1W3728 Turbocharger for Caterpillar Equipment

The 1W3728 is a turbocharger used on Caterpillar industrial engines, generators, and engine-generator sets. This is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).

The part is identified by the Caterpillar number 1W-3728 and the compact number format 1W3728. The available application data covers Caterpillar 3406-series engines and SR4 generator equipment.

Fitment

• Caterpillar industrial engines:
• 3406B
• 3406C
• Caterpillar generators:
• SR4
• SR4B
• Caterpillar engine-generator sets:
• 3406
• 3406B
• 3406C
• SR4

The listed model applications are grouped by equipment type. The 3406B and 3406C designations occur in the industrial-engine and engine-generator-set application groups. The SR4 designation occurs in the generator and engine-generator-set groups, while SR4B is listed in the generator group.

Cross-reference numbers

• Caterpillar 1W-3728
• 1W3728

The numbers above refer to the same turbocharger identification in hyphenated and non-hyphenated formats. No additional supplier cross-reference numbers are provided in the available product data.

Specifications

The dimensional values are reproduced from the available part data and are listed separately by the measurement units supplied. The source data gives height and length in inches, as well as length, width, and depth in centimeters. No material specification, thread information, mounting position, or included component list is provided.