Ethan Clarke
The Dodge RAM pickup trucks were first introduced in 1914, and over time, Dodge and RAM became two distinct brands with unique identities. In 2009, Chrysler restructured, leading to the separation of Dodge and RAM trucks, with RAM becoming its own brand in 2010. While the visual differences between the second and third generations of Dodge RAM were subtle, the third generation featured a more powerful radiator grille, an inclined windscreen, and prominent front fenders. In 1998, the second-generation Dodge RAM introduced rounded black plastic side-view mirrors, a revised interior, and instrument panel. More recently, in 2018, RAM started using plastic control arms in its fifth-generation 1500 pickups, combining plastic and steel for lightweight durability and improved fuel economy.
| Characteristics | Values |
|---|---|
| Year of plastic parts introduction | 2018 |
| Plastic parts | Upper control arms |
| Metal parts | Underneath the upper control arms |
| Purpose of plastic parts | Lightweighting strategy, increasing durability, payload, towing, and fuel economy |
| Plastic material | Ultramid B3WG10 GF50, a composite that is 50% glass fiber by weight |
| Plastic control arms designer | Iljin Group, a Tier 1 automotive supplier in South Korea |
| Dodge RAM split | 2009 |
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What You'll Learn
Plastic control arms used since 2018
The Ram 1500 has been using plastic control arms since 2018. Although the upper control arms are made of plastic, they are not entirely made of this material. The plastic exterior is integrated with a steel structure.
The use of plastic in the upper control arms is part of a lightweighting strategy. By substituting composites for metal, Ram has been able to achieve high-tensile strength at a very low weight. This makes the truck lighter, which is good for ride and handling and also improves fuel economy.
The plastic used in the control arms is called Ultramid B3WG10 GF50, a composite that is 50% glass fiber by weight. This composite was designed by the Iljin Group, a Tier 1 automotive supplier in South Korea.
Despite the unusual appearance of the plastic control arms, this design has been proven to work. The control arms, along with their ball joints and bushings, have been holding up well since their introduction in 2018.
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Metal underneath plastic
The Dodge Ram has been an iconic vehicle in the automotive world for decades, known for its rugged design and powerful performance. In recent years, however, some people have raised concerns about the use of plastic in its construction, particularly in the upper control arms. This has sparked debates about the potential benefits and drawbacks of using plastic in such a crucial component.
The upper control arm is an essential part of a vehicle's suspension system, connecting the wheel to the frame and absorbing significant stress from bumps, turns, and braking. Traditionally, these control arms are made from strong materials like steel or aluminum to withstand the forces they encounter.
The use of plastic in the upper control arms of the Dodge Ram has drawn criticism from some mechanics and automotive enthusiasts. They argue that using plastic in such a vital component may compromise durability and long-term reliability, especially when the vehicle is subjected to heavy loads, towing, or hauling. The unusual choice of material has sparked concerns about its ability to handle the demands of a heavy-duty truck.
However, Ram has defended its decision by explaining that the plastic-metal combination is part of a thoughtful design strategy. According to Ram, the upper control arm does not need to support a significant load compared to the lower control arm. By using a composite material that offers high-tensile strength at a very low weight, they can achieve a significant weight reduction. This lightweighting strategy improves fuel economy, enhances performance, and increases payload and towing capacity.
Additionally, the plastic-metal combination addresses concerns about corrosion and vibration. Plastic-coated steel, for example, can help reduce vibration, contributing to a smoother ride. While the visual appearance of the plastic control arms may be unusual, with some comparing them to recycled milk crates, the design has proven its worth. Ram has utilized this design since 2018 in the fifth-generation Ram 1500 (DT), and it continues to be a reliable choice.
In conclusion, while the use of plastic in the Dodge Ram's upper control arms may initially raise concerns, it is important to recognize the engineering strategy behind it. The combination of plastic and metal offers advantages in terms of weight reduction, durability, and performance. As automotive technology evolves, innovative material choices like these can enhance the overall capabilities of vehicles, even those designed for heavy-duty tasks.
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Plastic parts make the car lighter
The use of plastic parts in cars has become increasingly common in recent years. While some may question the durability and strength of plastic car parts, there are several benefits to their use, with one of the most significant advantages being reduced weight.
Lighter cars have become increasingly sought after due to government requirements for greater fuel efficiency. Plastic parts can help to reduce the weight of a vehicle, which in turn reduces fuel consumption. This not only lowers costs for consumers but also helps to reduce greenhouse gas emissions. Despite making up around 50% of a car's volume, plastic components only account for about 10% of its weight.
The use of plastic engine parts is one way to reduce weight. While metal engine parts have traditionally been the norm, plastic engine cylinder blocks can provide the same functionality at a lower weight. The development of fiber-reinforced plastic suitable for injection molding has allowed for the creation of plastic engine parts that can withstand the heat and stress of engine operation.
