23B1512280, 23B-15-12280 HUB KOMATSU

When buyers search for 23B1512280 or 23B-15-12280 HUB KOMATSU, they are usually looking for a transmission-related Komatsu grader part rather than a simple wheel or undercarriage hub. Public parts listings identify 23B-15-12280as a HUB, while other supplier listings describe it more specifically as a transmission hub and place it in transmission or gear-related categories. Public compatibility references also connect this part number with Komatsu grader families such as GD605A, GD611A, GD621A, GD621R, GD623A, GD625A, GD661A, and GD663A, with some listings giving more specific sub-model references like GD611A-1, GD621A-1, GD621R-1, GD623A-1, GD625A-1, GD625A-1C, and GD661A-1.

From the product images, 23B1512280, 23B-15-12280 HUB KOMATSU has the visual form of a precision-machined powertrain component. The outer circumference carries fine gear teeth, the center bore is internally splined, and the main body includes large circular relief openings and smaller fastening or locating holes. That geometry is exactly the kind of layout expected from a transmission hub that must transfer torque, maintain alignment, and interface with clutch or gear-set components inside a grader transmission. The images alone already show that this is not a decorative cover or passive spacer. It is a load-carrying machined part built for controlled mechanical engagement.

For an e-commerce product page, that distinction matters. Buyers are not just searching for a “hub.” They are searching for the exact transmission part that matches the machine, fits the splined shaft correctly, and works with the surrounding gear and clutch assembly. That is why a strong page for 23B-15-12280 HUB KOMATSU should use both part-number formats, explain the transmission function clearly, and connect the product with the grader model families publicly associated with it. Public parts pages also show that the searchable forms 23B1512280 and 23B 15 12280 are both used in the market, so including all common search formats is important for visibility.

Product Overview

23B1512280, 23B-15-12280 HUB KOMATSU is a Komatsu grader transmission hub used in transmission-related assemblies on multiple GD-series graders. One supplier page labels it directly as a transmission hub, while other public listings place it in transmission and torque parts or similar drivetrain-oriented categories. Those references are useful because they establish the commercial identity of the part beyond the simple word “hub.”

In practical maintenance terms, a hub like this serves as a central torque-transfer element. It is designed to mate with a splined shaft at the center, rotate with accuracy, and work with the surrounding clutch or gear components that determine how power is transferred through the grader transmission. Public catalog snippets that place 23B-15-12280 inside low and high clutch or related transmission pages reinforce that role. Other assembly references show it surrounded by parts such as gear ring, shaft, cage, ring snap, seal rings, piston high, piston low, plate, spring, and bearing, which is exactly the kind of neighborhood expected for an internal transmission hub.

That assembly context is what makes 23B1512280, 23B-15-12280 HUB KOMATSU important. In a grader transmission, precise fit is everything. The splines must engage correctly, the gear teeth must run smoothly with mating components, and the hub body must hold position under heavy, repeated load. Even a small fit problem in this kind of part can lead to uneven wear, vibration, clutch engagement issues, or avoidable downtime.

What 23B1512280, 23B-15-12280 HUB KOMATSU Does

The visual design of 23B1512280, 23B-15-12280 HUB KOMATSU suggests a part that performs two jobs at the same time. First, it provides a torque-transfer interface through its internal spline. Second, it acts as a toothed outer drive element through the fine external gear teeth around the perimeter. In other words, it is not only mounted to another rotating part, but is also built to transmit motion onward through the transmission system.

That is consistent with the public transmission references. One supplier explicitly markets the part as a transmission hub, while related Komatsu catalog pages tie the part number to transmission clutch pages. The surrounding component list on a transmission assembly page includes clutch pistons, ring gears, bearings, cage, shaft, and seals, which strongly supports the interpretation that 23B-15-12280 HUB KOMATSU operates inside a controlled clutch-and-gear environment rather than in an exposed wheel-end application.

