8T-4121: WASHER-HARD
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    8T-4121: WASHER-HARD

    Part Number: 8T-4121
    Brand: Cat
    Retrieving Price.....

    Metric

    Cat bolts and matching hardened washers and nuts form a matched system which produces consistently high clamp loads.

    UNITS:
    • US
    • Metric
    • Finish: Zinc Flake
    • Finish Notes: Caterpillar is changing from Zinc Plating to a Zinc Flake finish for many washers. The new coating improves corrosion protection to 720 hours. Until stock of the current finish is depleted, you may receive either finish due to the exhaust process.
    • Hardened: Yes
    • Washer Type: Flat Washer
    telehandler
    TH220B, TL1055D, TH63, TL642D, TH210, TH360B, TH215, TL1255D, TH62, TH82, TH580B, TH355B, TL943D, TH330B, TH460B, TH560B, TH340B, TH350B

    forwarders
    574B, 554, 574, 584HD, 564, 584

    cold planers
    PM-200, PR-1000, PM620, PR-450C, PM-465, PM622, PM-201, PM-565B, PM-102

    asphalt pavers
    AP555FLRC, AP555E, BG-260C, AP355FLRC, AP-1000B, BG1055E, AP1055F, AP-655C, AP500FLRC, AP1055E, AP1000F, AP655F, AP-655D, AP-755, AP-1055B, AP655FLRC, AP-1055D, BG600D, AP300FLRC, AP1000E, BG-2455D, BG655D, AP600FLRC, BG-260D, AP300D, AP-600D, BG1000E, BG-2455C, AP255E, BG-230D, AP-800D, BG-2255C, AP555F, AP300F, BG-240C, AP500F, AP355F, AP-900B, AP600F, AP-300, BG555E, AP-500E, AP-1000D, BG500E

    skid steer loaders
    262DLRC, 272D2XHP, 248B, 262B, 226B3, 236B3, 242DLRC, 226D, 226B2, 226B3LRC, 246DLRC, 236B2, 232B2, 216B3LRC, 252B3, 268B, 272DXHP, 262, 262C2, 242, 262C, 216B2, 272C, 246B, 232DLRC, 232, 272D2, 246D, 272D, 256C, 216B3, 262D, 252, 242B3, 236D, 226B, 252B2, 232D, 246C, 236DLRC, 242D

    track feller bunchers
    2290, 1290T, 2590, 2391, 551, TK752, 2390, 532, 522, 2491, TK721, TK732, 511, 5412, TK722, TK711, 522B, 5522, 521, 552, 521B, TK1051, 541

    track type tractors
    D7E, D7RIIXR, D3GLGP, D6NXL, D6NLGPOEM, D6RIIIXW, D6TXWVP, D9T, D6RLGP, D6RIII, D8T, D6TXW, D4HIILGP, D4K2XL, D6RXL, D3GXL, D5NXL, D5RLGP, D4K2LGP, D11TCD, D7RII, D6TLGPVP, D6RII, D7RLGP, D9R, D6R, D6RIIIXWVP, D6RIIIXL, D4KLGP, D5CLGP, D7R, D5K2LGP, D6TLGP, D6MXL, D8N, D6RIIXL, D4CIII, D6K2XL, D11R, D3K2XL, D6NLGP, D5RXL, D6TXLVP, D4CIIILGP, D6RIILGP, D6TXL, D5CIII, D4GLGP, D6MLGP, D6K2LGP, D3K2SLGP, D6G, D6HIIXR, D6HIIXL, D6KXL, D7RXR, D5KLGP, D5K2XL, D3K2LGP, D6RIIILGPVP, D6K2, D5R2XL, D11T, D3KXL, D3CIIIXL, D9N, D5MXL, D8RLRC, D5KXL, D6RIIILGP, D6GIILGP, D5GLGP, D6T, D5K2SLGP, D6RXR, D4KXL, D6KXLARMY, D5R2LGP, D6RIIIXLVP, D4CIIIXL, D5MLGP, D10T, D6GSR, D6R2, D10N, D7RIILGP, D6RIIXW, D4GXL, D11RCD, D5CIIIXL, D3CIII, D10T2, D7ELGP, D3CIIILGP, D8NNSUC, D4G, D5E, D5NLGP, D6TLGPOEM, D3KLGP, D9RLRC, D11N, D4HIIIXL, D3G, D6ESR2000, D5CIIILGP, D6RXW, D10R, D10T2LRC, D8RII, D5G, D5GXL, D6R2XL, D6R2LGP, D5HIIXL, D6KLGP

