These MECHAS are the Nightmare Units that were Produced by the Line Ark Kooperation, they are Build for multiple tasks and every Type has different load:
LIARKO-Assault: Dual Machinegun
LIARKO-Close Combat: Pilebunker and Shield
LIARKO-Heavy Guard: 2 shoulder mountet Missilepods and a Shield at each arm
LIARKO-Scout: Shield and Machinegun plus 1 shoulder mountet Missilepod
LIARKO-Sniper Custom: Long range Rifle plus 2 shoulder mountet Sensorjammers