600-861-6410 High-Output 24V 80A Alternator for Komatsu 6D102 Engines PC200-6 PC220-7 Excavator

600-861-6410 24V Alternator for Komatsu 6D102 PC200-6 PC220-7

This aftermarket 600-861-6410 alternator is supplied for selected Komatsu machines using 6D102E, S6D102E and S4D102E series engines. It is commonly searched with cross-reference numbers including 600-861-6420, 600-861-6412, Denso 101211-7960, Denso 102211-4050 and Lester 12775.

Komatsu public parts information lists 600-861-6410 as a 24V alternator with pulley included, internal regulator and internal fan. Many aftermarket references list this alternator family as 24V 60A. If you are selecting the 80A version, please verify the amperage, pulley, connector and mounting position against your original unit before ordering.

Application and Fitment Reference

This alternator family is commonly used for Komatsu excavators such as PC200-6, PC200LC-6, PC220-6, PC220LC-6 and PC220-7. It is also listed for selected Komatsu forklift and lift truck models such as FD40-8, FD45-8, FD70HD-8 and related models.

Cross Reference Numbers

• Komatsu: 600-861-6410, 6008616410, 600-861-6410-2, 600-861-6412, 600-861-6420, 600-864-6410-2

• Denso / Nippondenso: 101211-7960, 102211-4050, 9761219-796, 9762219-405

• Lester: 12775

• Lucas: LRA03556

• Wilson: 90-29-5643

Common Symptoms of Alternator Failure

• Battery drain: the battery cannot hold charge after machine operation.

• Weak starting: the machine starts slowly or requires frequent jump starts.

• Dimming lights: cab lights or work lights become weak during operation.

• Charging warning: the dashboard or monitor shows charging system warning signs.

• Electrical instability: accessories such as air conditioning, lights or controllers work inconsistently.

Fitment Check Before Ordering

Before ordering this Komatsu 600-861-6410 alternator, please compare your original unit carefully. Important confirmation points include part number, voltage, amperage, pulley type, pulley diameter, connector style, B+ terminal size, mounting ear position and machine serial number.

Ordering Information

For a fast quote, please send the original alternator part number, machine model, engine model, machine serial number and clear photos of the alternator label, pulley, connector and mounting side. This helps confirm whether 600-861-6410 / 6008616410 is suitable for your Komatsu excavator or forklift.

FAQ

Is 600-861-6410 a 60A or 80A alternator?

Komatsu public parts information lists 600-861-6410 as a 24V 60A alternator. Some aftermarket listings may offer high-output versions. Please verify the amperage on your original alternator before ordering an 80A replacement.

Is 600-861-6410 suitable for Komatsu PC200-8?

Do not assume fitment by model name only. Some aftermarket pages mention PC200-8 together with related alternator numbers, but the safest method is to verify the original alternator part number, engine model, connector and pulley before ordering.

What Denso numbers cross to 600-861-6410?

Common Denso references include 101211-7960 and 102211-4050. Other references may include 9761219-796 and 9762219-405 depending on supplier listing.

What information should I send for confirmation?

Please send the machine model, serial number, engine model, original part number, alternator label photo, connector photo and pulley photo.