Item NO.:
21K-26-B7100Order(MOQ):
1Payment:
T/T, WESTERN UNION, CHINESE BANK,PAYPALProduct Origin:
JAPANLead Time:
2-3 DAYSChoosing the correct hydraulic component and confirming system compatibility are essential for efficient excavator maintenance. The 21K-26-B7100 Komatsu Excavator Swing Drive Assembly is a dependable replacement for Komatsu PC160-7, PC160-8, PC150-6, PC180-7 machines, supporting repair workshops, mining service providers and parts distributors with stable power transmission and consistent working performance. RITO supplies professional hydraulic parts through accurate part verification, pre-shipment inspection and stable B2B supply.

| Part Number | 21K-26-B7100 |
|---|---|
| Part Name | Komatsu Excavator Swing Drive Assembly |
| Compatible Brand | Komatsu |
| Applicable Models | PC160-7, PC160-8, PC150-6, PC180-7 Excavator |
| Application | Excavator upper structure slewing hydraulic drive system |
| Material | High-strength metal housing, precision hydraulic components, and hardened gear components |
| Product Color | black/Original equipment style color |
| Working Temperature | Designed for standard excavator hydraulic operating conditions |
| Key Function | Converts hydraulic energy into controlled rotary motion for excavator upper structure slewing operation |
| Condition | 100% New, Aftermarket / OEM Quality |
| Packaging | Wooden Case/Reinforced Carton/Neutral Packing / Customized Box |

Provides powerful and consistent rotary force for Komatsu PC160-7, PC160-8, PC150-6, PC180-7 upper structure slewing and swing operations.

Hardened planetary and output gear sets maintain accurate motion, smooth speed reduction and efficient torque transfer under continuous duty.

Designed for Komatsu PC160-7, PC160-8, PC150-6, PC180-7 slewing systems, with reference 21K-26-B7100 for correct and quick replacement identification.

A dependable replacement option for repair workshops and distributors requiring stable swing drive assemblies.

FAQ
Q: What are the common symptoms of a failing 21K-26-B7100 swing drive?
A: Frequent signs include slow or jerky slewing, the upper structure drifting after the control lever is centred, metallic grinding from the swing drive, and reduced rotary force when swinging a loaded bucket.
Q: What should be checked before installing the 21K-26-B7100?
A: Check swing bearing condition, confirm mounting bolt alignment and gear backlash, verify hydraulic oil cleanliness, and inspect the swing motor coupling before installing the replacement assembly.
Q: Is this 21K-26-B7100 a genuine OEM or aftermarket part?
A: This is a 100% new aftermarket assembly manufactured to OEM specifications. RITO HYDRAULIC is a listed factory and supplier to major Chinese excavator OEMs and Fortune 500 companies.
Q: How to confirm the 21K-26-B7100 fits my excavator model?
A: Compare your original part number with 21K-26-B7100. This swing drive fits Komatsu PC160-7, PC160-8, PC150-6, PC180-7 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
Scan to wechat :