Наверное это Ереван, похоже на пл. Республики.
Но вот, что пишет Джейнс о корейской самоходке с С-60
M1985 - 57 mm self-propelled anti-aircraft gun system
Development
The M1985 self-propelled anti-aircraft gun system consists of a modified version of a North Korean full-tracked armoured chassis fitted with an open-topped turret armed with a single 57 mm gun.
The 57 mm gun of the M1985 is probably the Russian 57 mm S-60, which has also been manufactured in China under the local designation of the Type 59. The self-propelled version does not appear to have a shield, although a gun travel lock is provided at the front of the hull.
The hull is of all-welded steel armour construction, which provides the occupants with protection from small arms fire and shell splinters.
Description
The driver is seated front left with another crewman to his right with each being provided with a single-piece hatch cover that opens to the rear. The turret is in the centre of the hull with the engine compartment at the very rear.
The 57 mm anti-aircraft gun has a maximum effective anti-aircraft range of 4,000 m with the ammunition being fed to the weapon in four round clips from the left. It is understood that elevation and traverse are powered with manual controls as backup.
As far as is known, the 57 mm M1985 self-propelled anti-aircraft gun system does not have any onboard radar fire-control system so is limited to clear weather operations.
Suspension is of the torsion bar type, with each side having six road wheels with the drive sprocket at the rear and idler at the front; there are no track return rollers.
North Korea uses this chassis for a number of other applications including self-propelled field artillery systems.
Видимо у корейцев другое шасси.