Buying knowledge
Make a better shortlist before comparing prices.
Direct guides for buyers who need to match a machine to real work, inspect it remotely, and prepare it for transport.
01Component guide · Sep 30, 2026
The HDD rig is only part of the drilling operation; check the fluid-system and drill-string package that affects productivity, recovery and commissioning costs.Read guide · 6 min read
02Commissioning Guide · Sep 28, 2026
Before used equipment arrives at port, prepare lifting, accessories, documentation and a phased commissioning plan to reduce surprises in the first week.Read guide · 5 min read
03Import Guide · Sep 27, 2026
Link the machine’s identity, import documents and agreed payment milestones, and set out responsibilities and acceptance conditions in the agreement.Read guide · 6 min read
04Export Guide · Sep 26, 2026
The heavy-equipment transport method should be chosen based on the actual number of cargo pieces, port capabilities and machine operability, rather than on generic model dimensions.Read guide · 7 min read
05Cost Guide · Sep 25, 2026
First determine whether the budget endpoint is arrival at port, arrival at site, or completion of installation and commissioning, then record costs, currency, quote date, and included scope by equipment number. List unknown costs separately to avoid omissions or double counting.Read guide · 9 min read
06Buyer's Guide · Sep 24, 2026
Appearance condition can aid judgment or mislead; paint quality should be distinguished from documented mechanical repairs, structural work and functional verification.Read guide · 5 min read
07Buyer Evidence · Sep 23, 2026
Keep the different hour counters separate and cross-check them against maintenance history and component wear, rather than treating one number on a dashboard as the machine's age.Read guide · 6 min read
08Troubleshooting guide · Sep 22, 2026
Record repeatable operating conditions and temperature changes, and investigate cooling, oil, pressure, leaks and load separately before buying.Read guide · 6 min read
09Inspection guide · Sep 21, 2026
Record cold temperatures, cranking and warm-up, then use the site observations and repair records to decide what to check next.Read guide · 6 min read
10Inspection Guide · Sep 20, 2026
Track wear can immediately create parts and transport costs; inspect the entire undercarriage and extending structure before negotiating the price.Read guide · 7 min read
11Inspection Guide · Sep 19, 2026
The rotary drive is a high-cost system; a video of it idling alone is far from sufficient. Confirm its identity and check warm-up and operation according to the manual, and test performance under controlled load when the equipment and safety conditions permit.Read guide · 5 min read
12Inspection Guide · Sep 18, 2026
A brief clean-site demonstration can mask weaknesses in the dust control system; test the entire collection path under load, and price in any missing maintenance items.Read guide · 6 min read