16135 Belt Pump Drive 5/8" x 71.5" Rotary (Genuine Rotary OEM Replacement Part)

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16135 Belt Pump Drive 5/8" x 71.5" Rotary (Genuine Rotary OEM Replacement Part) Overview The Rotary 16135 Pump Drive Belt is a Genuine Rotary OEM replacement belt engineered for hy draulic pump drive applications on commercial mowers. Designed with heavy-duty construction, this V-belt delivers reliable power transfer and long service life in demanding professional mowing conditions. Built to OEM quality standards, the 16135 belt ensures proper fit, smooth operation, and consistent performance as a direct replacement for specific Grasshopper and Scag pump drive belts. Product Details Part Number: 16135 Brand: Rotary Description: Pump Drive Belt Belt Width: 5/8" (B-section) Belt Length: 71.5" (71-1/2") Type: V-belt OEM Status: Genuine Rotary OEM Replacement Part Application: Hydraulic pump drive system Function Transfers engine power to the hydraulic pump Maintains proper belt tension and alignment Ensures efficient hydraulic performance Built for commercial-grade mower use Compatibility This belt fits a variety of commercial mower models requiring a 5/8" x 71.5" pump drive belt, including but not limited to: Grasshopper: Belt PN 382067 Scag: Belt PN 485649 ⚠️ Always verify belt size, mower model, and serial number before ordering to confirm correct fitment. Replaces / Cross-Reference Grasshopper: 382067 Scag: 485649 How It’s Used Installed as the drive belt between the engine pulley and hydraulic pump pulley(s). Proper routing and belt tension are critical for smooth operation and to prevent slippage or premature wear. Consult the equipment service manual for correct installation procedures. Maintenance Tips Inspect belt regularly for cracking or wear Ensure proper belt tension according to manufacturer specs Replace at first sign of slippage or uneven wear Clean pulleys and idlers to prevent debris buildup Use high-quality OEM belts for best longevity Show more