LINCOLN 4491 is a heavy-duty, 3.5:1 Ratio Air-Operated Oil Pump designed for high-capacity applications. Compatible with 250–275 gallon bulk tanks, it delivers efficient and reliable fluid transfer in demanding shop environments.

Key Features:

• 3.5:1 pump ratio ideal for high-volume oil dispensing
• Designed for use with 250–275 gallon bulk tanks
• Heavy-duty construction for industrial and shop use
• Air-operated for consistent performance under pressure
• Compatible with engine oil, gear oil, and other lubricants
• Durable and easy to integrate into existing dispensing systems