YNF16840 449-1560 relief valve protects M5X130 swing motors in CAT E320D/E320DL by regulating hydraulic pressure.
OEM-equivalent replacement for 449-1560
Specifically designed for M5X130 swing motor
Compatible with CAT E320D / E320DL excavators
Ensures accurate pressure control to prevent motor overload
High-strength valve core for long service life
The YNF16840 relief valve (449-1560) is engineered for the M5X130 swing motor used in CAT E320D and E320DL excavators. This valve plays a critical role in regulating hydraulic pressure during swing operations, preventing overload, overheating, and damage to the swing motor assembly.
Manufactured with precision-machined components and high-strength alloy steel, the relief valve ensures stable pressure release and consistent response under high load. This extends the lifespan of the swing motor while maintaining smooth and safe machine operation.
Due to the heavy-duty cycles of CAT 320D machines, swing motor protection is essential. The YNF16840 valve offers an OEM-equivalent pressure profile and direct-fit installation, making it a preferred choice for repair workshops, heavy equipment fleets, and aftermarket parts distributors seeking reliable hydraulic protection components.
| Parameter | Details |
|---|---|
| YNF Part Number | YNF16840 |
| OEM Number | 449-1560 |
| Applicable Models | CAT E320D / CAT E320DL |
| Applicable Motor | M5X130 Swing Motor |
| Product Type | Hydraulic Pressure Relief Valve |
| Function | Protects swing motor by releasing excess pressure |
| Material | High-strength alloy steel |
| Resistance | Heat, pressure, hydraulic shock |
| Installation | Direct OEM replacement |
| Brand | YNF |
| Origin | China |
| MOQ | 1 Piece |
| Shipping | Sea, Air, Express |
| Payment Terms | T/T, PayPal, Western Union |
| Application Area | Description |
|---|---|
| Excavator Swing System | Controls hydraulic pressure in swing motor circuits |
| Hydraulic System Protection | Prevents overload and motor damage |
| Repair & Maintenance | Replacement for worn or leaking relief valves |
| Aftermarket Distribution | Ideal for hydraulic parts dealers |
Related Products:
M5X130 Swing Motor Assy
CAT E320D Travel Motor Parts
Excavator Hydraulic Relief Valves
320D Main Control Valve Components
FAQs：
Q: Is this relief valve compatible with M5X130 swing motor?
A: Yes, it is designed specifically for M5X130.
Q: What machines use this valve?
A: CAT E320D and CAT E320DL excavators.
Q: Why replace the relief valve?
A: To prevent swing motor overload, overheating, or hydraulic failure.
The YNF16840 449-1560 swing motor relief valve provides essential hydraulic protection for M5X130 motors used in CAT E320D and E320DL excavators. Built from high-strength materials with precise pressure calibration, it ensures reliable performance under heavy-duty working conditions. YNF Machinery supports global distributors and repair centers with stable stock, competitive pricing, and fast delivery. Contact us for a quote today.
