Mich. Comp. Laws § 141.451
Fire trucks, fire fighting apparatus and equipment; purchase by municipalities; title retaining contract; chattel mortgage.
The legislative body of any county, city, village, township, or other local unit of government may purchase on executory title retaining contracts, or finance purchases by chattel mortgages as security for the purchase price, any fire trucks and fire fighting apparatus and equipment and pay for it out of the general fu…