Komatsu 17A-20-11211 Spider, Bearing

Alternate Part# 17A2011211

The Komatsu 6136-31-1110 crankshaft is a high-quality replacement part designed specifically for Komatsu machinery. This durable crankshaft is built to withstand the rigors of heavy-duty applications, ensuring optimal performance and longevity. With its precision engineering and superior construction, this crankshaft delivers reliable power transfer and smooth operation, contributing to the overall efficiency of your Komatsu equipment. It is designed to meet or exceed OEM specifications, guaranteeing a perfect fit and compatibility with your existing engine components. The Komatsu 6136-31-1110 crankshaft is manufactured using advanced techniques and premium materials, ensuring exceptional strength and durability. It undergoes rigorous quality control checks to ensure it meets the highest standards, providing you with a reliable and long-lasting solution for your machinery. This crankshaft is a vital component of your Komatsu equipment, responsible for converting the reciprocating motion of the pistons into rotational motion, ultimately driving the engine. By choosing the Komatsu 6136-31-1110 crankshaft, you can be confident in its ability to deliver the power and performance you expect from your machinery. Whether you are in the construction, mining, or any other industry that relies on Komatsu equipment, investing in certified premium Komatsu parts like the 6136-31-1110 crankshaft is essential. Trust in the quality and reliability of Komatsu's engineering expertise to keep your machinery operating at its best. Note: price, size, and material information are not available in this description. Please refer to the product details or contact our customer support for further information.

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Komatsu Pin Specifications & Fitment

What it is: Heavy-equipment pin designed for tight-tolerance pivot joints where wear control and alignment matter.

• Part number: See title
• SKU: KM-17A-20-11211
• Typical use: Boom/arm/bucket linkages, work equipment pivots, and high-wear joints.

Key measurements to confirm

To ensure correct fit, match the following measurements to your machineTMs worn component or OEM spec:

• Inside Diameter (ID): ___
• Outside Diameter (OD): ___
• Overall Length: ___

Quality notes

• Designed for consistent clearance and long service life when installed with proper lubrication.
• Replace pins and bushings as a set when wear is uneven to prevent premature failure.

Installation tip

Measure the bore, pin, and bushing after press-fit. Use proper tooling and lubrication, and re-check end-play after assembly.

Need help confirming dimensions? Send your machine model and the measurements above and weTMll verify fitment.

Komatsu maintenance notes (quick guide)

• Early-life greasing: For excavators, Komatsu guidance calls for greasing work equipment pins every 10 hours for the first 50 hours, and greasing again after water work.
• Clearance control: Komatsu linkage manuals commonly specify pinbushing clearance targets and a typical service limit around 1.0 mm for many joints, often managed with shims.
• Tracked machines: For undercarriage track joints, pin/bushing turning is condition- and wear-window dependent; abrasive sites can accelerate wear substantially.