Fan Belt 6718730 Compatible with Bobcat S150-S205 – Service Part

Fleet Stocking Plans — fan belt 6718730 (cross-reference only) kept in scheduled rotation so Bobcat skid steers never idle for a missing consumable.

Technical Specifications

Application Suitability

Why Fan Belts Fail When Nobody Scheduled the Swap

Most belt failures on Bobcat skid steers are preventable — they happen because replacement was never written into the maintenance calendar.

A fan belt is one of the simplest components on the engine, yet when it snaps on site, the entire machine stops. Coolant temperature climbs within minutes, the operator shuts down, and the crew waits for a part that was never on anyone’s stocking list. I have watched a Bobcat S150 sit idle for days because the fan belt 6718730 service part was not in the local distributor’s bin and nobody had planned ahead. [NEED_CITE: preventive maintenance scheduling standards for compact construction equipment]

The pattern repeats across fleets. Rental companies turn machines around between contracts without checking belt condition, and contractors run loaders until something breaks rather than replacing wear items on an hour-based schedule. The cost of a single belt is negligible compared to the cumulative downtime it causes when it fails unexpectedly.

Where This Belt Sits in the Machine’s Service Life

The fan belt drives the engine cooling fan, and in many Bobcat skid steer configurations it also routes around the alternator pulley. It operates under continuous tension and heat, making it a predictable wear item rather than an unpredictable failure point. Treating the fan belt 6718730 service part as a scheduled consumable — like engine oil or hydraulic filters — removes it from the category of emergency purchases and places it where it belongs in a fleet maintenance budget.

Wear Signals That Should Trigger Early Replacement

Visible cracking on the belt ribs, a glazed or shiny running surface, and fraying on the outer edges all indicate that the belt is approaching the end of its useful life. Squealing on cold start suggests the belt is slipping, which may point to a worn tensioner as much as a worn belt. When any of these signs appear on an S175 or S185 unit, the replacement window has already opened — waiting for the next scheduled service risks a field failure. [NEED_CITE: visual inspection criteria for v-belt and serpentine belt condition assessment]

Grouping the belt swap with adjacent service items such as coolant hose inspection, thermostat testing, and air filter replacement means the machine is opened once and returned to work with a full set of refreshed consumables.

Reading the Specifications That Matter

The ISO 9001 quality standard behind this fan belt confirms that the manufacturing process is controlled, which matters for a component that must maintain consistent length and cross-section under thermal cycling. A belt that stretches unevenly will track off the pulley and fail prematurely. The 3–12 month warranty against manufacturing defects covers material and workmanship issues that could surface during early operation. The single-piece minimum order quantity means a fleet manager can add one belt to a larger parts order without triggering unnecessary volume thresholds, making it practical to keep a spare on the shelf for each model in the fleet.

The Accumulated Cost of Reactive Belt Purchasing

When a belt is ordered only after it breaks, the machine is already down. Expedited freight costs multiply, the job schedule slips, and secondary damage — overheating, head gasket stress, coolant loss — can follow if the operator does not shut down immediately. Across a fleet of ten Bobcat skid steers, running each belt to failure rather than replacing on schedule means ten unplanned downtime events, each pulling a machine off a paid contract. The cumulative effect on project timelines and rental revenue is significant, even though the individual part cost is low. [NEED_CITE: cost of unplanned downtime versus planned maintenance in equipment fleet operations]

Why Procurement Here Supports Lifecycle Planning

XUNPO manufactures selected part lines in-house and sources the remainder from qualified ISO-certified partners, so every fan belt ships under the same quality control and warranty terms regardless of production origin. Eight product categories — from engine parts to undercarriage and seal kits — allow a fleet manager to consolidate belts, filters, hoses, and gaskets into one purchase order and one shipment. The Guangzhou warehouse carries stock on common fast-wear items for rapid dispatch. Part identification can be confirmed from a part number, machine model, or a photograph of the nameplate, which is useful when servicing older Bobcat 5600 and 773 loaders where original labels have faded. Cross-reference verification covers superseded and alternate numbers so stocking decisions are based on accurate data. A technical team is available to confirm compatibility and advise on grade selection before you commit to bulk quantities.

Documentation & Verification

• Commercial invoice and packing list itemizing belt quantities per machine model
• Part compatibility sheet listing verified fitment for S150 through T190 loaders (reference only)
• Quality inspection record covering dimensional checks on belt length and cross-section
• Warranty terms stating 3–12 months coverage against manufacturing defects
• Packing photographs documenting belt condition and packaging before dispatch
• HS code and customs documentation support for international belt shipments

Service Interval & Stocking Guidance

• Replace the fan belt every 500 operating hours or at annual service, whichever arrives first
• Inspect belt ribs for cracking and glazing during each 250-hour intermediate check
• Stock one spare belt per machine for S150–S205 units operating on active job sites
• Store belts in a cool, dry location away from direct sunlight and chemical vapours
• Record belt replacement dates in the fleet maintenance log to track wear rate trends

Planning Your Fleet Belt Enquiry

Provide your machine models, approximate operating hours, and current service interval schedule. This allows a tailored stocking recommendation covering how many fan belt 6718730 service parts to hold for your specific Bobcat fleet mix, along with compatible filters, tensioners, and hoses that share the same service window.

Frequently Asked Questions

Q: How often should the fan belt be replaced on a Bobcat skid steer?
A: A practical replacement interval is every 500 operating hours or at the annual service event. Machines operating in high-dust or high-temperature environments may need earlier swaps. Inspect the belt ribs and running surface at each 250-hour check to confirm whether the scheduled interval remains appropriate for your working conditions.

Q: What symptoms indicate the belt needs replacement before the scheduled interval?
A: Visible cracking across the belt ribs, a glazed or polished running surface, frayed outer edges, and squealing on cold start all signal advanced wear. Squealing often indicates slipping, which may also involve a weak tensioner. Any of these signs on an S175 or S185 means the replacement window has already opened and should not be deferred.

Q: Should the belt tensioner and pulleys be replaced at the same time?
A: Inspect the tensioner pulley bearing for play and the pulley faces for groove wear whenever the belt is off. If the tensioner spring feels weak or the pulley wobbles, replacing them together avoids a second service event shortly after. Grouping these items keeps total machine downtime to a single planned window.

Q: How many belts should I stock for a fleet of S150–S205 units?
A: A baseline is one spare belt per machine on active duty. Rental fleets turning machines between contracts may hold two per unit to cover turnaround inspections. Confirm fitment across your specific serial ranges before committing to bulk stock, as belt routing can vary between early and late production models.

Q: Can I still get supply for older models like the 5600 or 773?
A: Yes. Aftermarket supply for legacy Bobcat loaders remains available through verified cross-references. Confirm your machine model and, where possible, provide a photograph of the old belt or nameplate to verify the correct routing and length before ordering for these older units.