2H3940 Union Fitting for Caterpillar Equipment

2H3940 is a union fitting for fluid system applications on Caterpillar equipment. The part is used with Caterpillar earthmoving compactors and engine-machine applications, including the models listed below. This is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).

The part belongs to the Fluid Fittings & Adapters category and is identified as a union. The equipment brand specified for this part is Caterpillar; Caterpillar is the manufacturer of the equipment on which the fitting is used.

Fitment

• Caterpillar 826C earthmoving compactor
• Caterpillar 3116 engine-machine application
• Caterpillar 3126 engine-machine application
• Caterpillar 3126B engine-machine application
• Caterpillar 3176C engine-machine application
• Caterpillar 3196 engine-machine application
• Caterpillar 3208 engine-machine application
• Caterpillar 3304 engine-machine application
• Caterpillar 3306 engine-machine application
• Caterpillar 3406 engine-machine application

Fitment should be confirmed against the equipment model, serial number, and the part number installed on the machine before assembly. The available product data identifies the listed Caterpillar models and equipment applications but does not specify a serial-number range or a particular installation position.

Cross-reference numbers

• Caterpillar 2H3940
• Caterpillar 2H-3940

The number 2H3940 is the SKU and the stated Caterpillar reference for this union fitting. The hyphenated form 2H-3940 is also used for the same reference number.

Specifications

The available specifications provide the recorded external dimensions as width, length, and depth. Thread size, connection type, material, sealing method, and package contents are not specified in the product data.