<p>Stop unexpected fan belt slippage and premature engine wear on your CASE machines — this genuine-spec <strong>CASE belt tensioner</strong> delivers consistent, factory-grade tension across high-hour cycles. Built to match OEM spring rate and pivot geometry, it eliminates the guesswork and downtime caused by inconsistent aftermarket units.</p> <ul> <li>Fits critical models like CX210, 1088, 1845C, and 621B — plus all major CASE dozers, loaders, excavators, and IH tractors listed</li> <li>Direct replacement for part numbers 87326910 and J914086 — verified against CASE service bulletins for RP110, 4391T, and 6590TA engines</li> <li>Features hardened pivot bushings and calibrated torsion spring (not generic coil springs) — a detail that prevents premature pivot wear in dusty, high-vibration applications</li> <li>Ships same-day from our Guangzhou warehouse — no waiting weeks for OEM backorders or risking counterfeit imports</li> </ul>
| Parameter | Details |
|---|---|
| Part Name | Belt Tensioner |
| Part Number (OEM Reference) | 87326910, J914086 |
| Brand Compatibility | CASE |
| Machine Model Fitment | See full compatible models table below |
| Engine Compatibility | CASE 4390, 4391, 6590, 4390T, 4391T, 4391TA, 6590T, 6590TA, 6830T, 6830TA, RP110, RP135, RP165, RP65, RP85, RPZ125, RPZ145, RPZ65, RPZ85 |
| Condition | New Aftermarket |
| Warranty | 6-month standard warranty against manufacturing defects |
| Packaging | Individual corrugated box with foam cushioning |
| Brand | Applicable Models |
|---|---|
| CASE Dozer | 1550, 1085B, 1088CK, 1088CL, 1088CS, 1088MAXI, 1088P, 1088P4A, 1150E, 1150G, 1155E, 1650K, 1850K, 1850K LGP, 1850K LT, 650K, 750K, 850K, 850E, 850G, 855E |
| CASE Excavator | 588, 688, 888, 1088, 1085C, 1086B, 1088CK, 1088CL, 1088CS, 1088MAXI, 1088P, 1088P4A, 1187C, 1188CK, 1188LC, 1188P, 1188P4A, 1188PM, 1288CK, 1288LC, 1288NLC, 488CLS, 488P, 688BCK, 688B-P, 688B-PSU, 688C, 788CK, 788P, 788PSU, 888B, 888BCK, 888BCKE, 888CK, 888CKE, 988CK, 988CKE, 988P, CX130, CX160, CX210, CX210LR, CX240, CX240LR |
| CASE Loader | 1840, 1845C, 40XT, 480E, 480E LL, 480F, 480F LL, 521D, 570LXT, 570MXT, 580K, 580L, 580LE, 580LSP, 580LXT, 580M, 580SK, 580SL, 580SLE, 580SM, 60XT, 621B, 621C, 680L, 70XT, 721B, 721C, 75XT, 780D, 821B, 821C, 85XT, 90XT, 95XT, W11B, W14B, W14C |
| CASE IH Tractor | 1550, 1896, 2096, 7210, 7220, 7230, 7240, 7250, 8820, 8825, 8830, 8840, 8860, 8870, 8880, 8910, 8920, 8930, 8940, 8950, 1150E, 1150G, 1150H, 1150H_IND, 1155E, 450C, 455C, 550G, 550H, 550H-IND, 650G, 650H, 750H, 850D, 850E, 850G, 850H, 855D, 855E, 8825HP, 8860HP, 8880HP, MX100, MX110, MX120, MX135, MX150, MX170, MX180, MX200, MX220 |
| CASE Forklift | 584E, 585E, 585G, 586E, 586G, 588G |
| CASE IH Combine | 1620, 1640, 1660, 1680, 2344, 2366, 2388 |
| CASE IH Cotton Picker | 1822, 1844, 2555, 420, CPX420 |
| CASE IH Sprayer | 3150, 3185, 3210, SPX3185, SPX3200, SPX3200B, SPX3310, SPX4260 |
| CASE Motor Grader | 845 |
| CASE Telehandler | 686G, 686GXR, 688G |
| CASE IH Trencher | 660, 860, 960 |
| CASE Horizontal Drill | 6030 |
Every unplanned stoppage on a CASE excavator or loader costs operators thousands in lost productivity — especially when caused by belt tension failure. We’ve seen repeated failures from counterfeit tensioners that lose preload within 200 hours, leading to fan misalignment, overheating, and cascading engine damage. OEM parts often require 3-week lead times and carry 40% price premiums — delaying critical repairs during peak season.
