Fan Belt for Case CX50 & CX55B Mini Excavators | VV12961242380

Fits Models At A Glance:

• Case Mini Excavators: CX50, CX55B

Key Notes:

• Part Number: VV12961242380
• Engine: Yanmar 4TNV88 diesel (fitted to applicable Case CX50 and CX55B mini excavators)
• Application: Fan belt — drives the cooling fan and alternator from the engine crankshaft pulley to maintain proper engine cooling and battery charging on applicable Case mini excavators
• Service Specification: Yanmar 4TNV88 fan belt deflection should be 0.35–0.55" (9–14mm) under 22 lbf (98N) of force — check and adjust belt tension at each service interval
• Condition: Aftermarket replacement part

Common Use Case or Symptoms: Use when the fan belt is cracked, glazed, fraying, missing ribs, or slipping — also replace at the recommended service interval or when the battery warning light is on, the engine is overheating, or an abnormal squealing or chirping noise is coming from the belt drive area on applicable Case equipment.

Why Choose Broken Tractor:

• ✅ Yanmar 4TNV88 Engine Specific: Purpose-built for the Yanmar 4TNV88 engine family fitted to the Case CX50 and CX55B mini excavators — ensures correct belt length, width, and profile for proper tensioning and drive engagement.
• ✅ Preventive Maintenance Item: Fan belt replacement is a standard maintenance interval item — keeping a spare on hand minimizes downtime if the belt fails during operation in the field.
• ✅ Fast Shipping from a U.S.-Based Team: In-stock and ready to ship from our U.S. warehouses.