Deutz Unveils BF4M 2011 Diesel Engines Engineering Innovations

Imagine a heavy excavator swinging its massive arm in rugged mining terrain, a road roller tirelessly compacting asphalt on highways, or a generator providing reliable electricity in remote areas. These diverse applications might share a common powerhouse—the DEUTZ BF4M 2011 series diesel engine. Today, we examine this engineering marvel's technical specifications to understand what makes it exceptional.

Compact Design, Impressive Power

The BF4M 2011 is an inline four-cylinder turbocharged diesel engine developed by DEUTZ. Its standout features include a compact structure and high power density, making it ideal for construction equipment, agricultural machinery, and power generation systems. Key specifications:

These specifications reveal an engine that delivers substantial power while maintaining a compact footprint—critical for equipment requiring space-efficient power solutions like compact excavators or skid-steer loaders.

Performance: Versatile Power Delivery

• Peak Torque: 270 N·m @ 1,600 rpm
• Intermittent Power Output: 45.5–65 kW (depending on rpm)
• Continuous Power Output: 41–62 kW
• Fuel Consumption: 215–234 g/kWh at maximum power

The engine's strong low-end torque proves particularly valuable for construction equipment operating in challenging conditions. Its stable power delivery across various rpm ranges accommodates diverse operational needs, while competitive fuel efficiency helps reduce operating costs.

Key Systems: Engineering Excellence

Fuel System

Utilizing direct injection technology, this system enables precise fuel delivery and efficient combustion. Notable specifications include:

• Maximum fuel lift pump suction head: 3 m
• Replaceable fuel filter cartridge design
• Idle speed: 900 rpm

Air Management

The turbocharged intake and optimized exhaust system enhance performance while meeting emission standards:

• Maximum intake air flow: 370 m³/h at full power
• Exhaust gas temperature: 620°C at maximum output
• Compliant with EPA Tier 2 and EU Stage II emissions standards

Cooling & Lubrication

An external oil cooling system maintains optimal operating temperatures:

• Coolant flow rate: 2,400 L/h at maximum rpm
• Forced lubrication system with 40 L/min oil flow
• 500-hour oil change interval

Applications: Powering Diverse Industries

• Construction: Compact excavators, rollers, pavers
• Agriculture: Tractors, harvesters, sprayers
• Power Generation: Mobile and stationary generator sets
• Industrial: Air compressors, water pumps

Conclusion: A Reliable Power Solution

The DEUTZ BF4M 2011 stands out as a robust, efficient diesel engine that combines compact dimensions with impressive performance. Its engineering excellence, demonstrated through advanced fuel systems, effective thermal management, and versatile power delivery, makes it a preferred choice across multiple industries. For equipment requiring dependable power in constrained spaces, this engine represents a compelling technical solution.