For the machine owner, that means this part plays a direct role in transmission response, torque continuity, and mechanical reliability. When a hub in this area becomes worn, the symptoms may show up as poor power transfer, abnormal internal wear, noise, or inconsistent operation under load. Because the component is splined and toothed, wear can affect both the shaft connection and the gear engagement surface. That is why serious grader maintenance teams do not treat 23B1512280 as a generic part. They source it by exact code, exact application, and exact transmission context.

Visual and Engineering Characteristics

The uploaded images reveal several important technical characteristics of 23B1512280, 23B-15-12280 HUB KOMATSU.

The first is the outer ring of evenly machined teeth. These teeth appear fine-pitch and continuous, which suggests the part is intended for smooth, controlled engagement rather than coarse open-drive work. A hub with this form is usually made for precise rotational contact inside a gearbox or clutch assembly.

The second is the internal splined bore. This is one of the clearest indicators that the part must lock rotationally onto a matching shaft. A plain bore would only locate the part. A splined bore shows that the part is designed to transfer torque directly.

The third is the stepped central land and machined faces. These surfaces help the part seat correctly, maintain concentricity, and align with nearby transmission elements. On a grader transmission part, that is critical because poor alignment can increase side loading, accelerate tooth wear, and shorten service life.

The fourth is the large circular relief holes in the disc section. These holes may reduce unnecessary mass, help oil circulation, or balance the component layout without sacrificing structural strength. Their placement shows that the part is engineered, not simply cut into a rough hub shape.

Taken together, the visible features of 23B-15-12280 HUB KOMATSU support the commercial descriptions found online. This is a serious drivetrain part with a transmission function, not a general-purpose hub.

Technical Details and Specifications

Public listings consistently identify the part number as 23B-15-12280 and the part name as HUB. One detailed supplier page also uses the search form 23B1512280 and the spaced form 23B 15 12280, which is useful for SEO because industrial buyers often search using all three styles. The same supplier explicitly describes the item as a transmission hub.

A public supplier listing shows the weight of 23B-15-12280 HUB KOMATSU as 4.8 KG. Since I found that weight on a supplier page rather than on an official Komatsu catalog page, the safest wording is that 4.8 kg is a publicly listed reference weight and should be confirmed against your own stock or packing workflow before dispatch. Still, it is a useful practical figure for freight quoting and warehouse planning.

The strongest publicly visible assembly clues come from transmission catalog pages and related assembly references. Search results show 23B-15-12280 appearing in LOW AND HIGH CLUTCH and related transmission pages for grader applications, while an assembly listing places it alongside 23B-15-12350 CAGE, 23B-15-12560 SHAFT, 23B-15-12660 GEAR,RING, 23B-15-12740 PISTON,HIGH, 23B-15-12750 PISTON,LOW, bearings, ring snaps, and seal rings. That combination makes it clear that 23B1512280, 23B-15-12280 HUB KOMATSU belongs to an internal powertrain assembly where alignment, spline accuracy, and tooth integrity matter.

KOMATSU Models Commonly Listed for 23B1512280, 23B-15-12280 HUB KOMATSU

Public references connect 23B1512280, 23B-15-12280 HUB KOMATSU with a broad range of Komatsu graders.

One supplier page lists these direct machine references: GD611A-1, GD621A-1, GD621R-1, GD623A-1, GD625A-1, GD625A-1C, and GD661A-1.

Another public listing expands the model family and shows the part associated with GD605A, GD611A, GD621A, GD621R, GD623A, GD625A, GD661A, and GD663A.

Related catalog snippets also show transmission pages tied to GD605A-5 S/N 1001-UP, GD605A-5S S/N 4001-UP, GD611A-1 S/N 10001-UP, GD621A-1 S/N 10001-UP, GD621R-1 S/N 10001-UP, GD623A-1 S/N 30001-UP, GD625A-1 S/N 50001-UP, GD625A-1 S/N 60001-UP for North America, and GD661A-1 S/N 10001-UP, with the exact part number referenced within the same transmission page family. A related parts-book snippet also points to GD663A-2 S/N 1001-UP through the same transmission-related grouping.

