1D-4639: 1-8 UNJC 2A Hex Head Bolt

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1D-4639: 1-8 UNJC 2A Hex Head Bolt

Cat® Hex Head Bolt for front axle securely holds front axle components together, ensuring proper alignment and support

Brand: Cat

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1D-4639: 1-8 UNJC 2A Hex Head Bolt

Cat® Hex Head Bolt for front axle securely holds front axle components together, ensuring proper alignment and support

Brand: Cat

Will it fit or looking for a repair?Add your equipment to see if this part fits or if there are repair options available.

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Warranty Information

Return Policy

1D-4639

3J-1907

3K-0360

View All Parts

1D-4639: 1-8 UNJC 2A Hex Head Bolt

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

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

2M-9780: 2.46 x 19.18mm 90A NBR O-Ring

3B-8489: 1/8-27 PTF Hex Head Special Grease Fitting Adapter

5M-6214: 1/8-27 Thread Hex-Drive Plug

Diagram

Description

Specifications

Compatible Models

Parts diagram for 1D-4639

Specifications for part number 1D-4639

Units of Measure

Metric

Compatible Models for part number 1D-4639

INTEGRATED TOOLCARRIER

IT12

OFF HIGHWAY TRUCK

773 785D 789 785 789G 789D 773GC

WINCH

59N 59L 58L 59 58

MOTOR GRADER

16G 14M 143H 160G 163H NA

ROTARY CUTTER

RC20

TRACK-TYPE TRACTOR

D10 D11 D5H D7F D8K D8L D8H D9G D9L D9N D9H D11N D11R D11T

ASPHALT PAVER

AP-800 AP-800B

PIPELAYER

561B 561D 561C 583K 571G 594H 594

EXCAVATOR

215C 225B 225D 225 235 219 215 235D 245 245D 245B

VIBRATORY COMPACTOR

CS-573 CS-431B CS-583 CS-553 CS-551 CS-433B CS-323 CS-563 CS-533 CS-531 CP-433B CP-563 CP-323 CP-553 CP-533

RIPPER SCARIFIER

16G

HYDRAULIC LIFT

MIS MISC

WHEEL TRACTOR

651B 651E 641 651 641B 657 657E 657B

TRACK LOADER

983 983B 943 953 953B 977K 977L

SOIL COMPACTOR

825B

COLD PLANER

PR-1000 PR-1000C PR-450 PR-750B

WHEEL DOZER

834 824B 844 854 824 854G 854K 844H 844K

LANDFILL COMPACTOR

826B

COMPACT WHEEL LOADER

910

WHEEL LOADER

966 972H 972K 972M 972 966 GC 966 XE 966XE 980 988 950K 962K 950M 995 950L 962M 990 G910 988B 966H 966L 966K 966M 950 980F II 950M Z 990K 990H 966M XE 980B 980C 980F 992G 980K 992K 972XE 980M 990 II 994K

ROAD RECLAIMER

RR-250

CHALLENGER

70C 65 75 65C 65B 65E 65D 75D 75C 75E 85C 85E 85D 95E

ARTICULATED TRUCK

D20D D250E II D300E D250E D250D D300E II

RIPPER

953B 953 11 10 943 9 8

QUARRY TRUCK

775D 775B 773E 771D

ASPHALT SCREED

10 FT

WHEEL SCRAPER

651B 666B 657B 666 657 651

TRUCK

785 789 69D 773E 785G 773D 773F 785C 785D 773B 785B 775F 775E 775D 789C 789D 789B 769 773 769B 769D

SPRAY AR

CAT WDS

LOGGER

227

TRACTOR

772 772B 784C 784B

BULLDOZER

11SU 8S 8U 9C 9U 9S 10C 11U 10S 10U 8C 8A 9SU

BLADE

Compare Alternate Parts

1D-4639: 1-8 UNJC 2A Hex Head Bolt

1.75

Cat® Hex Head Bolt for front axle securely holds front axle components together, ensuring proper alignment and support

3E-6640: Fastener Hardware Kit

1/4-20, 5/16-18, 3/8-16, 7/16-14, 1/2-13, 5/8-11, 3/4-10

3/4, 1, 1 1/4, 1 1/2, 1 3/4, 2, 2 1/4, 2 1/2, 2 3/4, 3, 3 1/4, 3 1/2, 3 3/4, 4

Cat® Fastener Hardware Kit serves to securely join parts together, ensuring structural integrity and stability

Related parts

2J-3507: 1''-8 Hex Nut

Track Nut

5P-8250: 1" ID Steel Flat Washer

Cat® Jacket Water Heater Hard Washer is to securely fasten and distribute pressure for effective sealing in jacket water heaters

2J-3507: 1''-8 Hex Nut

5P-8250: 1" ID Steel Flat Washer

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