The 68RFE six-speed automatic transmission is manufactured by FCA US LLC (formerly Chrysler Group LLC). This heavy-duty transmission is designed for longitudinal engine applications and is commonly found in Dodge Ram heavy-duty pickup trucks and some commercial vehicles. It is known for its robust construction and ability to handle significant torque output from diesel and gasoline engines.
This transmission plays a crucial role in providing reliable power delivery and towing capability in demanding applications. Its development represents a significant advancement in heavy-duty transmission technology, contributing to the performance and durability expected by owners of these vehicles. The history of this transmission is closely tied to the evolution of heavy-duty pickup trucks and their increasing power and towing capacities.
Further exploration of topics such as specific applications, technical specifications, common maintenance requirements, and potential troubleshooting issues will provide a comprehensive understanding of this transmission’s capabilities and significance within the automotive industry.
1. FCA US LLC (Stellantis)
FCA US LLC, now operating under the Stellantis umbrella, holds exclusive responsibility for the 68RFE transmission’s manufacture. This integral connection stems from the transmission’s initial development within Chrysler Group LLC (a predecessor to FCA US LLC) specifically for its heavy-duty truck lineup. This in-house development and subsequent production strategy ensure tight control over quality, design, and integration with other powertrain components. The Kokomo, Indiana transmission plant serves as the sole manufacturing facility for the 68RFE, further solidifying the direct link between Stellantis and this transmission. This concentrated production allows for specialized expertise and efficient supply chain management within the Stellantis network.
Examples of vehicles equipped with the 68RFE, such as the Ram 2500 and 3500 heavy-duty pickup trucks, clearly demonstrate this connection. These trucks, core products within the Stellantis portfolio, rely on the 68RFE for handling the substantial torque generated by their diesel and gasoline engines. Furthermore, the application of the 68RFE in certain commercial vehicles underscores its role as a robust and dependable powertrain component vital to Stellantis’s commercial vehicle offerings.
Understanding the exclusive manufacturing relationship between Stellantis and the 68RFE transmission provides valuable context for maintenance, repairs, and parts sourcing. It emphasizes the importance of relying on Stellantis-authorized service centers or parts distributors for genuine components and specialized expertise. This connection also highlights Stellantiss commitment to heavy-duty powertrain technology and its continued investment in its Kokomo, Indiana manufacturing facility.
2. Heavy-duty transmission
The 68RFE’s classification as a heavy-duty transmission directly relates to its manufacturer, Stellantis (formerly FCA US LLC), and their focus on equipping heavy-duty vehicles with robust powertrain components. This designation signifies the transmission’s intended use in demanding applications requiring higher torque capacity and durability, such as towing heavy loads and operating under strenuous conditions. Stellantis, recognizing the need for a transmission capable of withstanding these stresses, developed the 68RFE specifically for their line of Ram heavy-duty trucks and certain commercial vehicles. The design and construction of the 68RFE reflect this heavy-duty focus, incorporating features like strengthened internal components and advanced control systems to manage increased power and torque output from larger diesel and gasoline engines.
The practical implications of this connection are significant. Vehicles equipped with the 68RFE, such as Ram 2500 and 3500 trucks, gain enhanced towing and hauling capabilities, making them suitable for demanding work and recreational activities. This heavy-duty design also contributes to improved longevity and reliability in challenging operating environments. Furthermore, the association between Stellantis and the 68RFE underscores the manufacturer’s commitment to providing durable and performance-oriented powertrain solutions for its heavy-duty vehicle customers. This commitment extends to the specialized maintenance and repair services offered through Stellantis-authorized service centers, ensuring proper care for these robust transmissions.
In summary, the 68RFE’s heavy-duty classification directly reflects its intended use and the manufacturer’s strategic focus on providing durable and capable powertrain solutions. This understanding is crucial for vehicle owners and service professionals alike, informing appropriate maintenance practices and emphasizing the importance of utilizing authorized service channels. The 68RFE stands as a key component in Stellantis’s heavy-duty vehicle lineup, contributing significantly to the performance, reliability, and overall capability of these vehicles.
3. Six-speed automatic
The 68RFE’s classification as a six-speed automatic transmission is a crucial aspect of its identity and functionality, directly linked to its manufacturer, Stellantis. This design choice reflects a balance between performance, fuel efficiency, and towing capability, key considerations for the heavy-duty vehicles in which it is commonly found.
