Fan Belt 6718730 Replacement for Bobcat Skid Steer Loader Model-Matched

Verified Cross-Reference — Our technical team confirms every 6718730 belt against your specific Bobcat skid steer loader serial range before dispatch.

Technical Specifications

Application Suitability

Why the Same Part Number Ships in Multiple Variants

A cross-reference table alone cannot confirm whether a Fan Belt 6718730 for Bobcat Skid Steer Loader will actually mount on your machine.

Even when the part number matches perfectly on paper, variant differences introduced during production runs can change pulley groove profiles, belt lengths, or rib counts. I once supported a Bobcat S175 owner who ordered a belt using an older service manual reference. The part number was technically correct for the machine model, but a mid-production change to the cooling fan hub altered the pulley engagement geometry. The belt sat too deep in the groove, slipped under load, and the machine overheated during a grading shift. [NEED_CITE: belt drive variant identification for skid steer loaders]

Copied cross-reference tables between sellers compound the problem. A number that fits an early S150 might be listed as fitting an S185 without anyone verifying the tensioner bracket revision. That is why we check machine serial numbers before confirming any Fan Belt 6718730 for Bobcat Skid Steer Loader cross reference fitment.

Serial Range Verification Across the Bobcat Lineup

The Bobcat machines listed for this belt span different production generations, each with potential running changes to the belt drive system. An S150 from an early build may use a slightly different belt profile than one produced years later under the same model designation. Our technical team cross-references your machine serial number against known variant breakpoints to confirm the Fan Belt 6718730 for Bobcat Skid Steer Loader matches your specific unit.

Interface and Pulley Profile Confirmation

Before confirming fitment, we verify the belt rib count, top width, and effective length against the pulley set installed on your machine. Port position on adjacent components like the alternator or water pump can shift between model years, altering the belt routing path. A dimensional comparison against your removed belt or a photograph of the pulley arrangement helps eliminate guesswork. [NEED_CITE: serpentine belt profile measurement standards for off-highway equipment]

Material Composition and Thermal Resistance

The high-tensile polyester cords provide dimensional stability under the cyclic loading typical of skid steer cooling drives, resisting stretch that would otherwise reduce tension and cause slippage. Heat-resistant rubber compounds maintain flexibility across the temperature range encountered near the engine fan, where ambient airflow is restricted during heavy lifting or grading. This material pairing addresses both mechanical fatigue and thermal degradation over the service interval.

When a Correct Number Still Fails on Site

A belt that fits the pulley but rides at the wrong depth will slip under load, generating excess heat and glazing the contact surfaces within hours. If the rib profile does not match the groove geometry precisely, localized wear accelerates on both the belt and the pulley itself, leading to premature replacement of the entire drive set. Forced fitment of a near-match can also overload the tensioner bearing, causing secondary failure downstream. [NEED_CITE: belt drive misalignment failure modes in compact loaders]

Why Buyers Source This Belt Through Our Team

Our Guangzhou warehouse stocks common fast-failure items for rapid dispatch, while our technical team confirms variant-level compatibility before any order ships. We produce selected part lines in our own facility and source the remainder from qualified ISO-certified manufacturing partners, so both self-produced and sourced supply carry the same quality control and warranty terms. Cross-reference verification covers superseded and alternate numbers that generic listings miss. Sample supply is available for fitment confirmation before you commit to bulk quantities, and our team can identify the correct belt from a machine model or nameplate photograph when the original number is unreadable.

Documentation & Verification

• Commercial invoice listing machine model and confirmed part variant for customs clearance
• Cross-reference sheet marking all OEM numbers as reference only with alternate part mappings
• Dimensional inspection record covering belt length, rib count, and top width before dispatch
• Warranty terms specifying coverage period against manufacturing defects
• Packing photographs showing belt condition and labeling prior to shipment
• HS code and export documentation support for international aftermarket parts trade

Fitment Check Before Installation

• Compare belt rib profile and effective length against the removed unit or pulley groove dimensions
• Verify belt routing path matches the machine service manual diagram for your serial range
• Inspect pulley surfaces for glazing or groove wear that could affect new belt seating
• Check tensioner arm travel and bearing play before installing the replacement belt
• Run the engine at idle and observe belt tracking for the first several minutes
• Re-check tension after initial run-in period and adjust if the tensioner allows

Request a Fitment Verification Before Ordering

Provide your Bobcat machine model, serial number, or a photograph of the existing belt and pulley arrangement. Our technical team will confirm whether this belt matches your specific unit and flag any variant differences that could affect installation.

Frequently Asked Questions

Q: How do I confirm this 6718730 belt fits my specific Bobcat skid steer loader? A: Send us your machine model and serial number, or a clear photograph of the nameplate. Our technical team cross-references your serial range against known production variant breakpoints to verify the belt profile, length, and rib count match your specific pulley configuration before confirming the order.

Q: My old belt number is different — can 6718730 still be the correct replacement? A: Possibly. Bobcat has superseded certain belt numbers across production years, and some alternate references map to the same physical specification. Provide your old belt number and machine serial number so we can run a verified cross-reference check and confirm dimensional compatibility.

Q: Why do some listings show this number fitting models mine is not listed for? A: Cross-reference tables are often copied between sellers without verification. A number may appear to fit multiple models on paper, but pulley geometry or routing differences mean it only seats correctly on specific serial ranges. We verify fitment against your actual machine rather than relying on aggregated lists.

Q: I only have the machine model with no readable part number — can you identify the right belt? A: Yes. Provide your Bobcat model and serial number, or a photograph of the pulley arrangement and belt routing. We use machine build records and dimensional references to identify the correct belt specification even when the original nameplate is worn or painted over.

Q: Can I get a sample before ordering in bulk? A: We supply sample units for fitment confirmation before bulk commitment. This allows your workshop to verify pulley engagement, routing clearance, and tensioner compatibility on the actual machine before placing a larger order for fleet or resale stock.