Drive Pump Belt 6726898 for Bobcat Loaders – Model-Matched

Verified fitment by serial range — cross-reference 6726898 checked against Bobcat loader production variants before dispatch.

Technical Specifications

Application Suitability

Why the Same Drive Pump Belt 6726898 Ships in Multiple Variants

The part number alone does not guarantee fitment — production year, pulley revision, and machine serial range all influence which belt variant actually seats on your pump drive.

Buyers in the field often pull a worn belt, read the faded number, and reorder without checking whether the replacement matches the current pulley profile. I have seen a Bobcat Loader 753 customer order based on the printed reference, only to discover the groove spacing differed by a fraction that prevented proper engagement. The machine sat idle while a second shipment was arranged [NEED_CITE: Bobcat loader belt drive variant differences across production years]. Across salvage yards and repair shops, mismatched cross-reference tables get copied forward without validation, compounding the error rate with every new listing.

Matching the Belt to Your Exact Loader Serial Range

The Drive Pump Belt 6726898 covers a broad span of Bobcat skid steer and track loaders, but fitment depends on confirming where your machine falls within each model's production run. Serial ranges determine which pulley revision was installed at the factory, and that revision dictates groove count, belt width tolerance, and effective length under tension. Supplying the machine serial number allows the exact variant to be confirmed before the belt leaves the warehouse, eliminating the trial-fitment gamble that keeps machines down longer than necessary.

Groove Profile and Pulley Engagement Verification

A three-groove cogged belt must seat fully into every pulley valley to transmit drive torque without slip. If the cog pitch on the replacement belt does not match the pulley tooth spacing, partial engagement causes localized wear that accelerates belt failure within weeks [NEED_CITE: belt drive alignment and groove engagement standards for mobile hydraulic equipment]. The 57.4-inch length and 1.19-inch width must be measured against the existing belt or the pulley center distance to confirm correct tension range. Fiber-loaded backing and cord reinforcement maintain dimensional stability under the heat and load cycles typical of construction and agricultural duty.

Decoding the Cog Geometry for Real-World Load Conditions

The variable cog design on this Drive Pump Belt 6726898 is not simply a manufacturing choice — it governs how the belt flexes around the smaller-diameter drive pulley without cracking at the root. Deeper cogs reduce bending stress at tight wrap angles, which matters on compact loaders where the pump pulley sits close to the engine crank pulley. The flat profile distributes contact pressure evenly across the pulley face, preventing edge wear that plagues mismatched V-belt substitutions. Fiber-reinforced backing resists elongation under sustained hydraulic pump load, and the cord support layer carries the tensile force that the rubber body alone cannot sustain [NEED_CITE: cogged belt design parameters for high-torque hydraulic pump drives].

What a Forced Fitment Costs Beyond the Belt Itself

When a belt that is dimensionally close but not precisely matched is tensioned onto the pulley, it may appear to seat correctly at first inspection. Under operating temperature and hydraulic load, however, the cog roots develop micro-tears that propagate until the belt sheds material or snaps mid-shift. The loader loses hydraulic drive function immediately, and the secondary damage can include scored pulley grooves that require replacement of the pulley itself — a far more involved repair than a belt swap [NEED_CITE: belt failure modes and secondary damage in mobile equipment hydraulic drives]. The downtime compounds when the correct belt must then be sourced and shipped to a remote job site.

Sourcing Verified Fitment from a Single Accountability Point

Production on selected belt lines and qualified sourced supply operate under the same QC protocol and warranty terms, so the Drive Pump Belt 6726898 carries consistent dimensional inspection regardless of origin. Eight product categories mean that when a repair also calls for seals, filters, or hydraulic fittings, the full list ships in one consignment rather than arriving on staggered schedules. Minimum order starts at one piece, so a single emergency replacement does not require padding a purchase order. Part identification works from a part number, a machine model, or a photograph of the worn belt and nameplate. Cross-reference verification covers superseded numbers that older Bobcat loaders may carry. A sample belt can be dispatched for physical fitment confirmation before a fleet-level bulk order is committed.

Documentation & Verification

• Commercial invoice listing each belt variant and quantity against the confirmed machine model
• Cross-reference sheet mapping 6726898 (reference only) to verified Bobcat serial ranges
• Dimensional inspection record covering length, width, and groove pitch before dispatch
• Warranty terms document specifying coverage period and defect claim procedure
• Packing photographs showing belt condition and labeling prior to crate sealing
• HS code guidance for cross-border customs clearance on rubber drive belt shipments

Fitment Check Before Installation

• Compare the 57.4-inch length and 1.19-inch width against the removed belt before mounting
• Verify all three grooves seat fully into the pump pulley valleys with no visible gap at the root
• Rotate the drive system by hand two full revolutions to confirm smooth cog engagement
• Check belt tracking alignment across both pulleys under initial tension
• If groove pitch does not match, halt installation and contact the technical team for variant exchange
• Document pulley condition with photographs if grooves show scoring or polishing from the previous belt

Inquiry Guidance

Provide the machine model and serial number from the Bobcat nameplate, along with a photograph of the existing belt and pulley if accessible. This allows fitment verification against the correct production variant and cross-reference confirmation before the Drive Pump Belt 6726898 is released for shipment. For fleet orders covering multiple loader models, a consolidated compatibility list is prepared so every belt in the consignment is pre-verified to its target machine.

Frequently Asked Questions

Q: How do I confirm this belt fits my specific Bobcat loader? A: Share the machine model and serial number from the equipment nameplate. The serial number identifies the production variant and pulley revision, which determines the exact groove pitch and length requirement. A cross-reference check against 6726898 (reference only) is completed before dispatch, and a dimensional comparison sheet is provided with the shipment for your on-site verification.

Q: Do older models like the 753 and newer S-series use the same belt? A: They share the same base reference number, but pulley revisions changed across production generations. A 753 from an early serial range may require a different cog profile than an S175 built years later. Providing the serial number resolves this ambiguity and ensures the correct variant ships, rather than relying on a generic cross-reference table that does not account for running changes.

Q: What if I only have the machine model and no old part number? A: The machine model combined with the serial number is sufficient for identification. If the nameplate is worn or painted over, a photograph of the existing belt — showing groove count and any visible markings — allows the technical team to confirm compatibility. The pulley itself can also be photographed to verify groove spacing against known specifications.

Q: Why are there different versions under the same reference 6726898? A: Production running changes introduced pulley revisions that altered groove pitch and belt length requirements while the base reference number remained unchanged. This is common across loader generations where the drive pump assembly was updated without renumbering the belt. Serial-range verification resolves which variant fits your specific machine without trial installation.

Q: Can I order a sample to test fitment before placing a bulk order? A: A single sample belt can be shipped for physical fitment confirmation on your machine. Once the sample seats correctly on the pulley and tracking is verified under tension, a bulk order covering the full fleet requirement is processed against the confirmed variant. This eliminates the risk of receiving a full shipment that does not match the actual pulley configuration.