
DD421
The Sandvik DD421 is an underground development loader. NLC Engineering supplies aftermarket centre hitch kits and Zoom outer pipe assemblies for the DD421, and provides line boring, machining and component repair services.
Compatible Parts for the DD421
Services for the DD421
CNC Machining
Precision manufacture of replacement and custom mining components
Component Repairs & Rebuilds
Repair before replacement — restore worn mining components to service
Field Service
Fast on-site support to get equipment back to work
Mobile Line Boring
On-site precision bore repair — keep your equipment where it works
Need parts or repairs for a DD421?
Tell us what you need — a specific part, a repair, a refurbishment or a breakdown response. Upload photos or part numbers to help us respond faster.
Keep Your Equipment Moving
Whether you need an urgent repair, mobile line boring, machining, fabrication, component refurbishment or an aftermarket replacement part — make it easy to engage NLC Engineering.


