16063 Belt Pump Drive 5/8" x 82.5" Rotary (Genuine Rotary OEM Part) Overview The Rotary 16063 Pump Drive Belt is a high-quality OEM-equivalent replacement belt designed for Scag zero-turn mowers using a hydraulic pump drive system. Manufactured to Rotary specifications, this belt delivers reliable power transfer, consistent tension, and long service life in demanding commercial mowing conditions. It is a direct replacement for Scag 485697 and is commonly used on Scag Turf Tiger II models. Product Details Part Number: 16063 Brand: Rotary Description: Pump Drive Belt Belt Width: 5/8" (B-section) Belt Length: 82.5" (82-1/2") Application: Hydraulic pump drive OEM Status: Genuine Rotary OEM Part Function Transfers engine power to hydraulic pumps Maintains proper belt tension and alignment Ensures smooth and efficient hydraulic operation Built for heavy-duty commercial mower use Compatibility Fits select Scag Turf Tiger II mower models, including: Turf Tiger II 52" Turf Tiger II 61" Turf Tiger II 72" ⚠️ Always verify belt length and mower model before ordering. Replaces / Cross-Reference Scag: 485697 How It’s Used Installed as the pump drive belt between the engine pulley and hydraulic pump pulleys. Proper routing and tension are critical for correct operation. Refer to the equipment service manual for installation and adjustment procedures. Maintenance Tips Inspect belt regularly for cracks, glazing, or stretching Maintain proper belt tension to prevent slippage Replace at first sign of excessive wear Use matched OEM-quality belts for best performance