Belt Tensioner Kit for Bobcat 873 883 963 S130 S150 S205 S220 S250 S300 T140 T180 T190 T200 T250 T300 A220 A300

Product Specifications

Compatible Models

Tired of Belt Slippage and Fan Drive Failure on Your Bobcat Skid Steer?

Every unscheduled downtime on a Bobcat skid steer costs operators $1,200–$2,500 per day in lost productivity and labor. Counterfeit or worn-out tensioner kits cause belt slippage, overheating, and fan drive failure — leading to secondary damage in cooling and hydraulic systems. OEM replacements often take 18–25 days to arrive, halting critical jobs at construction sites and rental yards.

OEM-Equivalent Quality, Ready to Ship from Guangzhou Warehouse

This Bobcat belt tensioner kit is manufactured in ISO 9001-certified facilities and undergoes pre-shipment performance testing for proper spring torque, arm pivot resistance, and bearing preload — matching OEM specifications for S220, T190, A300, and other models. With 10 years’ experience supplying replacement parts to repair centers across North America and the Middle East, we ensure compatibility and reliability during high-load operation like demolition, grading, or material handling.

Where This Part Works

This tensioner kit maintains optimal belt tension under continuous vibration, dust exposure, and thermal cycling — common in quarry operations, port material handling, and urban demolition sites. It directly supports the fan drive system, preventing coolant temperature spikes that trigger engine derating or shutdown. Whether operating a T250 in desert heat or an S300 on a rainy excavation site, correct tensioner function ensures consistent airflow and long-term engine health — a key reason why Bobcat skid steer tensioner reliability matters more than ever.

Engineering Details That Matter

The idler pulley (6662997) uses precision-ground 608ZZ deep-groove ball bearings with double-lip nitrile seals — rated IP54 for dust and moisture resistance. The torsion spring (6700115) is cold-wound from ASTM A228 music wire, heat-treated to Rockwell C47–50 for fatigue life exceeding 500,000 cycles. Arm (6725212) is CNC-machined from 6061-T6 aluminum alloy with ±0.05 mm dimensional tolerance to guarantee OEM mounting alignment. All O-rings (6704820) meet SAE J200 Class B specification for nitrile elastomer compression set resistance at 120°C.

The Real Cost of Wrong Parts

A substandard tensioner kit may cost 20% less upfront but fails within 3–6 months — causing belt burn, fan clutch seizure, and overheating-related cylinder head gasket failure. Industry data shows such failures increase total repair cost by 3.2× compared to using certified aftermarket parts. With ISO 9001 traceability and OEM-equivalent material specs, this Bobcat S300 belt tensioner assembly with spring and arm delivers lower total cost of ownership (TCO), avoiding unplanned service calls, extended labor hours, and contractual delay penalties on infrastructure projects.

Why Customers Trust XUNPO

Packaging & Shipping

• Individually boxed with anti-static foam padding and reinforced corrugated carton
• In-stock items ship within 2–5 working days after payment confirmation
• Flexible logistics: DHL/FedEx/UPS express, air freight, or sea freight options available
• Real-time tracking number provided upon dispatch
• MOQ: 1 piece — ideal for urgent field repairs or small fleet maintenance

Get Your Bobcat Belt Tensioner Kit Now

Your Bobcat S220 or T190 won’t wait — neither should your parts order. Send us your exact model (e.g., “S220 SN: B0123456”) and required quantity, and we’ll deliver a competitive quote within 24 hours. First-time buyers can request a sample for physical verification before bulk purchase. Every day your machine sits idle costs revenue — act today.

Frequently Asked Questions