Answer
Jun 19, 2026 - 04:50 PM
The exact pulley size required depends on the specific RPM of your motor and your selected drive type, but for a standard 1,725 RPM electric motor, you will need a 4.0-inch motor pulley combined with a 7.0-inch pump pulley to hit the target 950 RPM for your pump.To determine the exact pulley sizes you need for your specific setup, you use the standard pulley calculation ratio:
pump pulley diameter x pump RPM
Motor Pulley Diameter= ---------------------------------------------------
motor RPM
Use CAT pump oil Sonny's part# 10007486 (2-1/2 gallon) or #10003259 (210z.)
pump pulley diameter x pump RPM
Motor Pulley Diameter= ---------------------------------------------------
motor RPM
Use CAT pump oil Sonny's part# 10007486 (2-1/2 gallon) or #10003259 (210z.)
