Options:8-speed non-synchronized, 8-speed partially synchronized, 16-speed partial power shift, 8-speed power shuttle
John Deere Collar Shift (CST):non-synchronized, 8 forward and 4 reverse gears, dry disc clutch, four gears with two forward and one reverse range
John Deere Collar Shift Reverser:power shuttle, 8 forward and reverse gears, adds a hydraulic reverse to the CST transmission
John Deere Top-Shaft Synchronized (TSS):partially synchronized, 8 forward and 4 reverse gears, dry disc clutch, four gears (1-4) with two ranges (I-II) and reverse range, optional creeper range provides 12 forward and 8 reverse speeds
John Deere Hi-Lo Top-Shaft Synchronized (TSS):partial power shift, 16 forward and 8 reverse gears, dry disc clutch, adds a hydraulic high-low power shift to the basic TSS transmission