136H450F131

Genuine OEM Kohler - 24 144 37-S - Shaft

AH600-1631M

Samson Arbor-Plex

Pro X and Pro Z Models L54KH

Hydro-Gear - 1710-1083R - ZT-4400 Hydrostatic Transaxle Pitch - .325" 136H450F131ZT 4400 OUR MOST HIGHLY EFFICIENT COMMERCIAL DRIVE. The ZT 4400 is a revolutionary design, improves operator control but also reduces vibration and noise. We built it for heavy loads with heavy duty roller bearings, high capacity thrust bearing for extended life, a high efficiency 12cc pump, 16cc motor, and a beefy 1 3 8 axle shaft. Intimidating specs AND its built to last! Revolutionary design that improves operator control while reducing vibration