Caterpillar Hydraulic Pump 8J-6730 8J-6155 8J-6730 for CAT120G Motor Grader

Product Overview

The Caterpillar hydraulic pump 8J-6730 is a high-performance fixed displacement axial piston pump specifically engineered for Caterpillar 120G motor graders. This robust hydraulic component is designed to deliver reliable power transmission for the demanding requirements of ground leveling, road maintenance, and construction applications. Manufactured to precise OEM specifications, this pump ensures optimal compatibility and performance within the CAT 120G’s hydraulic system, providing consistent fluid flow and pressure regulation for various hydraulic functions including blade control, articulation, and implement operation. The 8J-6730 features durable construction with hardened steel components, precision machined surfaces, and advanced sealing technology to withstand extreme operating conditions, prevent internal leakage, and extend service life. With its efficient design and proven reliability, this hydraulic pump contributes significantly to the overall productivity and operational efficiency of the motor grader, making it an essential component for construction professionals and equipment operators who depend on their CAT 120G for precision grading operations in various terrain and weather conditions.

Product Images

Core Parameters

Technical Features

• Axial piston design with precision-machined swash plate for smooth operation
• Hardened steel pistons and cylinder block for extended service life
• Advanced sealing technology minimizes internal leakage and maintains efficiency
• Designed for compatibility with standard hydraulic fluids (ISO VG 46 recommended)
• Robust bearing design handles high radial and axial loads

Typical Applications

CAT 120G Motor Grader Hydraulic System

Blade Lift and Control Circuits

Implement Hydraulic Systems

Steering Functions