CTP forged steel cranks are cost effective and strong. With new forging and machining technologies, CTP offers some of the best crankshafts available on the market today. All CTP crankshafts are forged steel, core hardened and tempered to reduce stress and optimize tensile strength. Our crankshafts are designed to meet original tolerances giving you the most precise best base for your bottom end rebuild.


Part No.DescriptionEngineApplication
6211-31-1010CRANKSHAFT ASS'Y6D140, S6D140E, S6D140E-2, SA6D140, SA6D140A, SA6D140E, SAA6D140E, SDA6D140EKOMATSU DCA, WA500
3264278CRANKSHAFT AS3176C, C-10, C-12140H, 143H, 14H, 160H, 163H, 345B, 345B II, 345B II MH, 345B L, 572R II, 65E, 725, 75E, 814F, 815F, 816F, 966G II, CPT372, D7R II, R1600G, R1700G, TK1051, W345B II


1W5009CRANKSHAFT W/GEAR3408, 3408B, 3408C, 3408E589, 631D, 631E, 631G, 633D, 633E II, 637D, 637E, 637G, 639D, 657E, 69D, 768C, 769C, 769D, 771C, 771D, 834B, 836, 988B, 988F, 988F II, AD40, AD45, AE40, AE40 II, CG137-08
1W6209CRANKSHAFT W/GEAR3408657E, 988B
1W9771CRANKSHAFT3204215, 916, 926, 931B, 943, 953, D4HTSK II
1070992CRANKSHAT AS FORGED3046933, 939, 939C, D3C III, D3G, D4C III, D4G, D5C III, D5G
1172830CRANKSHAFT AS3046315, 315B, 315C, 317B LN, 318B, 933C, 939C
1253005CRANKSHAFT W/GEAR3066318C, 319C, 320, 320B, 320B L, 320C, 320C FM, 320C L, 320D, 320D LRR, 320N, 321B, 321C, 323D L, 323D LN
1352419CRANKSHAFT3064311B, 311C, 312B, 312C, 312C L, 314C
1601799CRANKSHAFT W GEAR3406E, C-15, C-16, C15824C, 824G, 824G II, 825G II, 826G II, AD30, MTC835, R2900G
1694187CRANKSHAFT3176C, C-10345B, 480, 75D, 966G II, D7R II, R1600, R1600G
1694189CRANKSHAFT W/GEARC-1285D, 972G II
1894918CRANKSHAFT W/GEARC-18, C1824M, 385C, 385C FS, 385C L, 385C L MH, 390D, 390D L, 631E, 631G, 633E II, 637E, 637G, 657E, 657G, 772, 834H, 836H, 988H, AD45B, AD55, D9T, PM-200, PM-201
2W4088CRANKSHAFT A W/GEAR3412, 3412C, 3412E, G3412, G3412C24H, 651E, 657E, 773B, 773D, 775B, 775D, 844, 990, 990 II, 992C, 992D, D10N, D10R, D9L, PR-1000, PR-750B, SCT673, SPS342, SPT342
2327400CRANKSHAFT3054C414E, 416D, 416E, 420D, 420E, 422E, 424D, 428D, 428E, 430D, 430E, 432D, 432E, 434E, 442D, 442E, 444E, 914G, AP-300, AP-300D, AP-650B, AP-800D, C4.4, CB-434D, CB-534D, CB-564D, CD-54, CP-433E
2611544CRANKSHAFT W/GEARC-912H, 140M, 140M 2, 160M, 160M 2, 2290, 2390, 2391, 2491, 2590, 330C, 330C FM, 330C L, 330C MH, 330D, 330D FM, 330D L, 330D LN, 330D MH, 336D, 336D L, 336D LN, 336D2, 336D2 L, 340D L, 340D2 L, 511
2715658CRANKSHAFT W/GEAR3116, 3126, 3126B, 3126E120H, 120H ES, 120H NA, 120K, 120K 2, 12K, 12M, 135H, 135H NA, 140G, 140K, 140K 2, 140M, 160K, 214B, 30/30, 320B, 322B L, 322B LN, 322C, 322C FM, 324D, 324D FM, 324D FM LL
3133996CRANKSHAFT GEAR INCLUDEDC1114M, 725, 730, 966H, C11, R1600H, R1700G, RM-300, TH35-C11I
