Engine specifications significantly influence vehicle performance, especially weight. The Dodge 3.9 longblock engine is a dependable option in many Dodge vehicles. Knowing its weight is crucial for engine swaps, transportation, or performance upgrades.
This guide focuses on the weight of the Dodge 3.9 longblock engine and its impact on your vehicle.
What is the Dodge 3.9 Longblock Engine?
The Dodge 3.9 longblock engine is also called the 239 V6. It was used in Dodge trucks and vans from the 1980s to the early 2000s. This engine is known for its strength and reliability.
Key Features of the Dodge 3.9 Longblock Engine
- The engine has a displacement of 3.9 liters (239 cubic inches).
- It is a 90-degree V6 engine configuration.
- Power output ranges from approximately 125 to 180 horsepower, depending on the model year.
- Torque ranges from 195 to 225 lb-ft.
- This engine is found in vehicles like the Dodge Dakota, Ram, and B-series vans.
This engine was made to provide a balance between smaller four-cylinder engines and larger V8s.
The Exact Weight of a Dodge 3.9 Longblock Engine
The Dodge 3.9 longblock engine weighs around 350 to 403 lbs. This weight includes the engine block, cylinder heads, and other key components, but does not include accessories like the alternator, starter, or intake manifold.
Different factors affect the weight of an engine. These include the material used and changes in its components. The material used in an engine plays a key role in its weight. The engine block is made of cast iron, which is heavier than aluminum.
Changes in engine parts like cylinder heads and manifolds can also affect the weight. Even small changes in these parts can make a noticeable difference.
Comparison with Other Dodge Engine Weights
Knowing how the Dodge 3.9 longblock engine compares to other Dodge engines can guide your decisions for swaps or upgrades. This helps you choose the best option for your vehicle’s needs.
| Engine Type | Weight (Approx.) | Material |
| Dodge 3.9 Longblock | 350-403 lbs | Cast Iron |
| Dodge 5.2 V8 Longblock | 510-525 lbs | Cast Iron |
| Dodge 4.7 V8 Longblock | 400-438 lbs | Aluminum |
The Dodge 3.9 longblock engine is similar in weight to other engines in its category, making it a good fit for mid-sized vehicles.
Versus Dodge 5.2 V8
The Dodge 3.9 Longblock is 107 pounds lighter than the 5.2 V8. This makes it better for smaller vehicles with improved weight distribution. A lighter engine boosts handling and performance in lighter trucks and cars.
Versus Dodge 4.7 V8
The 3.9 and 4.7 V8 are similar in weight. However, the 4.7 V8 uses more aluminum, making it lighter in some configurations. The aluminum helps improve fuel efficiency while keeping the engine strong.
Handling and Transporting the Dodge 3.9 Longblock Engine
Transporting a Dodge 3.9 longblock engine requires careful handling due to its weight. Using the right tools and taking necessary precautions ensures safe transportation.
Tools Required for Moving the Engine
To safely move an engine, you’ll need the right tools.
Engine Hoist or Crane
This is important for lifting and placing the engine safely. An engine hoist or crane ensures that the engine is moved without damaging parts. When lifting heavy engines, It allows for movement and control.
Engine Stand
Once the engine is lifted, an engine stand is used to stabilize it during repairs or maintenance. When mechanics rotate the engine for tasks like inspection and cleaning, It provides a secure base.
Heavy-Duty Straps or Chains
These are necessary to secure the engine when lifting or transporting it. Straps or chains prevent the engine from shifting or falling during the move, ensuring it stays in place. They must be durable enough to handle the engine’s weight.
Best Practices for Safe Engine Handling
When handling an engine, safety is key. Always distribute the weight evenly to prevent tipping during lifting. Protective gear, such as gloves and steel-toe boots, reduces the risk of injury. For transport, use a heavy-duty dolly or a flatbed truck to ensure the engine is moved securely.
Engine Weight and Vehicle Performance
The weight of an engine affects how a vehicle performs in different ways. Heavier engines tend to reduce fuel efficiency, meaning the vehicle will use more fuel and get fewer miles per gallon. This can increase the cost of running the vehicle over time, especially if you drive long distances.
Lighter engines, on the other hand, improve handling. They make the vehicle feel more agile and responsive, especially in smaller trucks. With less weight to move, the vehicle can take sharp turns and navigate tight spaces more easily.
For towing, heavier engines are often better. They produce more torque, which helps pull heavy loads without straining. If you need to tow trailers or heavy equipment, a heavier engine can provide the strength needed for the job.
Frequently Asked Questions
How much does a 3.9 Dodge engine weigh?
The Dodge 3.9 longblock engine weighs around 350-403 pounds.
How much does a Dodge engine weigh?
Dodge engines vary in weight. For example, a Dodge 3.9 weighs around 350-403 pounds, while a Dodge 5.2 V8 can weigh 510-525 pounds.
What’s the difference between a longblock and a shortblock engine in terms of weight?
A longblock engine includes more components (like cylinder heads and valve train), making it heavier than a shortblock, which consists only of the block, pistons, and crankshaft.
How much does a Dodge 3.6 engine weigh?
The Dodge 3.6 engine almost weighs around 330 pounds.
How much does a 3.9 Cummins weigh?
The Cummins 3.9L 4BT engine weighs around 745 to 780 pounds.
Can the Dodge 3.9 longblock engine be upgraded with lighter materials?
Yes, components like the cylinder heads or intake manifold can be swapped for lighter materials such as aluminum, which can reduce the engine’s overall weight.
Conclusion
Knowing the weight of the Dodge 3.9 longblock engine is important for maintenance, modifications, and performance. Weighing around 475-500 pounds, it’s known for its durability and functionality. Whether you’re swapping engines or just checking its specs, understanding the weight helps ensure everything goes smoothly.