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Gear Ratios and Torque Capacity
The six forward gear ratios within the 68RFE are strategically chosen to provide optimal power delivery and fuel economy across a range of operating conditions. The transmission’s ability to handle high torque output is a direct result of Stellantis’s engineering, enabling the 68RFE to manage the substantial power generated by the diesel and gasoline engines typically found in heavy-duty Ram trucks. This careful calibration of gear ratios contributes to the transmission’s ability to balance performance and efficiency.
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Electronic Control and Shift Strategies
The 68RFE incorporates sophisticated electronic controls governing shift patterns and overall transmission behavior. This allows for adaptive shift strategies based on driving conditions and load, optimizing performance and fuel efficiency. The electronic control system, developed by Stellantis, is integral to the transmission’s responsiveness and its ability to seamlessly manage power delivery in various scenarios, from towing heavy trailers to navigating city traffic.
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Tow/Haul Mode and its Implications
The Tow/Haul mode, a feature within the 68RFE’s electronic control system, further emphasizes its connection to Stellantis’s focus on heavy-duty applications. This mode adjusts shift patterns and torque converter lockup strategies for optimal towing performance, reducing strain on the transmission and improving fuel economy while hauling heavy loads. This feature underscores Stellantis’s recognition of the 68RFE’s primary role in enabling the towing capabilities of Ram trucks and other heavy-duty vehicles.
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Impact on Driving Experience and Fuel Economy
The six-speed automatic design contributes significantly to the overall driving experience in vehicles equipped with the 68RFE. The smooth, controlled shifting provided by the electronic controls enhances driver comfort, particularly in heavy-duty applications where frequent shifting might otherwise be necessary. Moreover, the optimized gear ratios and adaptive shift strategies work in tandem to improve fuel economy, a critical factor for heavy-duty truck owners.
The 68RFE’s six-speed automatic configuration, coupled with its advanced electronic controls and features like Tow/Haul mode, directly reflects Stellantis’s focus on providing a balanced and capable powertrain solution for demanding applications. This understanding is crucial for appreciating the engineering behind the transmission and its role in enabling the performance and functionality of heavy-duty vehicles. The interplay between the number of gears, electronic controls, and specialized features showcases Stellantis’s commitment to innovation and meeting the specific needs of its heavy-duty vehicle customers.
4. Longitudinal engine application
The 68RFE transmission’s design for longitudinal engine applications is intrinsically linked to its manufacturer, Stellantis, and the specific vehicle platforms for which it is intended. Longitudinal mounting, where the engine’s crankshaft is oriented parallel to the vehicle’s length, is typical in rear-wheel-drive and four-wheel-drive trucks and larger vehiclesthe core market for Stellantis’s Ram trucks and heavy-duty vehicle lineup. This configuration necessitates a transmission designed to accommodate the inline power flow from the engine to the driveshaft, a key factor influencing the 68RFE’s architecture. Stellantis engineered the 68RFE specifically to meet these requirements, contributing to the efficient transfer of power and torque in heavy-duty applications. This targeted design choice reflects a strategic alignment between the transmission’s capabilities and the intended vehicle platforms within the Stellantis portfolio.
The Ram 2500 and 3500, quintessential examples of vehicles utilizing the 68RFE, demonstrate the practical significance of this longitudinal engine application. These trucks, known for their towing and hauling capacities, benefit from the 68RFE’s ability to manage high torque loads generated by their longitudinally mounted engines. The alignment of engine and transmission orientation ensures optimal power delivery to the rear or all four wheels, critical for handling heavy loads and navigating challenging terrains. This synergy between engine placement and transmission design underscores Stellantis’s engineering expertise in optimizing performance within specific vehicle architectures.
Understanding the connection between the 68RFE’s longitudinal application and Stellantis’s vehicle strategy provides valuable context for interpreting the transmission’s strengths. This design characteristic directly influences the transmission’s suitability for heavy-duty use, its integration within specific vehicle platforms, and the overall performance dynamics of those vehicles. Recognizing this connection reinforces the importance of considering vehicle architecture when evaluating transmission choices and emphasizes Stellantis’s targeted approach to powertrain development.
5. Ram Trucks
Ram trucks, a prominent brand within the Stellantis portfolio, are intrinsically linked to the 68RFE transmission. This connection stems from the transmission’s specific design and intended application within heavy-duty Ram truck models. Exploring the relationship between Ram trucks and the 68RFE provides valuable insights into the transmission’s real-world application and its impact on vehicle performance.
