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Excavator F4L912 Diesel Engine Complete Air-Cooled Engine for Deutz

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  • F4L912

  • Deutz

发动机海报

The DEUTZ F4L912 is a renowned 4-cylinder, in-line, 4-stroke diesel engine that epitomizes durability and versatility. Famous for its air-cooled design, this naturally aspirated power unit delivers dependable performance where water-cooling systems are impractical or pose a risk. Engineered for ease of maintenance and long service life, the F4L912 is a proven and cost-effective solution for a wide range of mobile and stationary equipment in demanding environments.

Key Technical Specifications

Parameter Specification
Configuration In-line, 4-Cylinder, 4-Stroke
Aspiration Naturally Aspirated
Cooling System Air-Cooled
Displacement 3.77 - 4.3 L
Bore × Stroke 100 mm × 120 mm / 102 mm × 132 mm (varies by variant)
Rated Power Up to 54 kW (approx. 72 HP)
Power Range 32 - 51 kW (at 1500-2500 rpm)
Max. Torque Up to 247 N.m
Compression Ratio 17:1
Emission Level Configurable to regional standards

Primary Applications & Equipment

The DEUTZ F4L912 is a versatile engine platform designed to power essential machinery across multiple sectors. Its primary applications include:

  • Construction & Engineering Machinery: Generators, lighting towers, compaction equipment, and small construction machinery.

  • Agricultural Equipment: Pumps, tractors, and other farm implements.

  • Material Handling: Forklifts and other light industrial vehicles.

  • Specialized Applications: Pumps, compressors, and other industrial power units.

Core Technologies & Key Features

  • Reliable Air-Cooling System: The defining feature is its simple yet robust air-cooled design. This eliminates the need for a radiator, water pump, and hoses, making the engine ideal for operation in remote, dusty, or extreme temperature environments where water is scarce or freezing is a concern.

  • Efficient Direct Injection: The engine utilizes a direct injection fuel system, ensuring optimal combustion for good fuel economy and reliable power output.

  • Modular & Compact Design: Built around a modular system with high parts commonality across cylinder units, the design simplifies maintenance, repairs, and inventory management. Its extremely compact dimensions allow for flexible and space-saving installation in various equipment chassis.

  • High Torque at Low RPM: Designed to deliver high torque at low engine speeds, providing strong pulling power and excellent responsiveness for demanding start-up and load-acceptance tasks.

  • Proven Durability & Global Operation: Constructed with robust components, the engine is built for a long service life and can operate reliably worldwide, even with varying fuel qualities. It features excellent cold-starting capabilities in extreme climates.

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