ATG10169 Alternator 129240-77200 Y129240-77200 3400-0505 for Takeuchi TB016 TB135 Komatsu PC35 12V 40 Amp Replacement

Part Numbers

Product Description

The ATG10169 Alternator is an aftermarket replacement designed for selected Takeuchi and Komatsu compact construction equipment. Rated at 12 volts and 40 amps, this alternator supplies electrical power to compatible equipment systems and helps maintain battery charge during normal operation.

This alternator features an internal regulator (IR), internal fan (IF), and clockwise rotation, with a Denso-style design. These specifications help identify the correct replacement when servicing the charging system. Before installation, compare the original alternator's mounting points, pulley configuration, electrical connections, and overall dimensions to ensure a proper match.

The ATG10169 cross-references Takeuchi and Yanmar part number 129240-77200, Takeuchi Y129240-77200, and Atlantic (Prior) numbers 3400-0505 and 8500-0500. Listed applications include selected Komatsu equipment with 3D84 or 3D88 engines, the Komatsu PC35 excavator, and Takeuchi TB016 and TB135 excavators. Verify the original part number and equipment configuration before ordering.

Key Features

• Product SKU: ATG10169

• Product Type: Alternator

• Condition: Aftermarket Part

• Voltage: 12V

• Amperage: 40A

• Regulator Type: Internal (IR)

• Fan Type: Internal (IF)

• Rotation: Clockwise (CW)

• Design: Denso style

• OEM References: 129240-77200, Y129240-77200

• Additional Cross References: 3400-0505, 8500-0500

• Listed Applications: Selected Komatsu and Takeuchi compact equipment

Product Specifications

Vehicle / Equipment Fitment