THIRD GEAR (TRACTION MOTOR) CENTER (SUN) GEAR, 24 TEETH, CAT 320C/C-FM 320D/D-FM/D-FMRR/D2-FM 322C/C-FM 323D-S/D-SA 323E-SA 323F-SA 324D/D-L/D-LN 324E/E-L/E-LN 325C/C-FM/C-L 325D/D-L/D-MH 326D-L/D2/D2-L 326F/F-L/F-LN 329D/D-L/D-LN/D2/D2-L 329E/E-L/E-LN 329F-L 330/GC 330D2/D2-L 330F/F-L/F-LN 538