Description
Product Overview
The Caltric power steering cylinder HY106/5 is a precision‑engineered component designed specifically for John Deere 425B, 445D, 455D, and 455E series tractors, crawlers, and loaders. Constructed from high‑strength steel, it provides consistent hydraulic pressure for smooth steering response. The cylinder meets or exceeds original equipment specifications, ensuring long‑term reliability in tough field conditions.
Usage
Ideal for agricultural and landscaping equipment, this cylinder restores full steering functionality after wear or damage. It fits seamlessly into existing hydraulic systems of compatible John Deere models, supporting tasks from field plowing to mower operation. 
Why Choose Us
Caltric guarantees OEM‑level performance with rigorous testing and quality control. Each unit is manufactured to exact tolerances, reducing the risk of leaks and premature wear. Our commitment to durability means fewer replacements and lower total ownership cost for farmers and equipment operators.
Key Features
- Heavy‑duty steel construction for maximum strength
- Exact fit for John Deere 425B, 445D, 455D, 455E models
- Meets or exceeds OEM performance standards
- Easy bolt‑on installation with standard fittings
- Designed for reliable operation in harsh agricultural environments
FAQ
Is this cylinder compatible with all John Deere tractors?
It is compatible with the 425B, 445D, 455D, and 455E series tractors, including their crawler and loader configurations.
What is the part number for ordering replacements?
The manufacturer part number is HY106/5, and it corresponds to OEM part numbers AM147173 and AM118795.
Can I install the cylinder myself?
Yes, the cylinder uses standard hydraulic fittings and bolt patterns, allowing a straightforward bolt‑on replacement with basic tools.
Does the cylinder come with a warranty?
Caltric offers a limited warranty that covers manufacturing defects for a specified period after purchase.
How does this cylinder improve steering performance?
The heavy‑duty design maintains consistent hydraulic pressure, reducing steering effort and providing smoother, more precise control during operation.




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