Track Nut 5I6125

Track nut 5I6125 is a hardware component used with Caterpillar equipment, including Caterpillar engine-machine applications and Caterpillar excavators. This is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).

The part is identified as a track nut and is intended for installation in the equipment track assembly where the specified thread and dimensions are required. The supplied product data identifies Caterpillar as the equipment manufacturer and lists the applicable engine families, machine models, and excavator model series below.

Fitment

The 5I6125 track nut is listed for use on the following Caterpillar equipment and engine models:

• Caterpillar 3046
• Caterpillar 3054
• Caterpillar 3064
• Caterpillar 3116
• Caterpillar 3126B
• Caterpillar 3304
• Caterpillar C4.2
• Caterpillar C4.4
• Caterpillar C6.6
• Caterpillar 311

The listed equipment categories are Caterpillar engine-machine equipment and Caterpillar excavators. Application should be checked against the equipment model and the required thread specification before installation.

Cross-reference numbers

The part is identified by the following part-number formats:

• 5I6125
• 5I-6125

These numbers refer to the same track nut identification supplied for this item. The hyphenated and non-hyphenated formats are included for parts identification and catalog matching.

Specifications

The thread specification is M16 × 1.50 mm. The listed overall dimensions are 2.4 cm in length, 2.4 cm in width, and 2.2 cm in depth, with a stated weight of 0.2 lb. The supplied data does not specify additional components, washers, locking elements, or installation hardware included with the track nut.