Buying knowledge

Inspection guide

Direct guides for buyers who need to match a machine to real work, inspect it remotely, and prepare it for transport.

Used drilling rig prepared for a cold-start inspection

Inspection guide · Sep 21, 2026

Used Drilling Rig Cold-Start Test: What Buyers Should Record

A true cold start exposes information that a warmed, edited seller video can hide; use one continuous protocol and record what the test does not prove.Read guide · 7 min read

Inspection guide · Sep 20, 2026

Used Drilling Rig Undercarriage Inspection: Crawlers, Rollers and Structure

Crawler wear can create immediate parts and transport cost; inspect the full undercarriage and extension structure before price negotiation.Read guide · 7 min read

Used rotary drilling rig with rotary drive and Kelly bar visible

Inspection guide · Sep 19, 2026

How to Inspect a Used Rotary Drilling Rig Rotary Drive

The rotary drive is a high-cost system that needs more than a free-spinning yard video; identify it, warm it and test controlled load behavior.Read guide · 5 min read

Used surface drill rig with feed and dust collector components visible

Inspection guide · Sep 18, 2026

How to Inspect a Used Surface Drill Dust Collector Before Purchase

A short clean-yard demonstration can hide dust-system weakness; use a loaded inspection to test the full collection path and price missing repairs.Read guide · 6 min read

Used SANY rotary drilling rig, ready for remote real-time video inspection

Inspection Guide · Sep 5, 2026

Remote Used Drilling Rig Inspection: Real-Time Video Checklist for Overseas Buyers

Organize the remote video inspection by device identity, cold start, main functions, defects, and included scope. Keep records corresponding to the device number, and clarify which items still require on-site or instrument inspection.Read guide · 5 min read