PMDC Motor L-4570 Series Outline Parameter: Diameter: 45mm; Round Length: 70mm. Technical Parameter: MODEL VOLTAGENO LOADAT MAXIMUM EFFICIENCYSTALLSPEEDCURRENTSPEEDCURRENTTORQUEOUTPUTEFFICIENCYTORQUECURRENTV DCRPMARPMAg.cmW%g.cmAL4570-251252427500.0923650.5943010.4373.730733.66L4570-37591230000.1925801.21456.812.0983.232627.47