... but with different engines as it seems? Or am I wrong?It should be the same as the Z-8L because AC313A is simply the civilian version.
by the way, according to this post and image on Weibo it appears, a dedicated EW/ECM variant (Z-8GD?) for the battlefield electronic jamming purpose similar to Russian Mi-8PPA is being developed ... Clearly visible are large antennas mounted on both sides of the mid-fuselage.