He bought it. I signed it. While at the auction, he also bought a John Deere 6400 MFWD tractor with 1,500 hours and Deere 640 loader for $81,885 — a record price by an astounding $32,385.

The John Deere 644K Hybrid wheel loader features the latest variation of hybrid technology for construction applications. A diesel engine running at steady state turns an electric generator.

Agricultural machinery manufacturer John Deere has developed autonomous tractors with GPS ... difficult terrain such as quarries. The tipper loader finds its own way. Twelve cameras provide ...