Fitment Note

Because Komatsu grader parts often change by serial break, the safest commercial wording is this: 23B1512280, 23B-15-12280 HUB KOMATSU is commonly listed for GD605A, GD611A, GD621A, GD621R, GD623A, GD625A, GD661A, and GD663A grader families, but final fitment should always be verified by machine model and serial number before order confirmation. The public references clearly show serial-based transmission pages, so serial verification is not just a formality.

Why This Part Matters in Real Maintenance

A transmission hub is one of those components that can look simple at first glance and still be essential to the whole assembly. In the case of 23B1512280, 23B-15-12280 HUB KOMATSU, the part combines spline engagement, rotational stability, and toothed outer geometry in one machined body. That means it influences how force is transferred into and through the transmission assembly.

If the spline profile wears, the fit on the shaft can become unstable. If the outer teeth wear, the mesh quality drops. If the body faces are damaged or no longer true, the hub may not sit correctly within the clutch pack or supporting assembly. In a grader that already works under vibration, heat, and long duty cycles, those small issues can turn into expensive downtime. That is why maintenance professionals usually prefer replacing a worn hub with the exact part number rather than experimenting with a near-match.

The related public assembly references strengthen that maintenance view. A part that sits among clutch pistons, bearings, ring gears, cage, shaft, and seals is not incidental. It is part of the core transmission structure.

Why 23B1512280 and 23B-15-12280 Should Both Appear on Your Product Page

Industrial search behavior is inconsistent. Some buyers type the part with hyphens, some remove them, and others add spaces. Public listings for this hub already use multiple search variants, including 23B-15-12280, 23B1512280, and 23B 15 12280. That makes it smart SEO practice to include all common forms naturally throughout the page title, headings, body text, meta data, and image alt text.

For Google and Search GPT visibility, this helps the page catch exact-match industrial intent. A buyer searching 23B1512280 is usually very close to purchase. They are not browsing broad categories. They are looking for a precise part with a precise application. That is where an optimized product page has real commercial value.

Why Buy from 3GEN Export

At 3GEN Export, we supply 23B1512280, 23B-15-12280 HUB KOMATSU as an OEM supplier focused on heavy machinery spare parts for serious buyers worldwide. Our role is not just to offer a part number on a page. Our role is to help buyers source the correct transmission part for the correct grader application, with clear export support and fast response.

For workshops, dealers, fleet owners, and international traders, that matters because transmission parts are not items you want to order twice. Correct matching saves time, avoids installation delays, and reduces downtime risk. That is why 23B-15-12280 HUB KOMATSU should always be ordered with model and serial confirmation in mind.

3GEN Export supports global buyers with worldwide delivery in 5 working days, practical export handling, and a product approach built around OEM supply quality. When your machine needs a transmission hub that must fit correctly and arrive quickly, that combination matters.

Final Summary

23B1512280, 23B-15-12280 HUB KOMATSU is a transmission-oriented Komatsu grader hub with an internally splined center, externally toothed perimeter, and machined body designed for torque transfer and controlled fit inside a transmission clutch assembly. Public market references describe it as a hub or transmission hub, place it in transmission-related categories, and connect it with multiple Komatsu grader platforms including GD605A, GD611A, GD621A, GD621R, GD623A, GD625A, GD661A, and GD663A families. Public assembly references also place the part within clutch-and-gear component groups alongside pistons, ring gears, bearings, shaft, cage, and seals, which supports its transmission function. A public supplier listing shows a reference weight of 4.8 KG.

For a product page, the strongest strategy is to use both 23B1512280 and 23B-15-12280 HUB KOMATSU, describe the transmission role clearly, mention the grader compatibility families, note that final fitment must be checked by serial number, and present 3GEN Export as the OEM supplier with worldwide delivery in 5 working days.

Weight

Reference weight: 4.8 KG.

Manufactured in Turkey, these products are made using the latest technologies and built to meet the highest international standards. Each machine is a high-quality copy of the original, ensuring durability, precision, and performance that you can rely on for modern construction and metalworking projects.