Operators of Sumitomo SH120J3, SH120, and SH130 excavators rely on consistent swing performance for tasks ranging from site preparation to utility trenching. The LN002340 swing gearbox offers a direct-fit replacement that restores original swing quality without the premium of genuine OEM pricing.
Item NO.:
LN002340Order(MOQ):
1pcsPayment:
T/T,WESTERN UNION,CHINESE BANK,PAYPALProduct Origin:
JAPANShipping Port:
Huangpu,GuangzhouThis swing drive assembly features hardened planetary gearing within a precisely machined housing that ensures reliable torque transfer and consistent swing acceleration across the entire operating range of the SH120-series excavator. Parts distributors and equipment service centers benefit from its broad model coverage, which reduces the number of swing gearbox part numbers they need to stock. For fleet managers seeking to standardize their repair parts inventory, the LN002340 provides a single swing drive solution for multiple Sumitomo models while meeting aftermarket quality expectations.
| Part Number | LN002340 |
|---|---|
| Part Name | SH120J3 Excavator Swing Gearbox Assembly |
| Compatible Brand | SUMITOMO |
| Applicable Models | SH120J3, SH120, SH130 Excavator |
| Application | Excavator upper structure slewing hydraulic drive system |
| Material | High-strength forged alloy steel housing |
| Product Color | Matte industrial gray with anti-rust coating |
| Working Temperature | -25°C~+60°C |
| Key Function | Converts high-pressure hydraulic fluid into controlled rotary torque |
| Condition | 100% New Aftermarket OEM Quality |
| Packaging | Wooden Case Reinforced Carton Neutral Packing Customized Box |
Provides powerful and stable rotary force for SH120J3, SH120, SH130 excavator upper structure rotation and swing operations.
Converts hydraulic pressure into controlled rotary movement for smooth and precise swing operation.
Provides stable speed reduction, increased torque output, and efficient power transmission under heavy-duty excavation conditions.
Matches LN002340 specifications for SUMITOMO SH120J3 series excavator hydraulic swing systems.
FAQ
Q: What are the common symptoms of a failing LN002340 swing gearbox?
A: Key warning indicators include hesitant or uneven swing action, the upper structure coasting after controls are released, grinding or hammering sounds from the drive unit, visible oil seepage around the shaft area, and progressive decline in rotary power.
Q: What should be checked before installing the LN002340?
A: Confirm hydraulic oil meets ISO 4406 18/16/13 cleanliness threshold, verify main circuit relief pressure aligns with Sumitomo factory specifications, inspect the mounting surface for flatness and ensure all threaded holes are debris-free, and thoroughly purge the hydraulic system.
Q: Is this LN002340 a genuine OEM or aftermarket part?
A: This is a 100% new aftermarket assembly manufactured to OEM specifications. RITO HYDRAULIC is a listed supplier to major Chinese excavator OEMs and Fortune 500 companies.
Q: How to confirm the LN002340 fits my excavator model?
A: Cross-check your existing part number against LN002340. This assembly fits SH120J3, SH120, SH130 excavators. Contact our technical team with your serial number for compatibility confirmation.
Q: What quality options are available?
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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