Site maintenance teams operating Sumitomo SH265 excavators frequently experience deteriorating upper-structure rotation accuracy, unpredictable swing movement response, and gradual hydraulic performance drop-off over extended shift cycles. The 099-0337 swing motor brings back sharp slewing behavior and sustained output on heavy-duty job sites.
Item NO.:
099-0337Order(MOQ):
1pcsPayment:
T/T, WESTERN UNION, CHINESE BANK,PAYPALProduct Origin:
JAPANShipping Port:
Huangpu,GuangzhouLead Time：
In StockProduced to OEM-equivalent precision for seamless bolt-up replacement, the 099-0337 ensures steady high-torque rotary motion, restrains internal hydraulic loss, and pushes out major service milestones - equipping global spare parts dealers, independent repair operations, and heavy construction equipment fleets to drastically shorten equipment idle periods.
| Part Number | 099-0337 |
|---|---|
| Part Name | SH265 SH260 SH280 Excavator Swing Motor Assembly |
| Compatible Brand | SUMITOMO |
| Applicable Models | SH265, SH260, SH280 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 SH265, SH260, and SH280 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 099-0337 specifications for SUMITOMO SH265 series excavator hydraulic swing systems.
FAQ
Q: What are the common symptoms of a failing 099-0337 swing assembly?
A: Watch for labored or erratic swing movement, the excavator cab continuing to rotate after joystick release, harsh grinding or knocking originating from the rotary drive casing, oil mist escaping around shaft seals, and gradual torque fade during loaded rotation.
Q: What should be checked before installing the 099-0337?
A: Ensure hydraulic fluid cleanliness meets or exceeds ISO 4406 18/16/13 standards, verify main relief pressure corresponds to Sumitomo factory parameters, check the mounting face for flatness and clean all threaded ports, and execute a full hydraulic circuit flush.
Q: Is this 099-0337 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 099-0337 fits my excavator model?
A: Cross-check your existing part number against 099-0337. This assembly fits SH265, SH260, and SH280 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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