July 6, 2026 What is the hydraulic flow on the John Deere 8R 280 Tractor? The John Deere 8R 280 Tractor has a hydraulic pump rated output of Standard: 85-cc pump: 227.1 L/min (60 gpm); Optional: 85-cc plus 35-cc dual pump: 318 L/min (84 gpm).