    track excavators
    340FLLRE, 318EL, 318FL, 349EVGOEM, 302.7DCR, 326FL, 312DL, 320D2, 302.4D, 304E2CR, 345CLVG, 336FL, 330DLOEM, 330D, 322BLN, 349FLXE, 349D2, 302.5C, 349D2L, 320D2L, 330DL, 321DLCR, 345CL, 329DL, 319DL, 385C, 320D, 330D2L, 314ELCR, 345DOEM, 320EL, 312D, 320DL, 325CL, 328DLCR, 313FLGC, 303ECR, 324DL, 305.5E2CR, 340D2L, 345BIIL, 325L, 314DCR, 322C, 319DLN, 301.8, 349FL, 352FLRE, 335FLCR, 336DOEM, 336EL, 385CFS, 301.5, 320C, 336DL, 322L, 330CL, 324DLN, 305CR, 323DL, 365BLU, 374FL, 325DLOEM, 320DLRR, 308ECR, 320CLRR, 320E, 323D2L, 315DL, 330DMH, 345BII, 308E2CRSB, 303.5, 336D2L, 308ESR, 303.5E2CR, 300.9D, 352FVG, 390FL, 352FXE, 330FL, 305E2CR, 330FLN, 336ELNH, 352FXEVG, 329D2L, 325DL, 312D2L, 365CLFS, 301.8C, 385B, 312D2GC, 312B, 349DL, 323FL, 329FL, 306E, 329DLOEM, 305.5, 374DL, 318D2L, 317, 301.6, 324EL, 336ELH, 325, 320BLN, 349ELVG, 301.4C, 315CL, 313D, 311FLRR, 365CL, 330C, 315C, 385CL, 307E2, 316FL, 323DS, 345CMH, 323DLN, 314CLCR, 320S, 385BL, 349E, 322BL, 316EL, 345C, 325D, 329EL, 308E2CR, 336D2, 345D, 336D2GC, 307BSB, 325C, 318C, 5090B, 307, 320DRR, 315BL, 336DLOEM, 314DLCR, 305DCR, 312EL, 322CL, 315FLCR, 320D2GC, 311DLRR, 305.5ECR, 322CLN, 312CL, 320DLN, 318BLN, 303.5ECR, 320BN, 312F, 320CL, 325FLCR, 336FLNXE, 336D, 345BL, 312C, 318DL, 365BMH, 313D2LGP, 365B, 320DGC, 336FOEM, 336D2XE, 323DLNOEM, 329DLN, 305.5E, 323D, 349EL, 325LN, 390DL, 319CLN, 352F2VG, 324DLNOEM, 350, 5080, 330L, 317BLN, 345DL, 330COEM, 304.5, 336DHVGOEM, 330CLN, 305CCR, 305.5E2, 320ELRR, 320ERR, 340DL, 365BL, 320CLN, 330BL, 336EOEM, 304DCR, 306, 313FL, 345DLVG, 305ECR, 336EHVGOEM, 304CR, 321CLCR, 312BL, 313BCR, 325BL, 308DCRSB, 349DLVG, 349D, 320BS, 336E, 345BMH, 336D2LXE, 336DLN, 314ECR, 301.7DCR, 323DSA, 323EL, 313D2GC, 365BIIL, 301.7D, 320CS, 312E, 308ECRSB, 326D2L, 326D2, 345B, 317BL, 329ELN, 325CCR, 325B, 336FLXE, 345CLVGOEM, 349DOEM, 307CSB, 336FLN, 385COEM, 340FL, 307D, 336FLH, 330CMH, 308DCR, 313D2, 320FL, 304ECR, 315, 375, 330FOEM, 390D, 325BLN, 329D, 330DLN, 320ELN, 303.5DCR, 324D, 318B, 345CVGOEM, 365CMH, 312D2, 304CCR, 308E2, 314CCR, 329D2, 303CCR, 303CR, 390FMHOEM, 345BIIMH, 325DMH, 312, 315D, 323ESA, 365CLOEM, 323DLOEM, 350L, 336EH, 329E, 340D2LOEM, 312FGC, 326DL, 308E2SR, 324E, 336ELN, 320B, 349EOEM, 375L, 305.5DCR, 311CU, 308CCR, 320CU, 325CMH, 306E2, 330BLN, 308E, 326FLN, 303.5CCR, 349D2OEM, 302.2D, 302.5, 320BL, 385CLVGOEM, 320CLU, 330B, 325CLN, 345CLWVG, 307C, 324ELN, 325DLN, 330, 301.6C, 325COEM, 385CLMH, 323ELN, 329EOEM, 307E

