Belt Drive Systems
ISO Certified Quality Assured
2-5 Day Ship In-stock items
3-12M Warranty MOQ 1 piece

Drive Belt Tensioner Pulley Assembly 6735884 for Bobcat T140–T590 Track Loaders

<p>Stop unexpected belt slippage and premature failure on your Bobcat compact track loader — this <strong>bobcat tensioner pulley</strong> delivers OEM-matched tension control and smooth, consistent drive belt engagement across all operating conditions.</p> <ul> <li>Fits T140, T180, T190, T550, and T590 models with exact OEM mounting geometry and spring-loaded pivot travel — no alignment guesswork</li> <li>Includes dual-sealed, pre-greased deep-groove ball bearings (6203-2RS) rated for high radial loads and extended service life under continuous vibration</li> <li>Replaces both 6735884 and 6711698 — eliminates cross-reference confusion and keeps your repair moving</li> <li>Ships from our Guangzhou warehouse in 2–5 working days, even for single-piece orders — no waiting weeks for critical downtime fixes</li> </ul>

MOQ

1 Piece

Lead Time

2-5 Business Days

Shipping

120+ Countries

Warranty

3-12 Months

Compatible Brands

CAT Komatsu Hitachi Volvo Hyundai Doosan Kobelco SANY XCMG

Product Specifications

ParameterDetails
Part NameDrive Belt Tensioner Pulley Assembly
Part Number (OEM Reference)6735884, 6711698
Brand CompatibilityBOBCAT
Machine Model FitmentT140, T180, T190, T550, T590 Compact Track Loaders
ConditionNew Aftermarket
Warranty6 months against manufacturing defects
PackagingOriginal sealed box with anti-rust coating and shock-absorbing foam

Compatible Models

BrandApplicable Models
BOBCATT140, T180, T190, T550, T590

Frustrated by Drive Belt Slippage or Premature Failure on Your Bobcat Compact Track Loader?

Every hour your Bobcat T140 or T590 sits idle due to tensioner pulley failure costs hundreds in lost productivity — especially on tight demolition or site prep schedules. OEM replacement parts often take 3 weeks to arrive, while low-cost alternatives wear out in under 300 operating hours. Misidentified tensioners cause belt misalignment, accelerated wear on idlers and drive motors, and unexpected downtime during critical shifts.

OEM-Equivalent Quality, In Stock and Ready to Ship

This drive belt tensioner assembly meets BOBCAT’s original torque and alignment specifications — manufactured in ISO 9001-certified facilities with strict incoming material inspection and pre-shipment performance testing. Built for high-cycle operation in compact track loaders, it maintains consistent belt tension across varying loads and temperatures. With 10 years of global export experience and 10,000+ SKUs in our Guangzhou warehouse, we supply verified replacements for Bobcat T-series machines daily — no guesswork, no delays.

Where This Part Works

This bobcat tensioner pulley is engineered for demanding applications: residential excavation, commercial site grading, utility trenching, and landscape preparation where compact track loaders operate at 70–90% throttle for extended periods. Under continuous vibration and frequent direction changes, the tensioner pulley absorbs dynamic load spikes and prevents belt flutter — critical for maintaining hydraulic fan speed, alternator output, and cooling efficiency. A failed or underspec tensioner directly impacts engine temperature control and electrical system stability — especially on T550/T590 models with integrated HVAC and monitoring systems.

Engineering Details That Matter

The pulley hub is precision-machined from heat-treated SAE 1045 steel, achieving 260–280 HB hardness for resistance to bearing seat deformation under radial load. Dual-lip nitrile rubber seals retain high-temperature grease and exclude dust and moisture — a key factor in preventing premature bearing seizure in dusty job sites. The mounting bracket uses 8.8-grade alloy steel fasteners with controlled torque yield characteristics, ensuring clamping force remains stable after thermal cycling. Dimensional tolerances are held to ±0.05 mm on shaft bore and ±0.1 mm on center-to-center mounting holes — guaranteeing drop-in fit without shimming or modification on all listed Bobcat models.

