Product Description

New replacement 12-volt, 55-amp alternator compatible with select John Deere agricultural tractors. Designed to provide dependable charging performance and replace original equipment alternators used in numerous John Deere tractor applications.

This Bosch-style alternator features an internal voltage regulator and external cooling fan.

Technical Specifications

• Condition: New (confirm actual inventory)
• Voltage: 12V nominal / 14V charging
• Amperage: 55 Amp
• Rotation: Clockwise
• Regulator: Internal
• Fan: External
• Design: Bosch Style
• Application: Agricultural Tractors

OEM Replacement and Interchange Numbers

John Deere

AL207585, AL28516, AL35998, AL67175, AL78689, AL81436, AL30414, AL36100, TY6652, TY6669, TY6791, TY25953, SE501344, SE501346

Bosch

0120488290

Remy

50958

Wilson

90-15-6287

Compatible John Deere Tractor Applications

Utility and Agricultural Tractors

840, 940, 1040, 1140, 1350, 1550, 1640, 1750, 1840, 1850, 1950, 1950N

2030, 2040, 2040S, 2120, 2130, 2140, 2150, 2155, 2240, 2250, 2255, 2350, 2355, 2355N

2440, 2450, 2550, 2555, 2650, 2750, 2755, 2840, 2850, 2940, 2950, 2955

3040, 3050, 3140, 3150, 3155, 3350, 3640

6100, 6200, 6200L, 6300, 6300L, 6400, 6400L, 6500, 6500L

Product Features

• New replacement alternator for John Deere agricultural equipment
• 12-volt, 55-amp charging system
• Internal voltage regulator
• External cooling fan
• Bosch-style alternator design
• Replacement for multiple John Deere OEM part numbers
• Designed for reliable charging performance in agricultural applications

Important Fitment Information

Please verify the original equipment part number, mounting configuration, electrical connections, and pulley arrangement before ordering.

Applications will require transferring the pulley from the original alternator.

Note: Extended interchange numbers, applications, and specifications should be verified against the actual alternator before publication, as configurations may differ between tractor models and production years.