Alternator for Cat 308, 308E, 308E2, 309 & 310 Mini Excavators | 385-5043

Fits Models At A Glance:

• Cat Mini Hydraulic Excavators: 308, 308.5, 308E, 308E CR, 308E SR, 308E2, 308E2 CR, 308E2 SR, 309, 310

Key Notes:

• Part Number: 385-5043
• Voltage: 12V
• Amperage: 60A
• Regulator: Internal
• Housing: Carbon steel
• Application: Charging alternator — converts mechanical energy from the engine into electrical power to maintain battery charge and supply all electrical systems and accessories on applicable Cat mini excavators
• Condition: Aftermarket replacement part

Common Use Case or Symptoms: Use when the battery warning light is on, the battery is consistently undercharged or dead despite normal use, electrical components are dimming or shutting off during operation, or the alternator tests below rated output voltage — a failing alternator cannot sustain the battery charge needed to run controls, lighting, and electronic systems on applicable Cat equipment.

Why Choose Broken Tractor:

• ✅ Cat Mini Excavator Specific: Engineered for the 308 and 309/310 series Cat mini excavator engine configurations — ensures correct mounting geometry, pulley alignment, and electrical output for these specific machines.
• ✅ Internal Regulator: Self-contained internal regulator simplifies installation with no external regulator required.
• ✅ Fast Shipping from a U.S.-Based Team: In-stock and ready to ship from our U.S. warehouses.