23B1500231 / 23B-15-00231 HOUSING ASSY KOMATSU

The 23B1500231 / 23B-15-00231 HOUSING ASSY KOMATSU is a transmission-side structural part used in the reverse clutch section of selected Komatsu grader drivetrains. Public parts references consistently identify this part number as HOUSING ASS’Y, REVERSE, which immediately tells buyers that it is not a generic casing or an external support ring. It belongs to the reverse clutch group inside the transmission, where precise alignment, rigid support, and correct seating of clutch-related components are essential for dependable machine operation.

That distinction matters because buyers who search 23B1500231, 23B-15-00231, or 23B-15-00231 HOUSING ASSY KOMATSU are usually not at the browsing stage. They are normally diagnosing a transmission rebuild, replacing a damaged reverse-clutch housing, or verifying a code-specific Komatsu grader part before ordering. The page therefore needs to do more than repeat the part number. It needs to confirm the function, clarify where the part sits, explain why it matters, and connect it to the right machine families. Public grader parts references and transmission lists support that reverse-clutch identity very clearly.

What this housing assembly does

In practical service terms, this housing assembly provides the rigid, machined foundation for reverse-clutch internals. A housing of this type is responsible for maintaining concentricity, holding the correct mounting pattern, preserving internal clearances, and supporting the clutch-area components that make reverse engagement possible. A transmission parts listing that includes 23B-15-00231 shows it together with reverse pistons, seal rings, plates, discs, springs, ring gears, pins, dowels, and related reverse-clutch items, which confirms that this is a central support component within that assembly rather than an isolated shell.

For a grader, that is a serious job. Reverse movement in a motor grader is not an occasional parking maneuver. It is part of normal work cycles during trimming, leveling, shoulder work, site preparation, and repeated direction changes on confined or technical jobs. When the reverse-clutch housing is worn, cracked, distorted, or dimensionally compromised, the damage can spread into related clutch parts and lead to rough engagement, internal wear, oil-control issues, or repeated rebuild costs. Replacing the correct housing is therefore not cosmetic maintenance. It is part of restoring transmission behavior and protecting the rest of the reverse-clutch system.

What the uploaded images show

From the uploaded product images, this part has the form expected from a heavy-duty transmission housing. The large central machined bore indicates that internal rotating or clutch-related parts must sit with tight concentric accuracy. The wide face with its dense bolt-circle pattern suggests secure clamping to a mating transmission section or cover. The thick wall sections and raised outer supports show that the casting is designed to resist load and retain dimensional stability instead of acting as a lightweight cover.

Visually, the part looks like a robust cast-and-machined housing with substantial wall thickness around the main bore and reinforced mounting sections around the outer edge. The internal seat appears finely machined, which is consistent with a component that has to carry clutch elements, maintain alignment, and support repeated stress cycles inside the reverse section of a grader transmission. The geometry shown in the photos strongly supports the catalog description of a reverse-clutch housing assembly.

Why this part matters in a Komatsu grader transmission

Transmission housings are often underestimated because they do not look as dynamic as shafts, gears, or pistons. In reality, this type of housing determines whether those moving parts operate in the correct relationship to each other. A reverse housing that is even slightly compromised can affect clutch pack alignment, friction-plate stability, internal sealing, and long-term wear behavior. That is one reason public parts systems continue to list 23B-15-00231 HOUSING ASS’Y, REVERSE as a specific service part instead of treating it like an unimportant casting.

For workshop buyers, the importance is simple. If the reverse-clutch section is being rebuilt, the housing should not be treated as automatically reusable. It needs inspection for bore wear, cracks, deformation, thread damage, face distortion, and evidence of secondary damage from failed clutch components. The parts lists that place this housing next to reverse pistons, seal rings, plates, discs, and springs make it clear that the entire group works as a coordinated system. A good rebuild depends on the housing being right.

Public identification and catalog position

The strongest confirmed public identification for this part number is that it is a reverse housing assembly. Multiple references surface the same wording for 23B-15-00231, and grader catalog excerpts connect it directly to reverse-clutch sections on Komatsu grader transmissions. Separate grader parts pages also list the same number among transmission parts for machines such as GD625, GD611, and GD661 families, which supports its use in grader driveline applications rather than in a random unrelated group.

Another useful point is that 23B-15-00231 is commonly shown near 23B-15-00230, and both are described as reverse housing assemblies. That suggests paired or closely related housings inside the same reverse-clutch area. Buyers who are deep into a rebuild will recognize this pattern: one housing often works with a companion housing, carrier, plate, or adjoining clutch part in the same section. That is why it is important to match the exact number from the removed part and not rely only on visual similarity.

Compatible Komatsu models

Public catalog references associate 23B-15-00231 HOUSING ASS’Y, REVERSE with the following Komatsu grader families:

• GD605A
• GD611A
• GD621A
• GD621R
• GD623A
• GD625A
• GD661A
• GD663A

At the same time, aftermarket seller pages also market 23B1500231 / 23B-15-00231 for GD655 applications. Because these public sources do not present one single universal serial-range statement, the safest approach is to confirm by machine model, serial number, and transmission arrangement before finalizing an order. That is especially important in grader transmissions, where sub-versions, serial breaks, and regional variations can affect fitment.

So, from a practical ecommerce standpoint, the best fitment message is this: the part is publicly tied to a broad GD-series grader family and especially to reverse-clutch transmission groupings, but exact compatibility should always be checked against the machine serial number and the old part number before dispatch.

