LEGO Technic 42177 MOD – Mercedes G Class Ute - Drill Rig Attachment

Following the towing module, my Mercedes G Class Ute (a MOD / C-model based on LEGO Technic set 42177) now has its second functional attachment: a compact and fully operational Drill Rig. This one adds a whole new capability to the ute and was a fun challenge to design.

Universal Mounting System:

Just like the towing attachment, the drill rig connects using the two fold-up mounting points built into the tray. These points are quickly becoming the standard interface for all future add-ons, making it easy to swap attachments depending on the job.

Designed to Fold for Use and Transport:

The entire drill rig is built to fold down into position when drilling, and fold back up for transport, keeping the ute looking clean and tidy while driving. The mechanism is simple but effective, and it locks into place nicely in both orientations.

Functional Features: 

Despite only taking a few hours to design, this attachment is surprisingly capable:

• Rotating Drill Head: A side-mounted wheel at the top of the rig allows you to spin the drill manually. It has a satisfying feel, and the gearing gives it a smooth, realistic drilling motion.

• Adjustable Drilling Height: The drilling head moves up and down as required, letting the rig simulate drilling different depths. It adds a great bit of playability and makes the attachment feel like a real working tool.

Build Time: 

The complete design and build took 3.5 hours, making this a quicker project than the towing attachment but still packed with functionality.

Final Thoughts: 

This drill rig feels like a natural next step in expanding the G Class Ute’s versatility. With two attachments now complete, I’m already planning more tools and equipment for the mounting system.