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V-Belt 178509 for Cummins N14 NH855 NT855, CX Profile, 1147 mm Effective Length — replacement for OEM cross-reference 178509 and 76107717, built with heat- and oil-resistant rubber over polyester cords.
Ready-to-ship inventory means your emergency order leaves the same week you confirm.
Ready-to-Ship Stock — V-Belt 178509 sits in our Guangzhou warehouse today, so a single broken belt on your Cummins N14 doesn't turn into a multi-week wait.
| Parameter | Value |
|---|---|
| Part Number | 178509 |
| Product Type | V-Belt |
| Cross-Reference | 178509 (reference only), 76107717 (reference only) |
| Machine Fitment | N14 MECHANICAL, NH855, NT855, NH220, NH250, NTA855 |
| Design Type | CX profile V-belt |
| Top Width | 22 mm |
| Effective Length | 1147 mm |
| Inside Length | 1060 mm |
| Material | High-quality rubber with embedded polyester cords |
| Key Features | Heat resistant, oil resistant, wear resistant |
| Condition | New Aftermarket |
| Warranty | 3–12 month warranty against manufacturing defects |
| MOQ | 1 piece |
| Standards | ISO 9001 |
| Failure Symptom | Replacement Urgency |
|---|---|
| Squealing noise from belt drive area on startup | Immediate — belt is slipping and may snap |
| Visible cracking or glazing on belt surface | High — failure is imminent, schedule replacement within days |
| Belt snapped, engine accessories not driving | Critical — machine or genset is fully down |
| Overheating due to water pump not engaging | Immediate — running without coolant circulation risks engine seizure |
| Alternator or fan not spinning at rated speed | High — electrical or cooling system compromised |
A worn nameplate shouldn't decide how long your excavator or genset sits idle.
Field conditions destroy nameplates fast. Paint overspray, oil film, and abrasion make the original part number unreadable just when you need it most. Waiting days for someone to decode a blurry photo while the repair bay stays blocked is a common frustration we see regularly [NEED_CITE: equipment nameplate identification challenges in heavy-duty repair environments]. With a V-Belt 178509 in stock at our Guangzhou facility, the bottleneck shifts from part availability to how quickly you can send us a clear image or engine model.
Send us the part number, the engine model such as N14 MECHANICAL or NT855, or a photograph of the old belt and its surrounding pulleys. Our technical team cross-checks the CX profile dimensions — 22 mm top width and 1147 mm effective length — against your engine's belt drive layout. Compatibility for a V-Belt 178509 in stock is typically confirmed within hours, not days.
Once we confirm fitment, dispatch from Guangzhou warehouse usually happens within 2–5 working days. Express options through DHL, FedEx, or UPS reach most international destinations within a week. Air freight suits medium-volume orders, while sea freight handles bulk restocking. We quote the expected arrival window upfront so you can plan the repair bay schedule around a known delivery date [NEED_CITE: international freight transit time variables for aftermarket parts].
The CX profile designation defines the belt's cross-sectional geometry. A 22 mm top width seats correctly in the pulley grooves designed for this profile — too narrow and the belt rides too deep, losing grip; too wide and it sits too high, causing rapid sidewall wear. The 1147 mm effective length determines proper tension when the belt wraps around the crankshaft, water pump, and alternator pulleys. Heat-resistant rubber compound with embedded polyester cords maintains dimensional stability under the high ambient temperatures typical of engine compartments in construction and mining equipment.
Ordering a belt that looks similar but has a different effective length means the tensioner cannot take up the slack. The belt either flaps loosely and throws itself off the pulleys within minutes, or it overtensions and loads the water pump bearing prematurely. Either scenario puts the machine back to square one — disassembled, still broken, and now with a return shipment to arrange [NEED_CITE: consequences of incorrect belt tension on auxiliary drive component life]. Getting the right V-Belt 178509 in stock and verified against your engine model eliminates this cycle entirely.
Our Guangzhou warehouse maintains stock depth on high-failure consumables like drive belts, meaning a V-Belt 178509 in stock ships without production lead time. Single-piece ordering supports emergency repairs without forcing you to buy a full set. Identification works from a part number, an engine model like NH855 or NTA855, or a photograph of the worn component. Cross-reference verification covers superseded numbers such as 76107717 (reference only) so older machines are not left unsupported. Our technical team confirms fitment and dispatch details in a single exchange, keeping your procurement process to one conversation.
Provide the part number 178509, your Cummins engine model, or a clear photograph of the old belt alongside a ruler for scale. We confirm stock availability, dispatch timing, and freight options with an estimated arrival date in a single response. For multiple broken machines, include all engine models so we check belt drive compatibility across your fleet at once.
Q: Is V-Belt 178509 in stock right now and when can it ship? A: This belt is stocked in our Guangzhou warehouse for fast dispatch on common engine models including N14, NH855, and NT855. Typical dispatch occurs within 2–5 working days of order confirmation. Send us your engine model or part number so we can confirm real-time availability and provide an estimated departure date for your specific order.
Q: Can I order just one piece for an emergency repair? A: Yes. The minimum order is one piece, designed specifically for emergency breakdown situations where a single belt failure has stopped a machine. You do not need to purchase a full belt set or meet a volume threshold. This applies to all compatible engines in the N14, NH855, NT855, NH220, NH250, and NTA855 range.
Q: How do I confirm this belt fits if my nameplate is worn or painted over? A: Send us a photograph of the old belt, the pulley arrangement, or any legible markings on the engine block. Alternatively, provide the machine model or engine serial number. Our technical team cross-checks the CX profile dimensions and effective length against your specific engine build to confirm compatibility before the order is placed.
Q: What are the shipping options and how long to reach my location? A: Express couriers like DHL, FedEx, and UPS handle single-piece emergency shipments with fast international transit. Air freight suits larger orders, and sea freight covers bulk restocking. We provide estimated arrival windows at the quotation stage based on your destination and chosen method, with real-time tracking once the package departs Guangzhou.
Q: What happens if the belt arrives and doesn't match my engine? A: If fitment verification was completed before dispatch and the belt still does not match, contact us immediately with photographs of the received item alongside your engine components. We address discrepancies under our warranty terms covering manufacturing defects. Pre-order confirmation from a photograph or engine model significantly reduces the chance of a mismatch reaching your workshop.
Not sure if this part fits your machine? Send us your machine model number and serial number via WhatsApp or email -- our specialists will verify compatibility within 2 hours.
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