Bobcat Lift Cylinder Seal Kit 7137939—Hydraulic Rebuild Kit for S250, S300, S330, S630, S650, S750, S770, T300, T320, T630, T650, T750 & T770

Restore the lifting power and hydraulic performance of your Bobcat equipment with the Bobcat 7137939 Lift Cylinder Seal Kit. Engineered as a premium OEM-quality replacement, this complete hydraulic rebuild kit is designed to eliminate leaks, restore lifting strength, and extend the service life of your lift cylinders on a wide range of Bobcat skid steer loaders and compact track loaders.

Designed for 1-5/8" rod x 3" bore lift cylinders, the BCK 7137939 seal kit includes every critical sealing component required for a complete cylinder overhaul. Whether you're performing scheduled maintenance or repairing a leaking hydraulic cylinder, this kit helps minimize downtime while restoring smooth, reliable lift operation.

Manufactured from high-quality hydraulic sealing materials, each component is built to withstand demanding construction, agricultural, landscaping, and fleet maintenance environments.

Complete Lift Cylinder Seal Kit Includes

• U-seal rod seals
• Piston seals with energizer
• Rod wipers
• O-rings
• Backup rings
• Complete hydraulic sealing components for a professional cylinder rebuild

Features & Benefits

OEM-Quality Direct Replacement

Direct replacement for Bobcat Part Number 7137939, delivering OEM-quality fit, sealing performance, and long service life.

Complete Hydraulic Rebuild Kit

Includes every major sealing component needed to rebuild your Bobcat lift cylinder and restore factory hydraulic performance.

Eliminates Hydraulic Leaks

Replaces worn seals that cause oil leaks, pressure loss, slow lift speeds, and reduced lifting capacity.

Precision Fit

Designed specifically for 1-5/8-inch rod x 3-inch bore lift cylinders used on numerous Bobcat skid steer and compact track loader models.

Heavy-Duty Hydraulic Materials

Premium-grade seals resist wear, abrasion, hydraulic pressure, temperature changes, and contamination for dependable long-term performance.

Fast Installation

Direct-fit replacement components allow professional installation without modifications, helping reduce equipment downtime.

Technical Specifications

Part Number: 7137939 (SoTex Tools Part: BCK 7137939)

Application:
Lift Cylinder Hydraulic Seal Rebuild Kit

Cylinder Size:

• 1-5/8" Rod
• 3" Bore

Compatible Cylinder Numbers:

• 6817310
• 7106456

Compatible Bobcat Models

This hydraulic cylinder seal kit fits numerous Bobcat machines, including:

• Bobcat A300
• Bobcat S250
• Bobcat S300
• Bobcat S330
• Bobcat S630
• Bobcat S650
• Bobcat S750
• Bobcat S770
• Bobcat T300
• Bobcat T320
• Bobcat T630
• Bobcat T650
• Bobcat T750
• Bobcat T770

Compatible with all applicable serial numbers utilizing the specified lift cylinder.

Ideal Applications

The Bobcat 7137939 Lift Cylinder Seal Kit is ideal for:

• Bobcat lift cylinder rebuilds
• Hydraulic cylinder leak repairs
• Preventive hydraulic maintenance
• Skid steer loader service
• Compact track loader maintenance
• Construction equipment repair
• Rental fleet maintenance
• Municipal equipment service
• Agricultural equipment maintenance
• Landscaping equipment repairs

Why Choose the Bobcat 7137939 Lift Cylinder Seal Kit?

Hydraulic cylinder leaks reduce lifting capacity, increase contamination, and create unnecessary equipment downtime. The Bobcat 7137939 Lift Cylinder Seal Kit provides an affordable, reliable solution for restoring your lift cylinders to peak operating condition without replacing the entire cylinder.

By replacing worn rod seals, piston seals, wipers, O-rings, and backup rings during scheduled maintenance, you can improve hydraulic efficiency, reduce costly repairs, and maximize the performance and lifespan of your Bobcat equipment.

Whether you maintain a single machine or manage a fleet of skid steers and compact track loaders, this complete rebuild kit helps keep your equipment operating safely and efficiently.

Need help verifying compatibility? Contact SoTex Tools before ordering. Our hydraulic repair specialists can help confirm the correct seal kit for your Bobcat model, cylinder number, and serial number while providing expert technical support and bulk pricing options.