Heavy-Duty 11712746 Front Loader Boom Lift Cylinder Repair Seal Kit for Volvo BL60 Backhoe Loader | Premium Overhaul Solution

Restore heavy lifting capacity and eliminate loader arm sinking with our precision-engineered Front Loader Boom Lift Cylinder Seal Kit (Part Numbers: 11712746 / VOE11712746).

Front-loader lift cylinders endure continuous high static pressures while supporting heavily loaded buckets, combined with violent dynamic shock loads during transport over rough terrain. Engineered specifically for Volvo BL60 and BL60B backhoe loaders (fits 50mm rod / 90mm cylinder bore front loader lift cylinders), this heavy-duty overhaul kit stops internal hydraulic oil bypass, prevents dangerous boom drift, and ensures stable, precise control during material loading and site grading.

Key Technical & Operational Advantages

• High-Load Pressure Containment

  Features high-modulus Polyurethane (PU/TPU) dynamic U-cup rod seals paired with resilient NBR energizers, specifically formulated to maintain continuous radial lip contact under constant heavy boom loads without flattening or deforming.

• Zero-Drift Boom Holding Power

  Includes low-friction, bronze-filled PTFE piston seals that eliminate cross-chamber fluid migration. This holds the front loader arms firmly at maximum elevation when carrying heavy payloads across uneven site conditions.

• Aggressive Double-Lip Dust Guard

  Outfitted with a heavy-duty double-lip scraper wiper that actively strips away wet mud, abrasive quartz dust, and crushed rock debris before it can score the 50mm chrome piston rod or penetrate the main gland assembly.

• Wide Thermal Range & Oil Compatibility

  Formulated to retain lip memory and sealing force across extreme seasonal temperatures (-35°C to 110°C), resisting thermal degradation and fluid breakdown under intensive cycling.

Technical Specifications

• Brand Compatibility: Volvo / Volvo Construction Equipment (VCE)

• Compatible Backhoe Models: Volvo BL60, BL60B Backhoe Loaders

• Circuit Location: Front Loader Attachment Boom Lift Cylinder (Left or Right Arm)

• OEM Cross-Reference Part Numbers: 11712746 / VOE11712746 / VME-11712746

• Cylinder Fitment Specs: 50 mm Rod Diameter / 90 mm Cylinder Bore

• Kit Components: Heavy-Duty Scraper Wiper, U-Cup Rod Seal, Buffer Ring, Piston Seal Ring, O-Rings & Anti-Extrusion Backup Rings

• Material Composition: Premium TPU + High-Temp NBR + Bronze-Filled PTFE Wear Rings

• Primary Application: Front Loader Lifting, Bulk Material Handling, Truck Loading, and Site Preparation

Loader System Maintenance & Service Recommendation

💡 Dual Lift Cylinder Service Strategy: Front loader lift arms utilize twin cylinders operating in tandem under identical workloads and pressure cycles. When one lift cylinder starts weeping oil or allows the boom to creep downward, the opposite cylinder’s seals have endured the exact same wear. Replacing seals on both lift cylinders simultaneously prevents hydraulic lifting imbalances and avoids secondary machine downtime.

Fitment Verification: Please verify your cylinder rod diameter (50mm) and machine serial number against Volvo OEM catalog specifications prior to ordering to guarantee 100% fitment accuracy.