2B2673 Nut Slotted Fits Caterpillar Models
2B2673 Nut Slotted Fits Caterpillar Models
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One New Aftermarket Replacement Slotted Nut (Castle Nut) for Caterpillar (Cat) Motor Graders and Track-Type Equipment
This 2B2673 slotted hex nut (also known as a castle nut) is a heavy-duty fastener used throughout Caterpillar motor graders, track-type tractors, and track skidders. It serves as a secondary fastening and locking component in structural, undercarriage, and drivetrain assemblies, helping to secure circle segment elements and other critical connections. Thread size is 1-3/4"-5 with a 2-5/8" hex, zinc flake coated steel construction.
Specifications
- Nut Type: Slotted Hex (Castle Nut)
- Thread Size: 1-3/4"-5
- Hex Size: 2-5/8"
- Length: 1-1/2 in.
- Dimensions: 2.91 x 2.91 x 1.50 in.
- Weight: 1.4 lbs.
- Material: Steel
- Coating: Zinc Flake
Compatible Models
Caterpillar Motor Graders: 12E, 12F, 12G, 12H, 12H ES, 12H NA, 12K, 120, 120B, 120G, 120H, 120H ES, 120H NA, 120K, 120K 2, 130G, 135H, 135H NA, 140, 140B, 140G, 140H, 140H ES, 140H NA, 140K, 140K 2, 143H, 14E, 160G, 160H, 160H ES, 160H NA, 160K, 163H, 163H NA
Caterpillar Track-Type Tractors: D5N, D6H, D6M, D6R, D6T
Caterpillar Track Skidders: 527
Caterpillar Engines (Machine): 3116, 3126, 3126B, 3176C, 3304, 3306, C7, C-9
Replaces Part Number(s):
2B2673
New aftermarket replacement part - not remanufactured, not used.



