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HomeHydraulicsOther Hydraulic Components6V-8556: 1-3/16-12 Thread Hex Swivel Nut
HomeHydraulicsOther Hydraulic Components6V-8556: 1-3/16-12 Thread Hex Swivel Nut
6V-8556: 1-3/16-12 Thread Hex Swivel Nut

O-Ring Face Seal Connection Tube Nut

Brand: Cat

Product Images
6V-8556: 1-3/16-12 Thread Hex Swivel Nut
6V-8556: 1-3/16-12 Thread Hex Swivel Nut
6V-8556: 1-3/16-12 Thread Hex Swivel Nut
6V-8556: 1-3/16-12 Thread Hex Swivel Nut
6V-8556: 1-3/16-12 Thread Hex Swivel Nut

O-Ring Face Seal Connection Tube Nut

Brand: Cat

Warranty Information
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DiagramDescriptionSpecificationsCompatible Models
Specifications for part number 6V-8556
Transmission and Hydraulic Oil Compatibile Seal: 4K-1388 (1-3/16-12)
Oil and Fuel Compatible Seal: 238-5083 (1-3/16-12)
Coolant and Urea Compatible Seal: 291-8145 (1-3/16-12)
Material Description: Plated Steel
Material: Carbon Steel,Alloy Copper,Alloy Mixed: Metal
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Compatible Models for part number 6V-8556

INTEGRATED TOOLCARRIER

IT24F IT12B IT38G IT14G IT14B IT38F IT28G IT28F IT38G II

WHEEL TRACTOR-SCRAPER

613G

WHEEL HARVESTER

550B 560B 570B 580B 550 570 580

TRACK SKIDDER

D5HTSK II 527 517 D4HTSK III D4HTSK II

WHEEL SKIDDER

535B 525C 525B 525 515 545 530B 508

ROTARY DRILL

MD6310 MD6200 MD6250 MD6380

MINI HYD EXCAVATOR

307C

TRACK FELLER BUNCHER

2390 2391 1190 2290 2491 TK711 TK732 TK1051 TK722 TK721 511 522 521 1190T 1090 532 1290T

FORESTRY PRODUCTS

568

HARVESTER HEAD

SAT318TSC

TOWED SCRAPER

TS180

EXCAVATOR

345B II 320-A L 325B L 320-A S 320-A N 312B 312C 312D 324E 315D L 322B LN 312-A 325C L 322B 385C FS 324E LN 330B LN 330D FM 345B 345C 312B L 385C L 320D2 FM 320GX 320D LRR 365C L MH 315C 312D2 L 312C L 350-A L 330C FM 320 GX FM568 336E L 313B 325C 313D 312D2 312D L 322B L 345B L 324D FM LL M325D MH 318D2 L 324E L 336F L 345C L 385B 385C 320N 320B 320D 365C L 320B L 245D 330B 330C 245B 320 L 365B L M325D L MH 365C 365B 325D FM LL 313D2 GC 390D 318B N 320D L 390D L 319D LN 325C FM 340F L UHD 330B L 325D FM 319D L 330C L 318D L 568 FM 313D2-GC 313D2 320D FM 317B L 312D2 GC 328D LCR 324D FM 319D 320C FM 568 FM LL 329E L 318B 320-A 317B LN 323 GX 318D2 315B L 385C L MH 321D LCR 375-A 365B II 322C FM M312 M315 M318 M320

WHEEL TRACTOR

631G 623E 657E 621E 657G 621S 615C 627E 637G

TRACK LOADER

973C 953K

PETROLEUM ENGINE

3516C 3512E

SOIL COMPACTOR

825C 815F

BACKHOE LOADER

442D 430D 414E 426B 438C 426C 438D 438B 416 424D 426 428 436C 436B 420D 432D 438 436 446 416C 428D 416D 428B 416B 428C

WHEEL DOZER

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

LANDFILL COMPACTOR

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

PETROLEUM GEN SET

3512C

COMPACT WHEEL LOADER

910F 910E 906 914G

WHEEL LOADER

960F 972G 972H 950G 962H 950F 962G 986H 950H 950K 962K 988G 988K 966D 966F 966E 966H 966G 950GC 814K 936F 924H 924G 928F 938G 938F 938H 990 II 928G 988F II 988 995 994 990 980G II 966F II 924GZ 990H 950 GC 972G II 938G II 993K 992D 980H 980G 992G 994D 970F 994K 994H 966G II 950F II

