المحرك Doosan DV11 لـ حفارة

Basic parameters
Engine type: water-cooled, 6-cylinder V-type 90°, turbocharged, air intercooled.
Combustion chamber type: direct injection.
Number of cylinders - bore × stroke: 6-128×142mm.
Total displacement: 10,964cc.
Compression ratio: 17.1:1.
Engine size: length × width × height is 1,206x1,031x1,070mm.
Engine weight: 904kg.
Direction of rotation: counterclockwise from the flywheel end.
Ignition order: 1-4-2-5-3-6.
Performance parameters
Output power: maximum up to 309kW (420PS)/1,800rpm.
Torque: maximum torque is 1,834N・m (187kg・m)/1,200rpm.
Fuel consumption: The minimum fuel consumption is 203g/kW・h (149g/PS・h).
Structural features
Cylinder block: Made of single-piece alloy cast iron, with rigidity treatment below the centerline of the crankshaft, and replaceable wet cylinder liners and independent cylinder heads.
Piston, connecting rod and crankshaft assembly: The crankshaft is forged in one piece and has undergone dynamic balancing tests. The connecting rod is die-forged and has an oblique cut. It can be removed from the top of the cylinder block together with the piston. The crankshaft and connecting rod use steel-backed lead-copper alloy bearings.
Valve mechanism: Overhead valves are used, and their movement is achieved by the camshaft driving the carburized tappets, push rods and rocker arms.
Fuel system
Fuel high-pressure pump type: Bosch CP3.4 fuel high-pressure pump.
Nozzle type: Multi-hole (8xφ0.197 Bosch DLLA146).
Fuel injection pressure: Working pressure 1,600bar.