November 6, 2023
Description
This is a double axle dump truck with pup trailer. I designed it to accompany my tracked excavator model. It is intended to be tough enough to play with as a toy, not just a shelf model.
The tires and mudflaps can be printed in TPU as well as PLA. The TPU print profile has the tires slightly undersized for better retention.
Everything assembles with snap fits, but if you want the wheels to really spin freely, a drop of mineral oil or a smidge of petroleum jelly on each axle before assembly will help.
Be delicate placing the cab over the exhaust stack. There is a small slot in the back of the cab which hooks onto the exhaust to support it.
The dump gate has some brim on it. It’s not part of the final model so go ahead and peel that off.
2024-10-05: Increased hitch strength, added larger lip to main cylinder
2024-06-24: Added a hinge to the trailer so it doesn't come unhooked as easily
2024-05-19: Added scarf seams, added TPU profile, fixed dump body geometry error at pivot
2024-05-06: Added brim to dump gate, more piston clearance, modelled roll-over tarp cover
2024-04-18: Updated out of date dump body STLs to match 3mf files
2023-12-04: Minor changes to truck and trailer chassis pistons to reduce sticking
2023-11-19: Increased retention on wheels. Let me know if you have issues with them being too loose or taking a lot of force to install.
License:
Standard Digital File License
Murata
