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Description
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 hydraulic 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
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Part Number: 16135
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Brand: Rotary
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Description: Pump Drive Belt
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Belt Width: 5/8" (B-section)
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Belt Length: 71.5" (71-1/2")
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Type: V-belt
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OEM Status: Genuine Rotary OEM Replacement Part
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Application: Hydraulic pump drive system
Function
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Transfers engine power to the hydraulic pump
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Maintains proper belt tension and alignment
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Ensures efficient hydraulic performance
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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:
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Grasshopper: Belt PN 382067
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Scag: Belt PN 485649
⚠️ Always verify belt size, mower model, and serial number before ordering to confirm correct fitment.
Replaces / Cross-Reference
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Grasshopper: 382067
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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
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Inspect belt regularly for cracking or wear
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Ensure proper belt tension according to manufacturer specs
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Replace at first sign of slippage or uneven wear
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Clean pulleys and idlers to prevent debris buildup
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Use high-quality OEM belts for best longevity
