Firing order of 424 tractor front to back?

The firing order for a 424 tractor, which typically has a four-cylinder engine, is 1-3-4-2. This means that the cylinders fire in the sequence of cylinder 1 first, followed by cylinder 3, then cylinder 4, and finally cylinder 2. This firing order helps ensure smooth engine operation and balanced power delivery. Always consult the specific engine manual for detailed information and confirmation.