    multi terrain loaders
    257, 277, 257D, 247, 287D, 239D, 287C, 299D2, 247B3LRC, 299DXHP, 287B, 259B3, 277B, 277DLRC, 289C2, 299C, 287C2, 259D, 297D, 249D, 267, 239DLRC, 299D, 287, 289D, 247B2, 297C, 249DLRC, 297D2XHP, 277C, 257B3, 257DLRC, 279DLRC, 297DXHP, 287DLRC, 279D, 279C2, 259DLRC, 299D2XHP, 267B, 289C, 297D2, 247B3, 277C2, 289DLRC, 279C, 257B2, 277D

    articulated trucks
    740CEJ, 735B, 740, 730C, 740OEM, 740BEJ, D400E, 725C2, 735C, D350E, 730C2EJ, 745C, 730CEJ, 730EJ, 730OEM, 725C, 740EJ, D350EII, 740B, 725, 725OEM, 730, 735, 730C2, D400EII, D300E, 735OEM, D250EII, D250E

    underground articulated trucks
    AD60, AD45B, AD55B, AD55, AD30

    vibratory single drum smooth
    CS-573E, CS-563E, CS54BLRC, CS54B, CS-563DAW, CS56B, CS78B, CS-423E, CS74BLRC, CS-573D, CS54, CS44, CS-573C, CS-531C, CS-663E, CS74B, CS-533E, CS-433E, CS68B, CS-431C, CS79BLRC, CS74, CS-563CAW, CS64, CS56, CS56BLRC, CS-531D, CS-433C, CS54BOEM, CS-583D, CS64B, CS-683E, CS-323C, CS76, CS64BLRC, CS66B, CS-583C, CS-533D, CS76B, CS78BLRC, CS-533C, CS68BLRC, CS79B, CS-583E, CS-563AW, CS34, CS44B

    underground mining loaders
    R3000H, R2900G, R1300GII, R1300G, R1700G, R1600H, R1600G

    vibratory single drum pad
    CP-533D, CP74B, CP-533E, CP64, CP56B, CP76, CP-433E, CP-663E, CP-323C, CP-533C, CP54B, CP68B, CP44, CP56, CP-433C, CP68BLRC, CP74, CP-563, CP56BLRC, CP-563D, CP34, CP54BLRC, CP74BLRC, CP-573E, CP-563E, CP54, CP-563C, CP44B

    vibratory double drum asphalt
    CB22B, CB54B, CB-214E, CB-564D, CB54, CB24B, CB-534DXW, CB24BLRC, CB-334D, CB-544, CB22BLRC, CB-634C, CB64, CB32B, CB64BLRC, CB-334EXW, CB44B, CB-434C, CB36B, CB-534B, CB14, CB34BLRC, CB34BXWLRC, CB32BLRC, CB-534C, CD44B, CB66B, CB-224C, CB-334E, CB68BLRC, CD54B, CB-334EII, CB34BXW, CD54, CB-224D, CB-534D, CB32, CB-634D, CB34B, CB46B, CB34, CB-224E, CB-434B, CB-214C, CB64B, CB34XW, CB-634, CB22, CB-434D, CB-214D, CB24, CB36BLRC, CB68B

    wheel feller bunchers
    2570D, 563D, 2670D, 573D, TK380, 2670C, 2470C, 573C, 563C, 573, 553C, 543, TK370, HA870, 2570C, HA770