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Heavy-Duty Applications
The 68RFE is predominantly found in Ram’s heavy-duty truck models, such as the 2500 and 3500. These trucks are designed for demanding tasks like towing heavy trailers and hauling substantial payloads, requiring a robust transmission capable of handling increased torque and stress. The 68RFE’s presence in these models signifies its role in enabling the core functionality of these heavy-duty workhorses.
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Power and Torque Management
Ram trucks often utilize powerful diesel and gasoline engines generating substantial torque. The 68RFE plays a crucial role in managing and efficiently transferring this power to the wheels. The transmission’s robust internal components and advanced electronic controls are specifically designed to withstand the stresses associated with high torque output, ensuring reliable performance and longevity in demanding applications.
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Towing and Hauling Capabilities
A key selling point of Ram heavy-duty trucks is their impressive towing and hauling capacity. The 68RFE directly contributes to this capability by providing the necessary gear ratios and torque converter characteristics to handle heavy loads. Features like the Tow/Haul mode, specifically designed for towing applications, further enhance the truck’s performance when pulling trailers or carrying heavy payloads.
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Real-World Performance and User Experience
The integration of the 68RFE in Ram trucks directly influences the real-world driving experience, particularly for those utilizing the trucks for towing or hauling. The transmission’s smooth shifting, responsive performance under load, and ability to handle high torque output contribute to a confident and controlled driving experience, even when dealing with challenging conditions.
The close relationship between Ram trucks and the 68RFE transmission highlights the strategic alignment between vehicle design and powertrain engineering within the Stellantis ecosystem. The 68RFE’s presence in Ram heavy-duty trucks underscores its importance in delivering the performance, capability, and user experience expected from these vehicles. This connection further emphasizes the importance of understanding the 68RFE’s characteristics when considering the overall capabilities of Ram heavy-duty trucks.
6. Commercial Vehicles
The inclusion of commercial vehicles within the scope of the 68RFE transmission’s application broadens the understanding of its manufacturer, Stellantis (formerly FCA US LLC), and their strategic market positioning. While prominently featured in Ram heavy-duty trucks, the 68RFE’s presence in certain commercial applications demonstrates Stellantis’s intention to leverage this robust transmission across a wider range of demanding use cases. This expansion beyond the consumer truck market signifies the 68RFE’s versatility and its suitability for vehicles requiring reliable high-torque power delivery.
Several factors contribute to the 68RFE’s suitability for commercial applications. Its robust construction, designed to withstand the stresses of heavy towing and hauling, translates well to the demanding requirements of commercial use. The transmission’s ability to handle high torque output from powerful diesel engines is a crucial asset in commercial settings where payload capacity and efficient power delivery are paramount. Examples include certain medium-duty trucks, delivery vehicles, and other specialized commercial platforms requiring robust and dependable powertrains. Moreover, the availability of specialized tuning and control options for the 68RFE allows for customization tailored to specific commercial needs, optimizing performance and efficiency within diverse operational environments. This adaptability enhances the transmission’s appeal within the commercial sector.
The 68RFE’s presence in the commercial vehicle market underscores Stellantis’s commitment to providing comprehensive powertrain solutions across a diverse range of applications. Understanding this broader context expands the appreciation for the 68RFE’s capabilities beyond the consumer truck market and reveals its strategic importance within Stellantis’s overall product portfolio. Recognizing this connection provides a more complete perspective on the 68RFE’s design, intended use, and its contribution to the commercial vehicle landscape.
7. Kokomo, Indiana Plant
The Kokomo, Indiana transmission plant plays a pivotal role in the manufacturing of the 68RFE transmission. This facility, operated by Stellantis, serves as the exclusive production site for this heavy-duty automatic transmission. The plant’s dedicated focus on transmission manufacturing, coupled with its specialized workforce and advanced equipment, ensures consistent quality control and efficient production of the 68RFE. This direct link between the Kokomo plant and the 68RFE reinforces the transmission’s status as a key component within the Stellantis manufacturing ecosystem. Locating the sole production site for this essential component in Kokomo centralizes expertise and streamlines the supply chain for Stellantis.
The Kokomo plant’s significance extends beyond simply assembling the 68RFE. Its location within the United States contributes to domestic job creation and supports the local economy. Furthermore, the plant’s focus on advanced manufacturing techniques and quality control processes ensures that the 68RFE meets stringent performance and durability standards. This dedication to quality directly influences the reliability and longevity of the transmission in demanding heavy-duty applications. The Kokomo plant’s contributions extend to research and development efforts related to transmission technology, further solidifying its role as a center of excellence within Stellantis’s manufacturing network. This commitment to innovation ensures that the 68RFE remains a competitive and technologically advanced transmission within the automotive industry.
