For more than 40 years, American Block has continued to provide high quality oil and gas equipment to the Upstream Energy Sector. With a legacy of manufacturing the most reliable and toughest drilling and well service equipment in the market. American Block has expanded into designing and manufacturing Well Service Pumps, in both configurations 600HP and 1000HP. Featuring a forged alloy steel fluid end and an integral heavy duty single helical gearbox with 4.61:1 gear ratio. Our pumps are engineered for endurance, performance and reliability.