Irregular swing motion, weak torque transfer, or abnormal gearbox noise often indicates wear on the pinion shaft inside the drive system. The RITO 595-6583 12-teeth pinion shaft is designed for excavator swing drive and final drive assemblies, providing stable torque engagement between gear stages under continuous heavy-duty operation.
Item NO.:
595-6583Order(MOQ):
1Payment:
T/T, WESTERN UNION, CHINESE BANK,PAYPALProduct Origin:
JAPANLead Time:
2-3 DAYSThis component is developed for gearbox rebuild workshops, heavy machinery distributors, and field service maintenance teams. Its function focuses on maintaining accurate gear meshing and consistent power transmission, helping reduce drivetrain vibration and improve operational stability in construction, mining, and earthmoving environments.

| Part Number | 595-6583 |
|---|---|
| Part Name | Swing Pinion Shaft |
| Compatible Brand | Caterpillar |
| Applicable Models | Excavator |
| Application | Excavator |
| Material | 20CrMnTi carburizing steel |
| Product Color | Black oxide coating with anti-rust oil film |
| Working Temperature | -40°C to +100°C |
| Key Function | Transfers motor torque to ring gear; final power output for swing rotation |
| Condition | 100% New, Aftermarket / OEM Quality |
| Packaging | Wooden Case/Reinforced Carton/Neutral Packing / Customized Box |

Hardened layer extends 1.6-1.8mm below tooth root, preventing tooth breakage under high shock loads from rocky terrain.




FAQ
A: We provide original, OEM, and high-quality aftermarket versions with stable supply capability.
Q:Why Choose RITO?
A:Listed Factory
Stable&Reliable Quality
OEM Factory for Chinese Top Excavator Brands
Supplier to Fortune 500 Companies
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