Engine: RATO Gasoline. Hydraulic Thumb for QH12, H12, DM12, QH13, H15. Tank Capacity: Fuel - 1.77 gallons, Hydraulic Oil - 4.76 gallons. Bucket Capacity: 0.88 cubic feet. Hydraulic System Motor Types: BM6K-315 (Travel), BM2-315 (Slewing).