Engine Thermostat for Bobcat A300–S850, T250–T870 – 6680850

Part # 6680850

Fits Models At A Glance:

• Bobcat All-Wheel Steer Loaders: A300, A770
• Bobcat Skid Steer Loaders: S220, S250, S300, S330, S630, S650, S750, S770, S850
• Bobcat Compact Track Loaders: T250, T300, T320, T630, T650, T750, T770, T870
• Bobcat Telehandler / VersaHandler: T2250, V417

Key Notes:

• Part Number: 6680850
• Interchanges With: 1C011-73010
• Opening Temperature: 82°C (operates the engine up to approximately 180°F)
• Engine: Kubota V3800
• Type: Engine thermostat
• Location: Fits inside the water flange housing
• Function: Opens and closes to change the volume of coolant flowing through the engine, holding the engine in its correct operating temperature range
• Note: Parts can vary by serial number — verify against your machine before ordering

Common Use Case or Symptoms: Use when the engine runs too hot or too cold, warms up slowly, or the temperature gauge reads erratically — a failed thermostat disrupts coolant flow and proper engine operating temperature.

Why Choose Broken Tractor:

• ✅ Correct 82°C Opening Temperature – matched to the OEM coolant regulation spec for the Kubota V3800 engine
• ✅ Fits an Extensive Bobcat Lineup – one thermostat spans the A300 through S850 and T250 through T870 platforms
• ✅ Fast Shipping from a U.S.-Based Team – in-stock and ready to ship from our U.S. warehouses