Toro 640-0108 Drive Assembly — 108° Commercial Rotor

Replacement drive assembly for Toro 640 Series rotors configured to a 108° arc (model 640-0108). Engineered for heavy-duty, commercial irrigation and athletic-field performance, this drive assembly pairs with the 640 stainless-steel nozzle assembly and gear drive to deliver long-term reliability under frequent use.

• Durable construction: Stainless-steel-encased nozzle assembly with engineering plastic and brass components for corrosion resistance and long service life.
• Arc configuration: Pre-set 108° arc—orders use the model suffix to select arc (example: 640-0108 = 108°).
• Compatibility: Designed for Toro 640 Series rotors and nozzle/stator sets; pairs with standard 640 nozzles and replacement stators.
• Hydraulic specs: Recommended operating pressure 40–90 PSI; typical flow range for the series 6–25 GPM and radius 47–67 ft depending on nozzle selection.
• Dimensions & inlet: 1" (25 mm) inlet and 2 3/8" pop-up height on standard models; cap diameter ~3 1/4".
• Service & documentation: Refer to Toro 640 Series installation and service instructions and nozzle performance chart for setup, nozzle selection, and maintenance.

This drive assembly is intended for commercial irrigation installers and maintenance teams who need a field-proven rotor replacement with accessible parts and clear service documentation. For warranty, installation details, and parts lists consult Toro customer service or the included Toro product documents.