Traction Motor Type HS 15250A with Earth Brush Assembly ( without axle, suspension unit & gear case assembly ) as per CLW Spec. No. 4T. CLW/ TM/ HITACHl- 15250 A, Alt- 6 and Pinion 23 teeth for Traction Motor HS 15250A to RDSO Drg. No. SKDL- 4356 Alt- B & RDSO Spec. No. MP. 0- 2800- 09, Rev. 2 of June 2005 for WAP- 4 AC Electric locomotives.