    ag tractors
    MT755, 55, 65E, 75E, MTC855, 85E, 35, MTC735, 65D, 45B, MTC755, MTC865, MTC835, 45, MT765, MT835, MTC845, MT745, 95E, MTC745, MT845, MT865, MT855, 75D, MT735, 55B, 85D, MTC765

    backhoe loaders
    432F2, 434F2, 430EIT, 420FIT, 420F2STLRC, 416F2ST, 416EST, 450E, 428E, 442D, 434E, 434F, 420EST, 442E, 430F2IT, 428D, 416F2STLRC, 430EST, 444F, 420EIT, 432F2LRC, 430F2STLRC, 432F, 424BHD, 416FST, 422E, 428F, 450F, 427F2, 444E, 420F2IT, 444F2LRC, 422F2STLRC, 420F2ST, 430FIT, 416D, 432D, 422F, 430F2ITLRC, 424D, 432E, 446D, 420FST, 430FST, 420D, 415F2ST, 434F2LRC, 428F2LRC, 430F2ST, 424B, 428F2, 444F2, 420F2ITLRC

    hydraulic track drills
    MD5075, MD5125, MD5150C

    brush cutters,industrial,other
    586CLRC, TK371, 2864C, HA771, TK381, 586C, HA871

    stabilizers/reclaimers
    RM500B, SS-250B, RM-350B, RM-300, RM-250C, RM-500, RR-250B

    harvesters
    550, 570, 560B, 580B, 570B, 580, 550B

    knuckleboom loaders
    559C, 2484C, 2384C, 579C, 539

    log loaders forestry
    558LL, 324DFMLL, 325DFMLLA, 538LL, 568LL, 320DFMLLB, 320BLL, 330DFMLL, 330DFMLLA, 320DFMLL, 320D2FMLL, 325DFMLL

    wheel tractor scrapers
    637G, 623E, 613G, 621G, 621K, 623G, 633E, 627E, 627KLRC, 657EPP, 637DPP, 631G, 621F, 627EPP, 627H, 621E, 651E, 621KLRC, 657G, 621H, 637D, 633D, 627G, 637K, 631K, 613CII, 627F, 631KLRC, 621HOEM, 623F, 637KLRC, 627K, 657E, 623B, 615C, 623H, 621B, 631D, 623KLRC, 621KOEM, 631EII, 623K, 621KOEMLRC

    pneumatic tired compactors
    PS-150B, PS-200B, PS-150C, CW34, PS-360B, PF-300C, CW14, PS-500, PS-360C, CW16, CW34LRC, CW16LRC, PS-300C, PF-290B

    track loaders
    933LGP, 933CLGP, 973CLGP, 953D, 933C, 963BLGP, 963CLGP, 933, 963D, 973D, 973C, 963K, 953C, 939, 939C, 963C

    compactors
    825K, 826H, 826G, 836, 836H, 826GII, 826K, 815F, 815FII, 815B, 825H, 825C, 825GII, 836G, 836K, 825G, 816F, 816FII, 826C, 836KLRC

    motor graders
    12HNA, 12H, 160M2AWD, 160M3AWD, 120H, 140M2AWD, 140HNA, 12M2, 120MAWD, 24M, 14M3, 140M, 143H, 160H, 120HNA, 18M3, 12M3AWD, 120K, 163H, 120M, 14M, 16H, 140MAWD, 160M2, 12G, 140M3AWD, 160HNA, 120M2AWD, 120K2, 140M3, 14H, 160MAWD, 12M, 140H, 120M2, 140K, 135HNA, 160M3, 140K2, 12M2AWD, 135H, 160M, 16M, 16M3, 140G, 12M3, 12K, 160K, 140M2, 120G, 14LAWD, 120M2OEM

    large mining products
    6020B, 6015, 6015B, 5110BME, 6030, 6015FS, 6040FS, 5230B, 6018, 6040, 5110BMH, 5110BL, 5130, 5230

    pipelayers
    PL87, PL72, 583R, PL83, 587T, 561M, PL61, 583T, 578, 572R, 587R, 572RII, 561N

