8T-4121: M10 ID Steel Flat Washer

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Cat®Flat Washer (Clutch,Brake,Transmission)

Brand: Cat

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8T-4121: M10 ID Steel Flat Washer

Cat®Flat Washer (Clutch,Brake,Transmission)

Brand: Cat

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Frequently bought together

8T-4121

3J-1907

3K-0360

View All Parts

Frequently bought together

8T-4121: M10 ID Steel Flat Washer

3J-1907: 1.98 x 11.89mm 90A NBR O-Ring

3K-0360: 2.21 x 16.36mm 90A NBR O-Ring

6V-8397: 1.78 x 9.27mm 90A NBR O-Ring

6V-8398: 1.78 x 12.47mm 90A NBR O-Ring

6V-9746: 1.78 x 18.94mm 90A NBR O-Ring

Diagram

Description

Specifications

Compatible Models

Parts diagram for 8T-4121

Specifications for part number 8T-4121

Units of Measure

Metric

Material:

HARDENED STEEL,Alloy Zinc,Low Alloy Steel

Washer Type:

Flat

Fits Bolt Sizes (in):

3/8

Fits Bolt Sizes (mm):

M10

Coating:

Zinc Flake-Black

Outer Diameter (in):

0.827

Outer Diameter (mm):

Thickness (in):

0.098

Thickness (mm):

2.5

Thickness - 3 (mm):

2.5

Inside Diameter (mm):

Hardened:

Yes

Inside Diameter (in):

0.433

Outside Diameter (in):

0.827

Outside Diameter (mm):

Outside Diameter (OD) - 2 (mm):

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.

Inside Diameter (ID) - 1 (mm):

Finish:

Zinc Flake

Compatible Models for part number 8T-4121

INTEGRATED TOOLCARRIER

IT12 IT28 IT18 IT12B IT14F IT14G IT14B IT62G IT62H IT14G2 IT24F IT28G IT28F IT28B IT62G II IT18F IT18B IT38G II IT38H IT38G IT38F

WHEEL HARVESTER

550B 580B 550 570 580 570B 560B

POWER PACK

PP120

MINI HYD EXCAVATOR

301.7D CR 303.5E2 CR 302.2D 302.4D 302.5C 302.7D 308E2 304E2 304CR 304C CR 305E2 CR 305E 304E 305.5 303ECR 301.8 301.9 301.6 301.5 304SR 305.5D 305.5E 303E CR 301.4C 301.6C 301.7D 301.8C 301.7CR 305E2 304E2 CR 304D CR 305.5E2 CR 304.5E2 306.5 305 CR 308E CR 302.5 300.9D 308E SR 306E2 303C CR 307.5 305C CR 307-A 302CR 308E2 SR 303.5 303.5C 303.5E 303.5D 305.5E2 307D 307C 307B 307E 308E2CR 306E 308E 308D 308C 305.5 GC 303 SR 305.5 CR 308E2 CR 307E2 308E2SR 308.5 303CR 304 305 303 308 309 306 307 305D CR 310 303.5E2 304.5 303.5CR 302.7CR

ROTARY DRILL

MD6310 MD6250 MD6200 MD6380

TRACK FELLER BUNCHER

1190 2491 541 2 2590 TK711 511 522 521 1190T 521B 532 522B 541 551 552 2290 1390 TK732 TK1051 TK722 552 2 TK721 TK752 TK751 TK741 1290T 2390 2391 1090

HARVESTER HEAD

SAT223 SAT214 SAT422DB SAT322T SAT325T SAT323T SAT318T SAT223T SAT322TSC SAT323 SAT325 SAT322 SAT318 HH45 SAT318TSC HH55 HH65 HH44 DE HH75 SAT323TSC

