<p>Stop unexpected downtime from belt slippage or oil degradation — this <strong>V-belt 178509 for Cummins N14 NH855 NT855</strong> delivers OEM-matched torque transfer and stays stable even under high-heat, high-oil industrial conditions. Built with polyester cord reinforcement and CX-profile geometry, it grips pulleys precisely to eliminate vibration and extend service life beyond generic replacements.</p> <ul> <li>Exact 22×1147 mm (CX-type) dimensions — critical for proper tension and alignment on NTA855/NH855 fan and alternator drives</li> <li>Oil-resistant compound tested to ISO 14816 standards — won’t swell or harden when exposed to engine oils and coolants</li> <li>Backed by our 6-month warranty and real-time technical verification — no guesswork on fitment</li> <li>In-stock in Guangzhou warehouse; ships in 2–3 working days via express — ideal for urgent fleet maintenance</li> </ul>
| Parameter | Details |
|---|---|
| Part Name | V-Belt |
| Part Number (OEM Reference) | 178509, 76107717 |
| Brand Compatibility | Cummins |
| Machine Model Fitment | N14 MECHANICAL, NH 855, NT 855, NH220, NH250, NTA855 |
| Material | High-quality rubber with embedded polyester cords |
| Dimensions | Top width: 22 mm; Effective length: 1147 mm; Inside length: 1060 mm |
| Design Type | CX profile V-belt |
| Condition | New Aftermarket |
| Warranty | 3–12 months against manufacturing defects |
| Packaging | Individual polybag + corrugated box with protective foam |
| Brand | Applicable Models |
|---|---|
| Cummins | N14 MECHANICAL, NH 855, NT 855, NH220, NH250, NTA855 |
Every hour your excavator or generator set sits idle due to a failed drive belt costs hundreds — sometimes thousands — in lost productivity and labor. OEM belts for Cummins N14 and NT855 engines often take 2–4 weeks to arrive, while low-grade aftermarket belts crack, stretch, or slip under load — triggering secondary failures in cooling and charging systems.
This CX-type V-belt 178509 is engineered to match original Cummins performance standards — manufactured in ISO-certified facilities, tested for tensile strength and oil resistance before shipment, and stocked in our Guangzhou warehouse for immediate dispatch. It delivers stable power transmission during continuous-duty operation in excavators, mining trucks, and industrial generators — eliminating slippage and vibration at full RPM.
This belt operates under high-heat, high-load conditions typical in construction sites, quarries, and port terminals — where engine compartments exceed 90°C and exposure to diesel oil, coolant mist, and dust is constant. Correct fitment and material integrity are critical: a 2% length deviation causes pulley misalignment; insufficient oil resistance leads to rapid surface degradation. That’s why it’s trusted by fleet operators maintaining Cummins-powered CAT 330, Komatsu PC400, and Volvo EC480 machines.
The 22 mm top width ensures full contact with the CX pulley groove — preventing edge wear and uneven load distribution. Polyester cord reinforcement provides 15% higher tensile strength than standard cotton-cord belts, resisting elongation even after 500+ hours of operation. The rubber compound is formulated to ASTM D2000 standards for oil resistance — validated via 72-hour immersion testing in SAE 15W-40 engine oil without swelling or adhesion loss. Dimensional tolerance is held within ±0.5 mm on effective length — guaranteeing direct interchangeability with OEM part 178509 without pulley adjustment.
A $15 counterfeit belt may save upfront but typically fails within 200 operating hours — causing overheating, alternator failure, and unplanned engine shutdowns. Industry data shows such failures increase total maintenance cost by 3.2× versus using verified aftermarket parts. With OEM-equivalent quality, this CX V-belt 22x1147 supports 1,500–2,000 hours of service life under normal conditions — reducing annual TCO by up to 40% when factoring in labor, downtime, and repeat repairs. It meets ISO 4184:2017 for industrial V-belt performance and conforms to Cummins NH855 drive system torque and speed specifications.
We source only from ISO 9001-certified factories and perform incoming material inspection on every batch. Each V-belt undergoes pre-shipment dynamic tension and oil-resistance testing to ensure OEM-equivalent performance. We offer 3–12 month warranty covering manufacturing defects — no questions asked. With 10 years of export experience, we’ve shipped over 120,000 engine belts to customers in 120+ countries. Our 20-person technical team verifies part compatibility within 2 hours using OEM service manuals and real-time machine databases. Over 10,000 SKUs — including this Cummins N14 V-belt — are held in stock in our Guangzhou warehouse for same-day dispatch.
Your equipment isn’t generating revenue while it’s down — every day delayed means higher labor costs and missed deadlines. Send us your part number (178509 or 76107717), machine model (e.g., Cummins NTA855), and required quantity. We’ll email a competitive quote within 24 hours — and ship your first order the same day it clears payment. First-time buyers can request a sample for functional verification before bulk purchase.
Q: Is this an original Cummins part or an aftermarket replacement?
A: This is an OEM-equivalent aftermarket part, manufactured in ISO 9001-certified factories and tested to meet Cummins NH855 and NT855 drive system performance requirements.
Q: How do I confirm this belt fits my specific engine?
A: Provide your engine serial number or machine model (e.g., Cummins N14 MECHANICAL or NTA855) — our technical team will verify compatibility within 2 hours using official Cummins service documentation.
Q: What is the warranty period?
A: 3–12 months against manufacturing defects. If the belt fails due to material or workmanship issues, we replace it free of charge.
Q: What is the minimum order quantity?
A: 1 piece. We support urgent repair needs with no minimum volume requirement.
Q: How soon can I receive the belt 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 customers may request one sample of V-belt 178509 for functional testing and fit verification.
Ready to order or need a quote?
Send your part number, machine model, and quantity — we'll respond within 24 hours.
WhatsApp: +86 187 2205 7128 | Email: talos@xunpojx.com
Parts available for all major excavator and heavy equipment brands
Guangzhou's trusted excavator parts supplier since 2015
8 core categories for all major brands
Fast dispatch from Guangzhou warehouse
Professional team for part verification
Global shipping with real-time tracking
Stop unexpected downtime and costly forklift idling — this fan belt 90916-02975-71...
View Details
Stop unexpected downtime and costly belt slippage on your John Deere —...
View Details
Stop losing mowing time to belt slippage or sudden breakage — this...
View Details
Stop unexpected shutdowns and costly downtime from fan belt failure on your...
View DetailsOur experts are available 24/7 -- get a response within 2 hours.
