While I cannot answer definitively, I can say that my 95 Country has its original 4.0, is nearing 300,000 miles, and is still running well.
40 years
40 weeks from the last period.
how long do seasons last on earth
Because most transformers are simple and rugged, they often last as long as 40 years.
about 40 minutes
it lasted 40 seconds
Pregnancy last from 38-40 weeks.
40 days and nights
5 hours
A cystoscopy typically lasts from 10-40 minutes
9 months 40 weeks
About 30-40 minutes when I went last year. Not long at all!