The Titan DS can be fitted with a one-man open-top turret protected by armor plate on 360° including bulletproof windows to offer awareness all-around the vehicle. The turret can be armed with a 7.62mm or 12.7mm machine gun. The vehicle can be also be fitted with a remotely controlled weapon station armed with various types of weapons from small to medium caliber, or a 40mm grenade launcher.

The layout of the Inkas Titan-DS APC is conventional, with the engine at the front, the crew cab in the middle, and the troop compartment at the rear. The armor of the Inkas Titan-DS provides ballistic protection STANAG 4569 Level 2 against 7.62×39mm API (Armor Piercing Incendiary) at 695 m/s fired at 30 meters, and a mine blast of 6 kg of TNT under the wheels and the hull floor. The front of the crew compartment is fitted with two large bulletproof windows protected by metal mesh guards. There is a single door on each side of the vehicle that opens frontward, with a bulletproof window in the upper part also protected by metal mesh guards. There is a small door on each side at the front of the troop compartment fitted with a bulletproof window and a firing port. Two small bulletproof windows with an individual firing port in the lower part are available on each side of the hull. The vehicle can carry a total of 12 military personnel with four individual mine blast protected seats at front and 6 at the rear facing to each side of the hull. There are two additional doors in the rear of the hull, both fitted with a small bulletproof window and firing port. An escape hatch is available on the rear part of the roof.