Gear Motors: NORD # SK573.1-90L4BRE40IGHL; NORDBLOC 1; SK 573.1 GEARBOX; INTEGRAL 2HP MOTOR 90L/4; 95 RPM OUTPUT SPEED; 17.42:1 RATIO; 1-1/4" SOLID KEYED SHAFT; TEFC; BRE40 IP55 BREAK; INCREMENTAL OPTICAL ECODER 1024PPR / TTL(5VDC) / 4-6VDC SUPPLY / QUAD / DIFF / MAR