Komatsu Engine V-Belt Set Alternator Drive 6212-85-6840

Komatsu Engine V-Belt Set Alternator Drive 6212-85-6840 is a Komatsu engine replacement part listed by 19PARTS for engine-section lookup, hub navigation, and part-number verification.

Product overview

Part number 6212-85-6840 is listed as V-Belt Set Alternator Drive. Search also by the no-dash alternate number 6212856840.

Engine book references

This part appears in Komatsu engine parts book paths such as:

• ENGINES / S6D140E-2A-6 S/N 22537-UP / ENGINE / ALTERNATOR MOUNTING (35A) (WITH HARDENING PULLEY)(#23227-27367) (A6010-A4E7)
• ENGINES / S6D140E-2A-6 S/N 22537-UP / ENGINE / ALTERNATOR MOUNTING (35A) (WITH HARDENING PULLEY)(#27478-) (A6010-A4G5)
• ENGINES / S6D140E-2A-6 S/N 22537-UP / ENGINE / ALTERNATOR MOUNTING (50A) (WITH HARDENING PULLEY) (EXTREME COLD TERRAIN SPEC.)(#23227-23257) (A6010-A4E9)
• ENGINES / S6D140E-2A-6 S/N 22537-UP / ENGINE / ALTERNATOR MOUNTING (50A) (WITH HARDENING PULLEY)(#23227-) (A6010-A4E8)
• ENGINES / S6D140E-2A-6 S/N 22537-UP / ENGINE / ALTERNATOR MOUNTING (50A) (WITH NON HARDENING PULLEY)(#23227-) (A6010-A4E6)
• ENGINES / S6D140E-2A-6 S/N 22537-UP / ENGINE / ALTERNATOR MOUNTING (75A) (WITH HARDENING PULLEY)(#24911-) (A6010-A4F6)

This part appears in 172 Komatsu engine book paths in our reference data.

Verification note

Always confirm final fitment by engine model, serial range, diagram callout, and part number before ordering. Hub references are provided to help buyers find the right engine section and related parts faster.

Keep Ops Moving

19PARTS organizes Komatsu engine parts around searchable engine-model hubs so rebuild shops, equipment owners, and fleet teams can identify parts and keep repairs moving.