23A2711250 / 23A-27-11250 PIN KOMATSU – Heavy Duty King Pin for Graders & Front Axles
Upgrade or replace the pivot / king pin in heavy construction machinery with the 23A2711250 / 23A-27-11250 PIN KOMATSU , precision manufactured for demanding conditions and engineered to match OEM performance standards. Supplied by 3GEN Export as a premium OEM replacement part, shipped worldwide within 5 working days.
H2: Product Overview & Why It Matters
A king pin (or pivot pin) like the 23A-27-11250 PIN KOMATSU is a vital component in the front axle or steering structure of large graders or heavy road construction machines. It serves as a rotating / pivot axis allowing parts of the axle or steering knuckles to move relative to each other, bearing vertical, horizontal and lateral loads.
This pin is machined with high precision so that it fits through bearing sleeves, bushings or pivot housings with minimal play. A properly manufactured pin will reduce wear in associated components (bushings, knuckle arms, axle housings) and maintain alignment over heavy usage and load cycles.
3GEN Export offers this pin as a high-quality replacement alternative (OEM level), so customers can rely on durable, accurate parts even when original components are not available or orders need fast turnaround.
H2: Compatible Komatsu Models & Applications
According to published Komatsu parts catalogs and aftermarket suppliers:
This part number 23A-27-11250 / 23A2711250 is used in front axle assemblies or steering axle parts (“Front Axle (2/3)”) of many Komatsu motor graders or heavy grader / axle machines.
Some of the compatible models include:
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Komatsu GD510R‑1 with serial number ≥ 15001 (front axle application).
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Komatsu GD511A‑1 (front axle 2/3).
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Komatsu GD521A‑1 (front axle 2/3).
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Komatsu GD521A‑1E (emission version, front axle 2/3).
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Komatsu GD523A‑1 (front axle 2/3).
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Komatsu GD525A‑1 (front axle 2/3).
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Komatsu GD555‑3A (front axle housing).
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Komatsu GD555‑3C (front axle housing).
If you provide the grader’s serial number, we can verify fitment exactly to avoid mismatches.
H2: Technical Specifications & Properties
Here are known specifications plus inferred details for the 23A2711250 / 23A-27-11250 PIN KOMATSU:
| Specification | Description / Value |
|---|---|
| Part code | 23A2711250, 23A-27-11250 PIN KOMATSU |
| Part type | King pin / pivot pin for front axle / steering / axle pivot |
| Weight | ~ 3.325 kg (as per parts catalog). |
| Alternate weight listing | ~ 7.32 lbs → ~ 3.33 kg. |
| Material | High strength steel / alloy with precise machining (bearing / pivot surfaces ground). |
| Finish | Polished / ground bearing surfaces, possibly hardened or treated surfaces in the pivot region. |
| Location in machine | Front axle (2/3) section or axle housing pivot area. |
| Installation context | Inserted through bushings or bearings, secured with retaining hardware, allows rotational / pivot motion of axle assemblies. |
| Manufacturing tolerance | OEM level replacement, built to match original geometry, holes, lengths, with minimal play. |
H2: Key Features & Benefits
Reliable pivot / load bearing
The pin is designed to carry heavy loads and pivot motion under harsh conditions, maintaining alignment and minimizing wear in connected components.
Precision fit
Manufactured to very tight tolerances so the pin fits through the bores and bushes with minimal clearance, reducing unwanted play or wobble that can degrade performance.
Long service life
With proper material treatment and surface finish, the pin resists wear, fatigue, and surface damage from heavy cycles of steering or load pivot motion.
OEM replacement quality
3GEN Export supplies this part as an OEM grade alternative, meaning it meets or closely matches original part specifications. This ensures compatibility and longevity without compromising on quality.
Global availability & fast delivery
We keep this part in stock and commit to shipping worldwide in 5 working days, helping minimize downtime in maintenance or repair operations.
H3: Installation & Practical Tips
Here are some practical recommendations for installing the 23A-27-11250 pin:
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Ensure the mating axle housing bushings or bearings are measured and cleaned to remove old wear and contamination.
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Check that the pin dimensions (diameter, length, holes) match your grader’s requirements, especially serial number specific axle versions.
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Use correct lubrication or grease on the pivot surfaces so that the pin and bushings articulate smoothly without excess friction.
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Align the pin carefully when installing into the axle housing; avoid side loading or forcing which can cause deformation or increased wear.
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Use proper retaining hardware (retainer plates, bolts or caps) as specified to hold pin in place and prevent movement.
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After initial operation, recheck for play or alignment to confirm there is no looseness developing.
H3: Frequently Asked Questions (FAQ)
Q: Is 23A-27-11250 a genuine Komatsu part?
A: It is listed as a part coded by Komatsu (“PIN, KING PIN”), but many aftermarket / OEM suppliers offer replacements. Our product from 3GEN Export is an OEM replacement (not claiming to be original manufacturer).
Q: Which grader models can use this pin?
A: Compatible with various motor grader front axle / housing applications including GD510R-1, GD511A-1, GD521A-1 (and emission version GD521A-1E), GD523A-1, GD525A-1, GD555-3A, GD555-3C, etc.
Q: What is the weight of this part?
A: The catalog shows about 3.325 kg (≈ 7.32 lbs).
Q: Do you ship internationally?
A: Yes , as 3GEN Export we deliver worldwide, with a lead time of 5 working days for dispatch.
Q: How to verify fitment?
A: Check your machine’s serial number and axle part diagrams. If you supply us with your model + serial, we can cross-check against the axle / front assembly to ensure compatibility.
H2: SEO Implementation Advice for Your Website
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Use both formats: “23A2711250” and “23A-27-11250 PIN KOMATSU” in headings, alt text for images, internal links.
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Keep keyword density for the main keyword between ~1% and ~2%. Place it naturally in headings, first paragraph, bullet lists, etc.
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Include variations like “Komatsu king pin 23A-27-11250”, “pivot pin 23A2711250 for grader”, etc., to capture different search intents.
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Link to relevant parts (bushings, axle housing, steering knuckles) via cross-part pages.
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Add structured data (e.g. Product schema) with part number, weight, compatible models, supplier info (3GEN Export), shipping details.
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Provide reference / compatibility diagrams or spec sheets to help search engines see this as authoritative technical content.
Meta Description (140 characters):
23A2711250 / 23A-27-11250 PIN KOMATSU king pin for graders & front axles. Premium OEM alternative by 3GEN Export, worldwide delivery in 5 working days.
If you like this version, I can generate similar text and spec copy for your other parts (just send image + part code).
