John Deere 425 Original Price, Reviews, Attachments, Specs, Serial Numbers, Engine Oil Capacity, History, Features & Pictures The John Deere 425 lawn tractor is very similar to the John Deere 420. You could even say that the John Deere 420 was the prequel to the John Deere 425. Why is that? Well, they both have comparably sized engines. They both deliver 20 horsepower, … [Read more...] about John Deere 425 Original Price, Specs, Reviews & Attachments