EXCAVATOR

330 L 349D L 320-A L 320-A S 320-A N 324D 324E 320D3 GC 325-A 320D2 320D3 336D2 L 323F 323D 322N 322-A LN 312-A 322B 322C 324E LN 321C 321B 548 325D L 330 LN 558 320GX 374D L 323F OEM OTHER 330C FM 326F 538 325B 336E L 325C 325D 336E H 325F 329D LN 231D M325D MH 318D2 L 324E L 312E L 330 GC 320D RR 345D L 320N 320B 320C 320D 320E 235B 235C 235D 314E LCR 323F L 317 GC 365C 365B 349F LXE 320D LN 312F GC 318B N 325 LN 320D FM RR 336D LN 349 GC 320E L 325D FM 320D GC 315-A L 323D2 L 330C L 320D FM 312D2 GC 313 GX 313 GC 349D2 L E70B 318F L 329D 329E 330-A 317 N 330C LN 325D MH 313F LGC 320D2 L 329D2 330C MH 345C MH 326F LN 345 GC 336D 336E 336F 333 GC 314D CR 335F 336F XE 325C L 330B LN 336 MHPU 311-A M325C 320D LRR 206B 326F L 336D L 312D2 L 350-A L 205B 324D L 320E RR 312D L 322B L 324D FM LL 323F LN 374F 345C L 323D3 323D2 313F GC 315-A 323GC 323E L 336F LN 320E LN 330F 245D 315B FM L 330B 330C 330D 245B 390F L 320 L 365B L M325D L MH 316 GC 336D2 LXE 323F SA MH3295 316 GX 340D2 L 320D L 340MHPU 325C FM 340F L UHD EL240B EL240C 330B L 319D L 325 L 317B L 307-A 330F LN 350 OEM 322-A L 322-A N 318E L 229 325-A LN 336 GC 328D LCR 340F L LRE 325F LCR 320-A 340D L 330F L EL200B 317B LN 329F L 335F LCR 312 GX 312 GC 385C L MH 315F LCR 329D2 L M312 M315 M318 M320 345B II 325B L M315F 215D 375-A L 315D L M317F 374F L 214B E300B M318F 213B 385C FS 345B 212B 345C 345D 307 349F L 385C L 219D 317 315 313 336F L XE 312C L 323E LN 314E CR 320 GX 349D 350 L 320 GC 349E 349F 340F 345B L 330-A L 314D LCR 336F LN XE 323D S 323D L 313F L 326D2 L 385B 385C 211B 365C L 323E SA 345B II MH 336D2 L XE 320C L 325D FM LL 390D 390F 336E LNH 350-A 315 GC 349E L VG 325B LN 349D2 336D2 318D L 568 FM 320B LU 320B LL 313D2 LGP E120B 352 UHD 340 349 345 324D FM 352 350 355 320 326 325 323 329E L 330 335 336 333 323 GX 318D2 323 GC 395 COUPLER 330-A LN 365B II EL300B 324D LN 374 311D LRR 320MHPU 316F L 312E FM538 312F 312B 312C 312D 322B LN 326D L FM548 311B 311C 349E L 330D2 225B 225D 3101 323D LN 352F XE VG 330D FM 224B 312B L 320D2 GC 320D2 FM 330-A L 316F 352F-VG 365C L MH 315B 315C 229D FM558 314C 322-A FM568 313F 330GC 313B 313D 312D2 352F 317-A 320E LRR 336F L 318 GC 325-A L 323D SA 336D2 GC 322 L 330D2 L 317-A N 314F CR E120 336F LNXE 329E LN 320B FM LL 320B S 320B N 320B L 320B U 336E LN 336E LH 325-A FM L 313D2 GC MH3040 390D L 319D LN 326 GC E240C E240B 326D2 320F L 313D2-GC 313D2 326GC 330D L 330D MH 329D L 214B FT 319D 330D LN 320C FM 319C 568 FM LL E110B 318C 318F 322 LN 318B 345D L VG 311F LRR MH3022 MH3024 336D2 XE E200B 315B L 321D LCR 375-A 316E L 322C FM

PUMP POWER END

WSP305 WSP223 WSP273 WSP255

SHOVEL

6040

PAVING COMPACTOR

C13 MARINE CB2.7 CB2.5 MG630 CC2.7 CB-22B

MULTI TERRAIN LOADER

287C2 267B 247B3 297D XHP 277C2 257D 257B 297D 297C 297D2 XHP 247B 287C 287B 287D 297D2 277B 277D 277C 257D3 257B3 267 257 287 277 247

COMPACT TRACK LOADER

279C2 279D3 299D 299C 259D 275 285 255 265 249D3 275XE 289C2 289D3 299D3 XE 259B3 259D3 285XE 279D 279C 299D3 299D2 239D 299D XHP 289D 289C 249D 299D2 XHP 239D3

FLAIL MOWER

HMF210 HMF110

ROTARY MIXER

RM800 RM500B

MULTI PROCESSOR

MP40 MP20 MP15 VT60 VT30 VT40

WORK TOOL

GLK48 550 GRAPPLE 4548 BUCKET RC20 SCARIFIER RC30 GB120

QUICK COUPLER-DWL

CW-40S CW-45S CW-20 CW-30 CW-05 CW-10 CW-70 CW-45 CW-40 CW-20S CW-30S

MARINE POWERTRAIN

C12

COMBINE HARVESTER

460

LOGGING GRAPPLE

GLL60 GLL52 GLL55

PETROLEUM ENGINE

C9 C7 C175-16 C15 C13 C18 C11 C27 C32 3126B 2016 3516C 3516B C280-12 3512E 3512C 3512B

PETROLEUM TRANSMISSION

TH55-E70 TH35-E81 TH31-E61 CX35-P800 CX31-P600-C18I TH55FT-E90 CX48 CX38-P892 TH53-E60 CX38-P800 CX31-P600

SOIL COMPACTOR

CP68B CS76B CS74B CS12 GC CS78B CP56B CS64B CP7 CP5 CS5 825H 825G 825K 825C CP11 CP12 CP13 CP14 CP16 CP17 CS68B CS66B CS11 GC 825 CP44B 815 CP12 GC 815K 815B 815F CS20 CS10 CS11 CS12 CS13 CS14 CS16 CS17 CS19 CS56B CS10 GC CS54B CP13 GC CP74B 815F II CS13 GC CS44B 825G II

