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For VOLVO EC55 Track Adjuster Assembly Excavator Parts

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Item Info:

Product Apply To: VOLVO EC55
Product Brand: FL
Original Product Brand: VOLVO
Part Name: Track Adjuster Assy

Features:

Never Oil Leakage
Reinforced Structural Reliability
Resist To Deformation
Enhanced Durability
Warranty 12 Months

Categories VOLVO, VOLVO EC55, VOLVO Mini Excavator Tags Heavy Excavator Parts, Recoil Tension Spring, Track Adjuster, Track Hydraulic Cylinder, Track Tensioner, Volvo, VOLVO EC55, VOLVO EXCAVATOR, VOLVO EXCAVATOR Track Adjuster, VOLVO EXCAVATOR Track Tensioner, VOLVO Recoil Tension Spring, VOLVO Track Adjuster, VOLVO Track Hydraulic Cylinder, VOLVO Track Tensioner

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Description

Product Maker:	Fulian Machinery Co., Ltd.
Production Capacity:	50000 PCs/Month
Quality Certification:	ISO 9001:2008
OEM/ODM Orders:	Accept
Delivery Port:	Xiamen, Guangzhou, Ningbo…(Any Port in China)
Lead Time:	24-48 Working Hours for In-Stock Products (25-45 Days for Bulk Orders)

for komatsu pc120 track adjuster (tensioner) excavator parts

Product Description

This Excavator Track Adjuster Assy is an OEM-quality hydraulic track tensioner assembly designed for crawler excavators. It integrates a hydraulic track adjuster cylinder, recoil spring, and reinforced mounting base, ensuring reliable performance in mining, quarrying, and heavy construction. With 35MPa working pressure, it maintains accurate track tension, prevents derailment, and reduces sprocket wear. Perfect for CAT excavators, Komatsu excavators, Hitachi, Volvo, Hyundai, and Doosan models etc. in the 18-30 ton range.

Key Features

Robust Construction – 27SiMn hardened cylinder tube 45 hard chrome piston rod, resists >200,000 impact cycles
Precision Sealing – German HNBR seals + PTFE backup rings ensure zero-leakage at 35MPa
Easy Installation – Pre-assembled hydraulic adjuster assy with grease fittings & brackets, no welding needed
Heavy Duty Design – Meets ISO 6402 burst test & IP68 dust/water resistance for long service life
Multi-Brand Fit – CAT track adjuster assy, Komatsu track tensioner assy, Volvo track adjuster replacement, Hitachi adjuster assembly

Technical Parameters

Parameter	Specification
Max Pressure	35 MPa (5,000 PSI)
Rod Diameter	DN 45mm Hard Chrome Plated
Stroke Range	180-250mm (1mm tolerance)
Temp Range	-40C to +120C
Seal Material	HNBR + PTFE
Service Life	>10,000 Operating Hours

Applications

Fixes track sagging and tension loss on excavators
Prevents undercarriage derailment during high-load operation
Reduces sprocket wear, idler wear, and bottom roller vibration
Eliminates frequent manual track re-tensioning

Why Choose Our Track Adjuster Assembly?

48H Quick Dispatch Stock ready for CAT, Komatsu, Hitachi, Volvo excavator parts
OEM Replacement Direct fit for popular excavator track adjuster assemblies
1-Year Warranty Covers leakage and deformation under normal use
Engineering Support Installation guide, CAD drawings & technical consultation available