In addition to engine parts, plastic can be used for a variety of other car components, including bumpers, door panels, windows, and body panels. Plastic parts are also commonly used in the interior of vehicles, such as for glove compartments, center armrests, and storage areas. The use of plastic in these applications can enhance safety, as plastic absorbs more impact in a crash and can help to protect riders.
Furthermore, plastic parts offer design advantages due to their ease of shaping, forming, and molding. This allows for sleeker and more stylish car designs. Plastic parts can also enable new features such as self-driving capabilities, connectivity, and alternative power sources. Overall, the use of plastic parts in cars helps to reduce weight, improve fuel efficiency, enhance safety, and enable new design possibilities.
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Plastic parts improve fuel economy
The use of plastic parts in vehicles has been increasing due to their ability to improve fuel economy. Plastic parts are lighter than their metal counterparts, reducing the overall weight of the vehicle and improving fuel efficiency. This weight reduction strategy is particularly evident in the Dodge Ram pickup trucks, which have utilized plastic parts since the second generation.
The Dodge Ram, known for its powerful engines and rugged design, has embraced plastic components to enhance fuel efficiency. Initially introduced in 1998, the second-generation Dodge Ram featured rounded black plastic side-view mirrors, replacing the previous rectangular design. This change in material and shape contributed to improved aerodynamics, reducing drag and optimizing fuel economy.
In addition to the side-view mirrors, the Dodge Ram incorporated other plastic parts, such as fold-out towing mirrors and an updated instrument panel. These plastic components not only reduced weight but also improved functionality and aesthetics. The use of plastic in these areas allowed for more intricate designs and additional features to be integrated, showcasing the versatility of plastic beyond weight reduction.
While the use of plastic in automotive engineering provides benefits, it has also faced challenges. Traditionally, metal was the predominant material in engine compartments, and transitioning to plastic required careful consideration. Engineers had to design plastic components that could withstand the same conditions as metal parts without sacrificing performance or safety. Moreover, plastic components needed to be designed to fit within the allotted space, requiring collaboration between automakers and suppliers.
Despite these challenges, the advantages of plastic parts in improving fuel economy are significant. Plastic components allow for more intricate shapes and the integration of multiple functions. For example, plastic oil pans can be molded into complex shapes, optimizing space in the engine compartment. This integration of multiple components further reduces weight and improves fuel efficiency, showcasing the innovative ways in which plastic is being utilized to enhance vehicle performance and sustainability.
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Plastic parts increase payload and towing
The Dodge RAM pickup trucks were once the kings of the road. The Dodge brand started in 1900, and in 1914, the Dodge RAM pickups were introduced. Over time, Dodge and RAM became two distinct brands with their own unique identities. In 1993, the redesigned 1994 Ram was introduced at the North American International Auto Show and went on sale on October 1, 1993. This new design included a big-rig-style front end and a large grille that proved popular with consumers.
In 1998, Dodge introduced the 4-door Quad Cab, which was the first extended cab pickup to have four doors. Other changes for 1998 included new rounded black plastic side-view mirrors, new plastic fold-out towing mirrors, a revised interior and instrument panel, dual airbags, and a digital odometer. The interior of the second-generation Dodge Ram was also significantly revised, with a focus on comfort and functionality. It featured a large glove compartment, a center armrest, and additional storage space behind the seats.
In terms of the increased use of plastic parts, while I could not find specific information on how plastic parts increase payload and towing capacity, it is evident that the use of plastic in certain components, such as the mirrors, contributed to the overall redesign and improvements made to the Dodge RAM during the late 1990s. The use of plastic in these parts may have provided benefits such as reduced weight, improved aerodynamics, and enhanced durability, all of which could indirectly contribute to improved payload and towing capabilities.
Additionally, the Dodge RAM underwent a rebranding in 2009, where the company dropped the "Dodge" name, and the trucks became simply "RAM trucks". This allowed for more specialized development, with the RAM lineup focusing on creating more powerful engines and resilient builds.
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Frequently asked questions
Ram was established as its own brand in 2010, after separating from Dodge in 2009.
The separation allowed each brand to focus on its unique strengths. Dodge concentrated on performance cars, while Ram focused on building high-performance trucks.
The second-gen Dodge Ram featured rounded black plastic side-view mirrors, a revised interior, dual airbags, and a digital odometer.
The third generation of the Dodge Ram featured a new body, a more powerful radiator grille, an inclined windscreen, and more prominent front fenders.
Yes, Ram trucks have used plastic in their designs. For example, the 2025 Ram 1500 features plastic upper control arms, which are combined with metal to create a lightweight and durable design.
