2056388 Bolt-Hex H Fits Caterpillar Models
2056388 Bolt-Hex H Fits Caterpillar Models
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One New Aftermarket Replacement Hex Head Bolt for Caterpillar (Cat) Motor Graders and Construction Equipment
This aftermarket replacement hex head bolt (part number 2056388, also formatted as 205-6388) is a hardened steel fastener used across a wide range of Caterpillar construction equipment. It is a direct replacement for the OEM Caterpillar hex head bolt and is suited for general and high-demand fastening applications on motor graders, wheel tractors, and articulated trucks.
Specifications
- Bolt Type: Hex Head
- Thread Size: 7/16"-20 (0.44-20)
- Length: 1-3/4" (44.45 mm)
- Hex Size: 17.46 mm
- Material: Steel, 1035 MPa Min Tensile Strength, Rc 33-39
- Coating: Zinc-Dichromate
- Weight: 0.09 lbs
Compatible Models
Caterpillar Motor Graders: 12H, 12H ES, 12H NA, 12K, 12M, 12M 2, 12M 3, 12M 3 AWD, 120H, 120H ES, 120H NA, 120K, 120K 2, 120M, 120M 2, 135H, 135H NA, 140H, 140H ES, 140H NA, 140K, 140K 2, 140M, 140M 2, 140M 3, 140M 3 AWD, 143H
Caterpillar Articulated Trucks / Wheel Tractors: 621G, 623G, 627G, 631G, 637G, 657G
Note: This is a widely-used fastener. Verify fitment by model and serial number if uncertain.
Replaces Part Number(s):
2056388, 205-6388
New aftermarket replacement part - not remanufactured, not used.