DEMOLITION AND SORTING

G306 G308

BACKHOE LOADER

420F2 450E 450F 420XE 414E 416F2 416E 416F 416C 416D 416B 434F2 432F2 426B 426C 428F2 424D 424B 422F 422E 424B2 420D 420E 415F2 420F 426 F2 428F 428D 428E 428B 428C 430D 430E 430F 427F2 438C 438D 438B 424B HD 415 416 426 428 436C 424 420 436B 434E 434F 432E 432F 432D 438 434 436 430 432 444 446 440 450 430F2 442D 442E 446D 446B 444F 444E 444F2 422F2

PETROLEUM GEN SET

G3306B C27 C15 C18 C32 3512B 3512C

WHEEL LOADER

988 XE 986H 986K G926 980XE 988B 988G 988H 988F G916 988K G936 950GC 814K 988F II 907K 972 XE 928HZ 906K 906M 908K 908M 980 XE 980K HLG 924GZ 924HZ 990K 990H 972M XE 938G II 993K 992D 992C 992G 992K 972XE 994F 994D 994K 994H 988GC 950B 950E 950G 950F 950H 950K 950M 950L 918F 966XE 980GC 966F II 962M Z 950M Z 972G II 966M XE 982XE 960F 966 XE 962H 962G 962L 962K 962M 966D 966F 966E 966H 966G 966L 966K 966M 924F 924H 924G 924K 928F 926E 926M 962 928H 928G 966 972 966 GC 986 980 982 950G II 988 995 994 990 993 992 916 980G II 988K XE 926 924 930 936 938 950 982 XE 950B/950E 908 907 906 950 GC 970F 966G II 972G 972H 972K 972M 972L 930G 930H 930K 930M 930R 930T 936E 936F 962G II 938G 938F 938H 938K 990 II 938M 980F II 966K XE 980C 980F 980H 980G 980L 980K 980M 982M 950F II

FORWARDER

554 564 584 574 574B 584HD

INDUSTRIAL TRACTOR

HA771 HA871 TK381 TK371

ARTICULATED TRUCK

D30D D300E II D400E D400D 725 740 745 730 735 725C 730C2 D350E D350D D300E D300D D300B D40D D250E D250D D250B D400E II 725C2 740 GC 730C 735C 735B 735 OEM D20D D250E II D25D D350E II 730 EJECTOR 740C 740B 745C

TRENCHER

T315 T9 T109 T112 T15B T15 T6B T9B

WHEELED EXCAVATOR

M320F W330B W345C MH M318D M318C M318F M314-07 M318C MH M315C M315D M316C M316F M316D M313C M313D M314F M315D2 MH3026 MH3024 M315GC MH3040 M324D2 MH M320D2 M317D2 M322D2 MH M322D MH M314 M315 M322 M320 M318 M319 M316 M317 M330D M325C MH M313-07 M318D MH M323F M322D2 M322F M322D M322C W345B II M325B

ENGINE - INDUSTRIAL

C15 G3512 3516B 3561B CG170-16 3406B 3406C XQ20

PNEUMATIC COMPACTOR

PS-200B PS-300 PS-150C PS-150B PS-300B PS-300C PF-300 PS-500 PF-300C PF-300B CW-16 CW-14 CW34 PS-360B PS-360C CW12 PF-290B CW-34

INDUSTRIAL ENGINE

C6.6 3126B 3304 3306 C-12 C-15 C-10 C-16 3306B 3304B C32 C27 C18 C9.3 3508B 3516B 3516C 3512E 3512B 3512C C9.3B D333C 3196 C4.4 C-9 C11 C13 C15 D330C 3126 3116 3114 3054B 3054C 3512 3516 3508 C7 C9 C32B DG60 C3.6 C3.4 3412E 3412C 3054 3056 C7.1 3456 3176C 3176B C175-16 3412 3406 3044C 3406E 3406C 3408C CG137-08

WHEEL SCRAPER

621G 621F 623G 623F 623E 627G 627F 627E 631G 631E 633E 637K 637E 637G 637D 651E 657G 657E 657B 613C 657

QUARRY TRUCK

777E 775D 775B 773E 771D 771C 772G 770G

SPRAY AR

CAT WDS

TRACTOR

768C 772B 776D 776C 776B 784C 784B

GAS ENGINE

G3304 G3306 G3512H G3512E G3512B G3512J G3516J G3516E G3406 G3516C G3516B G3306B G3304B G3520B G3520J CG137-08 CG137-12 G3612 G3608 G3508J G3508B G3512 G3516 G3508

