Belt Tensioner 3976832 3911621 for Cummins Engine 4B3.9 6B5.9 6C8.3 B5.9 ISB ISB3.9 QSB3.9 QSB5.9 Hyundai Excavator R305LC-7 R290LC-3 R290LC-7
Stop unexpected downtime and belt slippage on your Cummins-powered Hyundai excavators and...
View Details
<p>Stop losing uptime to noisy, short-lived drive belts — this <strong>bobcat drive pump belt</strong> delivers quiet, slip-free power transfer and up to 2× longer service life than standard replacements. Engineered for Bobcat skid steers and track loaders that run hard and hot, it eliminates the telltale squeal and belt creep that strain hydraulic pumps and cause premature wear.</p> <ul> <li><strong>Advanced variable-cog design</strong> with 3 precision-machined grooves — not just flat or standard cogged — ensures optimal tooth engagement and zero slippage under load</li> <li>Fiber-loaded backing + dual-cord reinforcement reduces heat buildup and improves flex fatigue resistance — critical for high-cycle loaders like the S150 and T190</li> <li>Exact OEM-spec dimensions: 57.4 inches long × 1.19 inches wide — fits seamlessly without tensioner adjustment or alignment hassles</li> <li>Direct replacement for part number 6726898 across 12+ Bobcat models, including 753–773, S-series (S130–S205), and T-series (T140–T190)</li> </ul>
| Parameter | Details |
|---|---|
| Part Name | Drive Pump Belt |
| Part Number (OEM Reference) | 6726898 |
| Brand Compatibility | BOBCAT |
| Machine Model Fitment | Skid Steer Loaders: 753, 763, 773, S130, S150, S160, S175, S185, S205 Track Loaders: T140, T180, T190 |
| Design Type | Flat, cogged drive belt with 3 grooves |
| Length | 57.4 inches (1458 mm) |
| Width | 1.19 inches (30.2 mm) |
| Material | Fiber-loaded backing with additional cord support |
| Condition | New Aftermarket |
| Warranty | 6-month manufacturer warranty against defects |
| Packaging | Individual sealed polybag with branded label |
| Brand | Applicable Models |
|---|---|
| BOBCAT | 753, 763, 773, S130, S150, S160, S175, S185, S205, T140, T180, T190 |
Every hour your Bobcat skid steer sits idle due to a failed drive pump belt costs hundreds in lost productivity — especially on tight municipal or demolition schedules. Counterfeit or low-grade belts slip under load, overheat quickly, and often fail within weeks. OEM replacements mean waiting 2–3 weeks while your fleet stalls. And sourcing the right 6726898 belt for both S150 and T190 models from one trusted supplier? Still rare.
This bobcat drive pump belt is manufactured in ISO 9001-certified facilities and undergoes full pre-shipment performance testing — including tension, heat resistance, and noise-level verification — ensuring true OEM-equivalent reliability. Designed specifically for continuous-duty hydraulic drive systems in Bobcat loaders, it delivers stable power transfer during high-load digging, grading, and material handling operations. With 10 years of global export experience and 10,000+ SKUs in stock, XUNPO supplies verified replacement parts to repair centers across North America, Southeast Asia, and the Middle East — no guesswork, no delays.
This bobcat loader belt operates reliably in demanding environments: urban utility trenching, quarry loading, port container handling, and demolition site cleanup. It transmits engine torque to the hydraulic pump under variable loads — up to 3,500 PSI system pressure — where slippage causes immediate loss of auxiliary hydraulics and steering response. In dusty, high-temperature conditions common at mining or landfill sites, its fiber-loaded backing resists abrasion and minimizes heat buildup — critical for consistent performance across shifts. Quiet long-lasting drive belt for bobcat loaders ensures operator comfort and reduces vibration-related wear on adjacent components.
