The Khalifa-1 GHY-02 is a 6x6 122mm self-propelled howitzer armed with Russian-made 122mm D-30 refurbished towed howitzer mounted on a turntable at the rear a modified Kamaz 43118 6x6 redesigned truck chassis.

The howitzer retained the distinctive multi-baffle muzzle brake and recoil-recuperator mechanism mounted above the gun barrel on the original D-30. The howitzer barrel is electric-operated, with an elevation in the firing arc outside the vehicle cabin from -5° to +70°, or firing above cabin from +15° to +70°. The vehicle can fire at a maximum rate of 8 rounds/min, with a maximum range of 17 km.

A fully enclosed cab has been mounted at the front of the vehicle and has seats for the crew of five.

Khalifa-1 howitzer can be fitted with a fire control system, the Karary IGZ01 artillery fire control system composed of an observation point and a fire command post. The observation post features a gonionmeter, a laser range finder, a military standard laptop with built-in GPS, and a man-back telecommunication device. The command point is fitted with telecommunication device, military standard laptop with built-in GPS, a distribution box, and display devices.