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 **SEO-Friendly Product Title:**
175986 A1 Gear Shaft (HSA) for Case 580 L, SL Backhoe – High-Performance Replacement Part

 **Product Description:**
Upgrade the performance and reliability of your Case 580 L or SL backhoe with the 175986 A1 Gear Shaft (HSA). This high-quality replacement gear shaft is precision-engineered to meet or exceed OEM specifications, ensuring a perfect fit and long-lasting durability. Designed specifically for the HSA transmission system, the 175986 A1 gear shaft provides smooth and efficient power transfer, reducing wear and tear on your machine's drivetrain. 

Whether you're maintaining or repairing your backhoe, this gear shaft offers outstanding performance in the most demanding conditions. Made from premium materials to resist corrosion and abrasion, it’s the ideal choice for professionals looking to keep their equipment operating at peak efficiency. Keep your Case 580 L or SL backhoe in top condition with the reliable 175986 A1 Gear Shaft.

**Key Features:**
- Direct replacement for Case 580 L, SL backhoe models
- Built to OEM specifications for guaranteed compatibility
- Durable construction for extended service life
- Enhanced performance and smoother operation
- Perfect for heavy-duty applications and rigorous fieldwork

Upgrade your backhoe's transmission today with the 175986 A1 Gear Shaft (HSA) and experience improved performance and reliability!