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BELPARTS MACHINERY LIMITED

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China Swing Reduction Slewing Gearbox Device Without Motor 9148921 For EX100-5 EX110-5
China Swing Reduction Slewing Gearbox Device Without Motor 9148921 For EX100-5 EX110-5

  1. China Swing Reduction Slewing Gearbox Device Without Motor 9148921 For EX100-5 EX110-5
  2. China Swing Reduction Slewing Gearbox Device Without Motor 9148921 For EX100-5 EX110-5
  3. China Swing Reduction Slewing Gearbox Device Without Motor 9148921 For EX100-5 EX110-5
  4. China Swing Reduction Slewing Gearbox Device Without Motor 9148921 For EX100-5 EX110-5
  5. China Swing Reduction Slewing Gearbox Device Without Motor 9148921 For EX100-5 EX110-5
  6. China Swing Reduction Slewing Gearbox Device Without Motor 9148921 For EX100-5 EX110-5
  7. China Swing Reduction Slewing Gearbox Device Without Motor 9148921 For EX100-5 EX110-5

Swing Reduction Slewing Gearbox Device Without Motor 9148921 For EX100-5 EX110-5

  1. MOQ: 1 piece
  2. Price: Negotiable price
  3. Get Latest Price
Part Name 9148921
Model Name EX100-5 EX110-5 EX120-5 EX130H-5
Brand Hitachi
Transportation Sea / Air / Express delivery
After-sales Services Online
MOQ 1PC
Condition New
Certifiion OEM
Payment Terms T/T,Paypal and Trade Assurance,L/C,D/A,D/P
Supply Ability 1000pieces
Delivery Time 3-7days
Packaging Details Wooden packing
Quality Original New
Brand Name Hitachi
Model Number EX100-5 EX110-5 EX120-5 EX130H-5
Place of Origin Japan
Certification ISO9001 / 2006/42/EC

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  1. Product Details
  2. Company Details

Product Specification

Part Name 9148921 Model Name EX100-5 EX110-5 EX120-5 EX130H-5
Brand Hitachi Transportation Sea / Air / Express delivery
After-sales Services Online MOQ 1PC
Condition New Certifiion OEM
Payment Terms T/T,Paypal and Trade Assurance,L/C,D/A,D/P Supply Ability 1000pieces
Delivery Time 3-7days Packaging Details Wooden packing
Quality Original New Brand Name Hitachi
Model Number EX100-5 EX110-5 EX120-5 EX130H-5 Place of Origin Japan
Certification ISO9001 / 2006/42/EC
High Light 9148921 Excavator swing reductionEX120-5 slewing gear boxEX120-5 Excavator swing reduction

Excavator swing reduction EX120-5 slewing device 9148921 excavator gearbox

Product Description

Appliion Excavator
Part name Swing Reduction Slewing Gearbox Device Without Motor
Part number EX100-5 EX110-5 EX120-5 EX130H-5
Model 9148921
MOQ 1PC
Warranty 12 months
Payment term T/T, PayPal
Delivery 1 day after the payment received
Shipment By sea, by air, by express, or as required