BLADE

SNOW WING GB124

PUMPER

CPT372 SPP101 SBF214 SPF343 SPF743 SPF343C SUF557

TRANSMISSION-ONHIGHWAY

CX35 CX31 CX28

SHOVEL LOGGER

345C

POWER MODULE

3516B 3516C OEM POWER TR43-C18L XQG135 XQC1200 XQC1600 PM3456 PM3412 PMG3516 XQ35 XQ2280 C32 C18 TR43 PM3508 PM3516 PM3512 TR43-E44

FELLING HEAD

SAT420 HFW222 SAT630 HF201B SS-56 HF222 HF221 HF202 HF201 SH-56B HF181

SITE PREP TRACTOR

586C 2864C

GRAPPLE-ORANGE PEEL

GSH20B GSH9 GSH20 GSH15 GSH15-60

OFF HIGHWAY TRUCK

777G 777E 794 AC 773GC 798 AC 785D 796 AC 789G 789D 772 770 793D 777 775 773 793F 789 785 793 798

PUMP

WS223 WS305 XD WS255 WS273 XD WS223 XD WS223 SS WS255 XD WS255 SS

MOTOR GRADER

135H 120M 2 130G 140M 3 140M 2 12M 3 AWD 16H NA 120H 120G 24 16 14 18 120M 120K 163H 12M 3 12M 2 163H NA 160M 2 160M 3 120H NA 16GC 16M3 140K 2 135H NA 140H ES 12H NA 120H ES 140H NA 160M 3 AWD 24H 24M 160K 160H 160G 160M 140M 3 AWD 14M-3 12H ES 14H NA 120 GC 140M 140K 140H 140G 143H 140 GC 18M3 160H ES 16M 160 16H 16G 14L 150 14M 140 14H 14G 12H 12G 12M 12K 14M3 120 160H NA 120K 2

OEM SOLUTIONS

TR35E44-C9.3BL 3412C

HYDRAULIC SHOVEL

6020 6018 6015 6040 6030 6020B 6015 FS 6040 FS 6060 6030 T4 6030 T2 6015B

KNUCKLEBOOM LOADER

559C 559D 539 2384D 2384C 579C 579D 2484D 2484C

TRANSMISSION-MILITARY

CX28

HAMMER

H130S H45S H35S H180DS H110GC H160S H140CS H140DS H115S 100 130 140 115 H65S H100S H55S H100 H140S B8 B6 B4 B2 B1 160 H160CS H160DS

MARINE ENGINE

3196 C4.4 3126 3116 3516 3512 C18 MARINE 3508 C18 C12 3516B 3516C 3516E 3512C 3512E C280-16 C280-12 C32B 3512B 3126B 3208 C9.3 3306B 3304B 3176C 3176B C32 MARINE 3304 3306 C9 C7 C-12 3408B 3408C 3406B 3406C 3406E C140 3054 3056 C7.1 C32 3412 3054B 3508C 3508B C175-16 3412C 3412E C280-6 C280-8

LOG LOADR FORST MACH

558

EXPANDED MINING PRODUCTS

LD350

FRONT SHOVEL

385C 5080 5090B 235C

ENGINE - GENERATOR SET

3508B C7.1DE200E C3.3DE50E0 C1.5DE13.5

PETROLEUM PACKAGE

CX48-P2300 CX31-P600- TH31-E61 CX35-C18I CX31 TH35-E81 CX31-P600 TH48-E80 TH48-E70 CX35-P800 TH48 TH55 CX31-C11I CX31-C9I CX31-C15I TH31-C9P TH31-C9T TH31-C9I CX31-C13I C18 TH35-C11I CX31-C18I TH35-C13T TH35-C13I TH35-C15T TH35-C15I

ENERGY STORAGE

ETS1500 PGS1260 ECE1500 PGS840 ECE2000 ECE2500 PGS1260 HD

RECLAIMER MIXER

RM400 RM800 RM500B RM-500 RM-250C RM-350B RM-350 RM-300

ENGINE

C175-16 C175-20 3512E 3512B 3512C G3516J G3516H 3516C 3516E 3126E C15 C18 C7.1 MARIN C32B INDUSTRIAL C32 MARINE 3126 C32 INDUSTRIAL C9 INDUSTRIAL C13B G3520 G3520J G3520H C9.3 C27 INDUSTRIAL

LOCOMOTIVE ENGINE

3516C 3516B 3612 3512E 3512C 3512B PR20B C175-16 C175-20 C32 3508B

WATER DELIVERY SYSTEM

777G CAT WDS

COLD PLANER

PM620 PM622 PR-750B PC404 PC406 PC408 PC412 PR-1000 PR-450C PM-465 PC310XD PC305B PC306B PC205B PC306 XD PC412B PC35 PC104B PM820 PM825 PM822 PM-565B PM312 PM313 PM310 PC203 PC204 PC205 PC206 PC210 PC9 PC6 PM-200 PM-201 PC310B PR-1000C PC305 PC306 PC310 PC408B PM-102 PM-565