    defense and federal products
    DEUCE, 30/30

    forestry excavators
    330CFMHW, 568GF, 322CFMLGP, 320DFMHW, 324DFMLGP, 325CFMHW, 320D2FMGF, 538GF, 320DFMGFB, 325DFMGF, 322CFMHW, 330DFMGF, 320CFMHW, 320CFMST, 320DFMST, 345CFMST, 322CFMST, 320DFMRR, 330CFMST, 324DFMGF, 325CFMST

    skidders
    530B, D4TSKHIII, 545, D4TSKHII, 525C, 527CA, 535B, D5TSKHII, 545C, 527GR, 525B, 517CA, 535C, 525D, 518C, 545DLRC, 528B, 555DLRC, 525DLRC, 517GR, 555D, 545D

    off highway trucks
    793D, 777B, 770GOEMLRC, 793B, 775FOEM, 776D, 770G, 777E2, 773D, 773G, 772GLRC, 793, MT4400DAC, 772GOEMLRC, 777F, 794AC, 777G, 777DHAA, 785C, 784C, 793C, 776C, 797B, 789DXQ, 797FXQ, 777, 773GOEM, 772GOEM, 775E, 785B, 773ELRC, 770GLRC, 777GOEMLRC, 777FOEM, 793F, 769D, 773DLRC, 771D, 777GOEM, 793FAC, 777D, 777C, 775GOEMLRC, 773F, 773FOEM, 795FXQ, 772G, 789D, 784B, MT5300DAC, 775D, 773GLRC, 770, 777GLRC, 789, 775F, 775GLRC, 793FOEM, 772, 789C, 793FXQ, 785D, 785DOEM, 775GOEM, 777DLRC, 775G, 795FAC, 773E, 770GOEM, 797, 793FCMD, 789B, 797F

    combination rollers
    CC34, CB-335EII, CB-225D, CB-335E, CB-545, CB-535B, CB-335D, CC24BLRC, CC34B, CC24B, CC34BLRC, CB-225E, CC24

    industrial loaders
    415F2IL, 414E

    wheel loaders
    906M, 972G, 924K, IT62G, 914K, 907M, 904B, 966G, 908H, 992K, 972GII, 988K, 950G, 962MZ, 950M, 990KLRC, 992G, 950F, 988G, 966GII, 966FII, 993K, 950FII, 950GII, 972H, 902C2, 966M, 928G, IT24F, 903C, 938GII, 970F, 988B, 908M, 982M, 992C, 980KOEM, 907K, 962H, 966H, 938K, 938F, IT38G, 930K, 988H, 966K, 904H, 972M, 960F, 914M, 962M, IT28G, 980M, 980F, 994H, 962K, 950GC, 988KLRC, 980GII, 972K, 972MXE, 988F, 906H, 908H2, 980H, 950K, 906H2, 924HZ, 908, 962G, 962GII, 990H, 966MXE, 924G, 966KXE, 924H, IT14G, 938H, 910F, 980C, 906, 924F, 950MZ, 992KLRC, 930G, 930H, 924GZ, 928HZ, 990, 966F, 938G, 907H, 910G, 986H, 950H, 980G, 906K, 902, 972L, 926M, 980K, IT14B, 907H2, 910K, IT38F, 928GZ, 980FII, IT62H, 992D, 901C2, 903C2, 993KLRC, 962L, IT12F, 936F, 930M, 918M, 914G2, 901C, 908K, 994KLRC, 938M, 910M, IT18F, 994F, IT14F, IT14G2, 966L, 994, 950L, 902C, 928H, IT38H, 966E, 914G, 990K

    wheel dozers
    824H, 834G, 844KLRC, 854G, 824C, 834H, 834K, 844H, 844, 834KLRC, 854K, 814FII, 824K, 824GII, 854KLRC, 814F, 834B, 844K, 824G

    wheel excavators
    M315D2, MH3022, M318D, W345BIIMH, M313D, M330DMH, M318DMH, M318F, M317D2, M322CMH, M325CMH, M325DMH, M322D2MH, M316D, M320D2, M325BMH, M320, M324D2MH, M315C, M320MH, M315D, M325DLMH, M322DMH, M314F, M322D, M322F, M316C, MH3049, M318CMH, M318MH, MH3024, M313C, M318C, MH3037, M322C, M320F, W345CMH, M316F, MH3059, W330BMH, M322D2