Engineering interpretation based on the images

The images suggest that the 23B1500231 housing has been designed for strength first and weight second. The circular body distributes load around the bore, the upright sections reinforce the structure where bolt groups concentrate force, and the continuous machined seating surface points to a component that must hold clutch-related internals in exact position. That kind of design is common in heavy transmission housings where axial load, oil exposure, repeated thermal cycling, and vibration all act together.

The visible machining also suggests that the part is intended to provide controlled internal seating rather than rough support only. In other words, this is the sort of part that influences clutch alignment and service life in a very direct way. A grader may still move with a worn housing for a period of time, but long-term reliability usually drops because clearances and contact patterns are no longer being held as designed.

Technical details and estimated specifications

The following technical points are based on the public function of the part and the visible design features in the uploaded images. Where factory dimensions are not publicly available, I am treating them as informed engineering estimates rather than official Komatsu specifications.

Part identification

• Part number: 23B1500231
• Alternate format: 23B-15-00231
• Description in public references: HOUSING ASS’Y, REVERSE
• Main group: transmission / reverse clutch housing
• Machine type: Komatsu graders and grader-related transmission applications

Estimated construction

• Likely base material: heavy-duty cast ferrous housing body with machined functional surfaces
• Main functional feature: precision-machined central bore for reverse-clutch-related support
• External geometry: reinforced perimeter with multiple bolt positions and thick wall sections
• Surface condition in the photos: raw machined metallic finish on functional faces, industrial casting finish on non-critical outer areas

Estimated weight

I could not verify a reliable published public net-weight entry for 23B-15-00231 HOUSING ASSY KOMATSU. Based on the visible mass, wall thickness, bore size, and the general scale of grader reverse-clutch housings, a reasonable working estimate is 9.00 KG to 9.50 kg net. For quoting and freight planning, I would recommend using approximately 9.14 kg as a safe estimate until the packed weight is confirmed.

Why buyers replace this housing

A buyer usually comes to this part number for one of four reasons.

Reverse-clutch rebuild

The most common reason is a full reverse-clutch overhaul. When pistons, discs, plates, and seals are already being replaced, the housing becomes part of the inspection list because it determines the stability of the whole group. Public reverse-clutch parts lists show this housing inside exactly that context.

Damage after internal failure

If a reverse-clutch component fails and debris circulates or impacts the clutch area, the housing can suffer scoring, seat damage, thread issues, or dimensional stress. Reusing it without inspection can shorten the life of the rebuild.

Wear and distortion over time

Graders work under repeated shift cycles, load transfer, vibration, and heat. Over time, even a housing can lose ideal condition. Once alignment or face flatness is affected, new clutch parts may not perform as they should.

Preventive replacement during major service

On machines where downtime is expensive, workshops sometimes replace large structural transmission pieces proactively during a major overhaul rather than risking a second teardown later.

Installation and service notes

A part like this should be installed only after careful inspection of the complete mating assembly. The technician should verify:

• bore condition and cleanliness
• thread quality in all bolt positions
• face condition and flatness
• dowel and locating-point condition
• compatibility with the reverse pistons, plates, discs, and seal rings being installed
• condition of associated ring gears, springs, pins, and plugs in the same reverse group

It is also wise to confirm whether the machine uses a paired companion housing or related reverse-clutch components that should be replaced or measured at the same time. Since public references frequently show 23B-15-00230 beside 23B-15-00231 in the reverse section, buyers should check both numbers during teardown.

Ecommerce value of this product page

From an SEO and Search GPT perspective, this is a high-intent product. People searching 23B1500231, 23B-15-00231 HOUSING ASSY KOMATSU, or Komatsu reverse housing usually want confirmation, not general education. That means the most useful product page is one that confirms the exact part number, defines the reverse-clutch role clearly, names the grader families commonly associated with it, and sets realistic expectations about serial-number verification. Public references give enough support to make those points with confidence.

For your website, this also gives you a strong commercial angle. Instead of writing vague copy, you can present the part as a code-specific Komatsu grader transmission housing supplied by 3GEN Export as an OEM supplier, with global dispatch support and fast delivery expectations. That positioning fits the actual search intent of the buyer: they want the correct part, clear identification, and a quick route to shipment.

Final product summary

The 23B1500231 / 23B-15-00231 HOUSING ASSY KOMATSU is best understood as a reverse-clutch housing used in Komatsu grader transmission applications. Public catalogs identify it as HOUSING ASS’Y, REVERSE, and parts references place it in the reverse-clutch section alongside pistons, discs, plates, seal rings, springs, and ring gears. Public fitment references connect it with GD605A, GD611A, GD621A, GD621R, GD623A, GD625A, GD661A, and GD663A families, while aftermarket seller pages also advertise GD655 use, making serial-number confirmation especially important before ordering.

From the uploaded images, the part shows the heavy cast-and-machined structure expected from a transmission housing that must maintain concentricity, carry clamp load, and support long service life inside a reverse-clutch assembly. For a professional buyer, that means this is not just a housing by name. It is a stability component that helps determine the reliability of the reverse section during rebuilds and long-term operation.

As store copy, this part is best presented as an OEM-supplied grader transmission housing from 3GEN Export, available for worldwide delivery in 5 working days, with fitment confirmation available by model and serial number.

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.