This is an Adeptus Mechanicus Skorpius Dunerider from Warhammer World.
The Skorpius Dunerider serves as a Skitarii transport vessel enabling the loyal servants of the Machine God to engage or pursue the enemy with ever greater speed and efficiency. As the Skitarii disembark to bring the fury of the Omnissiah to their enemies, the Dunerider’s twin cognis heavy stubbers offer a high rate of covering fire.
Within its open cargo hold, the gunners tasked with firing the vehicle’s flanking pair of cognis heavy stubbers stand at their stations with hands on triggers. A turret-mounted pair of cognis heavy stubbers rises is mounted on a rear cupola, its Servitor gunner protected from return fire by an armoured shield mounted between the barrels.