Propulsion: Niigata Engineering 16PA4V-200VGA (3,500hp) type diesel engine x 3, two shaft and a water jet, output power 9,400 hp/7,000 kW
Armament: JM61-RFS (Remote Firing System) 20mm Gatling gun (rotary cannon) x 1. A gun of this type proved powerful, in the Battle of Amami-Ōshima between an armed North Korean spy ship and a Japanese patrol boat.
Fire control system: RFS gun director
An artist’s rendering of the ODA-Philippines patrol boat is on page 3 of http://www.marubeni.co.jp/news/2015/release/20150604J.pdf