Product Specifications
| Parameter | Details |
| Part Name | Fan Belt |
| Part Number (OEM Reference) | J911559, J911559-A, J911559A, 90500580, 73162121, J902309, J903099, J911570 |
| Brand Compatibility | CASE, New Holland |
| Machine Model Fitment | See full list under "Compatible Models" |
| Material | High-tensile synthetic rubber with polyester cord reinforcement |
| Condition | New Aftermarket |
| Warranty | 6-month warranty against manufacturing defects |
| Packaging | Individual polybag with printed part number and brand logo |
Compatible Models
| Brand | Applicable Models |
| CASE | Loader: 1840, 1845C, 40XT, 480E, 480E LL, 480F, 480F LL, 580K, 580SK, 590, 60XT, 621, 680K, 680L, 70XT, 750K, 75XT, 780C, 780D, 85XT, 90XT, 95XT, 580E, 580SE Tractor: 1150E, 1150G, 1150H, 1150H_IND, 1155E, 650, 650G, 750H, 850D, 850E, 850G, 850H, 850K, 855D, 855E, 1896, 2096 Drilling: 6030 Forklift: 584E, 585E, 586E Sprayer: 3185, SPX3150, SPX3185, SPX3200B Motor Grader: 845 |
| New Holland | Motor Grader: RG140 |
Tired of Fan Belt Failures on Your CASE 1840 or 1150E? Get the Right J911559 Belt for Reliable Cooling Performance
Every unscheduled downtime on a CASE loader or tractor costs hundreds to thousands in lost productivity — especially during peak construction or harvest seasons. Counterfeit fan belts stretch, slip, or snap under load, causing engine overheating and potential cylinder head damage. OEM parts often take 3–4 weeks to arrive, halting operations entirely. And sourcing correct belts across multiple CASE models — from 40XT to 2096 — remains frustratingly fragmented.
OEM-Equivalent Quality, Ready to Ship
This J911559 replacement fan belt is manufactured in ISO 9001-certified facilities, rigorously tested for tensile strength, heat resistance, and dimensional accuracy before shipment. Designed specifically for CASE loaders and tractors, it delivers consistent cooling performance during continuous operation — whether your 70XT is grading roads or your 1150E is hauling in mining conditions. With 10 years’ experience supplying 10,000+ SKUs to 120+ countries, we ensure every belt meets original equipment performance standards — no guesswork, no delays.
Where This Part Works
This fan belt operates under high thermal and mechanical stress in demanding environments: road construction sites where ambient temperatures exceed 45°C, quarry operations with heavy-duty cyclic loading, port logistics handling continuous shifts, and agricultural harvesting during summer peaks. In these applications, consistent airflow is critical — failure leads directly to coolant temperature spikes above 105°C, triggering derating or shutdown. The J911559 belt maintains stable tension and grip across wide temperature ranges, making it essential for CASE loader fan belt and CASE tractor fan belt reliability.
Engineering Details That Matter
The belt uses high-tensile synthetic rubber compound rated for continuous service up to 120°C, preventing premature cracking seen in low-grade EPDM alternatives. Polyester cord reinforcement provides superior resistance to elongation under torque load — critical for CASE 1840 fan belt applications where pulley ratios demand stable pitch-line velocity. Dimensional tolerances are held within ±0.3 mm across length and width, ensuring exact fit without manual adjustment or misalignment-induced wear. Surface texture is engineered for optimal friction coefficient against cast-iron and aluminum pulleys, eliminating slippage even when damp or dusty — a common issue in demolition and earthmoving operations.
The Real Cost of Wrong Parts
A $15 counterfeit belt may save upfront but often fails within 200 operating hours — triggering engine overheating, coolant loss, and potential head gasket failure requiring $2,500+ in labor and parts. Industry data shows non-OEM-equivalent belts increase unplanned maintenance frequency by 3.2× versus certified replacements. Total cost of ownership (TCO) includes not just unit price, but downtime penalties, emergency freight surcharges, and technician overtime. This J911559 replacement fan belt for CASE 40XT 70XT meets ISO 16848 and SAE J2432 standards — delivering predictable 2,500+ hour service life and eliminating hidden TCO drivers. J911559 high-strength fan belt for CASE 1150E 850G ensures sustained performance without compromise.
Why Customers Trust XUNPO
We partner exclusively with ISO 9001-certified factories and perform incoming material inspection on every batch. Every J911559 belt undergoes 100% pre-shipment performance testing — including tensile strength verification, dimensional check, and visual defect screening. All units carry a 6-month warranty covering manufacturing defects with full replacement. Our 10-year export track record spans 120+ countries, backed by 20+ in-house technical specialists — all trained on CASE, CAT, Komatsu, and Volvo systems. You’ll receive accurate part confirmation within 2 hours of inquiry. And with 10,000+ SKUs held in our Guangzhou warehouse, this CASE fan belt ships in 2–5 working days — no backorders, no delays.
Packaging & Shipping
- Each belt sealed in branded polybag with printed J911559 part number and CASE compatibility label
- In-stock items ship within 2–5 working days after order confirmation
- Flexible logistics: DHL/FedEx/UPS express (3–7 days), air freight (7–12 days), or sea freight (25–40 days)
- Real-time tracking number provided upon dispatch
- Minimum order quantity: 1 piece — supports urgent field repairs
Get Your J911559 Fan Belt Now
Your CASE equipment shouldn’t wait. Send us your machine model (e.g., CASE 70XT or 1150E), required quantity, and destination — we’ll reply with a competitive quote within 24 hours. First-time buyers can request a sample for testing before bulk order. With stock ready in Guangzhou, your J911559 belt ships fast — because every hour your loader or tractor sits idle costs money.
Frequently Asked Questions
Q: Is this an original CASE part or an aftermarket replacement?
A: This is an OEM-equivalent aftermarket fan belt, produced in ISO 9001-certified factories to meet or exceed CASE J911559 specifications.
Q: How do I confirm if this J911559 belt fits my specific CASE machine?
A: Send us your exact model (e.g., CASE 480F or 850G) and serial prefix — our technical team verifies compatibility and replies within 2 hours.
Q: What is the warranty period for this fan belt?
A: We provide a 6-month warranty covering manufacturing defects. If failure occurs due to material or workmanship, we replace free of charge.
Q: What is the minimum order quantity?
A: MOQ is 1 piece — designed for urgent maintenance needs and small repair shops.
Q: How long does shipping take?
A: In-stock items ship within 2–5 working days from Guangzhou. Express options (DHL/FedEx) deliver in 3–7 days depending on destination.
Q: Can I receive a sample before placing a bulk order?
A: Yes — first-time customers may request one sample of the J911559 belt for physical verification and fit testing.
Ready to order or need a quote?
Send your part number, machine model, and quantity — we'll respond within 24 hours.
WhatsApp: +86 13316055942 | Email: talos@xunpojx.com