Belt Drive Systems
In Stock V-Belt 178509 for Cummins N14 NH855 NT855
ISO Certified Quality Assured
2-5 Day Ship Fast Dispatch
3-12 Mo. Warranty
Belt Drive Systems 178509 Cummins N14 CX Profile

In Stock V-Belt 178509 for Cummins N14 NH855 NT855

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.

  • In stock at our Guangzhou warehouse for 2–5 working day dispatch, single-piece minimum to get your machine running fast
  • Send a photo or engine model if the nameplate is unreadable — our team confirms fitment within hours
  • Ships via express, air, or sea freight with upfront arrival timing and tracking

Ready-to-ship inventory means your emergency order leaves the same week you confirm.

Key Highlights

  • Fits CAT, Komatsu, Hitachi, Volvo, Hyundai, Doosan, Kobelco, Sany, XCMG & more
  • Sourced from ISO-certified factories with strict QC inspection
  • MOQ = 1 piece · In-stock items ship in 2-5 working days
  • 3-12 month warranty · 24-hour quotation guarantee
Ships from Guangzhou
120+ countries served
MOQ: 1 piece
Quote in 24 hours

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.

Technical Specifications

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

Application Suitability

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

When the Machine Is Down and the Belt Number Is Gone

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.

V-Belt 178509 replacement belt for Cummins engines ready for dispatch

How We Confirm Your Belt Before It Ships

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.

What Determines Your Arrival Window

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].

Why CX Profile Dimensions Matter in the Belt Drive

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.

CX profile V-belt cross-section showing 22 mm top width and polyester cord reinforcement

The Cost of Guessing the Wrong Belt

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.

Why Source This Belt Through XUNPO

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.

Documentation & Verification

  • Commercial invoice listing V-Belt 178509 with correct HS code for belt drive components
  • Compatibility sheet confirming fitment to N14, NH855, NT855, NH220, NH250, and NTA855 engines (reference only)
  • Dimensional inspection record verifying 22 mm top width and 1147 mm effective length before packing
  • Warranty documentation covering 3–12 months against manufacturing defects
  • Packing photographs showing belt condition and protective wrapping prior to dispatch

Stock, Shipping & Arrival

  • Current stock status for V-Belt 178509 confirmed at time of inquiry with estimated dispatch date
  • Express courier delivers single-piece emergency orders within approximately one week internationally
  • Protective coil wrapping prevents kinking during transit on this 1147 mm effective length belt
  • Real-time tracking provided once the package leaves Guangzhou warehouse
  • Arrival window quoted at order stage based on selected freight method and destination

Getting the Right Part to Your Door

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.

Frequently Asked Questions

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.

Compatible Brands & Models

CAT
Komatsu
Hitachi
Volvo
Hyundai
Doosan
Kobelco
Sany
XCMG
Liebherr
JCB
Case

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.

Shipping Information

  • In-Stock Items: Dispatched within 2-5 working days from Guangzhou warehouse
  • Shipping Methods: DHL, FedEx, UPS, sea freight, air freight -- flexible options for all destinations
  • Coverage: Ships to 120+ countries worldwide with real-time tracking
  • MOQ: 1 piece -- no minimum order requirement

Warranty & Quality

  • Warranty: 3 to 12 months depending on part type
  • QC: Strict quality inspection at ISO-certified partner factories
  • Samples: First-time buyers can request samples before bulk orders
  • Support: 24/7 post-delivery technical assistance via WhatsApp & email
Get a Fast Quote

Inquire About This Product

Fill in your details and we'll respond within 24 hours with a competitive quote.

Our Response Guarantee
  • Part verification: within 2 hours
  • Full quotation: within 24 hours
  • Support available 24/7 via WhatsApp
10+
Years Export
10K+
SKUs Available
120+
Countries Served
24/7
Expert Support