Deutz D914L04 engine

DEUTZ D914L04 is a 4-cylinder inline, air-cooled diesel engine produced by DEUTZ, suitable for agricultural machinery, engineering machinery, generator sets, pumps, industrial equipment, etc. It is known for its compact structure, air-cooled design, low maintenance requirements, and high reliability, and is particularly suitable for harsh environments (such as high temperatures, deserts, and areas without water sources).

1. Main technical parameters
Parameter Value
Engine type Inline 4-cylinder, 4-stroke, air-cooled diesel engine
Displacement 4.1L (4132cc)
Bore × Stroke 102mm × 132mm
Compression ratio 17:1
Maximum power 44 – 77 HP (32 – 57 kW), depending on the specific version
Maximum torque 250 – 350 N·m
Rated speed 1500 – 2500 rpm
Fuel system Mechanical injection pump
Cooling method Air cooling (no water cooling system required)
Emission standards Meet EPA Tier 2 / Tier 3, some versions meet Euro III
Applicable fuel 0# or lower grade diesel
Lubrication system Oil pressure lubrication
Starting method Electric start or manual start (some versions)
2. Main features
✅ Air-cooled design, no cooling water required: suitable for high temperature, desert, remote areas, no water tank or antifreeze required, simple maintenance.
✅ Compact structure and strong durability: The overall design is sturdy, suitable for harsh working conditions and has a long service life.
✅ Low maintenance cost: There are no cooling components such as water pumps and radiators, which reduces possible failure points.
✅ Fuel economy: Optimize the combustion system, improve fuel efficiency, and reduce operating costs.
✅ Multi-purpose applicability: It can be used for agricultural, industrial, and engineering equipment to adapt to different working conditions.

3. Applicable equipment (examples of some brands)
Agricultural machinery: Deutz-Fahr tractors, harvesters, etc.
Engineering machinery: small excavators, loaders, concrete pumps, rollers
Generator sets: Applicable to 30-60 kW diesel generators
Industrial equipment: air compressors, water pumps, marine machinery, etc.
4. Maintenance recommendations
Oil replacement: It is recommended to replace it every 250-500 hours (depending on the working conditions).
Air filter: Clean or replace regularly, air-cooled engines have higher requirements for the intake system.
Fuel system: Use clean diesel, replace the fuel filter regularly, and keep the fuel injection system unobstructed.
Cooling system: There is no coolant in the air-cooled engine, but it is necessary to ensure that the cooling fan and air flow channel are not blocked.