✅ Compatibility

• Make: Bobcat
• Application: Bobcat compact hydraulic excavators
• OEM / Cross Reference Part Numbers:
  • Bobcat: 6669633
  • DE Housing: 228400-5740
• Fits Bobcat Excavators:
  • Bobcat 320 — Bobcat 322 — Bobcat 323
• ⚠️ Fitment Note: Verify Bobcat machine model, serial number, and existing starter part number before ordering. Contact us to confirm fitment.

🔧 Product Highlights

• Direct OEM Replacement — Bobcat 6669633 12V 10T 1.4kW OSGR Starter for Bobcat 320 / 322 / 323 Compact Excavators: Drop-in fit matching original Bobcat starter specifications — CW rotation, OSGR type, 11.0mm unthreaded mounting holes
• Bobcat 320 / 322 / 323 — Bobcat’s Classic Compact Mini Excavator Series: Among the most widely used compact excavators in North American landscaping, utility, and construction markets — trusted by contractors, rental fleets, and property owners for tight-access excavation, trenching, and grading — large installed base with strong aftermarket demand
• OSGR Type — Over-Running Clutch Gear Reduction Starter: OSGR design provides higher torque output and better engagement reliability compared to direct drive starters — preferred for compact diesel engine cold-start applications
• Common Maintenance Item on High-Hours Bobcat Compact Excavators: Symptoms: slow cranking, grinding on engagement, or intermittent no-start — immediate replacement restores on-demand starting and machine uptime

📦 What’s Included

• 1× Starter Motor 12V 10T 1.4kW OSGR CW — New (Bobcat 6669633)

🔑 Key Specs

• Bobcat Part Number: 6669633 — DE Housing: 228400-5740
• Type: OSGR — Voltage: 12V — Power: 1.4kW — Rotation: CW
• Teeth: 10T — Pinion OD: 38.4mm / 1.512 in
• Mounting Holes: 11.0mm ID Unthreaded (x2)
• Equipment: Bobcat 320 / 322 / 323 compact hydraulic excavators
• Condition: New Aftermarket — SKU: 6669633

⚠️ Verify Bobcat excavator model, serial number, and existing starter part number before purchasing. Contact us with machine model and S/N if unsure — we are happy to confirm fitment.