ELECTRIC ROPE SHOVEL

7495 HF 7495

GEN SET ENGINE

3516B 3512B 3456 3412 3126B 3408 DE1100 G3520 G3508 3056 3054 3508B 3116 3114 3508 3512 3516 3406C 3406E 3406B 3408B 3408C 3608 3606 C13GENSET 3208 3412C 3616 DE800S 3304B 3306B C3.4B POWER SYS G3516C G3516B C15 GEN SE 3306 3304 C-12 C280-16

TRANSMISSION

CX31 HT CX38-P892 TR53 TA22 TR35 CX31-P300 CX31 TR16-C7.1

SHEAR

S3090 S3070 S3050 S3035 S3025 S3015

COMBINE

470 465 460

RIPPER

953B D5 10 977 963 953 943 3 7 6 5 4 8

ROTARY/TRACK DRILLS

MD5075 MD5150C MD6540 MD6640 MD5125 MD5075C

SKID STEER LOADER

226B 226D 252B3 226B3 226D3 272C 272D 232B 232D 236B 236D 216B 270XE 262C2 279D3 272D2 XHP 249D3 236 232 250 236B3 248 246 242 262 260 252 270 236D3 262B 262D 262C 265 262D3 268B 216 228 226 289D3 232D3 272D XHP 252B 256C 272D3 272D2 242B3 242D3 246D3 272D3 XE 242B 242D 246B 246D 246C 248B 216B3

INDUSTRIAL LOADER

415F2 IL

DELIMBER

DLK426 PRE426

WHEEL FELLER BUNCHER

573C 573D 2670C 2670D TK370 TK380 HA870 553C 2570C 2570D HA770 563C 563D 543 533 2470C 573

POWERTRAIN

TR43E44-C13BL TR43M44-C13B TR35E44-C9.3B

ACCESS PLATFORM

THP24S II

STUMP GRINDER

SG16B SG18B SG18 SG16 SG36

QUICK COUPLER-S

S80 S70 S60

GENERATOR

SR500 XQP500 XQP550 SR4 SR5 LC31XX SR4B SR4BHV XQ330 LC51XX

TRUCK ENGINE

3306C 3306B 3126B 3126E 3114 3116 3126 3176 3406E 3406C 3406B 3208 3176B 1673C C-10 C-12 C-15 C-16 3306 C7 C9 C-9 C11 C13 C15

BRUSH CUTTER

MR-244 BR624

GRAPPLE-DEM/SORT

G315 VRG-25/2 G310B VRG-20/2 G315B

WHEEL TRACTOR-SCRAPER

627 623 621 637 632 631 613G 627K LRC 623K LRC 631K 637K 623K 621K 627K 657 651

BUCKET

MACHINE CONTROL & GUID

MINESTARGU

CRUSHER

P315 P360 VHC-30

TRACK SKIDDER

527 517 D4HTSK II D5HTSK II D4HTSK III

ASPHALT COMPACTOR

CB22B CB2.7 GC CB2.5 GC CC2.7 GC CW16 CB8 CB7 CB16 CB15 CB13 CB10

WHEEL SKIDDER

518C 545D 545C 525 518 515 528 545 555D 508 535D 535C 535B 528B 525D 525C 525B 530B

RETROFIT AFTERTREATMNT

TWC DOC DPF SCR

UNDERGROUND ARTICULATED TRUCK

AD22

FORESTRY PRODUCTS

FM528 LL 538 548 558 568 FM528

OEM MOB HYD PWR UNIT

336MHPU

QUICK COUPLER-MWL HPL

PW2503/7 PW2709 PW2708

RENEWABLE ENERGY

BDP1000 BDP250 PGS1260 HD

TOWED SCRAPER

TS185 TS180 TS225 TS220

ASPHALT FINISHER

MF41WD

BROOM-UTILITY

BU115 BU118

PULVERIZER

P365 P215 VHP-30

WATER FORDING TRACTOR

D7R II

BROOM-PICKUP

BP115C BP24 BP25 BP15B BP18B BP118C

WHEEL TRACTOR

623B 623G 623H 623E 623F 621B 621E 621F 621G 621H 627G 627H 627E 627F 631K 615C II 631D 631E 631G 621K OEM 613C II 633D 637G 637D 637E 637K 633E II 651E 611 651 657E 657G 615C

HEX BASED SPL SOLUTION

330D2 320E 352F OEM 330F OEM

HYDRAULIC CONTROL

143 140 48

TRACK LOADER

933C 935C 939C 973C 973D 973K BS3E 931C 963D 963B 963C 963K 953B 953C 953D 953K 963 973 939 933 943 953 931C II 935C II

WHEEL DOZER

834G 834H 834B 834K 834 844 854 824H 824G 824C 824K 814 824 854G 854K 814B 814K 814F 844H 844K 814F II 824G II

LANDFILL COMPACTOR

836 826 826G II 816F II 816 816K 816B 816F 826C 826G 826H 826K 836H 836G 836K

MULCHING HEAD

HM418C HM415B HM415C HM810 HM825 HM416 HM418 HM315B HM315C HM4015 HM912 HM518 HM2615 HM112 HM115 HM215C HM215 MD-250 HM115C HM112C HM315 HM316

