Older machines often need new drive or sanding belts due to age-related cracking. Factor these into your total cost if they look worn.
When buying used, prioritize checking these components to ensure the machine is job-ready: buy used floor sander
For drum sanders, check for missing or failed clips that hold the sandpaper in place; missing clips can lead to catastrophic damage if the paper slips. Older machines often need new drive or sanding
Listen for a smooth motor sound and check that it doesn't overheat during a brief test run. Inspect the power cord for any exposed wiring. Listen for a smooth motor sound and check
Based on current listings, here are several reputable models often available pre-owned: Estimated Price American Sanders OBS-18DC Go to product viewer dialog for this item. Finishing & Surface Prep Essex Silver Line SL-8 Go to product viewer dialog for this item. Heavy Duty Sanding American Sanders Super 7R Go to product viewer dialog for this item. Detailed Floor Edges Advance FM800 Tight Corners & Stripping Tornado 20" (97595) Stripping & Deep Scrubbing Essential Inspection Checklist
Ensure the drum spins smoothly without wobbling, as any vibration will cause uneven "chatter" marks on your wood.