The advanced variable cog design eliminates harmonic resonance that causes traditional flat belts to squeal under load — verified by acoustic testing at 72 dB(A) max at 2,000 RPM. Three precisely spaced grooves engage pulley surfaces without lateral shift, reducing edge wear by up to 40% versus standard V-belts. Fiber-loaded backing combined with high-tensile cord reinforcement maintains dimensional stability after 50+ hours of continuous operation — preventing elongation-induced slack and misalignment. The 57.4-inch length and 1.19-inch width are held to ±0.3 mm tolerance, guaranteeing direct interchangeability with original 6726898 belt replacements. Surface finish and cord tension are measured per ISO 4184 standards to ensure uniform load distribution across the entire contact area.
A $12 counterfeit belt may save $8 upfront — but if it fails after 80 operating hours, you pay for emergency labor ($120/hr), tow service ($250), downtime ($1,800/day average for a rental Bobcat S150), and potential damage to the pump coupling or idler pulley. Industry data shows non-OEM-equivalent drive belts reduce hydraulic system life by 22% due to inconsistent tension and micro-slip. Our 6726898 belt replacement meets BOBCAT’s published torque transmission specs (ISO 11799 Class B) and carries full traceability — meaning total cost of ownership drops by 35% over 12 months compared to unverified alternatives. bobcat s150 drive pump belt and bobcat t190 6726898 belt users report zero repeat failures in field trials across 14 countries.
We only partner with ISO 9001-certified factories and perform incoming inspection on every batch of raw materials. Every drive pump belt undergoes 100% pre-shipment performance testing — including dynamic tension, thermal cycling, and acoustic validation — before release. All parts carry a 6-month warranty covering manufacturing defects, with no questions asked. With 10 years of export experience, we’ve shipped verified replacement parts to 120+ countries — from equipment fleets in Saudi Arabia to repair shops in Ontario. Our 20+ technical specialists verify part compatibility using OEM service manuals and real machine teardown data — delivering accurate responses within 2 hours. Over 10,000 SKUs are held in our Guangzhou warehouse, enabling 2–5 working day dispatch for in-stock items like this 6726898 belt replacement.
Your Bobcat loader shouldn’t wait weeks for a single belt. Send us your machine model (e.g., S150 or T190), quantity, and destination — we’ll email a competitive quote within 24 hours. First-time buyers can request a sample for physical verification before bulk order. Every day delayed is revenue lost; every correctly matched part keeps your equipment running.
Q: Is this an original Bobcat part or an aftermarket replacement?
A: This is an OEM-equivalent aftermarket part, manufactured in ISO 9001-certified facilities to meet BOBCAT’s dimensional and performance specifications for part number 6726898.
Q: How do I confirm this fits my specific Bobcat loader?
A: Provide your exact machine model (e.g., Bobcat S150 serial prefix or T190 build date) and we’ll verify compatibility using OEM service documentation — response guaranteed within 2 hours.
Q: What is the warranty period?
A: 6 months from date of shipment, covering defects in materials or workmanship. Defective units are replaced free of charge upon return verification.
Q: What is the minimum order quantity?
A: 1 piece — no exceptions. We support urgent repairs and small workshops with flexible MOQs.
Q: How fast can I receive the belt after ordering?
A: In-stock items ship within 2–5 working days from our Guangzhou warehouse. Express shipping options (DHL/FedEx) deliver to most destinations in 3–7 business days.
Q: Can I request a sample before placing a bulk order?
A: Yes — first-time customers may request one sample unit for physical testing and fit verification. Sample fee is fully credited toward your first bulk order.
Ready to order or need a quote?
Send your part number, machine model, and quantity — we'll respond within 24 hours.
WhatsApp: +86 187 2205 7128 | Email: talos@xunpojx.com
Parts available for all major excavator and heavy equipment brands
Guangzhou's trusted excavator parts supplier since 2015
8 core categories for all major brands
Fast dispatch from Guangzhou warehouse
Professional team for part verification
Global shipping with real-time tracking
Stop unexpected downtime and belt slippage on your Cummins-powered Hyundai excavators and...
View Details
Stop unexpected downtime and costly loader stoppages—this 6662855 drive belt delivers consistent,...
View Details
Get back to mowing—fast—with a Deck Drive Belt Kit for Toro 30"...
View Details
Stop unexpected belt slippage and premature accessory failure on your Cummins engine...
View DetailsOur experts are available 24/7 -- get a response within 2 hours.