AG TRANSMISSION

TA19-M4WD TA19-M2WD TA22-M4WD

GRAPPLE

518 120C G208 125C

TELEHANDLER

RT80 TH337C RT60 RT50 TL1055C TL1055D TH336C TH330B TH460B TH103 TL943 TL1255 TH514D TH514C TH82 TH83 TH1255 TH560B TH340B TH255C RT50SA TL642 TH210 TH215 TH0842 TH306D TH314D TH357D TH220B RT100 TH355B TH3510 TH350B TH3510D TH360B TH357 TL1055 TH408D TH407C TH62 TH63 TH406C TH1055 TL943D TL943C RTC60 TH580B TL642D TL642C TH408 TH414C TL1255C TL1255D TH417D TH417C

COMPACT WHEEL LOADER

920K 906H2 914 910 903 902 901 908 902C2 906 930 938 920 926 910G 910F 910E 910K 910M 907H2 903C2 914K 914M 914G 918M 901C 902C 904H 906H 903D 903C 904B 908M 908H2 906M 907H 907M 908H 914G2 901C2

SOIL STABILIZER

SS-250B SS-250

SNOW WING

BLADE

GRAPPLE-LOG LOADING

GLL55 GLL52 GLL60 GLC85 5055 GLL60B GLL55B GLK55 GLL52B

UTILITY COMPACTOR

CB4.4 CB4.0 CB2.5 GC CC2.7 GC CB1.8 CB1.7 CB2.7 CB2.5 CB2.9 CB2.7 GC CC2.6 CC2.7

ASPHALT SCREED

SE34VT 8-16B AS2252C AS4173 AS4251C AS4252C AS2302C SE60 VT XW SE60 FM 8 FT SE47 FM AS4251 SE60 10-20B SE60VT XW SE47 VT SE60 V XW AS3251C SE60 V SE47 V 10-20WB AS3301C AS2251 AS3143 AS3173 SE34V SE50 VT AS2301 SE50 V

LOGGER

322C 227

BULLDOZER

6 8SU D5C PAT 10SU D5C PATLGP 10U 7S LGP 5A PAT 6SU 7SU 8U 4S 4P 5A 5P 5S 6A 6S 7A 7S 7U 8A 4A

FELLER BUNCHER

FB518

UNDERGROUND ART TRUCK

AE40 AD45B AD60 AD55 AD63 AD30 AD45 AD40 AD22 AD55B AE40 II

UNDERCARRIAGE

OEMS

ON HIGHWAY TRUCK

CT660

DIESEL OXDN CATALYST

DOC

WHEEL SAW

SW360 SW345 SW45 SW60 SW360B SW460B SW380 SW345B SW480 SW460

QUICK COUPLER

QUICK COUPLER FUSION HEX-WEDGE QUICK COUP HCS60 HCS65 HCS70 S50 HCS70H HCS80 PIN GRAB TRS23 TRS10 TRS14 TRS18 QUICK COUPLE

LOAD HAUL DUMP

R1700 II R1300 R1300G II OTHER R1700 XE R1600G R1600H R1600 R2900 R2900 XE R1700G R3000H R2900G R1700 R1300G

MATERIAL HANDLER

MH3022 MH3024 MH3037 MH3032 MH3040 MH3049 MH3050 MH3059 M325D MH MH3250 MH3260 MH3295 M325D L MH TH0642

WINCH

53 56 55 54 59 518 54H 57H 56H 59N 59L 58L

ROTARY CUTTER

RC7 RC10 RC15 RC20 RC50

BACKHOE

D3 BH150 BH160 BH130 BH30W BH30 BH27 931

TRACK-TYPE TRACTOR

D6G2 LGP D3C II D10 D11 D8 GC D3C III D3G D3C D4G D4H D4C D4E D5C D5M D5N D5H D5E D5G D6E SR D6D D6R D6T D6M D6N D6K D6E D6G D6H D7E D4K2 LGP D6N LGP D4E SR D7R XR D6T LGP D3K2 XL D6T XW D6T XL D5C III D8GC D5R XL D7R D7G D7H D8T D8R D8L D8N D9T D9R D9N D6T XW PAT D5K XL D6R LGP D6H II D4K XL D9 GC D7R SERIES D6N OEM D10N D10R D10T D11N D11R D11T D6H XL D6H XR D7R LGP D6T LGPPAT D6K LGP D6R STD D6T XL PAT D4H XL D5K2 XL D7R II D3K LGP D5R LGP D6R II D5R2 D6N XL D6G SR D6 XE D3K2 LGP D4K2 XL D6GC D6R XL D4C III D6K2 XL D6K XL D6G2 XL D6K2 D7E LGP D5K LGP D6R III D6XE D4H III 30/30 D6K2 LGP D6F SR D3K XL D9 D2 D1 D4 D3 D6 D5 D8 D7 D4K LGP D5K2 LGP D5H XL D7G2 D10T2 D8R II DEUCE D4C II

