8T0644 Hex Head Bolts

8T0644 hex head bolts are used on equipment manufactured by Caterpillar, including construction machinery, engines, generators, tractors, trucks and related industrial equipment. This is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).

Fitment

• Articulated truck: 725, 730, 730C, D250D.
• Asphalt paver: AP-1000, AP-1000B, AP-1050, AP-1055B, AP-1055D, AP-755, AP-900B, BG-2455C, BG-2455D, BG-245C, BG-260D.
• Backhoe loader: 446, 446B, 446D.
• Challenger: 35, 45, 55, MTC735.
• Cold planer: PM-102, PM-201.
• Ejector truck: 730, 730C.
• Excavator: 205, 205B, 206, 206B, 211B, 212, 212B, 213B, 214B, 224B, 316E L, 320 L, 320B, 320N, 322, 322B L, 322B LN, 322C, 322C FM, 324D, 324D FM, 324D FM LL, 324D L, 324D LN, 325, 325 L, 325 LN, 325B, 325B L, 325C, 325C FM, 325D, 325D FM, 325D FM LL, 325D L, 325D MH, 326D L, 328D LCR, 329D, 329D L, 329D LN, 330, 330 L, 330C, 330C FM, 330C L, 330C MH, 330D, 330D FM, 330D L, 330D LN, 330D MH, 336D, 336D L, 336D LN, 336D2, 336D2 L, 336E, 336E H, 336E L, 336E LH, 336E LN, 336F L, 340D L, 340D2 L, 345C, 345C L, 345C MH, 345D, 345D L, 345D L VG, 349D, 349D L, 349E, 349E L, 349E L VG, 349F L, 374F L, 390F L, 568 FM LL, E200B, M325D L MH, M325D MH.
• Forwarder: 574, 584.
• Gen set engine: 3126B, 3408B, C-12.
• Generator set: C13, C13 XQ350, C175-16, C175-20, C27, C32, C9.
• Industrial engine: 3114, 3116, 3126, 3126B, 3176B, C-9, C11, C13, C15, C18, C7, C9, C9.3.
• Industrial tractor: TK371, TK381.
• Integrated toolcarrier: IT12B, IT24F, IT28F, IT28G, IT38F, IT38G, IT38G II, IT62G, IT62G II, IT62H.
• Knuckleboom loader: 539. Landfill compactor: 816F II.
• Load haul dump: R1600H, R1700G. Locomotive engine: C175-16.
• Logger: 322C. Marine auxiliary: 3516C.
• Marine engine: 3116, 3126, 3126B, 3196, C-12, C12, C140-16, C175-16, C7, C9.
• Mobile hydraulic power unit: 324D LN, 325C, 325D, 325D L, 329D L, 330C, 330D, 330D L, 336D L, 336E, 336E HVG, 345C L, 349D L, 349E, 349E L HVG.
• Motor grader: 120H, 120H ES, 120H NA, 120K, 120K 2, 120M, 120M 2, 12H, 12K, 12M, 12M 2, 12M 3, 12M 3 AWD, 135H, 135H NA, 140G, 140K, 140K 2, 140M, 140M 2, 140M 3, 140M 3 AWD, 14M, 160K, 160M, 160M 2, 160M 3, 160M 3 AWD, 16M, 24H.
• Petroleum engine: C11, C13, C15, C175-16, C7, C9.
• Petroleum package: CX31-C13I, CX31-C9I, TH35-C11I, TH35-C13I, TH35-C13T, TH35-C15T.
• Petroleum transmission: TH31-E61. Pipelayer: 561M, 561N, 583T, PL83.
• Pumper: SBF214, SPP101, SUF557. Reclaimer mixer: RM-300.
• Shovel logger: 345C. Site prep tractor: 2864C, 586C.
• Soil compactor: 815B, 815F II.
• Track feller buncher: 2290, 2390, 2391, 2491, 2590, 511, 521, 521B, 522, 522B, 532, 541, 541 2, 551, 552, 552 2, TK1051, TK711, TK721, TK722, TK732, TK741, TK751, TK752.
• Track loader: 953C, 963B, 963C, 973C, 973D.
• Track-type tractor: 30/30, D10T, D11T, D5M, D5N, D6M, D6N, D6R, D6R II, D6R III, D6R STD, D6T, D6T LGP, D6T LGPPAT, D6T XL, D7E, D7E LGP, D7R II, D7R XR, D8N, D8T, D9R, D9T, DEUCE.
• Truck: 793F, 793F AC, 793F CMD, 793F OEM, 793F XQ, 795F AC, 795F XQ, 797, 797B, 797F.
• Truck engine: 3114, 3116, 3126, 3126B, 3126E, 3176, 3176B, 3406E, C-10, C-12, C-15, C-16, C-9, C11, C13, C15, C7, C9.
• Underground articulated truck: AD45B, AD55.
• Vibratory compactor: CB-434, CB-634C, CB-634D, CP-563, CS-531C, CS-531D, CS-533C, CS-533D, CS-563C, CS-563D, CS-573C, CS-573D, CS-583C, CS-583D.
• Wheel dozer: 814F II, 844K, 854K.
• Wheel feller buncher: 533, 543, 573, TK370, TK380.
• Wheel harvester: 550, 570, 570B, 580, 580B.
• Wheel loader: 918F, 924F, 928G, 938F, 938G, 938G II, 950F, 950F II, 950G, 950G II, 950H, 960F, 962G, 962G II, 962H, 966G II, 966H, 972G II, 972H, 980C, 980K, 980K HLG, 980M, 982M, 990K, 992K, 994F, 994H.
• Wheel scraper: 627G, 637D, 637E, 637G. Wheel skidder: 525B, 525C, 528B, 530B, 535B, 535C, 545C.
• Wheel tractor: 613C II, 621H, 623H, 627H, 637G.
• Wheel tractor-scraper: 621K, 623K, 623K LRC, 627K, 627K LRC.
• Wheeled excavator: M312, M315, M318, M320, M325B, M325C MH, M330D, W345C MH.

Specifications