A decoking assembly comprising: a coke cutting tool configured to receive a cutting fluid from a high pressure fluid source; and an apparatus for moving said coke cutting tool within a decoking drum, said apparatus comprising: a rigid member configured to be coupled to a support structure such that the rigid member extends a sufficient height above said drum to permit a range of vertical movement of said cutting tool substantially therethrough; and a motorized system configured to selectively raise and lower said cutting tool, said system comprising: a crosshead defining a connection to said cutting tool and movably cooperative with said rigid member; a plurality of pulleys (260, 360) secured to said rigid member, each configured to rotate about an axis; a plurality of non-metallic belts (255, 355), each cooperative with rotational movement of a respective one of said pulleys and secured at one end to said crosshead; at least one counterweight secured to an opposing end of a respective one of said belts (255, 355); and at least one motor statically mounted to said rigid member, said at least one motor configured to impart rotational movement to said pulleys such that said belts (255, 355) selectively raise or lower said crosshead relative to said rigid member. a coke cutting tool configured to receive a cutting fluid from a high pressure fluid source; and an apparatus for moving said coke cutting tool within a decoking drum, said apparatus comprising: a rigid member configured to be coupled to a support structure such that the rigid member extends a sufficient height above said drum to permit a range of vertical movement of said cutting tool substantially therethrough; and a motorized system configured to selectively raise and lower said cutting tool, said system comprising: a crosshead defining a connection to said cutting tool and movably cooperative with said rigid member; a plurality of pulleys (260, 360) secured to said rigid member, each configured to rotate about an axis; a plurality of non-metallic belts (255, 355), each cooperative with rotational movement of a respective one of said pulleys and secured at one end to said crosshead; at least one counterweight secured to an opposing end of a respective one of said belts (255, 355); and at least one motor statically mounted to said rigid member, said at least one motor configured to impart rotational movement to said pulleys such that said belts (255, 355) selectively raise or lower said crosshead relative to said rigid member. a rigid member configured to be coupled to a support structure such that the rigid member extends a sufficient height above said drum to permit a range of vertical movement of said cutting tool substantially therethrough; and a motorized system configured to selectively raise and lower said cutting tool, said system comprising: a crosshead defining a connection to said cutting tool and movably cooperative with said rigid member; a plurality of pulleys (260, 360) secured to said rigid member, each configured to rotate about an axis; a plurality of non-metallic belts (255, 355), each cooperative with rotational movement of a respective one of said pulleys and secured at one end to said crosshead; at least one counterweight secured to an opposing end of a respective one of said belts (255, 355); and at least one motor statically mounted to said rigid member, said at least one motor configured to impart rotational movement to said pulleys such that said belts (255, 355) selectively raise or lower said crosshead relative to said rigid member. a crosshead defining a connection to said cutting tool and movably cooperative with said rigid member; a plurality of pulleys (260, 360) secured to said rigid member, each configured to rotate about an axis; a plurality of non-metallic belts (255, 355), each cooperative with rotational movement of a respective one of said pulleys and secured at one end to said crosshead; at least one counterweight secured to an opposing end of a respective one of said belts (255, 355); and at least one motor statically mounted to said rigid member, said at least one motor configured to impart rotational movement to said pulleys such that said belts (255, 355) selectively raise or lower said crosshead relative to said rigid member.