The present invention provides truck or bus tires having an excellent balance of fuel economy, rubber strength, and abrasion resistance together with high productivity. The present invention relates to a truck or bus tire, including a cap tread formed from a rubber composition, the rubber composition containing a rubber component including at least one selected from the group consisting of polyisoprene rubbers and polybutadiene rubber, and, per 100 parts by mass of the rubber component, 10 to 60 parts by mass of a reinforcing filler and 1 to 20 parts by mass of a farnesene resin obtained by polymerizing farnesene.