SPEED UPGRADE: This AMD DC motor is mapped to provide a slight upgrade in speed over stock motors for non-lifted Club Car DS models MADE TO FIT: Simply swap in place of your old motor, this 10-Spline AMD speed upgrade motor that will fit 36-volt / 48-volt Series Wound Club Car Golf Cart Models 1990-2011 MOTOR SPECS: 36-48 Volt; 3.5 HP @ 3000 RPM / 4.7 HP @ 4,200 RPM, Measures Approximately 8.5” Long x 6.75” Wide, Weighs 42# FITMENT NOTE: Not for use on golf carts with lift kits and/or large tires; not compatible with Powerdrive Plus, IQ, or i2 Excel systems. Must be used with a solid-state controller. REPUTABLE QUALITY FROM THE TOP MANUFACTURER: Replaces OEM 1012191 and GE D377 Buggies Unlimited Offers a 3.5 HP to 4.7 HP with rated RPM between 3,000 and 4,200 Replacement Stock Series Motor for 36-Volt or 48-Volt Club Car DS Golf Cart Models Between 1990 - 2014. The replacement motor features copper coils and 10-spline steel shaft for precise installation. Not for use on golf carts with lift kits and/or large tires; not compatible with Powerdrive Plus, IQ, or i2 Excel systems. Must be used with a solid-state controller.