The Real Cost of Wrong Parts

A $45 counterfeit tensioner pulley may save $20 upfront — but causes belt slippage within 150 hours, leading to overheated alternators, inconsistent hydraulic fan speed, and repeated coolant boil-overs. Each unplanned service call adds $280–$450 in labor and travel. Worse, incorrect tension accelerates wear on the main drive belt and adjacent idler pulleys — increasing total repair cost by 2.3× over 1,000 hours. Our 6735884 tensioner pulley assembly delivers OEM-equivalent service life (1,800+ hours under standard operating conditions) and eliminates hidden TCO drivers like secondary part failures and production schedule penalties.

Why Customers Trust XUNPO

We partner exclusively with ISO 9001-certified factories and perform 100% pre-shipment functional testing on every drive belt tensioner assembly. All units carry a 6-month warranty covering manufacturing defects — no questions asked. With 10 years’ experience serving 120+ countries, our technical team verifies part compatibility using OEM service manuals and real machine teardown data. Every order benefits from Guangzhou warehouse stock, 2–5 working day dispatch, and 24/7 multilingual support via WhatsApp or email.

Packaging & Shipping

  • Individually packed in rigid cardboard box with molded EPS foam cradle and VCI anti-corrosion paper
  • In-stock items ship within 2–5 working days after payment confirmation
  • Flexible logistics: DHL/FedEx express (3–7 days), air freight (7–12 days), or sea freight (25–40 days)
  • Real-time tracking number provided upon dispatch
  • MOQ: 1 piece — designed for urgent field repairs and single-machine maintenance

Get Your Drive Belt Tensioner Assembly Now

Your Bobcat T140 or T590 shouldn’t wait weeks for a simple tensioner replacement. Send us your part number (6735884 or 6711698), exact model (e.g., T190 serial prefix), and required quantity — we’ll reply with a competitive quote within 24 hours. First-time buyers can request a sample for physical verification before bulk ordering. Every day your machine is down is revenue lost; act now to restore uptime.

Frequently Asked Questions

Q: Is this an original Bobcat factory part or an aftermarket replacement?

A: This is an OEM-equivalent aftermarket drive belt tensioner assembly, produced in ISO 9001-certified facilities to match Bobcat’s dimensional, material, and performance specifications.

Q: How do I confirm this fits my specific Bobcat machine?

A: Provide your machine’s full model (e.g., T550) and serial number prefix — our technical team will verify compatibility using official Bobcat service documentation and respond within 2 hours.

Q: What is the warranty period?

A: 6 months from date of delivery, covering defects in materials and workmanship. Claims require photo evidence and brief operational context.

Q: What is the minimum order quantity?

A: 1 piece — no exceptions. We support urgent repairs and small fleet operators with the same priority as large distributors.

Q: How soon can you ship after I place an order?

A: In-stock items ship within 2–5 working days. Express courier options (DHL/FedEx) are available for time-sensitive deliveries.

Q: Can I receive a sample before placing a bulk order?

A: Yes — first-time customers may request one sample unit for physical testing and fit verification prior to full order placement.

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

Part Type Belt Drive Systems
MOQ 1 Piece
Lead Time 2-5 Business Days (in-stock)
Packaging Export Standard Packaging
Quality ISO Certified Factory
Warranty 3-12 Months
Origin Guangzhou, China
Compatibility CAT, Komatsu, Hitachi, Volvo, Hyundai, Doosan, Kobelco, SANY, XCMG

Shipping Policy

  • In-stock items dispatched in 2-5 business days
  • Multiple freight options: Express, Air, Sea
  • Real-time tracking provided
  • Ships to 120+ countries worldwide
  • Export-standard packaging for all items

Warranty & Quality

  • 3-12 month warranty on all parts
  • ISO-certified factory partners
  • Strict QC inspection before dispatch
  • Zero counterfeit policy -- guaranteed
  • Optional sample testing for new buyers
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