Belt Tensioner 87326910 J914086 for CASE Excavators and Loaders

Product Specifications

Compatible Models

Tired of Fan Belt Slippage and Sudden Engine Shutdown? Get the Right CASE belt tensioner 87326910 for Your 1088, CX210 or 1845C

Every unscheduled shutdown on a CASE 1088 dozer or CX210 excavator costs operators thousands in lost productivity per hour. Counterfeit tensioners fail within weeks — causing belt misalignment, overheating, and catastrophic fan failure. OEM parts take 3+ weeks to arrive, halting critical earthmoving or loading operations. And sourcing from multiple vendors for different CASE models wastes time and increases error risk.

OEM-Equivalent Quality, Ready to Ship

This CASE belt tensioner is engineered to match original factory performance — built by ISO-certified factories with 10+ years of XUNPO quality control. Each unit undergoes pre-shipment dynamic load testing at 120% rated torque to verify pivot integrity and spring force retention. Designed specifically for high-cycle engine compartments on CASE excavators and loaders, it maintains consistent belt deflection across temperature swings from -20°C to +110°C during continuous operation.

Where This Part Works

This tensioner operates under extreme conditions: on mining haul roads where CASE 1088s run 20+ hours daily, in port terminals where CX240LR loaders handle salt-laden cargo, and on demolition sites where 1845C loaders endure constant vibration and dust ingress. Its damping system absorbs shock loads from sudden engine speed changes, preventing premature belt fatigue and ensuring stable cooling airflow critical for Tier 4 Final emission systems.

Engineering Details That Matter

The forged steel housing resists deformation under repeated clamping loads — unlike cast-aluminum copies that crack after 500 operating hours. Precision-ground pivot surfaces maintain ≤0.02 mm radial runout, eliminating bearing chatter and extending service life beyond 4,000 hours. The calibrated torsion spring delivers 18–22 N·m holding torque across its full travel range, matching OEM specifications for CASE 4391T and RP135 engines. Surface-hardened contact points (HRC 58–62) resist wear from belt backside abrasion, while the integrated grease seal prevents contamination in dusty loader applications.

The Real Cost of Wrong Parts

A $35 counterfeit tensioner may save $20 upfront — but causes $2,800 in downtime per incident on a CASE 1188LC excavator, plus $420 in labor to replace a melted fan belt and $1,100 in coolant loss repairs. Our CASE loader belt tensioner reduces total cost of ownership (TCO) by delivering 3× longer service life than non-certified alternatives — validated against ISO 10100 and SAE J1995 standards. With 3–12 month warranty coverage, you eliminate hidden replacement risk and protect your maintenance budget.

Why Customers Trust XUNPO

Packaging & Shipping

• Individually boxed with rust-inhibiting VCI film, custom-molded EPE foam, and reinforced corrugated carton
• In-stock items ship within 2–5 working days
• Flexible logistics: DHL/FedEx/UPS express, air freight, or sea freight — all with real-time tracking
• Full shipment visibility from warehouse dispatch to final delivery
• MOQ: 1 piece — supports urgent field repairs and pilot testing

Get Your CASE belt tensioner Now

Your CASE 1088 or 1845C shouldn’t sit idle waiting for parts. Send us your machine model, quantity, and destination — we’ll email a competitive quote within 24 hours. First-time buyers can request a sample for bench testing before bulk order. With Guangzhou warehouse stock, your order ships fast and arrives ready for installation.

Frequently Asked Questions