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HomeGround Engaging ToolsGround Engaging Tool Hardware & RetentionGround Engaging Tool Washers3B-4508: Internal Diameter 12.75mm Lockwasher
HomeGround Engaging ToolsGround Engaging Tool Hardware & RetentionGround Engaging Tool Washers3B-4508: Internal Diameter 12.75mm Lockwasher
3B-4508: Internal Diameter 12.75mm Lockwasher

Cat® Lockwasher for use in 1/2 Inch, M12 Thread Fastener

Brand: Cat

Product Images
3B-4508: Internal Diameter 12.75mm Lockwasher
3B-4508: Internal Diameter 12.75mm Lockwasher
3B-4508: Internal Diameter 12.75mm Lockwasher
3B-4508: Internal Diameter 12.75mm Lockwasher
3B-4508: Internal Diameter 12.75mm Lockwasher

Cat® Lockwasher for use in 1/2 Inch, M12 Thread Fastener

Brand: Cat

Warranty Information
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DiagramDescriptionSpecificationsCompatible Models
Specifications for part number 3B-4508

Units of Measure

USMetric
Coating: Zinc
Thickness (mm): 3.18
Thickness (in): 0.125
Material: Spring Steel,Carbon Steel,Alloy Zinc
Outer Diameter (mm): 22.07
Outer Diameter (in): 0.87
Approx. Weight (kg): 0.006
Approx. Weight (lb): 0.01
Inside Diameter (mm): 12.75
Inside Diameter (in): 0.502
Outside Diameter (in): 0.869
Outside Diameter (mm): 22.07
Washer Type: Helical Spring-split
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Compatible Models for part number 3B-4508

INTEGRATED TOOLCARRIER

IT12 IT28 IT18 IT38H IT38G IT38F IT62G IT28G IT28B IT18B IT38G II

GEN SET-MILITARY

3608

POWER PACK

PR118 PR123 PR121

ROTARY DRILL

MD6310 MD6250 MD6200 MD6380

MINI HYD EXCAVATOR

301.7D CR 300.9D 305.5 CR 307E2 308 309 306 304.5E2 306.5 305 CR

HARVESTER HEAD

SAT323 SAT322 SAT322T SAT318 SAT325T SAT323T SAT318TSC SAT318T

EXCAVATOR

345B II 349D L 215B 215C 215D 324D 324E 320D3 GC 315D L 320D2 320D3 323F 214B 312-A 213B 322C 324E LN 345B 212B 345C 548 349F L 219D 325D L EL300 558 336F L XE 312C L OTHER 330C FM 326F 538 320 GC 325C 349E 349F 325F 340F 345B L 330-A L 314D LCR 231D 318D2 L 324E L 330 GC 323D L 326D2 L E240 345D L 320B 320C 320D 320E 235B 235C 211B 235D 345B II MH 323F L 349F LXE E300 349E L VG 349 GC 320E L 349D2 323D2 L 330C L 318D L 568 FM 320D FM 352 UHD 340 349 345 349D2 L 352 350 355 318F L 320 326 325 323 330 335 336 333 323 GX 318D2 323 GC 320D2 L 330C MH 345C MH 326F LN 345 GC 311D LRR 316F L FM538 312C 312D 336F 333 GC 314D CR 326D L FM548 349E L 325C L 225B 225D 352F XE VG 330D FM 224B 336 MHPU 312B L 352F-VG 320D LRR 206B 326F L 205B 229D FM558 FM568 324D L 330GC 313D 320E RR 352F 312D L 320E LRR 336F L 345C L EL240 323GC E180 320B L 245D 245B EL180 320D L MH3040 319D LN 340MHPU 325C FM 330B L 326 GC 326D2 319D L 326GC 330D L 350 OEM 318E L 229 225 330D MH 336 GC 325F LCR 214B FT 235 568 FM LL 205 206 318C 219 215 212 316E L 245 322C FM

