4B1281 Machine Screws – Flat Head

4B1281 is a flat-head machine screw for Caterpillar equipment. This is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).

Fitment

• Articulated trucks: D25C, D30C, D350C, D35C
• Excavators: 225, 245, 320D, 320D FM, 320D FM RR, 324D FM, 324D FM LL, 325D FM, 330D FM, 568 FM LL
• Industrial engines: 3208, D320A, D348, D379, D398
• Industrial tractors: HA771, HA871, TK371, TK381
• Landfill compactors: 826B
• Motor graders: 120H, 120K, 120K 2, 12E, 12H, 12K, 135H, 140H, 140K, 140K 2, 143H, 14H, 160H, 160K, 163H, 16H
• Pipelayers: 561B, 561C, 561D, 571G, 572G, 578, 583R, 587R, 589
• Track feller bunchers: 1090, 1190, 1190T, 1290T, 1390, 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 loaders: 931B, 931C, 931C II, 933, 935C, 939, 955H, 955L, 963, 977D, 977H, 977L
• Track-type tractors: D3B, D3C II, D3C III, D4C, D4C II, D4C III, D4E, D5, D5B, D5C, D5C III, D5E, D6D, D6E, D6F SR, D6G, D6G SR, D6G2 LGP, D6G2 XL, D7G, D7G2
• Tractors: 772B
• Trucks: 769, 773B
• Wheel dozers: 814, 824
• Wheel feller bunchers: 533, 543, HA770, HA870, TK370, TK380
• Wheel loaders: 920, 950, 966C
• Wheel skidders: 515, 525, 525B, 535B, 545
• Wheel tractors: 621, 621B, 637D

Specifications