Soil loosening cylinder repair kit-185-7688

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Caterpillar Grader

Soil loosening cylinder repair kit-185-7688

PRODUCT DESCRIPTION:

· Seal Performance Restoration: Replaces aged, worn or damaged seals, O-rings and gaskets to eliminate hydraulic fluid leakage, maintain stable system pressure and avoid pressure loss of the ripper cylinder.

· Internal Component Protection: Isolates the cylinder’s piston, rod and inner bore from dust, gravel and hydraulic oil impurities, preventing corrosion, scratch and wear of key components and extending the cylinder’s service life.

· Ripper Mechanism Calibration: Restores smooth, flexible and precise lifting and lowering actions of the grader’s ripper, eliminating problems like mechanical drift, unbalanced movement and unresponsive operation.

· Hydraulic System Integrity Maintenance: Prevents fluid loss from affecting the normal operation of other hydraulic components of the grader, ensuring the overall efficiency and stability of the machine’s hydraulic system.

PRODUCT DETAILS

Key Advantages

1. OEM-Grade Compatibility: Precisely designed for Cat 120, 12 and 140 motor graders, with perfect dimensional matching, no secondary modification required for installation and direct replacement of original parts.

2. High-Durability Materials: Adopts industrial-grade rubber, polyurethane and high-strength metal accessories, resistant to high hydraulic pressure, extreme temperature changes and hydraulic oil corrosion, suitable for harsh construction site working conditions.

3. All-in-One Repair Solution: The kit contains all seals, backup rings, wear rings, gaskets and necessary hardware for a full ripper cylinder overhaul, avoiding the trouble of purchasing scattered parts and reducing maintenance preparation time.

4. Cost-Effective Maintenance: A more economical alternative to replacing the entire ripper cylinder assembly, greatly reducing equipment maintenance costs while restoring the original working performance of the cylinder.

5. Work Efficiency Improvement: Quickly restores the full functionality of the grader’s ripper system, ensuring smooth soil loosening and ground breaking operations, and improving the overall construction efficiency of the motor grader in earthwork projects.


Simple Maintenance Tip

It is recommended to replace the repair kit when the ripper cylinder has obvious oil leakage, or the ripper action is abnormal; the cylinder should be thoroughly cleaned before installation to ensure the fitting surface is free of impurities, and proper lubrication should be applied to moving parts to ensure the best assembly effect.

SPECIFICATION

Item

Details

Part Number

185-7688

Application

Cat Motor Graders 120, 12, 140

Kit Components

Seals, O-rings, gaskets, backup rings, wear rings, piston seals and related installation hardware

Main Material

High-quality nitrile rubber (NBR), polyurethane (PU), carbon steel & stainless steel accessories

Pressure Rating

Adapt to Cat motor grader standard hydraulic system pressure (up to 3000 psi / 207 bar)

Temperature Range

-40°C to 120°C (-40°F to 248°F)

Installation

Direct fit replacement, basic hand tools available for on-site installation

Quality Standard

Compliant with Caterpillar engineering design specifications and industrial hydraulic part standards


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