Large AC-GPM motors are available in stock ratings of 250-1,000 hp, 2300/4000 V, enclosed fan-cooled (TEFC) and foot-mounted designs. Custom GMP motors are available in 250-1,500 hp, 460, 575, 2300/400-V, TEFC, foot-mounted designs. Stock motors include cast-iron construction, drive-end slinger, insulated opposite drive end bearing, winding RTDs and provisions for bearing RTDs.