Drive Pump Belt 6662855 Compatible with Bobcat Loader – Cross-Reference

Verified Fitment — Each Drive Pump Belt 6662855 (cross-reference only) is checked against Bobcat loader serial ranges before dispatch to eliminate pulley groove mismatches.

Technical Specifications

Application Suitability

Why the Same Part Number Ships in Different Configurations

Cross-reference tables copied between sellers carry forward errors that only surface when the belt meets the pulley.

A Bobcat loader sits idle while the buyer waits for a replacement drive pump belt. The number on the old belt is faded, so the search defaults to whatever listing matches the machine model. But within a single base number, rib counts and effective lengths can vary across production years. A belt that looks correct in the listing may arrive with a pitch that does not seat in the pulley grooves, or an effective length that puts the tensioner beyond its travel range [NEED_CITE: aftermarket belt cross-reference accuracy in mobile equipment]. I have handled returns where the outer diameter measured correctly but the rib profile was wrong for the specific pump pulley generation. That kind of mismatch is not visible in a photograph.

Serial Range Verification Across the Bobcat Loader Line

The Drive Pump Belt 6662855 fits across a wide range of Bobcat loaders, from the 853 skid steer through the S300 and T300 compact track loaders. However, machine model alone is not enough to guarantee correct fitment. Production year, engine option, and pump configuration all influence which belt variant the machine actually requires. Before we release any Drive Pump Belt 6662855 from our Guangzhou warehouse, we cross-check the buyer's machine serial number against known configuration splits. This step catches the units that left the factory with an alternate hydraulic pump or a revised pulley arrangement.

Pulley Groove and Interface Checks Before Fitment

The 4-rib, 10mm pitch configuration must match the hydraulic pump pulley exactly. A belt with the right effective length but wrong rib spacing will ride high in the grooves, generating heat and accelerating wear on the cord reinforcement. We verify rib count and pitch against the specific pump model tied to the machine serial number [NEED_CITE: V-belt pulley groove matching standards for hydraulic drive systems]. The joined V-belt design also matters: unlike individual belts, a joined configuration requires all ribs to engage simultaneously. If the pulley faces are worn unevenly, one rib carries disproportionate load and the belt fails prematurely. We recommend buyers inspect pulley condition before installing any replacement belt.

Reading the Specification Sheet for Real-World Impact

The 3VX narrow profile is designed for compact drive systems where space limits pulley diameter. Narrow belts transmit higher loads per unit width compared to classical V-belts, which matters in the tight engine compartments of Bobcat compact track loaders like the S300 and T300. The chloroprene rubber compound provides resistance to hydraulic oil mist and elevated ambient temperatures typical in construction and waste management environments. High-tensile polyester cord maintains the 1760La effective length under continuous load, preventing the stretch that would otherwise push the tensioner past its adjustment limit. The anti-static formulation addresses dust accumulation in agricultural and mining applications, where static discharge can attract abrasive particulate to the belt surface [NEED_CITE: elastomer compound selection criteria for mobile equipment drive belts]. These material choices are not marketing claims — they define whether the belt survives a summer shift in a demolition yard.

The Hidden Cost of Fitment Errors

A belt that does not match the pulley groove profile will either refuse to seat during installation or fail within the first operating hours. Refusing to seat means a return shipment, a second order, and continued machine downtime. Seating but failing early is worse: the machine runs just long enough to be put back into production before the belt snaps under load, often damaging adjacent components like the tensioner arm or pulley bearings [NEED_CITE: secondary damage from drive belt failure in hydraulic pump systems]. For a Bobcat 853 or S250 on a rented job site, that second failure can cost more in penalty charges than the belt itself. Fitment verification before shipment is not an optional step — it is the difference between a one-hour belt swap and a multi-day outage.

Why Source This Belt Through Our Account

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 QC and warranty terms. For the Drive Pump Belt 6662855, we verify rib count, pitch, and effective length against the buyer's specific Bobcat loader serial number before dispatch. Our Guangzhou warehouse stocks common configurations for fast release on models like the 853, S300, and T300. We support identification from machine model alone when the original belt number is worn or the nameplate is unreadable. Cross-reference verification covers superseded and alternate Bobcat part numbers, catching listing errors before they reach the job site. A sample unit ships for physical fitment trial before any buyer commits to fleet-level quantities.

Documentation & Verification

• Commercial invoice listing each belt by machine model and confirmed serial range
• Part compatibility sheet showing 6662855 (reference only) against superseded Bobcat numbers
• Dimensional check record confirming rib count, pitch, and 1760La effective length
• Warranty terms covering manufacturing defects for 3 to 12 months from dispatch
• Packing photographs documenting belt condition and labeling before crate closure
• HS code and customs documentation support for international shipment

Fitment Check Before Installation

• Confirm rib count and 10mm pitch against the installed pulley before removing the old belt
• Measure the old belt effective length and compare to 1760La specification
• Inspect pulley groove surfaces for uneven wear that could cause rib load imbalance
• Route the joined V-belt over all pulleys without prying to avoid cord damage
• Set tension to Bobcat machine specification and recheck after initial run-in
• If the belt does not seat fully, stop and contact us with pulley photographs for verification

Request Fitment Verification Before Ordering

Send us your Bobcat loader model, serial number, and any readable text from the old belt or nameplate. If the number is gone, a photograph of the pump pulley and engine compartment layout is enough for our technical team to confirm the correct belt configuration. We will return a cross-reference confirmation showing whether 6662855 (reference only) matches your specific machine build. For fleet buyers, we provide a sample unit for trial fitment before you commit to a full order.

Frequently Asked Questions

Q: How do I confirm this belt fits my specific Bobcat loader model and serial number? A: Provide your machine model and serial number, and we cross-check against known production splits. Bobcat loaders within the same model family sometimes shipped with different hydraulic pump configurations across production years. We verify the rib count, pitch, and effective length against the specific pump tied to your serial range before confirming fitment.

Q: The old belt number is different — is 6662855 (reference only) still the right replacement? A: Bobcat has superseded several belt part numbers over the years, and older numbers may map to the same physical specification. Send us the old number along with your machine serial number. We run a cross-reference check that covers superseded and alternate numbers to confirm whether 6662855 (reference only) is the correct current equivalent for your machine.

Q: Why do some listings show different configurations under the same base number? A: Copied cross-reference tables often merge variants that share a base number but differ in rib count or effective length. These errors persist across multiple seller listings. We verify configuration against your machine serial number rather than relying on generic tables, ensuring the belt that ships matches your pulley setup.

Q: I only have the machine model, no readable part number — can you identify the correct belt? A: Yes. Provide the machine model and serial number, and we can identify the correct belt configuration from our fitment database. If the serial number is also unavailable, a photograph of the pump pulley showing the groove count and a measurement of the old belt routing path will help us narrow down the correct specification.

Q: Can I order a single sample to check fitment before placing a larger order? A: We ship single units as samples specifically for fitment confirmation. Install the sample on one machine, verify pulley engagement, tension range, and routing clearance, then confirm the rest of your fleet order. This step prevents committing to a bulk quantity of belts that may not suit every machine in a mixed-age fleet.