40 GMC 2 1/2 Ton 6 x 6

Note:

Positive Ground, 6 volts, 29 Amps

Also fits:

41-42  GMC 2 1/2 Ton 4 x 2   ACKWX 352-353

40-48 GMC Std. CC543(CCK453-454)

41-42 International  K7 2 1/2 Ton 4 x 2   30-33 AMP

40-48 Mack

41 Reo 2 1/2 Ton 4 x 2

41-48 White 21BHHS

49 White – WC 14-16  21XHHS