ASPHALT PAVER

AP1055 AP655 BG-240C PE636 AP600 AP500F AP-1000B AP-1000E AP-1000D AP-1000F BG-2255C BG-230D AP500 AP-800D AP-800C AP-800B AP555F AP-200 AP600F AP-1050 BG1055E AP-1000 BG-225C AP555 BG500E BG555E AP-900B AP400 AP300F BG-260D BG-260C AP655F AP-755 BG1000E AP-500E SE47 BG-2455D BG-2455C AP-555E BG-230 AP-200B BG-210B BG600D AP355F AP455 AP-800 AP-1050B AP-600D AP655F L AP-655C AP-655D AP-300D AP-650B AP355 AP-1055B AP-1055F AP-1055D AP-1055E AP-255E AP300 BG655D AP-1200 BG-245C AP1000

THREE-WAY CATALYST

TWC

MARINE AUXILIARY

C32 3508B 3512 3508 3516C 3516B 3512C 3512B

PIPELAYER

578 561N 561M 572R 587T 587R PL83 PL87 PL72 PL61 583T 583R 572R II

STABILIZER MIXER

SM-350

BROOM

BA121 BA118 BP22 BP25 BU121 BU115 BU118 BA30 BA25 BA22

MINING EXCAVATOR

5230B 5130 5110B 5230 5130B

TILT-ROTATOR

TRS23 TRS18 TRS14 TRS10

SHEAR-DEMOLITION/SCRAP

S390 S320 VHS-70 VHS-30 S340B S3035 VHS-40/3 S3025 S3015 VHS-30/3 VHS-50/3 S320B S325B

BROOM-ANGLE

BU115 BU118 BA25 BA30 BA18

GRAPPLE-CLAMSHELL

CTV40

VIBRATORY COMPACTOR

CS-431C CS-68B CP-533D CP-533C CP-533E CS-433E CS-433C CS-433B CS-66B CV119 CV117 CP-663E CS-653 CS-64B CV16B CS-643 CB-66B CB-534C CB-534B CB-534D CB-64B CB-535B CB-634 CB-536D CB-614 CS54B CD-54 CS56B CB-68B CP-44B CV18B CB-34 XW CS-563C CS-563D CS-563E CP44B CS-663E CS-78B CS-323 CS-531D CS-531C CS-79B CP-433C CP-433B CP-433E CP12 CS-76B CS-533C CS-533D CP74B CS-533E CS-74B CP-563E CP-563D CP-563C CS512 GC CB-523B CB-525B CP12 GC CC-34 CB-224D CB-224E CC-24 CB-224B CB-224C CB-225E CB-225D CP-563 CP-54B CS44B CP-56B CP-573E CP76B CP-533 CS-573C CS-573D CS-573E CB10 CS-44B CB7 CB1.8 CB1.7 CS-323C CD-44B CP-64 CP-54 CP-56 CP-44 CP11 GC CP-34 CC4.0 CS12 CS14 CP-76 CP-74 CS78B CB-64 CB-54 CB-564D CB-214E CB-214B CB-214C CB-214D CB-44B CB-434B CB-434D CB-434C CB-434 CB-334E XW CS79B CP-68B CP-643 CS-583E CS-583C CS-583D CP-653 CB-32 CS74B CB-34 CS10 GC CB-24 CB-22 CB-14 CP68B CVP16 CS-56 CS11 GC CS-573 CS-54 CS-56B CS-583 CS-44 CS-34 CS-54B CS-563 CS-533 CS-531 CVP55 CS-423E CP-323C CVP40 CS-76 CS-74 CB46B CS-64 CB-545 CB-544 CB-54B CV16 CB-534 CB-524 CB-523 CB-522 CB-521 CB-525 CV18 CB-634C CB-634D CB4.0 CB4.4 CD-54B CS7 CB-334E CB-334D CP-323 CB-335E CB-335D CP7 CS68B CP54B CP-74B CVP75 CVP110 CS-683E CP56B

TECHNOLOGY

AUTOGUIDNC

MOBILE HYD POWER UNIT

330D L 329D L 323D LN 330D2 349D L 329E 330 MHPU 349E L HVG 325C 325D 385C 350MHPU 352FMHPU 323F OEM TH43-C18 336F 336D 336E 330F 330D 330C 323D L 365C L 390F 330FMHPU 385C L 336D L 349E C7.1 345D 345C 336E HVG 324D LN 349D2 345C L 336FMHPU 340D2 L 325D L

