Fan and generator belt. Tractors: 3010 (to s/n 49999, Gas & LP engine), 3020 (gasoline & LP), 4010 (gas & LP), 4020 (gas & LP), 4230 (gas), 8850. Combines: 3300 (gas), 4400 (gas, to s/n 151500), 6600 (to s/n 105800), 6602 (gasoline, to s/n 163500), 7700 (s/n 2801 & on), 9400, 9500, CTS. Dozers: 550, 550A, 550B. Excavators: 790, 790D, 792, 892DLC. Feller Bunchers: 793D. Skidders: 540 & 540A (s/n 94466 & up). Track Loaders: 555, 555A, 555B.