Products

RITO SY335-9 SY335 SY365 Excavator Swing Drive Unit 60042755 Hydraulic Swing Gearbox Rotary Reduction Assembly

Large Sany SY335-9, SY335, and SY365 excavators handle heavy rock excavation and bulk material movement where swing drive reliability directly affects daily production. The 60042755 swing drive unit delivers a robust aftermarket replacement engineered to meet the torque and durability requirements of large Sany excavators.

  • Item NO.:

    60042755
  • Order(MOQ):

    1pcs
  • Payment:

    T/T, WESTERN UNION, CHINESE BANK,PAYPAL
  • Product Origin:

    JAPAN
  • Shipping Port:

    Huangpu,Guangzhou
  • Lead Time:

    In Stock
  • Product Details

Built with a heavy-duty planetary reduction stage enclosed in a rigid forged steel housing, this swing drive assembly absorbs peak torque loads without deflection while maintaining precise gear alignment through extended service intervals. The standardized bolt-pattern ensures direct compatibility with SY335-9, SY335, and SY365 models. For mining contractors, heavy civil engineering firms, and Sany equipment distributors, the 60042755 provides a reliable swing component solution that reduces emergency procurement lead times and supports fleet-wide swing drive maintenance programs.

60042755 Swing Gearbox


Product Specifications
Part Number 60042755
Part Name SY335-9 Excavator Swing Gearbox Assembly
Compatible Brand SANY
Applicable Models SY335-9, SY335, SY365 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

Key Features & Advantages


High-Torque Swing Performance

Provides powerful and stable rotary force for SY335-9, SY335, SY365 excavator upper structure rotation and swing operations.

Efficient Hydraulic Rotary Drive

Converts hydraulic pressure into controlled rotary movement for smooth and precise swing operation.

Reliable Rotary Reduction System

Provides stable speed reduction, increased torque output, and efficient power transmission under heavy-duty excavation conditions.

OEM-Compatible Assembly Standard

Matches 60042755 specifications for SANY SY335-9 series excavator hydraulic swing systems.



FAQ

Q: What are the common symptoms of a failing 60042755 swing gearbox?
A: Check for unresponsive or uneven swing function, the superstructure continuing to rotate after control stick centers, harsh grinding from the drive casing, hydraulic oil misting from shaft seals, and progressive loss of rotary power under working loads.

 

Q: What should be checked before installing the 60042755?
A: Confirm hydraulic oil achieves ISO 4406 18/16/13 cleanliness rating, validate main circuit relief pressure against Sany OEM data, ensure the mounting pad is level and threaded bores are free of debris, and flush the entire hydraulic loop.

 

Q: Is this 60042755 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 60042755 fits my excavator model?
A: Cross-check your existing part number against 60042755. This assembly fits SY335-9, SY335, SY365 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

Leave A Message
If you are interested in our products and want to know more details,please leave a message here,we will reply you as soon as we can.

Related Products

SY235 Swing Gearbox
RITO SY235 SY235C SY245 Excavator Swing Drive Unit Hydraulic Swing Gearbox Rotary Reducer Reduction Assembly

Sany SY235, SY235C, and SY245 excavators are widely used in urban construction, utility installation, and general earthmoving where swing precision contributes to operator productivity. The SY235 swing gearbox assembly provides a dependable aftermarket replacement that restores smooth, controlled swing operation.

View More
A28VO130 pump
RITO Excavator Main Pump A28VO130 SANY SY215 SY225 SY235 SY245 Rexroth A28VO Variable Displacement Piston Pump Main Hydraulic Pump Assy

Sluggish boom lifting and weakened digging force indicate that your SANY excavator is suffering from internal pressure leakage inside the main hydraulic pump. When the A28VO130 rotating group drops its volumetric efficiency, multi-actuator coordination turns jerky, resulting in slower cycle times and inflated fuel costs on every job site. Do not let a worn power drive drain your field profitability on SY215, SY225, SY235 or SY245 excavation projects.

View More
4219329 Travel Bearing
RITO 4219329 Durable Travel Bearing EX700 Excavator Final Drive Bearing Roller Travel Motor Gearbox Spare Parts

Rumbling or grinding from the final drive on your EX700 during travel? A worn 4219329 travel bearing allows axial and radial play that misaligns the planetary gears and generates the grinding noise that precedes catastrophic final drive failure. RITO's durable roller bearing restores tight, quiet rotation in the EX700 travel gearbox.

View More
K5V140DT Cylinder block valve plate
RITO Cylinder Block Valve Plate K5V140DT Hydraulic Pump DH300 R290LC-7 SY305 EC290 Excavator Main Pump for Sale

Hydraulic pump instability can quickly lead to power loss, slow cycle times, and reduced digging efficiency in demanding construction environments. K5V140DT cylinder block valve plate is engineered for DH300, R290LC-7, SY305, and EC290 excavators, ensuring precise oil distribution and stable hydraulic pressure control within the main pump system.

View More
9195241 Hydraulic Pump
RITO Axial Piston Pump 9195241 ZX350LCN HPV145 Multiple Pump Assembly 9195238 9207291 ZX350 Main Hydraulic Pump Assembly

Lost travel tracking straightness and unexpected oil temperature spikes mean your twin hydraulic loops are failing under heavy construction loads. When internal cylinder blocks develop micro-clearances on narrow-chassis machines, high-pressure oil flows bypass the system, stalling your machine in soft ground and missing critical project deadlines. Do not risk your infrastructure operations.

View More
9260805 Swing Motor
RITO 9243324 Excavator Slewing Motor ZX250LCN-3 M5X130 4625367 9243323 Excavator Hydraulic Swing Reduction Drive Device

Facing swing instability, hydraulic response delay, or reduced slewing efficiency in ZX250LCN-3 excavator fleets? For construction contractors, heavy equipment distributors, and maintenance specialists, a dependable slewing motor is essential to maintain excavation productivity and reduce unexpected downtime. RITO 9243324 Excavator Slewing Motor ZX250LCN-3 M5X130 delivers stable torque output and efficient hydraulic-to-rotational conversion for smooth and reliable excavator swing operation in demanding construction and earthmoving environments.

View More
9192497 Hydraulic Pump
RITO Main Hydraulic Pump Assy 9192497 ZX120-E HPK055 Excavator Piston Hydraulic Pump 9197338 9227923 ZX120 Main Pump

Hydraulic performance decline in ZX120-E excavators commonly results in sluggish cycle speed and inconsistent digging force during extended operation. The 9192497 / 9197338 / 9227923 main hydraulic pump assembly is developed with HPK055 variable displacement architecture, delivering stable pressure control and reliable flow output to restore efficient working condition in EX120-class systems. 

View More
31N8-60160 Pedal Valve Assembly
RITO Foot Valve 31N8-60160 31N8-60161 R305LC-7 Pedal Valve Assembly R290LC-7 R300LC-7 R320LC-7 Excavator Travel Pilot Valve

Loss of travel precision leads to site safety hazards and decreased production. The RITO 31N8-60160 pedal valve assembly provides predictable, linear pilot oil metering for heavy-duty earthmoving. Seamlessly fits R305LC-7, R290LC-7, R300LC-7, and R320LC-7 travel systems.

View More
Leave A Message
If you are interested in our products and want to know more details,please leave a message here,we will reply you as soon as we can.

Leave A Message

Leave A Message
If you are interested in our products and want to know more details,please leave a message here,we will reply you as soon as we can.

Home

Products

whatsApp

contact