The John Deere 7R 310 transmission: John Deere e23™ 42 km/h (26 mph); Optional: John Deere e23™ Transmission 50 km/h (31 mph), John Deere Infinitely Variable Transmission (IVT™) 0.050-42 km/h (0.030-26 mph), John Deere Infinitely Variable Transmission (IVT) 0.050-50 km/h (0.030- 31 mph).
