4dw81 engine

Types of 4dw81 engines

There are several types of 4dw81 engines, such as the 4dw81 23d, 4DW81E-3A, 4DW81E-23, 4DW81E-23D, 4DW81E-23TD, 4DW81E-23TA, 4DW81E-23TDA, and 4DW81E-41. Now, let’s go over each one of them.

• 4DW81E-3A

The 4DW81E-3A engine is a 3-cylinder, in-line engine with a bore/stroke of 90/100 and a displacement of 1.532L. It adopts a water-cooled turbocharged intercooling engine, and the power and speed are 21kw and 3000r/min, respectively. The engine adopts a P-type fuel injection pump and is equipped with a fully automatic speed control mechanism. The engine has small size, light weight, and low fuel consumption. It also has a high reliability and is suitable for agricultural machinery, construction machinery, and generator sets.

• 4DW81E-23

The 4DW81E-23 engine is a 4-cylinder, in-line engine with a bore/stroke of 81/88 and a displacement of 2.07L. It adopts a water-cooled turbocharged intercooling engine, and the power and speed are 36kw and 2800r/min, respectively. The engine adopts an electric governor and is equipped with a P-type fuel injection pump. The engine has a high reliability and is suitable for agricultural machinery and construction machinery.

• 4DW81E-23D

The 4DW81E-23D engine is a 4-cylinder, in-line engine with a bore/stroke of 81/88 and a displacement of 2.07L. It adopts a water-cooled turbocharged intercooling engine, and the power and speed are 36kw and 2800r/min, respectively. The engine adopts an electric governor and is equipped with a P-type fuel injection pump. The engine has a high reliability and is suitable for agricultural machinery and construction machinery.

• 4DW81E-23TD

The engine 4DW81E-23TD engine is a 4-cylinder, in-line engine with a bore/stroke of 81/88 and a displacement of 2.07L. It adopts a water-cooled turbocharged intercooling engine, and the power and speed are 36kw and 2800r/min, respectively. The engine adopts an electric governor and is equipped with a P-type fuel injection pump. The engine has a high reliability and is suitable for agricultural machinery and construction machinery.

• 4DW81E-23TA

The 4DW81E-23TA engine is a 4-cylinder, in-line engine with a bore/stroke of 81/88 and a displacement of 2.07L. It adopts a water-cooled turbocharged intercooling engine, and the power and speed are 36kw and 2800r/min, respectively. The engine adopts an electric governor and is equipped with a P-type fuel injection pump. The engine has a high reliability and is suitable for agricultural machinery and construction machinery.

• 4DW81E-23TDA

The 4DW81E-23TDA engine is a 4-cylinder, in-line engine with a bore/stroke of 81/88 and a displacement of 2.07L. It adopts a water-cooled turbocharged intercooling engine, and the power and speed are 36kw and 2800r/min, respectively. The engine adopts an electric governor and is equipped with a P-type fuel injection pump. The engine has a high reliability and is suitable for agricultural machinery and construction machinery.

• 4DW81E-41

The 4DW81E-41 engine is a 4-cylinder, in-line engine with a bore/stroke of 81/88 and a displacement of 2.07L. It adopts a water-cooled turbocharged intercooling engine, and the power and speed are 36kw and 2800r/min, respectively. The engine adopts an electric governor and is equipped with a P-type fuel injection pump. The engine has a high reliability and is suitable for agricultural machinery and construction machinery.

Specifications and Maintenance of 4dw81 Engine

Here are the specifications of the 4dw81 engine:

• Model 4dw81-49E1
• Type: Inline, water-cooled, 4-cycle, 4-cylinder diesel engine
• Bore×Stroke(mm): 81×88
• Displacement(L): 1.951
• Combustion system: E-CDIS
• Maximum output (Net) kW/min-1: 37.4/3000
• Maximum torque (Net) N•m/min-1: 137/1800
• Idle speed: 750±50
• Noise Level dB(A): 89
• Dimensions (L×W×H) (mm): 602×445×594
• Weight: 160
• Model 4dw81-57E1
• Type: Inline, water-cooled, 4-cycle, 4-cylinder diesel engine
• Bore×Stroke(mm): 81×88
• Displacement(L): 1.951
• Combustion system: E-CDIS
• Maximum output (Net) kW/min-1: 46.0/3000
• Maximum torque (Net) N•m/min-1: 173/1800
• Idle speed: 750±50
• Noise Level dB(A): 89
• Dimensions (L×W×H) (mm): 602×445×594
• Weight: 160
• Model 4dw81-67E1
• Type: Inline, water-cooled, 4-cycle, 4-cylinder diesel engine
• Bore×Stroke(mm): 81×88
• Displacement(L): 1.951
• Combustion system: E-CDIS
• Maximum output (Net) kW/min-1: 50.7/3000
• Maximum torque (Net) N•m/min-1: 183/1800
• Idle speed: 750±50
• Noise Level dB(A): 89
• Dimensions (L×W×H) (mm): 602×445×594
• Weight: 160
• Model 4dw81-98E1
• Type: Inline, water-cooled, 4-cycle, 4-cylinder diesel engine
• Bore×Stroke(mm): 81×88
• Displacement(L): 1.951
• Combustion system: E-CDIS
• Maximum output (Net) kW/min-1: 72.0/3000
• Maximum torque (Net) N•m/min-1: 265/1800
• Idle speed: 750±50
• Noise Level dB(A): 89
• Dimensions (L×W×H) (mm): 602×445×594
• Weight: 160

Engine maintenance is an important aspect that determines the longevity of the faw 4dw81 23d engine. Here's how to maintain the 4dw81 23d engine:

• Routine Engine Inspection and Servicing

Regular inspections and services can help identify minor problems before they become major problems, optimizing engine performance, improving fuel efficiency, and reducing emissions. During inspection and maintenance, check and adjust the intake and exhaust valve clearances, and check the fuel supply advance angle and control advance angle. Also, adjust if necessary, carry out a compression test on the cylinders, check and adjust the ignition timing, inspect the turbocharger and its controls, check and adjust the cooling system, inspect the cooling fan belt and tensioner, inspect and adjust the engine speed and idle speed, etc.