List of Spare Parts

# Part No Part Name Qty.
01 2036830 SHAFT; PROP. 1
01 2028036 SHAFT; PROP. 1
02 4244693 SLEEVE 1
03 A811100 O-RING 1
04 4248609 BRG.; SPH. ROL. 1
06 4244691 SEAL; OIL 1
06 4424512 SEAL; OIL 1
07 4247567 O-RING 1
08 3058620 COVER 1
09 1020380 HOUSING 1
11 J011035 BOLT; SEMS 8
12 4293424 BRG.; SPH. ROL. 1
13 991350 RING; RETAINING 1
14 2036804 CARRIER 1
16 4258089 PLATE; THRUST 1
17 9742788 GEAR; PLANETARY 3
18 4266255 PLATE; THRUST 6
19 4337638 PIN 3
21 4116308 PIN; SPRING 6
22 2036811 GEAR; RING 1
23 M341440 BOLT; SOCKET 12
24 3069697 GEAR; SUN 1
25 3069725 GEAR; PLANETARY 3
26 2036832 CARRIER 1
27 4176070 PLATE; THRUST 1
29 4269480 PLATE; THRUST 6
30 4330377 BRG.; NEEDLE 3
32 4337637 PIN 3
35 3069727 GEAR; SUN 1
36 8050210 PIPE 1
37 94-2012 PLUG 1
60 8065302 COVER (FOR TRANSPORTATION) 1
61 J011050 BOLT; SEMS (FOR TRANSPORTATION) 8
62 94-2011 PLUG (FOR TRANSPORTATION) 1
100 4330219 MOTOR; OIL 1
102 927488 RING; RETAINING 1
104 4264452 PIPE 1
106 4255227 PIPE 1
107 4298608 CAP 1
108 3053093 NAME-PLATE 1
109 M492564 SCREW; DRIVE 2
110 M341025 BOLT; SOCKET 7
111 3074223 GAUGE; LEVEL 1
200 9148921 SWING DEVICE (WITHOUT MOTOR) 1
1.Basic Info
  • Product: Swing Reduction Slewing Gearbox Device Without Motor
  • OEM Numbers: 9148921
  • Compatible Models: Hitachi EX100‑5, EX110‑5, EX120‑5, EX130H‑5
  • Application: Excavator Original Reducer Gear Parts
  • Condition: Original New
  • Note: Unit supplied without swing hydraulic motor
2.Core Advantages
  • OEM‑matched gear geometry guarantees smooth meshing with swing circle
  • Heat‑treated planetary gears resist impact load during frequent slewing cycles
  • Tight tolerance on spline and flange reduces vibration during rotating operation
  • Drop‑in replacement, preserves original slewing performance after service
3.Technical Data
  • Assembly Type: Two‑stage planetary slewing reduction gearbox
  • Function: Decelerate swing motor output speed and generate high torque for upper‑structure rotation
  • Internal Components: Planet gears, sun gear, ring gear, carrier assembly, multi‑disc parking brake unit
  • Lubricant: Industrial gear oil ISO VG220
  • Rated Output Torque: OEM standard torque for 10‑13 ton excavator platform
  • Allowable Max Slewing Pressure: 27.5 MPa
  • Brake Type: Spring‑applied, hydraulic‑released multi‑disc parking brake built‑inside housing
  • Mounting Interface: Original mounting flange, bolt pitch circle and spline dimension
  • Output Pinion: Hardened pinion with OEM tooth profile for swing gear ring engagement
  • Bench Test Content: No‑load rotation check, brake holding test, gear noise and backlash inspection
  • Weight: 83kg approx
4.FAQ

Q1: Can I reuse my existing old swing motor for this gearbox?

A1: Compatible with original matched motor, verify spline dimension and mounting interface before fitting.

Q2: Which maintenance work should be done after installation?

A2: Fill specified gear oil fully, check oil level periodically, inspect backlash of swing gear ring.

Q3: What causes swing gearbox abnormal noise?

A3: Usually insufficient lubrication, worn pinion or damaged planetary gear parts.

Company Details

Bronze Gleitlager

,

Bronze Sleeve Bushings

 and 

Graphite Plugged Bushings

 from Quality China Factory
  • Business Type:

    Manufacturer,Exporter

  • Year Established:

    2013

  • Total Annual:

    $28000000-$41660000

  • Employee Number:

    1200~1300

  • Ecer Certification:

    Verified Supplier

Since 2013 Excavator Hydraulic Parts Manufacturer & Global Supplier Since 2013 Belparts Machinery Limited — Your Trusted Partner in Excavator Hydraulic Parts Who We Are Founded in September 2013 and headquartered in Guangzhou, China's premier engineering machinery hub, Belparts ha... Since 2013 Excavator Hydraulic Parts Manufacturer & Global Supplier Since 2013 Belparts Machinery Limited — Your Trusted Partner in Excavator Hydraulic Parts Who We Are Founded in September 2013 and headquartered in Guangzhou, China's premier engineering machinery hub, Belparts ha...

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Get in touch with us

  • Reach Us
  • BELPARTS MACHINERY LIMITED
  • 429-432,No.268 Zhongshan Avenue East,Huangpu District,Guangzhou
  • https://www.hydraulic-excavatorparts.com/

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