ENGINE BRAKE CONTROL CABLE COMPATIBLE MTD TECHNICAL SPECIFICATIONS MODELS 478 SP, BT 5300 M, GES 53, GES 53 E, GES 53 I, HBM 53, RD-21, YM 6021 E, YM 6021 S CASING LENGTH 1110 mm TOTAL LENGTH 1280 mm CODE: 27270489 ORIGINAL CODE: 746-0551 , 946-0551 SR