Belt Tensioner Kit for Bobcat Skid Steers – Direct Replacement for S130–S300, T140–T300, A220–A300

Product Specifications

Compatible Models

Tired of Fan Drive Failure on Your Bobcat Skid Steer? Get the Right Belt Tensioner Kit for S130–S300, T140–T300, A220–A300

Every hour your Bobcat skid steer sits idle due to belt slippage or fan drive failure costs hundreds in lost productivity — especially on tight construction deadlines. Counterfeit tensioner kits fail within weeks, causing overheating, hydraulic pump damage, and unplanned downtime. OEM parts take 2–4 weeks to arrive and cost up to 45% more. And sourcing all 12 components across multiple suppliers wastes hours verifying fitment.

OEM-Equivalent Quality, Ready to Ship from Guangzhou Warehouse

This bobcat belt tensioner kit is manufactured in ISO 9001-certified factories and rigorously tested before shipment — matching OEM performance for fan drive alignment, belt tension retention, and thermal stability. Built for real-world use on excavation sites and demolition projects where consistent cooling is non-negotiable. With 10 years’ experience supplying Bobcat replacement parts globally, we stock over 10,000 SKUs — including full tensioner assemblies — so you get what’s needed, when it’s needed.

Where This Part Works

This bobcat skid steer tensioner operates under continuous high-heat, high-vibration conditions typical of quarry loading, asphalt milling, and urban demolition work. It maintains precise belt tension across temperature swings from -20°C to +95°C, preventing fan speed drop that leads to engine overheating. In port operations and rental fleets, reliability here directly impacts machine availability — making correct part selection critical for uptime-critical applications.

Engineering Details That Matter

The idler pulley (6662997) uses heat-treated 40Cr steel with HRC 52–56 surface hardness to resist groove wear from repeated belt contact. Thrust bearing (6655781) features double-row angular contact design and high-temperature grease (NLGI #2), ensuring stable axial load handling during rapid direction changes. O-ring (6704820) meets ASTM D2000 standards for nitrile rubber — resistant to oil, heat, and ozone degradation. Arm assembly (6725212) is CNC-machined from forged aluminum alloy (6061-T6), providing dimensional accuracy within ±0.05 mm for perfect OEM interchangeability.

The Real Cost of Wrong Parts

A $28 counterfeit tensioner kit may save $15 upfront — but causes belt misalignment within 120 operating hours, leading to premature fan clutch failure ($420), coolant system contamination ($180), and 1.5 days of labor to reassemble ($1,200+). Total hidden cost exceeds $1,800 per incident. Our bobcat s130 s300 tensioner kit meets ISO 9001 production controls and undergoes pre-shipment torsion spring fatigue testing (50,000 cycles at rated load). That’s why fleet operators in Texas, Poland, and South Africa choose XUNPO for total cost of ownership control — not just unit price.

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