Repairing of Hyd. Traction Motor (RH n LH) 02 Nos. Gearbox Assy. 01 No. and Service Control Valve -01 No. of Eimco Elecon make SDL Mc. No.1835 of Bankola Colliery. Repairing of Hyd. Traction Motor (RH n LH) 02 Nos. Gearbox Assy. 01 No. and Service Control Valve -01 No. of Eimco Elecon make SDL Mc. No.1835 of Bankola Colliery.