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PC2000-8 SWING MACHINERY 21T-26-00300 21T2600300 SWING GEARBOX
Swing Gearbox
PC2000-8 SWING MACHINERY 21T-26-00300 21T2600300 SWING GEARBOX
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PC2000-8 Final Drive 21T-27-00410 706-7L-01110 21T-27-00300 TRAVEL GEARBOX for Komatsu PC2000LC-8
Travel Gearbox
PC2000-8 Final Drive 21T-27-00410 706-7L-01110 21T-27-00300 TRAVEL GEARBOX for Komatsu PC2000LC-8
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PC1250-7 PC1250-8 PC1250-11 TRAVEL GEARBOX WITH SPROCKET 21N-27-00130 21N-27-00140 21N-27-00190 PC1250 FINAL DRIVE
Final Drive
PC1250-7 PC1250-8 PC1250-11 TRAVEL GEARBOX WITH SPROCKET 21N-27-00130 21N-27-00140 21N-27-00190 PC1250 FINAL DRIVE
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EX1200-6 ZX1800 FINAL DRIVE 9270013 9301479 YB60001978 9301480 TRAVEL DEVICE EX1200-6 TRAVEL GEARBOX
Final Drive
EX1200-6 ZX1800 FINAL DRIVE 9270013 9301479 YB60001978 9301480 TRAVEL DEVICE EX1200-6 TRAVEL GEARBOX
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CAT E385C E385D E390C E390 E395 FINAL DRIVE WITH MOTOR TRAVEL GEARBOX 199-4662 590-3903 353-0590 590-3901 455-2770 455-2771 E390 FINAL DRIVE FOR CAT EXCAVATOR
Final Drive
CAT E385C E385D E390C E390 E395 FINAL DRIVE WITH MOTOR TRAVEL GEARBOX 199-4662 590-3903 353-0590 590-3901 455-2770 455-2771 E390 FINAL DRIVE FOR CAT EXCAVATOR
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CAT 395 SWING DRIVE WITHOUT MOTOR 607-5642 607-5657 607-5643 595-9505 607-5658 E395 SWING GEARBOX
Swing Gearbox
CAT 395 SWING DRIVE WITHOUT MOTOR 607-5642 607-5657 607-5643 595-9505 607-5658 E395 SWING GEARBOX
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EC950 FINAL DRIVE VOE14719765 EC950E TRAVEL GEARBOX
Travel Gearbox
EC950 FINAL DRIVE VOE14719765 EC950E TRAVEL GEARBOX
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EX1200-6 Swing reduction assy 9263507 9301481 YB60001906 EX1200-6 SWING GEARBOX FOR EXCAVATOR
Swing Gearbox
EX1200-6 Swing reduction assy 9263507 9301481 YB60001906 EX1200-6 SWING GEARBOX FOR EXCAVATOR
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DX1000 SWING REDUCTION GEARBOX 130426-00046A SWING GEARBOX FOR DOOSAN EXCAVATOR
Swing Gearbox
DX1000 SWING REDUCTION GEARBOX 130426-00046A SWING GEARBOX FOR DOOSAN EXCAVATOR
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DX1000 Excavator Final Drive 170402-00052 170402-00077 170403-00222 Final drive
Final Drive
DX1000 Excavator Final Drive 170402-00052 170402-00077 170403-00222 Final drive
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ZX850-3 ZX870-3 swing device 9250921 ZX870 swing gearbox
Swing Gearbox
ZX850-3 ZX870-3 swing device 9250921 ZX870 swing gearbox
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ZX650-3 ZX670-3 SWING GEARBOX WITH MOTOR 9255635 9255634 ZX670-3 SWING DEVICE
Swing Gearbox
ZX650-3 ZX670-3 SWING GEARBOX WITH MOTOR 9255635 9255634 ZX670-3 SWING DEVICE
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Why Choose Us

LB is a leading manufacturer and supplier of earth-moving machinery components: travel reducers and swing reducers. Founded in 2008, we have advanced production equipment, high-quality production R&D and marketing teams, and excellent processing technology.
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Our Capability

Capability
  • 01

    Diversity

    We focus on the production of excavator gearboxes, reducers, final drives, swing drive transmission components (gear, pinion shaft, ring gear, motor shaft, carrier, hub, etc.);
  • 02

    Cost-effective

    Our products are cost-effective, saving customers a lot of cost At the same time, we also provide high-quality products;​​​​​​​
  • 03

    Compatibility

    Our products are compatible with Caterpillar, Komatsu, Hitachi, Hyundai, Volvo, Doosan, Kobelco, Sany, JCB, Case, John Deere, XCMG and other brands.

DIGITAL SHOWROOM

If you want to learn more about our manufacturing capabilities, you can click on the avatar in the scene, or accept my invitation!

Customized Service

Project​​​​​​​

Assess customer demand​​​​​​​

Quotation​​​​​​​

Initial design cost & Tooling cost​​​​​​​

Design​​​​​​​

Professional R&D team​​​​​​​

Sample

Proto making&testing​​​​​​​

Mould development​​​​​​​

Design processing manufacture​​​​​​​

Official order

Mass production

Get In Touch

Please contact us with any questions you may have by filling out and sending the form below.
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​​​​​​​What’s New

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Excavator Swing Gearbox: Repair And Replacement Guide For Major Brands

Master excavator swing gearbox diagnosis, repair, and replacement. Learn precision installation and maintenance tips to minimize costly downtime.

2026-05-16
PC490-10-xingzouyaxiang8618522455512358400.jpg
Excavator Travel Gearbox: Replacement Parts For Komatsu Hitachi Volvo

Expert guide to excavator travel gearbox replacement. Learn to diagnose failures, compare OEM vs. aftermarket, and source reliable Komatsu parts.

2026-05-15
PC300-PC4007670859567075122525.jpg
Swing Motor Assembly For Excavator: High Performance Replacement Parts

Learn to diagnose, rebuild, or replace excavator swing motors. This guide covers wear signs, quality standards, and sourcing reliable assemblies.

2026-05-20
SY375-GM75VA-xingzouzongcheng361886763446617460.jpg
Final Drive Motor Assembly For Excavator: Travel Motor Solutions

Expert guide on diagnosing and replacing excavator travel motors. Learn fitment verification, OEM vs. aftermarket ROI, and how to avoid downtime.

2026-05-18

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Jannie Ye: +86 17728636936  
Jenny: +86 18127522581
Miriam: +86 15018897468 

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LB is a leading manufacturer and supplier of earth-moving machinery components: travel reducers and swing reducers.

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