You can use a portable ram to break down doors. When doing so, you gain a +4 bonus on the Strength check. One other character can help you use the ram, giving you advantage on this check.
Frequently Asked Questions
How much does the Ram, portable cost in D&D 5e?
The Ram, portable costs 4 gp in D&D 5th Edition.
How much does the Ram, portable weigh in D&D 5e?
The Ram, portable weighs 35 pounds in D&D 5th Edition.