The GRACO 25C556 is a mobile piston pump package designed for dispensing oil from 55-gallon drums. It is constructed from zinc-plated carbon steel, aluminum, nitrile, polyurethane, and nickel-plated aluminum, and is intended for efficient, reliable oil transfer in industrial and vehicle service environments.

Key Features:

• Piston Pump Package
• LD Series 5:1, 55 Gallon (200 Liter)
• Zinc-Plated Carbon Steel, Aluminum, Nitrile, Polyurethane, Nickel-Plated Aluminum
• 6.7 GPM
• Maximum Working Pressure: 750 psi (5.2 MPa, 52 bar, 5200 kPa)
• Oil
• Pneumatic (air-powered) operation
• 5:1 pump ratio for high pressure output
• Includes preset meter and rigid extension for precise dispensing
• Mobile design for shop flexibility
• Durable construction for long service life
• Easy to maintain and reliable for continuous duty

Applications:
Ideal for dispensing oil in vehicle service shops, industrial maintenance, mining, and agricultural operations where mobile, high-pressure oil transfer is required.

Installation Notes:

• Using genuine GRACO parts ensures optimal performance, safety, and compatibility with existing equipment.
• Ensure air supply is within the recommended range (20–150 psi, optimum <125 psi for pump life)
• Connect fluid inlet and outlet hoses securely using appropriate fittings
• Mount pump securely on drum or cart for stability during operation
• Regularly inspect and maintain seals and hoses for leaks or wear
• Follow manufacturer’s guidelines for installation and maintenance
• Use only compatible fluids and accessories
• Keep pump and accessories clean and free from debris