31Y105611 31Y104461 31Y1-05611 31Y1-04461 Hydraulic Cylinder Excavator Arm Boom Bucket Seal Kit Adjuster Seal Kit Travel Motor Kit

31Y105611 31Y104461 31Y1-05611 31Y1-04461 Hydraulic Cylinder Excavator Arm Boom Bucket Seal Kit Adjuster Seal Kit Travel Motor Kit

Version 1 (Travel Motor & Adjuster Function Focus)

Excavator travel motor rebuilds require the hydraulic cylinder seal kit containing 31Y105611 for final drive protection. The adjuster seal assembly identified as 31Y104461 maintains proper track tension during loader operations. When servicing an arm or boom cylinder, part number 31Y1-05611 provides critical sealing for the piston rod guide. The bucket cylinder kit featuring 31Y1-04461 complements the travel motor seals to prevent cross-contamination. Excavator owners report smoother track movement after installing 31Y105611 and 31Y104461 together. The adjuster seal 31Y1-05611 (also listed as 31Y105611 in some references) eliminates leakage from the tensioning cylinder. Every travel motor overhaul should verify that 31Y104461, 31Y1-05611, and 31Y1-04461 are all present before reassembly.

Version 2 (Application & System Integration Focus)

Heavy equipment workshops stock 31Y105611 as the primary seal for excavator arm and travel motor circuits. The 31Y104461 adjuster seal kit pairs effectively with 31Y1-05611 for boom cylinder gland retention. When rebuilding a bucket tilt cylinder, include 31Y1-04461 to seal the piston head connection. Part number 31Y1-05611 (frequently cross-referenced as 31Y105611) protects the adjuster mechanism from debris ingress. The travel motor assembly using 31Y104461 and 31Y1-04461 shows extended service life under high torque loads. Excavator boom cylinders fitted with 31Y105611 and 31Y1-05611 demonstrate reduced drift during heavy lifting. Field technicians prefer 31Y104461, 31Y1-05611, and 31Y1-04461 for comprehensive arm, bucket, and travel coverage.