SHOVEL

6040

MULTI TERRAIN LOADER

267B 247B 287C 287B 277B 277C 257B 267 257 287 277 297C 247

COMPACT TRACK LOADER

285XE 279D3 299D3 275 285 255 265 275XE 289D3 299D3 XE

ROTARY MIXER

RM500B

FLAIL MOWER

HMF210 HMF110

WORK TOOL

TRS8

PETROLEUM ENGINE

3508C C9 C7 C15 C18 3516C C280-12 3512C

SOIL COMPACTOR

CP44B 815 815B CS54B CP7 825C 825B CS44B

BACKHOE LOADER

424B 446D 446B

WHEEL LOADER

962H 962G 986H 962L 962K 962M G926 G910 988B 988F G916 966D 966C 966F 966E G936 966H 966G 966L 966K 966M 966R 950GC 924H 924G 924K 926E 926M 962 928G 966 972 966 GC 988F II 980 982 950G II 988 995 992 916 920 926 930 936 950 950B/950E 950 GC 972M XE 992D 992B 992C 994K 966G II 972G 972H 972K 972M 972L 950B 950E 950G 950H 950K 950M 950L 930K 930M 930R 930T 936E 962G II 938G 938K 938M 980GC 962M Z 950M Z 972G II 966M XE 980B 980C 980G 980L 980K 980M 982M 950F II

ARTICULATED TRUCK

D35HP D30C D30D D35C D250D D250B D550B D400D 730C 725 735C 730 735 D44B 730C2 D20D D25D D25C D350D D350C D300D D300B 730 EJECTOR 740C 745C D400 D40D

WHEELED EXCAVATOR

W330B M325C MH MH3040

ENGINE - INDUSTRIAL

3406B 3516B

PNEUMATIC COMPACTOR

PS-500 PF-300C PF-300B PS-300B PS-300C

INDUSTRIAL ENGINE

3116 3114 3304 3306 3512 3516 C-15 C-16 3508 C9 3306B D320A 3304B 3412E 3412C D342C C18 3456 C9.3 3412 3406 D398 D399 D379 3406E 3406B 3406C D342 D343 D348 D349 D346 D398B 3408E 3408B 3408C D333C D353C D353E D353D C11 3160 C13 C15 D330C D379B

WHEEL SCRAPER

641B 666B 621E 621B 623B 627F 627B 627E 651E 651B 630B 630A 631D 631C 631E 631B 633B 633D 657E 657B 637E 637B 613B 637D 639D 615 621 627 633 613 666 637 641 657 651

TRACTOR

768C 768B 772B 772 776

GAS ENGINE

G333C G379A G3304 G3306 G3512H G3612 G3616 G3608 G3412 G3408 G3406 G398 G399 G342C G343 G379 G3306B CG137-08 G3508B G353D G3512 G3516 G3508

BLADE

BLADE

PUMPER

SBF214 SPS342 SPS343 HT400 SPF343 SCT673 CPT372 SPF343C SPT343 SPT342 SUF557

FELLING HEAD

SAT630 SAT420

POWER MODULE

XQC1200 XQC1600 PM3412 PMG3516 C32 PM3508 PM3516 PM3512

SITE PREP TRACTOR

586C 2864C

OFF HIGHWAY TRUCK

796 AC 794 AC 798 AC 798

MOTOR GRADER

135H 130G 140M 3 12M 3 AWD 160M 3 AWD 24M 160H 160G 160M 140M 3 AWD 14M-3 120H 120G 120B 16 120M 140B 163H 140M 140K 140H 140G 143H 12M 3 160M 3 16M 16H 16G 14M 140 14H 14G 14E 12H 12G 12M 14M3 120 12F 12E

HYDRAULIC SHOVEL

6040

MARINE ENGINE

3116 3304 3306 D353E 3516 3512 D353C D353D 3508 C18 D379A D379B D330A D330B D330C D397D 3408B D375D 3406B D398A D398B 3516B D337F C280-16 C280-12 3512B D333A D333B D333C 3056 3208 3412 3408 3406 3616 3612 D399 D342C 3508B D364 D349 D346 D348 D342 D343 D334 D337 D336 D315 D326F 3306B 3304B C280-6 C280-8

