Premium Heavy‑Duty Hydraulic Return Oil Filter Element (14688861 / VOE14688861) — Tank‑Submerged Return‑Line Filtration Solution

Our Premium Heavy‑Duty Hydraulic Return Oil Filter Element (Part Number: 14688861 / VOE14688861) is a high‑capacity tank‑submerged cartridge filter for heavy‑duty construction‑machine hydraulic return circuits. Installed inside the hydraulic oil tank, it removes metallic wear particles, silica contaminants and oxidized oil varnish from returning hydraulic fluid before it mixes with clean oil. Optimized for VOLVO C‑, D‑ and E‑series excavators, this filter protects main hydraulic pumps, control valves and travel motors from abrasive damage caused by circulating contaminants.

Core Technical Advantages

• Multi‑Layer Micro‑Glass‑Blend Filter Media: High‑efficiency resin‑bonded synthetic‑glass media delivers excellent particle‑capture performance with stable fluid permeability under high‑flow return‑line conditions.

• Reinforced Galvanized Steel Inner Core: Heavy‑duty perforated support cage resists pressure‑cycle fatigue and back‑pressure fluctuations, preventing pleat collapse or media displacement.

• Precision‑Fit Oil‑Resistant O‑Ring Seal: Custom‑profile nitrile elastomer gasket ensures leak‑tight installation inside the filter housing and eliminates unfiltered fluid bypass.

• High Dirt‑Holding Capacity Design: Extended structural geometry (150 mm OD × 110 mm ID × 430 mm height) provides large effective filtration area, extending service life in continuous heavy‑load operation.

Technical Specifications

Master Application Fleet Guide

• 1) VOLVO C‑ / D‑ / E‑Series Crawler Excavators:
  Mid‑Size Construction Excavators: EC120D, EC140C/D/E, EC160C/D/E, EC170D, EC180C/D/E, EC200D/E
  Global High‑Volume Excavators: EC210C, EC210D, EC220D, EC220E, EC235C/D, EC250D/E
  Heavy‑Duty Quarry Excavators: EC300D, EC300E
  Short‑Swing Excavators: ECR145C/D/E, ECR235C/D/E, ECR305C

• 2) VOLVO Wheeled Excavators:
  Mobile Construction Machinery: EW140E, EW145B, EW205D, EW205E

• 3) Specialized Industrial Equipment:
  Log Handlers: FC2121C, FC2421C
  Pipelayers: PL3005D

Global Brand Cross‑Reference Matrix

All manufacturer names, model series and part numbers are used for compatibility reference only. This hydraulic return‑line filter element is engineered for VOLVO C‑/D‑/E‑series excavator platforms. For custom‑configured hydraulic systems or special‑grade filtration requirements, please consult our technical team for tailored solutions.