TELEHANDLER

RT80 RT60 RT50 RTC60 RT100 RT50SA

FORWARDER

574B 554 564 574

INDUSTRIAL TRACTOR

HA771 HA871 TK381 TK371

ARTICULATED TRUCK

725C D20D D250E D250D D350E D300D D400E D400D 725 D40D 740 730 735

WHEELED EXCAVATOR

M320F M330D W330B M325C MH M318C M318F M322F M322C W345B II M318C MH M316F M325B M314F

PNEUMATIC COMPACTOR

PS-360B PF-290B

ENGINE - INDUSTRIAL

3512B

INDUSTRIAL ENGINE

3512C

QUARRY TRUCK

775B 771D 771C

ASPHALT SCREED

SE60 V SE50 V

WHEEL SCRAPER

621E 657G 657E 637G

SPRAY AR

CAT WDS

LOGGER

322C

GAS ENGINE

G3512J G3520B G3520J G3608 G3508J G3508B G3516J G3516E G3516C G3516B G3516 G3508

TRACTOR

772B 776D 776C 768C

BULLDOZER

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

POWER MODULE

3516B XQC1600 PMG3516

FELLING HEAD

SS-56 HF221 HF202 HF201 HFW222 HF201B HF181

LOAD HAUL DUMP

R1600H R1700 R2900 XE R1700 XE

OFF HIGHWAY TRUCK

789G 789D 796 AC 794 AC 793F 798 AC 789 793 798

MATERIAL HANDLER

M325D MH M325D L MH

WINCH

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

MOTOR GRADER

163H 143H 163H NA 16M 16H 14H 24H 24M 16H NA 14H NA

ROTARY CUTTER

RC20

HYDRAULIC SHOVEL

6040 6040 FS 6060

TRACK-TYPE TRACTOR

D6R III D6H II D4H III D6R II 30/30 D4H D6F SR D5M D5H D6R D6T D6M D6N D6H D6G SR D10N D10R D11R D6H XL D6H XR D6R XL D5H XL D7R D7H D8T D8L D8N D6R STD D8R II DEUCE D4H XL D7R II

KNUCKLEBOOM LOADER

539

ASPHALT PAVER

AP-800 AP-800D AP-800C AP-800B BG-260D BG-260C AP555F AP500F AP655F AP600F BG-2455D BG-2455C AP-1000B AP-1000D AP-1000F BG-230 AP-1050 AP-1055B AP-1055F AP-1055D AP-1000 BG-230D AP1000

MARINE ENGINE

3508 3508C 3508B 3516C 3516E 3512C

MARINE AUXILIARY

3516C 3512C 3508C

PIPELAYER

589

STABILIZER MIXER

SM-350

MINING EXCAVATOR

5230B 5110B 5130 5230

BROOM-ANGLE

BA25

FRONT SHOVEL

385C

VIBRATORY COMPACTOR

CS-431C CS-573 CP-533D CP-533C CS-583 CS-323C CS-433C CS-433B CS-563 CS-531C CS-533 CP-663E CS-531 CP-433C CP-433B CP-323C CS-533C CS-533D CP-563D CP-563C CB-544 CB-534D CB-536D CB-634D CB-224C CB-564D CP-563 CD-54 CB-214C CB-434 CP-533 CS-563C CS-563D

TECHNOLOGY

AUTOGUIDNC

MOBILE HYD POWER UNIT

329D L 385C 330D2 385C L 349E L HVG 345C 323D L

GENERATOR SET

G3520 G3516 G3512 3508 G3412 G3516C G3516E G3520C G3520B G3520E 3512C 3512B G3512E 3516C

RECLAIMER MIXER

RM-350B RM-350 RM-300 RM-500

ENGINE

C175-20 3512C G3516C G3516J 3516C G3520J

LOCOMOTIVE ENGINE

3512E 3512C

WATER DELIVERY SYSTEM

CAT WDS

EJECTOR TRUCK

D400E II 740 730

COLD PLANER

PR-1000C PM-565B PM312 PM313 PM310 PR-1000 PR-450C PM-465 PM-201 PM-565

FOREST PRODUCTS

OTHER

ROAD RECLAIMER

RM-350B

GEN SET ENGINE

G3520B

CHALLENGER

65C 65D 75D 75C 85C 85D 70C

RIPPER

7 6 5 4 8 10

SKID STEER LOADER

236 246 262 252

OFF-HIGHWAY TRUCK

D10R

WHEEL FELLER BUNCHER

HA770 TK370 TK380 HA870 543 533 2670D

TRUCK

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

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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