The patrol vessels are propelled by two shafts powered by two Caterpillar 3616 V16 diesel engines rated at 6,197 horsepower (4,621 kW).

[2] The patrol vessels are armed with a single Bofors 57 mm (2 in)/70 caliber gun Mk 3 mounted forward capable of firing 220 rounds/minute to a range of 17 kilometers (11 mi).

The ships mount an Alenia 2 combat data system and Saab EOS 450 optronic director for fire control.

[3] The Durango class has a complement of 74 including 10 officers with the capability to transport 55 additional personnel.

[2] Vessels of the class carry an 11-meter (36 ft) interceptor craft capable of over 50 knots (93 km/h; 58 mph).