Understanding the Kokomo plant’s integral role in the production of the 68RFE provides valuable context for appreciating the transmission’s quality, reliability, and overall significance. The plant’s dedicated focus on transmission manufacturing, combined with its location within the United States and its commitment to advanced manufacturing processes, underscores the strategic importance of the 68RFE within the Stellantis portfolio. Recognizing this connection strengthens the understanding of the transmission’s development, production, and its ultimate contribution to the performance and capability of the vehicles in which it is installed.
8. Licensed production (none)
The absence of licensed production for the 68RFE transmission underscores the exclusive manufacturing relationship between Stellantis (formerly FCA US LLC) and this specific powertrain component. This signifies that no other automotive manufacturers are authorized to produce or assemble the 68RFE, solidifying Stellantis’s complete control over its design, production, and distribution. This exclusivity has several implications, influencing factors such as quality control, parts availability, and the overall market dynamics surrounding the 68RFE. By maintaining sole manufacturing rights, Stellantis retains tight control over the transmission’s quality and ensures consistency across all units produced. This also allows for direct management of the supply chain, influencing parts availability and pricing.
The practical significance of this exclusive manufacturing arrangement is evident in several areas. For vehicle owners, it means that genuine 68RFE components are exclusively available through Stellantis-authorized channels. This streamlines parts sourcing but also reinforces the importance of relying on authorized service centers for repairs and maintenance to ensure proper expertise and genuine parts. For the automotive market, the lack of licensed production creates a unique situation where the 68RFE is inextricably linked to Stellantis vehicles. This reinforces the brand identity of Ram trucks and other vehicles equipped with the 68RFE, as they offer a powertrain component not found elsewhere. This exclusivity can influence purchasing decisions for consumers seeking specific capabilities associated with the 68RFE.
In summary, the absence of licensed production for the 68RFE solidifies Stellantis’s complete control over this key powertrain component. This exclusivity impacts various aspects of the transmission’s lifecycle, from manufacturing and quality control to parts availability and market dynamics. Understanding this connection provides valuable context for vehicle owners, service professionals, and anyone seeking a comprehensive understanding of the 68RFE’s position within the automotive industry. It emphasizes the strategic importance of this transmission within the Stellantis portfolio and its unique status as an exclusively manufactured component.
9. In-house manufacturing
In-house manufacturing of the 68RFE transmission by Stellantis (formerly FCA US LLC) forms a cornerstone of its identity and market positioning. This strategic decision directly influences several key aspects of the transmission, including quality control, integration with other vehicle components, and overall brand identity. By retaining complete control over the manufacturing process, Stellantis can ensure adherence to stringent quality standards and maintain a close connection between the transmission’s design and its implementation within their vehicles. This vertical integration allows for optimized compatibility between the 68RFE and other powertrain components, contributing to enhanced performance and reliability. Examples of this integration are evident in the coordinated development of the 68RFE with specific Ram truck engines and drivetrain systems, resulting in a cohesive and efficient powertrain package.
The practical significance of in-house manufacturing extends beyond technical considerations. It allows Stellantis to directly manage the supply chain for the 68RFE, influencing factors such as production volume, parts availability, and cost control. This direct oversight contributes to greater responsiveness to market demands and allows for adjustments to production schedules as needed. Furthermore, in-house manufacturing reinforces the connection between the 68RFE and the Stellantis brand, contributing to a distinct product identity and potentially influencing consumer perceptions of quality and performance. This association can be a differentiating factor in a competitive market, strengthening brand loyalty and potentially commanding a price premium. The dedication to in-house production also allows Stellantis to invest in specialized expertise and equipment at their Kokomo, Indiana facility, further enhancing their manufacturing capabilities and contributing to the long-term viability of the 68RFE.
In summary, in-house manufacturing of the 68RFE transmission represents a strategic decision by Stellantis with significant implications for quality control, integration, brand identity, and market positioning. This approach allows for tight control over the entire production process, from design and engineering to assembly and distribution. The direct benefits include enhanced quality, optimized integration with other vehicle components, and a stronger connection between the transmission and the Stellantis brand. These factors collectively contribute to the 68RFE’s reputation as a robust and capable heavy-duty transmission, playing a key role in the success of Stellantis vehicles in demanding applications.
Frequently Asked Questions
This section addresses common inquiries regarding the 68RFE transmission, providing concise and informative responses to clarify potential misconceptions and enhance understanding.
