CBJ40F25S3K Hydraulic Gear Pump for XCMG Construction Machinery

CBJ40F25S3K Hydraulic Gear Pump for XCMG Construction Machinery

The CBJ40F25S3K Hydraulic Gear Pump is a heavy-duty gear-type hydraulic pump designed for use in XCMG construction machinery hydraulic systems. Featuring a precision-machined spline drive shaft and a four-slot mounting flange, this pump delivers consistent, high-pressure hydraulic flow for reliable operation in demanding job-site conditions.

Key Features

• Gear-Type Hydraulic Design: Precision internal gear mechanism provides stable, pulsation-free hydraulic flow for smooth system operation
• Heavy-Duty Cast Iron Housing: Black cast iron pump body offers excellent pressure resistance, wear resistance, and long service life
• Aluminum Alloy Center Body: Lightweight yet strong aluminum alloy center section reduces overall weight while maintaining structural integrity
• Precision Spline Drive Shaft: Machined spline output shaft ensures secure, backlash-free power transmission from the engine or PTO
• Four-Slot Mounting Flange: Stainless steel mounting flange with four elongated slots allows flexible and secure installation
• OEM Quality Standard: Manufactured to XCMG OEM specifications with factory quality inspection label for direct replacement

Specifications

• Part Number: CBJ40F25S3K
• Type: Hydraulic Gear Pump
• Drive Shaft: Spline type
• Mounting: 4-slot flange
• Housing Material: Cast iron
• Center Body Material: Aluminum alloy
• Application: XCMG construction machinery hydraulic systems

Installation Notes

Ensure the hydraulic system is fully depressurized before installation or removal. Align the spline shaft carefully with the drive coupling before mounting. Use the correct torque specification when tightening flange bolts. Prime the pump with clean hydraulic fluid before initial start-up to prevent dry-running damage.