• Air Filter Maintenance

The air filter is an important component of the engine and is responsible for filtering out dirt and debris from the air before it enters the engine. To keep the air filter in optimal condition, carry out regular inspections and cleaning. If the air filter is too dirty, replace it immediately to ensure proper engine airflow and prevent damage from debris and contaminants.

• Oil Change and Maintenance

Engine oil is essential for engine performance. It provides lubrication to engine components, reducing friction and wear. Over time, the oil becomes dirty and loses its lubricating properties. Regular oil changes can help maintain engine performance and protect engine components. The oil level and quality should be checked regularly. The oil should be replaced according to the manufacturer's recommendations, and filter replacement should be carried out at the same time.

• Cooling System Maintenance

The cooling system is essential for the engine as it maintains the optimal operating temperature. Regularly inspect radiator water levels, antifreeze concentration, and replace antifreeze as needed. Also, check the cooling system for leaks and ensure that all hoses, pipes, and connections are in good condition. If a problem is found, repair or replace the faulty part in a timely manner. Maintaining the cooling system can help prevent overheating and protect the engine.

• Timing Belt Inspection and Replacement

The timing belt plays an important role in the 4dw81 engine, coordinating the timing of the internal components. Over time, the timing belt may wear out, crack, or break, causing severe engine damage. Therefore, regularly inspect the timing belt for wear, cracks, and other damage. Replace the timing belt according to the manufacturer's recommendations or when signs of damage are found. Additionally, replace the tensioner and other related parts to prevent engine failure.

• Battery Maintenance

The battery provides the power needed to start the engine and powers the electrical components when the engine is off. Regularly test the battery voltage and charging system to ensure it is operating normally. Also, check the battery terminals and wires for corrosion and clean them if needed. Check the battery electrolyte level and top up with distilled water if necessary. Maintenance and timely repair of the battery can help ensure reliable engine startup and continuous power supply to electrical components.

How to choose 4dw81 engine

When purchasing a 4dw81 engine, there are several factors to consider. Here are some of the tips:

• Consider the vehicle type and usage:

When selecting a vehicle type, consider the intended purpose and usage of the vehicle. Different types of vehicles are suitable for various applications. For instance, an engine suitable for a truck may not be fit for a car.

• Engine size and power requirements:

Vehicles used in heavy-duty applications require high-powered engines with a larger engine size. Such vehicles can utilize the engine's full potential. On the other hand, vehicles that don’t operate on heavy-duty applications can operate with engines with lower power.

• Consider emissions regulations:

Ensure that the engine selected meets the emissions regulations in the operating region. Many regions have set emissions standards that all vehicles must adhere to. Using an engine that does not meet the standard will lead to non-compliance.

• Compatibility with existing components:

If the old engine is being replaced, ensure that the new engine is compatible with the existing transmission system and other vehicle components. This will eliminate the need for extra modifications, thus saving on cost.

• Reliability and durability:

Reliability and durability are key factors to consider when choosing a 4dw81 engine. A reliable engine will serve for a long time without breakdowns. The engine should also be able to withstand tough environmental conditions.

• After-sales support and warranty:

Choose an engine from suppliers who offer good after-sales support. The engine should also have a warranty in case of any problems. This will give the buyers confidence that the product being sold is of good quality and will meet their needs.

How to DIY and replace of 4dw81 engine

Replacing the 4dw81 23d engine is a step-by-step process. Here's a comprehensive guide to how to DIY and replace the 4dw81 engine.

• Gather the necessary tools

This includes screwdrivers, a socket set and ratchet, a torque wrench, pliers, an engine hoist, safety glasses, rubber gloves, and a fire extinguisher.

• Remove the negative battery terminal using a wrench and disconnect all electrical connections from the engine.
• Drain the engine oil and coolant into suitable containers. Disconnect the fuel lines and remove any remaining hoses or wiring connected to the engine.
• Remove the driveshaft, transmission, and motor mounts. Secure the engine to the hoist and use it to lift the engine out of the vehicle. Take care to clear any obstacles and lower the old engine to the ground.
• Position the new engine on the hoist and carefully align it with the engine bay. Use the hoist to lift the new engine into place.
• Reattach the transmission, driveshaft, and motor mounts. Reconnect the fuel lines, electrical connections, and hoses.
• Refill the engine with fresh oil and coolant. Reconnect the negative battery terminal and ensure all connections are secure.
• Start the engine and check for any leaks, unusual noises, or warning lights. Test drive the vehicle to ensure the engine is running smoothly and the transmission is shifting correctly.

Q and A

Q1. What is the power output of a 4dw81 engine?

A1. The 4dw81 engine's power output is 48 kW (64 hp) at 2400 rpm.

Q2. What is the displacement of the 4dw81 engine?

A2. The 4dw81 engine has a displacement of 1.8 liters.

Q3. What is the fuel capacity of a 4dw81 engine?

A3. The fuel capacity of the 4dw81 engine is 50 liters.

Q4. What is the weight of the 4dw81 engine?

A4. The 4dw81 engine weighs 188 kg.

Q5. What is the maximum torque of the 4dw81 engine?

A5. The maximum torque of the 4dw81 engine is 196 Nm (20 kgm) at 1600 rpm.