczech81 on Thingiverse · Chassis
- Material
- Not stated by source
- Hardware
- 8x M2x8 mm, 4x M2.5x14 mm
Original upload. A Printables re-upload exists.
View on Thingiverse (opens the original listing for TRX4M Chassis Upgrade)
Unverified by Joza on Printables · Scale accessories
- Material
- Resin (designer)
- Hardware
- 1 mm pin (a paper clip works)
Defender bumpers.
View on Printables (opens the original listing for Bumper Shackle)
Unverified by navyblueboss on Thingiverse · Scale accessories
- Material
- Not stated by source
- Hardware
- Small zip ties
Bronco. Ships in detailed and simple versions.
View on Thingiverse (opens the original listing for Roofrack TRX4M Bronco)
Unverified by GaPa on Printables · Scale accessories
- Material
- PLA (designer)
- Hardware
- Not stated by source
Bronco.
View on Printables (opens the original listing for TRX4M Bronco Roof Rack)
Unverified by Hollow3D on Cults3D · Sliders
- Material
- PLA or PETG
- Hardware
- Factory hardware and holes
Paid file. High Trail F-150 and K10.
View on Cults3D (opens the original listing for Rock Sliders, Tube Style (F-150 & K10 High Trail))
Unverified by Ex-Pigeons on Printables · Sliders
- Material
- Not stated by source
- Hardware
- M2x8 mm socket screws in place of the stock M2x6
View on Printables (opens the original listing for TRX4M Rock Sliders)
Links checked on 16 Oct 2026. Designers own their files; check the listing for license terms. Know a part that fits? Fit reports are coming with the newsletter.