Sany SY485C1 hydraulic excavator 13311039 slewing device spare parts

Sany SY485C1 hydraulic excavator 13311039 slewing device spare parts

The SANY SY485C1 excavator slewing mechanism part (13311039) is a key component of the excavator’s upper platform slewing system. Manufactured strictly according to SANY’s original factory dimensions, precision, and process standards, it is suitable for harsh working conditions involving heavy loads, high-frequency rotation, and strong vibrations. It primarily transmits slewing torque, ensuring smooth rotation and precise positioning of the upper platform, making it a core component for the maintenance, repair, and overhaul of the SY485C1 excavator.

This part is made of high-strength, wear-resistant material, precision forged, heat-treated, and machined. It boasts excellent wear resistance, high load-bearing capacity, and superior impact resistance, capable of withstanding heavy loads and frequent rotations for extended periods without easily wearing, deforming, or being damaged. Combined with high-precision gears and a sealing structure, it ensures smooth rotation, low noise, no oil leaks, and no dust ingress, effectively improving slewing stability and operational efficiency.

Strictly compatible with the SANY SY485C1 model, featuring precise mounting holes and high compatibility with components such as the slewing motor, slewing bearing, and cab. Assembly is simple, allowing for quick restoration of equipment performance and minimizing downtime.

Core Technical Parameters

Part Model: 13311039
Part Name: Slewing Mechanism Part
Applicable Model: SANY SY485C1 Hydraulic Excavator
Material: High-strength wear-resistant alloy
Process: Precision forging, heat treatment, high-precision machining
Features: High load capacity, smooth rotation, wear-resistant and durable, reliable sealing
Functions: Drives the upper structure for slewing, transmits torque, precise positioning

Core Advantages

Original factory standard, precise fit; heavy-duty and durable, longer service life; smooth rotation, higher efficiency; good sealing, low failure rate, reduced maintenance costs.

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1 13298847 Cab

2 13311442 Slewing Platform

3 A210111000101 Bolt M12x25 GB578310.9 grade

4 24000639 Washer 12 GB97.1 Dacrust

5 A820101117871 Cover

6 A820606030364 Sealing Gasket

7 13294690 Slewing Mechanism

8 13278021 Denso Air Conditioning System

9 21021304 Bolt GB578510.9 grade

10 13354544 Set

11 13301920 Adjusting Shim

12 13301921 Shim

13 13272901 Counterweight Assembly

14 13312148 Body Panel Assembly
15 13294706 Powertrain System
16 13310215 Pilot System
17 13308319 Platform Hydraulic System

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