90 Amp Alternator for Bobcat A770, S630, S650, S770, S850, T630, T650, T770 & More

Fits Models At A Glance:

• Bobcat Mini Excavators: 331, 334, 335, 337, 341, 430, 435
• Bobcat All-Wheel Steer Loaders: A770
• Bobcat Skid Steer Loaders: S630, S650, S750, S770, S850
• Bobcat Compact Track Loaders: T630, T650, T750, T770, T870

Key Notes:

• Part Number: 6681857
• Interchange Numbers: 6675292, 6678205
• Weight: 12 lbs (5.44 kg)
• Output: 90 Amps
• Voltage: 12V
• Regulator: Internal — included
• Polarity: Negative ground
• Pulley: 1-groove, clockwise rotation
• Application: Alternator — works with the battery to generate and supply electrical power to all onboard systems including lights, controls, ignition, and auxiliary circuits during engine operation on applicable Bobcat mini excavators, skid steer loaders, compact track loaders, and all-wheel steer loaders
• Condition: Aftermarket replacement part

Common Use Case or Symptoms: Use when the alternator is failing to charge the battery, warning lights are illuminated on the dash, electrical systems are dimming or cutting out during operation, or the machine fails to start after sitting — a failed alternator stops recharging the battery during operation, leading to progressive electrical system failure and eventual machine shutdown on applicable Bobcat equipment.

Why Choose Broken Tractor:

• ✅ Three Part Numbers Cross-Referenced: 6681857 interchanges with 6675292 and 6678205 — all three confirmed so you can order with confidence regardless of which number appears in your parts manual or service records.
• ✅ 90 Amp Output with Internal Regulator: Matches OEM amperage output with a built-in voltage regulator and negative ground polarity — direct drop-in replacement requiring no additional components on applicable Bobcat equipment.
• ✅ Fast Shipping from a U.S.-Based Team: In-stock and ready to ship from our U.S. warehouses.