High-strength 2053920 swing shaft engineered for ZX70 swing devices, ideal for excavator parts distributors and repair workshops.
OEM-equivalent swing shaft for ZX70 excavators
Features 12–32 teeth / 223H configuration for accurate torque transfer
Precision-machined and heat-treated for extended durability
Ensures smooth rotation, low vibration, and stable slewing performance
Suitable for swing gearbox rebuilders, heavy-equipment repair shops, and aftermarket distributors
The YNF17570 2053920 swing shaft is engineered for the ZX70 excavator’s swing device, providing reliable torque transmission within the slewing gearbox. Built with hardened alloy steel and finished through precision machining, this shaft ensures optimal gear engagement, minimal vibration, and long service life even under heavy-duty excavating conditions.
Its 12–32T tooth profile and 223H height specification allow it to mesh precisely with the swing reduction gear set, maintaining smooth rotational performance and reducing wear to surrounding components. Because swing device failure directly affects machine rotation and jobsite efficiency, an accurate and durable replacement shaft is essential for professional repair operations.
YNF Machinery offers the YNF17570 as a cost-effective, stable-supply solution designed for excavator repair shops, aftermarket resellers, and fleet maintenance teams needing dependable swing system components.
| Parameter | Details |
|---|---|
| YNF Part Number | YNF17570 |
| OEM Number | 2053920 |
| Product Name | Swing Shaft / Slewing Vertical Shaft |
| Teeth Specification | 12–32 Teeth |
| Height | 223H |
| Material | Hardened alloy steel |
| Function | Transfers torque in swing reduction gearbox |
| Application Model | ZX70 Excavator |
| Installation | Fits into swing device gear assembly |
| Category | Swing System Components |
| Brand | YNF |
| Origin | China |
| MOQ | 1 Piece |
| Shipping Options | Sea, Air, Express |
| Payment Terms | T/T, PayPal, Western Union |
| Application Area | Description |
|---|---|
| Swing Reduction Gearbox | Transfers rotation from motor to slewing gear train |
| Excavator Slewing System Repair | Common component for ZX70 swing device overhaul |
| Heavy Machinery Workshops | Used for restoring accurate slewing movement |
| Parts Distributors & Stocking | High-demand swing mechanism component for resellers |
Related Products:
Swing Reduction Gear Sets
Swing Bearing / Slewing Ring
Swing Motor Assy and Repair Kits
ZX70 Travel Motor Components
FAQs:
Q: Is YNF17570 compatible with ZX70 excavators?
A: Yes, it replaces OEM 2053920 and fits ZX70 swing devices.
Q: What is the tooth configuration?
A: 12–32 teeth with 223H height.
Q: Is small-quantity purchase available?
A: Yes, MOQ is 1 piece, suitable for testing or urgent repair.
The YNF17570 2053920 swing shaft provides precise torque transmission and reliable performance for ZX70 excavators. Manufactured from hardened alloy steel and finished with strict tolerance control, it ensures stable slewing motion and long-term durability. YNF Machinery offers competitive pricing, stable inventory, and professional packaging—ideal for repair centers, distributors, and fleet maintenance teams. Contact us now for a fast quotation and technical support.
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