LOG LOADR FORST MACH

558

FRONT SHOVEL

235C

PETROLEUM PACKAGE

3508 C18

RIPPER SCARIFIER

140G 12G 16G 130G

RECLAIMER MIXER

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

MARINE TRANSMISSION

7211 7231 7221 7251 7241 7271 7261

ENGINE

G3412 G3406 G3408 C15 C18 C13B G3412C

LOCOMOTIVE ENGINE

3516B 3612 3512B PR20B 3508B

COLD PLANER

PC412B PC104B PR-750B PM-565B PC406 PC408 PC412 PR-1000 PC203 PC204 PC205 PC206 PR-450C PC210 PC310XD PC305B PC306B PC205B PC310B PR-1000C PR-450 PC305 PC306 PC310 PC408B PC306 XD PC104 PC105 PM-565

ELECTRIC ROPE SHOVEL

7495 HF 7495

GEN SET ENGINE

3408B 3408C 3608 3606 3516B 3512B 3412 3208 3412C D399 3616 3406 3408 D398B 3304B POWER SYS G3516 G3512 3508B 3145 3160 3150 3306 3304 D379B 3508 C280-16 3512 3516

ROTARY/TRACK DRILLS

MD6640

RIPPER

953B D5 977 963 953 951 955 943 9D 9B 8D 8B 10 933 3 7 6 5 4 9 8

SKID STEER LOADER

272C 256C 272D3 272D3 XE 262C

MARINE GEAR

3181 3192 7251

CABLE CONTROL

25 24 619 29 30 118 119 117 129 127 128

GENERATOR

SR4B SR4BHV WEG SR4 SR5

TRUCK ENGINE

1673B 1673C 3306B 3306 1140 1150 1145 1160 3408B 3406B 1673 1674 1676 1693 3408 3406 3208

BRUSH CUTTER

BRX118 BRX318 BR272 BR218 BR318 BR320 BRX418 BR172 BR166 BR160 BR378 BR117 BR118 BR115 BR120

BUCKET

BUCKET HYD BUCKET BD118 BD121

TRACK SKIDDER

D4HTSK II D5HTSK II D4HTSK III

ASPHALT COMPACTOR

CB10

WHEEL SKIDDER

518C 528B 525 518 515 528 530B 508

UNDERGROUND ARTICULATED TRUCK

AD22

FORESTRY PRODUCTS

FM528 LL 538 548 558 568 FM528

TOOL BAR

6 4

ASPHALT FINISHER

MF41WD

BROOM-UTILITY

BU115

BROOM-PICKUP

BP115C BP118C

WHEEL TRACTOR

660B 641B 666B 623B 623E 621B 621R 621E 627B 627E 627F 650B 633E II 651B 651E 615C II 631D 631E 631C 631G 613C II 615 613 627 621 623 637 641 651 657 666 633C 657E 657B 633D 657G 639D 615C 637G 613B 637D 613C 637E

HYDRAULIC CONTROL

193B 128 129 192 193 191 183 184 181 182 165 172 173 163 161 143 183B 153 150 151 141 140 50 41 48 46 44 173B

VEHICULAR ENGINE

3512 D346 D348 D349

TRACK LOADER

935C 935B 951C 951B 953B 977D 977H 953C 953D 977K 977L 955C 931B 955H 931C 955K 955L 983B 963 973 983 931 943 941 953 941B

WHEEL DOZER

854G 834B 814B 814K 834 824B 844 824C 814 824

LANDFILL COMPACTOR

836 816 826C 826B 816B

MULCHING HEAD

HM2615 HM112 HM115 HM418C HM415B HM415C HM810 HM825 HM215C HM608 HM416 HM418 HM210 HM215 HM208 MD-250 HM6015 HM315B HM315C HM4015 HM912 HM115C HM112C HM518 HM312 HM315 HM316

GRAPPLE

518 120C 125C

COMPACT WHEEL LOADER

906H2 914 910 902C2 920 903D 910G 901C2 907H2 903C2 914G 918M

TELEHANDLER

TH314D TL1055D TH103 TL943 TL1055 TL1255 TH514D TH255C TL642 TL1255D TH417D

SOIL STABILIZER

SS-250B SS-250

WAGON

776 772 613C II

ASPHALT SCREED

SE60 VT XW 10 FT 8 FT 10B SE50 VT SE60VT XW

WINDROW ELEVATOR

WE-851B

RAKE-POWER BOX

PR190 PR172 PR184

LOGGER

322C 227

BULLDOZER

834U 834S 814S 8SR 955 6SU 3S LGP 10C 10S 10U 977A 824S 826B 824C 825 824 815 816 834 7SU 8S 8U 8R 9A 9C 9U 9S 9R 4S 4P 5A 5P 5S 6A 6S 7G 7A 7S 7U 8C 8A 3S 3P 4A

