Engine Specifications and Features:
- Power range: 12 - 58.1 kW at 1500 - 2800 rpm.
- Engine types: 2-, 3-, and 4-cylinder naturally aspirated in-line engines; 3- and 4-cylinder engines also available with turbocharging.
- Integrated cooling system with heat exchanger.
- Enhanced power output by 14% compared to predecessor 1011F.
- Extended belt change interval by 100%.
- Increased PTO for hydraulic pump drive by 55%.
- Compact design for reduced installation costs.
- Low noise emission, eliminating the need for expensive insulation.

Technical Data:
- Engine types: F2L2011, F3L2011, BF3L2011, F4L2011, BF4L2011.
- Bore/stroke: 94/112 mm.
- Displacement: 1.55 to 3.11 liters.
- Compression ratio: 17.5 to 18.5.
- Max rated speed: 2800 rpm.
- Power ratings: 23.0 to 58.1 kW at 2800 rpm.
- Max torque: 90 to 230 Nm at 1600-1700 rpm.
- Specific fuel consumption: 205 to 220 g/kWh.
- Weight: 175 to 255 kg.

Construction and Materials:
- Crankcase: Grey cast iron with closed-circuit breather.
- Cylinder head: Block-type cast iron.
- Valve arrangement: Overhead valves with tappets, push rods, and rocker arms.
- Piston: Three-ring piston with oil cooling.
- Crankshaft: Modular cast iron with plain bearings.
- Lubrication: Forged-feed circulation with rotary pump.
- Lube oil cooler: Integrated light metal.
- Fuel system: Single injection pumps with mechanical centrifugal governor.

Optional Features:
- Intake and exhaust manifold connections.
- Hydraulic pumps, engine mounts, oil pans, and dipsticks.
- Alternators (12 and 24 V), oil filter positions, and oil filler neck options.

Dimensions:
- Engine dimensions vary by type, with specific measurements provided for each model.