Question 1: Who manufactures the 68RFE transmission?
The 68RFE transmission is exclusively manufactured by Stellantis (formerly FCA US LLC) at their Kokomo, Indiana plant.
Question 2: In which vehicles is the 68RFE transmission typically found?
The 68RFE is primarily found in Ram heavy-duty trucks (e.g., 2500, 3500) and select commercial vehicles requiring robust powertrains.
Question 3: Is the 68RFE transmission available for purchase separately?
While available as a replacement part, the 68RFE is not typically sold as a standalone unit for custom vehicle projects due to its integrated design within Stellantis vehicles.
Question 4: What are the key characteristics of the 68RFE transmission?
The 68RFE is a six-speed automatic transmission designed for longitudinal engine applications, specifically engineered for heavy-duty use and high torque capacity.
Question 5: Where can one obtain genuine 68RFE parts and service?
Genuine 68RFE parts and specialized service are available exclusively through Stellantis-authorized dealerships and service centers.
Question 6: Are there any common issues associated with the 68RFE transmission?
While generally robust, potential issues can arise with any complex mechanical system. Consulting official Stellantis resources or authorized service centers is recommended for accurate diagnostics and repairs.
Understanding these key aspects of the 68RFE transmission ensures proper maintenance, informed repair decisions, and a clearer understanding of its role within the automotive landscape.
Further sections will delve into more specific technical details, maintenance recommendations, and potential troubleshooting guidance related to the 68RFE transmission.
Maintenance and Longevity Tips for the 68RFE Transmission
Maintaining the 68RFE transmission proactively contributes significantly to its operational lifespan and performance. These guidelines offer practical advice for ensuring optimal function and longevity.
Tip 1: Regular Fluid and Filter Changes
Adhering to the manufacturer’s recommended fluid and filter change intervals is crucial. Severe-duty usage often necessitates more frequent changes. Consult official documentation for specific intervals based on driving conditions.
Tip 2: Appropriate Fluid Selection
Using the correct transmission fluid, as specified by Stellantis, is essential for optimal performance and preventing damage. Substitutions may compromise the transmission’s intricate components and void warranties.
Tip 3: Temperature Monitoring
Excessive heat can drastically reduce transmission lifespan. Monitoring transmission temperature, especially during heavy towing or hauling, helps identify potential issues early. Consider auxiliary transmission coolers for demanding applications.
Tip 4: Professional Servicing
Entrusting maintenance and repairs to qualified technicians with expertise in the 68RFE transmission is paramount. Specialized tools and knowledge are essential for accurate diagnostics and effective repairs.
Tip 5: Load Management
Respecting the vehicle’s towing and payload limits prevents undue stress on the transmission. Overloading can lead to premature wear and potential damage to internal components.
Tip 6: Tow/Haul Mode Utilization
Utilizing the Tow/Haul mode when towing or hauling heavy loads optimizes shift patterns and reduces strain on the transmission. This feature is specifically designed for these demanding applications.
Tip 7: Prompt Attention to Warning Signs
Addressing unusual noises, shifting difficulties, or performance issues promptly can prevent minor problems from escalating into major repairs. Early diagnosis often reduces repair costs and minimizes downtime.
Consistent adherence to these maintenance practices significantly contributes to the long-term health and performance of the 68RFE transmission, ensuring reliable operation and maximizing its service life.
The following conclusion summarizes the key takeaways regarding the 68RFE transmission and its importance within the automotive landscape.
Conclusion
Exploration of the 68RFE transmission reveals its exclusive manufacture by Stellantis at their Kokomo, Indiana facility. This heavy-duty, six-speed automatic transmission, designed for longitudinal engine applications, finds primary application in Ram heavy-duty trucks and select commercial vehicles. Stellantis’s in-house production ensures tight quality control and integration within their vehicle platforms. The absence of licensed production reinforces this exclusivity. The 68RFE’s design features, including its six gear ratios, electronic controls, and Tow/Haul mode, contribute to its capability and performance in demanding applications. Understanding the transmission’s intended use, maintenance requirements, and the exclusive relationship with Stellantis provides a comprehensive perspective on its significance within the automotive landscape.
The 68RFE transmission represents a significant achievement in heavy-duty powertrain engineering. Its continued evolution and integration within future vehicle platforms will likely shape the landscape of heavy-duty vehicle technology. Proper understanding of this transmission’s capabilities and maintenance requirements is crucial for maximizing its performance and operational lifespan, ensuring its continued contribution to the automotive industry.
