John Deere 7700 Price, Reviews, Specs, Engine Oil Capacity, Weight, Serial Numbers, Attachments, History, Features & Pictures John Deere 7700 Row-Crop Tractor is equipped with a John Deere turbocharged diesel 6-cylinder liquid-cooled engine, which delivers 126 hp (94.0 kW) power at rated rpm 2100. John Deere 7700 Row-Crop Tractor featured with a John Deere 7.6L 6-cyl … [Read more...] about John Deere 7700 Price, Specs, Review, Attachments