4N3779 Camshaft Key for Caterpillar Equipment

The 4N3779 Camshaft Key is a Woodruff key used in the camshaft assembly of Caterpillar equipment. It is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).

The part is identified by SKU 4N3779 and is listed for Caterpillar cold planers, paving compactors, engines installed in machines, generator-set engines, generators, and industrial engines. The supplied application data includes specific Caterpillar models and engine series listed below.

Fitment

• Caterpillar PR-1000 cold planer
• Caterpillar PR-1000C cold planer
• Caterpillar PS-500 paving compactor
• Caterpillar 3208 engine
• Caterpillar 3412 engine
• Caterpillar SR4 generator

The listed equipment categories are Caterpillar cold planers, paving compactors, engine-machine applications, engine-generator-set applications, generators, and industrial engines. Compatibility should be checked against the equipment model and the part number before installation, particularly where the same engine series is used in more than one machine type.

Cross-reference numbers

4N3779 is the Caterpillar reference number associated with this camshaft key and is also the CTP catalog number supplied for the part. The available data does not identify any additional supplier numbers or separate superseding numbers.

Specifications

The 4N3779 key is supplied as an individual part rather than as a complete camshaft assembly or repair kit. The stated dimensions and weight refer to the listed product data. No material specification, thread specification, coating, or additional hardware is provided in the available technical information.

For parts identification, use the complete reference 4N3779 together with the Caterpillar equipment model, engine series, and application type. The model and series information supplied for this part includes PR-1000, PR-1000C, PS-500, 3208, 3412, and SR4.