This CASE belt tensioner is manufactured in ISO 9001-certified facilities and undergoes full pre-shipment performance testing: dynamic load cycling, spring force verification at 120°C, and dimensional validation against CASE engineering drawings. Designed for high-duty cycles on excavators like the CX210 and loaders like the 1845C, it maintains consistent belt deflection under continuous operation — preventing slippage during hydraulic boom lifts or loader bucket loading.
This belt tensioner operates under demanding conditions across construction sites, quarries, ports, and agricultural operations. On CASE 1088 dozers working 16-hour shifts in desert heat, it sustains stable tension despite ambient temperatures exceeding 45°C and vibration levels up to 8.2 g RMS. In port logistics applications with CX210 excavators handling salt-laden containers, corrosion resistance and precise pivot geometry ensure uninterrupted cooling system function — making it essential for CASE excavator tensioner reliability.
The housing is precision-cast from ASTM A48 Class 35 gray iron, offering superior damping over aluminum alternatives and resisting micro-fracture under cyclic torsional loads. The internal spring is made from ASTM A228 music wire, heat-treated to Rc 48–52 and tested for 500,000 compression cycles without yield loss. Pivot pin tolerances are held to ±0.015 mm to prevent eccentric wear and premature bushing failure. Surface finish on all sliding interfaces meets Ra ≤ 0.8 µm per ISO 4287, minimizing friction-induced heat buildup. All fasteners meet SAE Grade 8 specifications with zinc-nickel plating (ASTM B633, SC4) for 720-hour salt-spray resistance.
A $42 counterfeit tensioner may save $18 upfront but typically fails before 300 operating hours — triggering fan belt replacement, coolant flush, and labor charges averaging $320. Worse, undetected tension loss causes engine overheating, risking $2,800+ cylinder head warping repairs. Our 87326910 belt tensioner for CASE 1088 delivers verified 2,500+ hour service life per ISO 15643-2 test protocols. When factoring downtime, labor, and secondary damage, the total cost of ownership (TCO) favors our part by 3.7× over low-cost alternatives — especially for CASE loader belt tensioner applications requiring daily reliability.
We source only from ISO 9001-certified factories and perform incoming material inspection on every batch. Every unit undergoes 100% functional testing: spring force verification, pivot rotation torque measurement, and visual alignment check under calibrated lighting. We provide 6-month warranty covering manufacturing defects with no questions asked. With 10 years exporting to 120+ countries — including repeat orders from fleet managers in Saudi Arabia, Brazil, and Australia — our track record is documented, not claimed. Our 20+ technical staff include former CASE field engineers who verify fitment within 2 hours. And with 10,000+ SKUs stocked in our Guangzhou warehouse, this CASE belt tensioner ships in 2–5 working days.
Your CASE CX210 won’t wait — and neither should your repair. Send us your machine model, current part number (e.g., J914086 or 87326910), and required quantity. You’ll receive a competitive quote within 24 hours. First-time buyers can request a sample for physical verification before bulk ordering. Every day your equipment sits idle costs revenue — act now to restore uptime.
Q: Is this an original CASE part or an aftermarket replacement?
A: This is an OEM-equivalent aftermarket part, produced in ISO 9001-certified factories to match CASE’s dimensional, material, and performance specifications.
Q: How do I confirm this fits my specific CASE machine?
A: Provide your exact machine model (e.g., CASE CX210 or 1088P4A) and current part number — our technical team will verify compatibility and respond within 2 hours.
Q: What is your warranty policy?
A: We offer a 6-month warranty against manufacturing defects. If failure occurs due to material or workmanship issues, we replace the part at no cost.
Q: What is the minimum order quantity?
A: MOQ is 1 piece — designed for urgent maintenance needs and small repair shops.
Q: How soon can I receive the part after ordering?
A: In-stock items ship within 2–5 working days. Express shipping options (DHL/FedEx) deliver to most destinations in 3–7 business days.
Q: Can I receive a sample before placing a bulk order?
A: Yes — first-time clients may request one sample unit for physical testing and fitment verification.
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WhatsApp: +86 187 2205 7128 | Email: talos@xunpojx.com
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