How Machinery Auctions Work: A Guide for Buyers and Sellers

Posted: April 21, 2026

On sale day at Thainstone, machinery from across Scotland and beyond lines up ready to find its next working home. From tractors and telehandlers to commercial vehicles and specialist plant equipment, our collective auctions bring buyers together in one competitive marketplace.

At Thainstone Specialist Auctions (TSA), collective sales have long been part of the North East’s trading landscape. Backed by the strength and heritage of ANM Group, one of Scotland’s leading co-operatives, TSA is a trusted route to market.

  • How to Enter Machinery into a Collective Sale

For sellers, entering machinery into a collective sale is simple. Simply fill out an entry form online and arrange drop off goods at Thainstone Centre, Inverurie during our dedicated intake days.

Assets can range from single items to larger consignments across agriculture, construction and wider industry. Our team handles the administration from entry through to settlement, ensuring machinery is professionally catalogued and marketed to an engaged buyer audience.

Optional reserve prices can be set to protect value while still benefiting from competitive bidding.

Once entered, your machinery becomes part of a full online catalogue promoted to buyers.

  • Viewing and Inspection

Transparency underpins every sale.

Viewing days allow buyers to inspect machinery in person, assess condition and speak directly with the auction team. This reduces uncertainty and supports confident, informed bidding.

Whether it is farm machinery, commercial vehicles or industrial equipment, inspection helps buyers confirm suitability before committing, maintaining the integrity of the auction process.

  • Bidding at Auction

When bidding opens, buyers compete in real time from across UK and beyond. Simply register to bid through our online platform ahead of the sale and start bidding.

Each lot is listed online, with automatic notifications informing bidders if they are outbid. The pace builds as genuine demand determines the final sale price.

Unlike private sales, there are no closed-door negotiations or hidden pricing structures. Every bid is visible and competitive.

The highest bid above reserve secures the asset.

  • Reserves and Sale Completion

Some lots may carry a reserve price, the minimum acceptable sale price agreed with the seller.

If bidding meets or exceeds this level, the lot is sold to the highest bidder. Following the auction, successful buyers complete payment within the stated timeframe through a structured settlement process.

Sellers benefit from clear timelines, professional handling and reliable completion.

  • Collection and After-Sale Process

Once payment has cleared, buyers arrange collection within designated windows at Thainstone.

Clear procedures ensure collection runs safely and efficiently, protecting both buyers and sellers and maintaining the professionalism of each collective sale.

Whether buying or selling, collective machinery auctions at Thainstone provide a trusted, commercially effective route to market. With established demand, transparent bidding and professional oversight, TSA continues to be a leading destination for machinery auctions and farm machinery sales across Scotland.

Ready to Take Part in a Machinery Auction?

If you are looking to enter equipment into an upcoming collective sale or source quality assets through a trusted machinery auction, our team is here to help.

Browse upcoming auctions, register to bid today, or speak directly with our auctioneers about entering your machinery into the next collective sale.

View upcoming auctions or contact us today to get started.

For any enquiries contact our team on 01467 623770 or email tsa@anmgroup.co.uk