3133997CRANKSHAFT W/GEARC1316M, 345C, 345C L, 345C MH, 345D, 345D L, 345D L VG, 349D, 349D L, 621H, 621K, 623H, 623K LRC, 627H, 627K LRC, 730, 730C, 972H, 980C, 980K, 980K HLG, C13, C13 XQ350, CX31-C13I, D8N, TH35-C13I, TH35-C1
3216442CRANKSHAFT3304, G3304120G, 130G
3348389CRANKSHAFT W GEAR3306, 3306B12G, 12H ES, 12H NA, 140G, 140H, 140H ES, 140H NA, 143H, 14G, 14H NA, 160G, 160H ES, 160H NA, 163H NA, 1673C, 330, 350, 528B, 530B, 615C, 627E, 627F, 637E, 815B, 966F, 966F II, 970F, 972G
3370201CRANKSHAFTC15374F L, 735B, 740B, TH35-C15T
3370872CRANKSHAFTG3304, G3304B120G, 130G, 3304, 3304B, 515, 517, 518C, 525, 527, D4H, D4H XL, D4HTSK III, D5HTSK II,
3442603CRANKSHAFT3306, 3306B, 3306C12H, 12H ES, 12H NA, 140G, 140H, 140H ES, 140H NA, 143H, 14H NA, 160H, 160H ES, 160H NA, 163H NA, 235B, 330, 330B L, 350, 545, 572R, 611, 615C, 627B, 627F, 627G, 637E, 637G, 814F
3642828CRANKSHAFT3054, 3054B312B L, 312C, 416B, 416C, 416D, 420D, 426C, 428B, 428C, 430D, 436C, 438C, 908, 914G, CB-434B, CB-434C, CB-535B, CB-544, CB-545, CP-433C, CS-323C, CS-431C, IT14G, M312, M315, PS-150B
3645145KIT WASHERC7.1120M 2, 2384C, 2484C, 2570C, 2670C, 312E, 312E L, 314E CR, 314E LCR, 316E L, 318E L, 320D2, 320D2 GC, 320D2 L, 320E, 320E L, 320E LN, 320E LRR, 320E RR, 323D2 L, 323E L, 324E, 324E L, 324E LN, 329E
3849906CRANKSHAFT3412, 3412C, 3412E24H, 5110B, 651E, 657E, 773B, 773D, 773E, 775D, 775E, 844, 990, 990 II, 992C, C30, D10N, D10R, D9L, G3412, PM3412, PR-1000, SPS342, SPT342
4N7692CRANKSHAFT W/GEAR-FORGEDG3304120G, 130G, 215, 215B, 215C, 225, 225D, 229D, 3304, 518, 920, 930, 936, 941, 950, 950B, 950B/950E, 951B, 955K, 955L, 963, CB-534, D4D, D4E, D5H, E240, FB518, G936
4N7693CRANKSHAFT W/GEAR-FORGED3306, 3306B120B, 12G, 140G, 14G, 160G, 1673C, 235, 235B, 235C, 528, 561C, 561D, 571G, 572G, 615, 615C, 627B, 637D, 639D, 814, 814B, 815, 815B, 816, 816B, 966C, 966D, 973, 977K, 977L, 980B, D250B
6I1453CRANKSHAFT A W/GEAR3406, 3406B, 3406C, 3406E16G, 16H NA, 245B, 375, 375 L, 5080, 578, 583R, 587R, 621E, 621F, 621G, 623E, 623F, 623G, 627B, 627E, 627F, 627G, 657B, 814B, 824C, 824G, 825G, 826C, 826G, 980C, 980F, 980G
7C4859CRANKSHAFT W/GR-FORGED3406, 3406B, G340616G, 578, 621E, 623E, 627E, 814B, 826C, 980C, SS-250
8M4505CRANKSHAFT STDD330A955H, 955K, D4D
9M2337CRANKSHAFT1673, 1673B, D333A561B, D333A
9N6221CRANKSHAFT W/GEAR3208225, 3208, 613B, 613C, FB221, PR-1000, PS-500
6127-31-1012CRANKSHAFT W/GEARS6D155, SA6D155
6211-31-1010CRANKSHAFT W/GEARS6D140, S6D140E, SA6D140, SA6D140A, SA6D140E, SAA6D140E, SDA6D140E6D140, DCA, WA500

* Other part no. not included in the list are available. Please contact your sales representative if you have any questions. Part Numbers are used for reference purposes only. Komatsu® is the registered trademark of Komatsu Ltd.