1980 Volvo Md 21 B will be available in April. Replacing with a new motor runs good but is starting to burn oil and will probably need to be rebuilt with in a few years. Estimated hours would be approx. 6000 or so. New injectors and heat exchanger. This motor does include the transmission. Call 906-341-3185 if not at home please leave a message with a number or send an e-mail.