1A8651 Bolt Fits Caterpillar Models

One New Aftermarket Replacement Bolt for Caterpillar (Cat) Heavy Equipment

This Grade 8 hex head cap screw is a high-strength fastener used across a wide range of Caterpillar (Cat) construction, mining, and engine applications. Featuring a 5/8-11 UNC thread size and 4-1/2" total length with a phosphate and oil coating, it meets SAE J429 Grade 8 specifications for demanding heavy equipment use.

Specifications

• Type: Hex Head Cap Screw (Bolt)
• Thread Size: 5/8"-11 UNC (coarse thread)
• Total Length: 4-1/2 in.
• Grip Length: 3 in.
• Head Width: 15/16 in.
• Head Height: 0.48 in.
• Grade: 8 (SAE J429) - 150 ksi tensile strength
• Coating: Phosphate and oil
• Material: Steel
• Weight: approx. 0.46 lbs.

Compatible Models

Caterpillar Motor Graders: 130G, 140B, 14E, 14G, 16G, 16H, 16H NA

Caterpillar Hydraulic Excavators / Shovels: 173B, 183B, 235

Caterpillar Engines: 3306, 3408E, 3508, 3508B, 3512, 3512B, 3512C, 3516, 3516B, 3516C, 3606, 3608, 3612, 3616

Caterpillar Pipelayers / Log Skidders / Scrapers: 4S, 518, 561D, 571G, 578, 589, 633D

Caterpillar Off-Highway Trucks: 777, 793D

Caterpillar Articulated Trucks: D250B, D250E, D25C, D300B, D300D, D300E, D30C, D350C, D350E, D35C, D35HP, D400, D400E, D40D, D44B, D550B

Caterpillar Wheel Loaders: 966D, 980C, 980F, 980F II, 980G, 980G II, 980H, 980K, 980K HLG, 988B, 988F, 988F II, 988G, 988H, 992C, 994F, 994H

Other Caterpillar Models: 7271

Note: This is a general-purpose Cat fastener used across many machine families. The above list is representative; additional models may apply. Verify part number 1A8651 in your machine's parts manual before ordering.

Replaces Part Number(s):

1A8651

New aftermarket replacement part - not remanufactured, not used.