Hitachi 4409178 Bushing | Hitachi Excavator Parts
Warranty: SAME AS OEM WARRANTY
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Product Description
The 4409178 bushing by Hitachi parts is a vital component designed to provide exceptional performance and durability. This high-quality bushing is engineered to withstand rigorous conditions, making it suitable for various applications in industries such as construction, mining, and agriculture.
Crafted with precision, this bushing ensures optimal functionality and longevity. It is designed to fit seamlessly into compatible Hitachi machinery, guaranteeing a perfect fit and reliable performance. With its robust construction, this bushing offers superior resistance to wear, reducing the need for frequent replacements and minimizing downtime.
The 4409178 bushing is manufactured using top-grade materials, ensuring its ability to withstand heavy loads and extreme temperatures. Its exceptional strength and durability make it suitable for demanding tasks, providing peace of mind and reliability in critical operations.
Whether you are replacing a worn-out bushing or upgrading your equipment, the 4409178 bushing by Hitachi parts is an ideal choice. It is designed to meet the highest industry standards, delivering exceptional performance and reliability. Trust in the quality and expertise of Hitachi parts to enhance the efficiency and productivity of your machinery.
Hitachi 4409178 Bushing Specifications & Fitment
What it is: Heavy-equipment bushing designed for tight-tolerance pivot joints where wear control and alignment matter.
- Part number: 4409178
- SKU: HIT-4409178
- 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 machine’s 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 we’ll 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 pin–bushing 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.
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