2J5997 Locknut Fits Caterpillar Models

One New Aftermarket Replacement Locknut for Caterpillar (Cat) Construction Equipment

This 1-1/4"-7 cone lock nut (also cataloged as 2J-5997) is a heavy-duty fastener used across a wide range of Caterpillar (Cat) construction and mining equipment, including motor graders, wheel loaders, track-type loaders, vibratory compactors, and wheel scrapers. Cone lock nuts provide secure, vibration-resistant fastening in high-load assemblies.

Specifications

• Thread Size: 1-1/4"-7
• Type: Cone Lock Nut (Hex Head Self-Locking)
• Dimensions: 1.98 x 1.98 x 1.02 in.
• Weight: 0.7 lbs.

Compatible Models

Caterpillar Motor Graders: 12M 2, 140M, 160M

Caterpillar Wheel Loaders: 950 GC, 950G II, 950H, 950K, 962G II, 962H, 962K, 966G II, 966H, 966K, 966M, 966M XE, 972G II, 972H, 972K, 972M, 972M XE, 988H

Caterpillar Track-Type Loaders: 953C, 953D, 963C, 963D, 973C, 973D

Caterpillar Track-Type Tractors / Dozers: 977K, 977L, 983

Caterpillar Vibratory Compactors: CP-433B, CP-433C, CP-433E, CP-44, CP-56, CP-563, CP-573E, CP-64, CP-68B, CP-74B, CS-323C, CS-433C, CS-433E, CS-44, CS-533, CS-533C, CS-533D, CS-56, CS-563C, CS-563D, CS-563E, CS-56B, CS-583E, CS-64, CS-663E, CS-66B, CS-68B, CS-74, CS-74B

Caterpillar Wheel Scrapers: 630A

This part fits many additional Caterpillar models -- verify by part number 2J5997 (also formatted as 2J-5997) in your Cat parts catalog.

Replaces Part Number(s):

2J5997, 2J-5997

New aftermarket replacement part - not remanufactured, not used.