Conjunto de tensores de correa 7167165 7274780 7273503 para cargadora Bobcat S510 S570 S590 S595 S630 S650 S740 S770 S850 T550 T590 T595 T630 T740 T770 T870

Product Specifications

Compatible Models

Tired of Belt Slippage and Premature Failure? Get the Right Bobcat Belt Tensioner Assembly for Your S510–T870 Loader

Every hour your Bobcat loader sits idle due to a failed belt tensioner costs hundreds in lost productivity—and more if it triggers secondary damage to the drive system. OEM parts demand 3–4 weeks lead time and carry 40% price premiums. Counterfeit tensioners lack proper spring calibration and bushing tolerances, causing rapid pulley misalignment and belt wear. Fleet managers across North America and Southeast Asia report repeated downtime from mismatched or underspec’d replacements.

OEM-Equivalent Quality, Ready to Ship

This Bobcat belt tensioner assembly is manufactured in ISO 9001-certified facilities and undergoes full pre-shipment performance testing—including dynamic load simulation and spring force verification—to ensure OEM-equivalent function. Designed for continuous operation in loader drive systems, it maintains consistent belt engagement during high-torque digging cycles and frequent direction changes. With 10 years’ experience supplying Bobcat aftermarket components to repair centers and rental fleets, XUNPO delivers verified compatibility—not guesswork.

Where This Part Works

This Bobcat loader belt tensioner assembly operates under demanding conditions: construction sites with abrasive dust, quarry environments with constant vibration, port logistics hubs requiring 24/7 uptime, and demolition contractors relying on precise hydraulic response. It sustains radial loads up to 12 kN and accommodates thermal expansion between aluminum pulleys and steel rocker arms—critical for maintaining belt tension stability across ambient temperatures from −20°C to +60°C. A properly functioning Bobcat S510 tensioner prevents slippage-induced overheating and ensures optimal power transfer from engine to hydrostatic transmission.

Engineering Details That Matter

The pulley (7167165) is precision-machined from 6061-T6 aluminum with ±0.02 mm runout tolerance to eliminate belt edge wear. The rocker arm (7274780) uses normalized 45# carbon steel with Rockwell hardness HRC 38–42, resisting bending fatigue over 500,000 load cycles. Spring (7145358) is ASTM A228 music wire, preset and stress-relieved to deliver consistent 180–220 N tension across service life. Bushings (7196910 / 7201887) are PTFE-impregnated bronze sintered sleeves with 0.005 mm ID/OD concentricity—ensuring smooth oscillation without galling or binding. All fasteners meet ISO 898-1 Grade 8.8 specification for shear resistance under shock loading.

The Real Cost of Wrong Parts

A $45 counterfeit tensioner may save $20 upfront—but causes misaligned belt tracking within 80 operating hours, leading to $320 in replacement belts, $180 labor for re-tensioning, and $2,400+ in downtime for a midsize rental fleet. Poor spring rate control accelerates idler bearing failure, risking hydrostatic pump cavitation. OEM-spec dimensional accuracy and material certification (per ISO 6892-1 tensile testing and ISO 4287 surface roughness) are non-negotiable for total cost of ownership (TCO) control. This Bobcat loader tensioner with pulley bracket spring bushing meets all original engineering intent—not just appearance.

Why Customers Trust XUNPO

Packaging & Shipping

• Individually sealed in anti-static pouch with molded EPE foam insert inside reinforced export carton
• In-stock items ship within 2–5 working days after payment confirmation
• Flexible logistics: Express (DHL/FedEx/UPS), air freight, or sea freight — quoted per destination
• Real-time tracking number provided upon dispatch, updated until delivery
• MOQ is 1 piece — supports urgent field repairs and diagnostic validation

Get Your Parts Now

Your loader’s uptime depends on getting the right part—fast. Send us your machine model (e.g., Bobcat S570), quantity needed, and destination country. We’ll email a competitive quote within 24 hours. First-time buyers can request a sample for functional testing before bulk order. Every day delayed is revenue lost—act now to keep your fleet moving.

Frequently Asked Questions