What is spark plug gap for caterpillar 1404 engine?

The spark plug gap for a Caterpillar 1404 engine is typically around 0.030 to 0.035 inches (0.76 to 0.89 mm). However, it's always best to consult the engine's service manual or specifications for the exact gap recommended for your specific model and application. Properly setting the spark plug gap is crucial for optimal engine performance and efficiency.