FELLER BUNCHER

FB518

UNDERGROUND ART TRUCK

AE40 AD45B AD60 AD55 AD63 AD45 AD40 AD22 AD55B

QUICK COUPLER

PIN GRAB TRS6 HEX-WEDGE

LOAD HAUL DUMP

R2900 R1700G R2900G

MATERIAL HANDLER

MH3040

WINCH

53 57 56 55 54 59 58 528 518 54H 57H 56H

BACKHOE

D4 D3 931

TRACK-TYPE TRACTOR

D6G2 LGP D10 D6R II D3G D3B D3C D4B D4G D4H D4C D4D D4E D5B D5M D5N D5H D5E D5G D6E SR D6C D6D D6R D6T D6M D6N D6K D6E D6G D6H D6G SR D4E SR D4C III D7F D7G D7H D8T D8K D8L D8H D9E D9G D6K XL D9T D9R D9L D9N D9H D6G2 XL D5K XL D5K LGP D6D SR D6R III D6H II D4K XL D4H III 30/30 D6F SR D3K XL D3 D5 D4K LGP D6H XL D6H XR D5H XL D7G2 D6K LGP DEUCE D4H XL D7R II D3K LGP

ASPHALT PAVER

AP1055 AP655 BG-240C BG555E AP-900B BG-260D BG-260C AP600 AP500F AP655F BG1000E AP-500E BG-2455D BG-2455C AP-1000B AP-1000E AP-1000D AP-1000F AP-555E BG-230 BG600D BG-2255C BG-230D AP-800 AP-1050B AP-800D AP-800C AP-800B AP555F AP-600D AP655F L AP600F AP-655C AP-655D AP-650B AP-1050 BG1055E AP-1055B AP-1055F AP-1055D AP-1055E AP-1000 BG-225C BG655D AP-1200 BG-245C BG500E AP1000

MARINE AUXILIARY

3512 3508 3516C 3516B 3512B 3608 3508B

PIPELAYER

561N 561M 561H 561B 561D 561C PL61 583K 583H 572F 572G 571G 571F 594H 594

STABILIZER MIXER

SM-350

BROOM-ANGLE

BA118C

VIBRATORY COMPACTOR

CS-44B CS-68B CP-533E CD-44B CS-433B CS-66B CS-653 CS-643 CB-534D CP-34 CB-614 CS78B CS56B CB-44B CB-434D CB-434 CP-68B CP-44B CP-643 CP-653 CS74B CP68B CP44B CS-56B CS-34 CS-54B CS-78B CS-323 CP-433B CS-76B CP74B CS-533E CS-74B CB46B CB-54B CB-534 CD-54B CS7 CP-323 CP-54B CP7 CS68B CS44B CB-314 CP-56B CP54B CP-74B CP56B

MOBILE HYD POWER UNIT

330 MHPU 350MHPU

GENERATOR SET

G3520 G3516 G3512 G3508 3508 3412C 3516 3512 G3516B G3516H 3508C 3508B C4.4 3516B GEN G3512H G3406 C13 XQ375 C13 XQ350 G3412 C15 3456 C175-16GENSET C27 C32 3056 3512C 3512B 3516C 3516B

EJECTOR TRUCK

730C 730C2 EJ

MULCHER

HM3013 HM4815 HM5515

FOREST PRODUCTS

OTHER FB221

ROAD RECLAIMER

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

ENGINE - MACHINE

3114 3304 3306 C4.4 3408 3208

BOOM

120C

BATTERY CHARGER

MEC500

TRUCK

777B 797F 773B 769 773 777 794 AC 769B 769C MT4400D AC

COMPACTOR

CB8 CB7 CCS7 CB10

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KeyKey
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