Belt Tensioner - Heavy Equipment Parts | XUNPO Global Distribution

Belt Tensioner Assembly for Cummins ISB, QSB – Fleet Supply

3936213, 5259022, 3976831 Belt Tensioner Assembly, Forged SAE 1045 Steel, Hydraulic Damper — replacement for Cummins 6C, ISB, QSB, ISC, QSL and B-series engines. This tensioner is a predictable wear item; replacing it at scheduled belt service intervals prevents derailment and downstream damage to alternator and water pump bearings. Hydraulic damping maintains consistent belt tension across temperature and load variations. Sourced for fleet-level planned maintenance across excavators, loaders and power generation units. Replacement interval guidance included with shipment for scheduling alignment

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Wear Item Tensioner Pulley 6735884 Compatible with Bobcat Loaders

6735884 Drive Belt Tensioner Pulley Assembly — heat-treated 40Cr alloy steel, sealed double-row angular contact bearings, compatible with Bobcat 653, 751, 753, 763, 773, 7753 skid steer loaders. Replacing the tensioner at scheduled service intervals prevents belt slippage and secondary drive component wear; swapping the belt at the same time extends overall system life Typical failure signs include bearing noise, belt misalignment, and tension loss under load — early replacement avoids unplanned downtime Cross-reference: 6711698 (reference only) Replacement interval guidance provided with shipment to support fleet maintenance planning.

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Belt Tensioner 3976832/3911621 for Cummins 4B3.9–QSB5.9 – Scheduled Maintenance

Belt Tensioner 3976832/3911621, Cummins 4B3.9–QSB5.9 Serpentine Drive — replacement for Hyundai R305LC-7, R290LC-7, HL740-9S and M939 series. Replace at scheduled service intervals alongside the serpentine belt and idler pulleys as a matched set to prevent cascading accessory-drive failures. Die-cast aluminum body with hardened 42CrMo pivot shaft maintains consistent preload under high-vibration digging and haul cycles. Typical wear indicators include spring preload loss, bearing noise, and belt squeal. Replacement interval recommendations ship with every consignment for fleet maintenance planning.

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Drive Belt & Tensioner Assembly for Bobcat S510–T595 – Service Part

Drive Belt & Tensioner Assembly 7257359, EPDM with aramid reinforcement — replacement for Bobcat S510, S530, S550, S570, S590, S595, T550, T590, T595 skid steer and compact track loaders. Replace belt and tensioner together at planned service intervals to prevent cascading cooling fan and alternator failures Edge cracking, glazing, or chirping at startup signals the replacement window is due Single SKU covers ten models, simplifying fleet stocking for mixed S-series and T-series fleets Recommended service intervals included with shipment to support your fleet maintenance schedule.

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RE548027 Belt Tensioner for John Deere Engines – Service Part

Replacement interval guidance included with every shipment for your maintenance planning.

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Wear Item Belt Tensioner Compatible with Cummins ISBE6.7

Belt Tensioner 3976834/3957434, Die-cast Aluminum Housing with Sealed 6001-2RS Bearing — replacement for Cummins ISBE6.7, 6CT, 6BT, and 6CT8.3 engines. Replace during scheduled major service to avoid belt slippage and cascading accessory drive failure Watch for spring sag, bearing noise at idle, or uneven belt wear as end-of-life indicators Pair with serpentine belt and idler pulleys for a complete belt drive system refresh Recommended replacement intervals provided with shipment to support fleet maintenance planning

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Wear Item Belt Tensioner Pulley Compatible with Bobcat T140–T590

6735884 Belt Tensioner Pulley Assembly — fits Bobcat T140, T180, T190, T550 and T590 compact track loaders. Heat-treated SAE 1045 steel body with dual-lip nitrile seals and ±0.05 mm shaft bore tolerance for stable belt tracking under continuous duty. Replace at scheduled service intervals or when belt flutter, squeal or erratic coolant temperature signals bearing wear — swapping the full pulley assembly rather than the bearing alone restores correct tension and protects the fan and alternator from cascading damage. Supplied with a recommended replacement interval sheet matched to your fleet maintenance schedule.

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Belt Tensioner Kit for Bobcat Skid Steers – Service Part

Belt Tensioner Kit 6662997 for Bobcat Skid Steers, Idler Arm with Pulley & Spring — replacement for OEM reference 6662997, 6725212, 6702474. As a scheduled wear component in the belt drive system, replacing the tensioner at the first sign of belt slippage or spring preload loss prevents cascading failures in the fan drive and cooling circuit. The complete kit ships with matched idler arm, pulley, torsion spring, and O-rings so the full assembly is renewed together. Fits Bobcat 753, 873, S130–S300, T140–T300, A220–A300 skid steer and track loaders Replacement interval guidance included with shipment to support fleet maintenance scheduling

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Cooling Fan Belt Tensioner Kit 7302291 for Bobcat – Fleet Supply Service Part

Cooling Fan Belt Tensioner Kit 7302291, Heat-treated Carbon Steel Arm — replacement for Bobcat skid steer and track loaders including 653, 753, 863, S185, T200 and more. Replace tensioners on schedule before belt squeal, arm play, or deflection loss leads to pulley scoring and overheating downtime Pair with belts and idlers during planned service to avoid split deliveries and repeat teardowns Suits rental fleets and contractors managing predictable maintenance intervals across aging Bobcat platforms Recommended replacement intervals and fitment verification included with every shipment

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Bobcat Skid Steer Loaders-Compatible Wheel Tensioner – Fleet Supply

Wheel Tensioner 7167165 (cross-reference only) for Bobcat Skid Steer Loaders, forged steel housing — compatible with A770, S510, S530, S550, S570, S590, S630, S650, S750, S770, S850, T550, T590, T630, T650, T750, T770, T870. Track slack, uneven wear patterns, and lateral drift under load signal approaching end of service; replacing this wear item on schedule avoids collateral sprocket and track link damage. Dual-lip nitrile rubber seals maintain tension integrity across construction and demolition cycles. Replacement interval guidance provided with shipment to support fleet lifecycle planning

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Belt Tensioner RE518097 Replacement for John Deere 4045/6068 Long-Life

Belt Tensioner RE518097, forged steel housing, dual-lip nitrile seal — replacement for John Deere 4045/6068 series engines across excavators, loaders, bulldozers and tractors. Replacing at defined service intervals prevents cascading damage to water pumps, alternators and AC compressors driven by the same belt. Inspect pulleys and idlers during the same service event to avoid second downtime. Preload calibration 25–45 N·m, operating range −40°C to +120°C Planned replacement intervals and stocking recommendations included with shipment

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【记录ID】 9917 → 9+9+1+7 = 26 26 mod 6 = 2 → 句式：[品类词] [规格或件号] | [站点修饰词] for [应用/机型] 26 mod 6 (站点修饰词池) = 2 → Long-Life Belt Tensioner 87326910 J914086 | Long-Life for CASE Loaders 字符数：58

Belt Tensioner 87326910 J914086 (cross-reference) — high-strength forged steel housing with precision-machined pivot shaft and elastomeric damping element, compatible with CASE excavators, loaders, dozers and agricultural equipment. Plan replacement at scheduled belt-drive service intervals to prevent unscheduled cooling system shutdowns across mixed CASE fleets Stock alongside matched belts and idler pulleys so maintenance windows stay on track without partial-service delays Forged construction and consistent deflection performance support extended service cycles in both extreme cold and high-heat operating environments Replacement cycle recommendations ship with every order to support your fleet maintenance planning.

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