1381645 Pin-Spring Fits Caterpillar Models

One New Aftermarket Replacement Pin-Spring for Caterpillar (Cat) Construction Equipment

This steel spring pin (also known as a roll pin or cylindrical spring pin) is a precision fastening component used throughout Caterpillar construction, agricultural, and industrial equipment assemblies. With chamfered ends on both sides for easy installation and removal, this slotted spring pin provides a reliable, vibration-resistant connection in a wide range of mechanical linkage and assembly applications.

Specifications

• Overall Length: 32 mm (approx. 1-1/4 in)
• Outside Diameter: 5 mm
• End Type: Chamfered both ends
• Material: Steel
• Pin Type: Spring-loaded / cylindrical slotted
• Weight: 0.1 lbs

Compatible Models

Caterpillar Articulated Trucks: 740

Caterpillar Wheel Tractor-Scrapers: 621E, 621F, 621G, 623E, 623G, 627E, 627G, 631E, 631G, 633E II

Caterpillar Wheel Dozers / Compactors: 814F, 816F, 816F II

Caterpillar Feller Bunchers: 2470C, 2570C, 2670C, 2864C

Caterpillar Skidders: 515, 525, 525B, 525C, 525D, 533, 535B, 535C, 535D, 543, 545, 545C, 545D, 553C, 555D

Caterpillar Pipelayers: 561N, PL61

Caterpillar Feller Bunchers / Harvesters: 563C, 573C, 586C

Caterpillar Integrated Toolcarriers: IT12B, IT24F, IT28G, IT38F, IT38G, IT38G II, IT38H, IT62G, IT62G II, IT62H

Caterpillar Industrial Tractors: HA771, HA871, TK371, TK381

Caterpillar Telehandlers: TH355B, TH460B, TH580B

Caterpillar Petroleum Engines / Transmissions: C9, CX31-C13I, CX31-C15I, CX31-C18I, CX31-C9I, CX31-P600, TH31-E61, TH35-C11I, TH35-C13I, TH35-C13T, TH35-C15I, TH35-C15T, TH35-E81, TH48-E80

Caterpillar Quarry Trucks: 771D

Caterpillar Pumpers: SPF343C

Replaces Part Number(s):

1381645, 138-1645, CA1381645

Aftermarket Interchange Numbers

NSN: 5315-01-527-0647; also referenced as 01-527-0647 and 5315015270647

New aftermarket replacement part - not remanufactured, not used.