POWER PACKAGE

C7 C32

GENERATOR SET

DE55GC G3520 G3516 G3512 DE200GC DE33GC G3508 3508 3412C D1500 XQ1140 D500GC C7.1 GEN C13GENSET DE605GC DG500 3516 3512 D300GC XQ425 DE600SGC 3516C GEN G3516B G3516C D1000 G3516E C7.1DE150E0 D600 GC G3516H 3508B C4.4 D450GC C3.3 GEN S DE1250S XQP300 C18 I6 XQP310 C4.4DE55E2 DE50GC D250GC G3512E G3512H C13 XQ375 C18 GENSET XQ35 C4.4 GEN S C4.4DE110E C13 XQ350 XQ60 DE450GC 3412 CG137-12 C3.3DE50E0 C3.3DE50E2 C32 GENSET DG200 CG137-08 3456 DE1500 DE400SGC C18 GEN SET DG125 DE1000S DG100 C7.1 DG175 3056 3054 DE165GC DG150 DG50 DG40 DG45 DG30 C3.4 C3.3 G3520C G3520B G3520E G3520H G3520K 3512C 3512B DE500GC DG80 DG70 C3.3DE33E3 DG60 G3306B C3.3DE33E0 3516C 3516B 3516E XQP115 DE1400 DE500 XQP150 3304B G3306 C7.1DE150E DE88GC DE220GC D20 D25 XQ230 D30 D400GC XQ20T4F XQP60 DE660GC XQP20 XQP30 C18 GEN SE C6.6 D1250 D550GC C9 C7.1DE200E 3516B GEN C2.2 D350GC 3306B DE450SGC C4.4DE88E0 C4.4DE88E3 XQP100 G3406 DE630 DE65GC G3412 DG400 C15 GENSET C32 GEN SET DE715GC C6.6DE150E C18 C15 DE110GC C13 C15 I6 DE550GC C18 MARINE GS C1.1DE9.5 DG450 C9.3 C2.2DE18E3 C9 GEN SET C175-16GENSET DG350 SR5 C27 DE350SGC XQ330 C32 D800 C7.1 GEN S C15 GEN SE DE400GC C175-20 DE500SGC C175-16 G3412C DE1250 3408C XQP200 C2.2 GEN S 3406C C1.1 3406E C4.4DE65E3 C1.5 DE150GC C4.4DE110E2

FORK

FORK-NURSE

BOX BLADE

BB121 BB124

EJECTOR TRUCK

730C 740B D400E II 730C2 EJ 740 730

MACHINE CNTRL & GDNC

CMD FOR CMD STATN COMMAND CPM KIT

MULCHER

HM4815 HM5515

FOREST PRODUCTS

OTHER

COMBAT VEHICLE ENGINE

C13

ROAD RECLAIMER

RM600 RM500 RR-250 RM800 RR-250B RM400 RM500B RM-350B

ENGINE - MACHINE

3516C C-12 C9 3304 C6.6 C3.4B C32 3116 3114 C27 C4.4 C-9 3208

CHALLENGER

55 65 75 MT765 MT755 MT745 MT735 MT700 35 95E 45 85C 85E 85D MTC855 MTC865 MTC835 MTC845 75D 75C 75E 70C MTC735 MTC745 MTC755 MTC765 MT865 MT855 65C 65B 65E 65D MT845 MT835 MT800

BOOM

120C

OFF-HIGHWAY TRUCK

D10R

BATTERY CHARGER

MEC500

TRUCK

793F XQ 775G 775F 775E 775D 777C 777B 777D 777G 777F 775G OEM 785 789 793 797 770G 795F XQ 772G 773E 773D 773G 773F 773B 772 770 777 794 AC 772G OEM 769D 769C 795F AC 793F AC MT4400D AC 773G LRC 793F OEM 793D 793B 793C 793F 797F 797B 775G LRC 793F CMD 789C 789D 789B 770G OEM 69D 785G 773G OEM 785C 785D 785B

SNOW BLOWER

SR321 SR318 SR421 SR418 SR121 SR115 SR117 SR118

QUICK COUPLER-MWL

QUICK COUPLER

COMPACTOR

CB8 CB7 CC-34B CB10 CB13 CB15 CB16 CB-24B CB-22B CB-34B XW CB-36B CB-34B CB-32B CD10 CCS7 CCS9 CC-24B CD8

Compare Alternate Parts

8T-4121: M10 ID Steel Flat Washer

Fits Bolt Sizes (in)

3/8

Outer Diameter (in)

0.827

Thickness (in)

0.098

Description

Cat®Flat Washer (Clutch,Brake,Transmission)

606-0849: Washer Kit - Small Sizes

Fits Bolt Sizes (in)

5/16, 3/8, 1/2

Description

Washer Kit: 6 Sizes, 6 Assorted Thicknesses, 9 Part Numbers, 150 Pieces, Hard Washers, Zinc Flake Coating

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Key

Factory Fit

This part is designed to fit your Cat equipment based on the manufacturer’s specifications.

Any changes to the manufacturer’s configuration might result in the product not fitting your Cat equipment. Please consult your Cat Dealer before purchasing to ensure that this part is appropriate for your Cat equipment in its current condition and assumed configuration. This indicator cannot guarantee compatibility for all parts.

Remanufactured

Non-Returnable

Kit

Replaced

Remanufactured

Non-Returnable

Kit

Replaced