procurement of spares for premium transmission make gear boxes of various clarifiers installed in dm plant at 2x600 mw , sstpp , mppgcl , dongalia , gearbox type o . no . - 160911 type u-400 wheel rim thickness- 14 mm ratio- 60:1l rubber thickness-52 mm sr . no . - 2bf . 135299 arm bearing- 22215 ckw 33c3 gearbox oil seal 35-47-7 traxol lubricant , worm shaft , worm wheel , wheel shaft , casing , oil seal set , fan , cowl , gearbox type o . no . - 161113 type u-400 ratio- 70:1r sr . no . - 2bf . 149564 , worm shaft , worm wheel , wheel shaft , casing , oil seal set , fan , cowl , gearbox type o . no . - 160411 type u-500 ratio- 70 / 1 ry sr . no . - 6b57451 , worm shaft , worm wheel , wheel shaft , casing , oil seal set , fan , cowl , gearbox type o . no . - 160112 type a 200 ratio- 15 / 1 ld24 sr . no . - 6r 79204 , worm shaft , worm wheel , wheel shaft , casing , oil seal set , fan , cowl , bridge agitator gearbox sbc-238 / 25 . 64 / 300-38 duro drive sr . no . 1102-9018677 / 78 , transmission shaft ( input shaft ) , pinion , wheel , third gear , 2nd reduction shaft , output shaft