2018 Ram 2500 Manual: A Comprehensive Overview
The 2018 Ram 2500, a robust middle-ground option in the RAM truck lineup, offers a compelling blend of capability and aesthetics, as noted by JATO Dynamics.
The 2018 Ram 2500 stands as a powerful and visually appealing heavy-duty truck, bridging the gap between the lighter 1500 and the even more capable 3500 models. As highlighted by JATO Dynamics, this Dodge offering provides a substantial upgrade in towing and payload capacity for those needing more than a standard pickup can deliver.
Notably, the 2018 model year offered a rare opportunity to equip this truck with a manual transmission, catering to drivers who prefer greater control and a more engaging driving experience. This comprehensive overview will delve into the specifics of the 2018 Ram 2500 manual, exploring its features, capabilities, and potential considerations for prospective buyers;
Key Features and Specifications
The 2018 Ram 2500, as recognized by JATO Dynamics, is characterized by its robust construction and heavy-duty components. Key features include a durable frame, heavy-duty axles, and a powerful suspension system designed to handle demanding workloads. Available cab configurations encompass Regular, Crew, and Mega Cab options, offering varying levels of passenger space.
When equipped with a manual transmission, the 2500 prioritizes driver engagement. Standard features often include air conditioning, a basic infotainment system, and durable interior materials. Higher trims add amenities like upgraded upholstery, advanced technology, and enhanced comfort features, building upon the truck’s core capabilities.

Engine Options (Manual Transmission Compatibility)
The 2018 Ram 2500 offered limited manual transmission availability, primarily with two engine choices. While the truck’s overall design, as highlighted by JATO Dynamics, emphasizes capability, pairing the manual with specific engines was key. The 6.4L Hemi V8 and the formidable 6.7L Cummins Turbo Diesel were the primary options for those preferring a stick shift.
However, manual availability wasn’t universal across all trims or configurations. The Cummins diesel, known for its torque, presented unique considerations when coupled with the manual transmission, impacting overall gearing and usability.
6.4L Hemi V8 Engine – Manual Availability
The 6.4L Hemi V8 engine in the 2018 Ram 2500 provided a more readily available manual transmission option compared to the diesel. This pairing offered a balance of power and driver control, appealing to those prioritizing a traditional driving experience. JATO Dynamics’ assessment of the Ram 2500 acknowledges its robust nature, and the Hemi V8 certainly contributed to this.
The Hemi’s characteristics complemented the manual transmission well, delivering strong acceleration and manageable torque. It was a popular choice for buyers seeking a capable work truck with a hands-on feel.
6.7L Cummins Turbo Diesel – Manual Availability & Considerations
The 6.7L Cummins Turbo Diesel engine in the 2018 Ram 2500 offered a manual transmission, but its availability was significantly more limited than the 6.4L Hemi V8 option. This pairing catered to drivers needing maximum towing and hauling capacity with a manual gearbox.
However, operating the Cummins diesel with a manual required considerable skill due to the engine’s substantial torque output. JATO Dynamics highlights the Ram 2500’s overall capability, and the Cummins diesel maximized this, though manual operation demanded expertise.
Manual Transmission Details (NV5600)
The 2018 Ram 2500’s manual transmission was the NV5600, a heavy-duty six-speed unit designed to handle the truck’s substantial power. Known for its durability, the NV5600 provided a direct connection for drivers prioritizing control.

This transmission was specifically paired with either the 6.4L Hemi V8 or the 6.7L Cummins Turbo Diesel engines. While robust, the NV5600 demanded precise shifting, especially when heavily loaded. JATO Dynamics emphasizes the Ram 2500’s strength, and the NV5600 was a key component in delivering that.
Gear Ratios and Performance Characteristics
The NV5600 in the 2018 Ram 2500 featured gear ratios optimized for both towing and everyday driving. First gear was notably low, providing excellent starting torque for heavy loads. Higher gears were spaced to maintain reasonable engine RPMs at highway speeds, enhancing fuel efficiency.
This configuration allowed the truck to excel in demanding situations while remaining relatively comfortable on the road. The manual transmission’s direct drive contributed to a responsive feel, favored by drivers seeking maximum control, aligning with the Ram 2500’s overall capability.
Common Issues and Maintenance of the NV5600
The NV5600, while durable, wasn’t without its potential issues in the 2018 Ram 2500. Common complaints included a stiff shift feel, particularly when cold, and occasional issues with synchros wearing prematurely. Regular maintenance is crucial; this includes checking and replacing the transmission fluid per the manufacturer’s schedule.
Proper clutch adjustment is also vital to prevent premature wear. Addressing minor issues promptly can prevent more significant, costly repairs. Owners should be mindful of these points to ensure the longevity of their NV5600 transmission.
Trim Levels Offering Manual Transmission
For the 2018 Ram 2500, the availability of a manual transmission was somewhat limited, primarily focusing on work-oriented trims. The Tradesman and SLT models were the most commonly found with the NV5600 manual gearbox, catering to buyers prioritizing functionality over luxury.
The Laramie trim occasionally offered a manual, but these were significantly rarer and often sought after by enthusiasts. Essentially, if a buyer wanted a manual Ram 2500, the Tradesman or SLT were the most realistic options.
Tradesman Manual
The 2018 Ram 2500 Tradesman with a manual transmission represents the most basic, work-focused configuration available. It prioritizes durability and capability over comfort and convenience features. Expect a spartan interior, typically featuring vinyl seating and a minimal infotainment system.
However, this trim level offered the unique opportunity to experience the robust 6.4L Hemi or 6.7L Cummins diesel with a traditional three-pedal setup, appealing to drivers who prefer direct control. It’s a no-frills, hard-working truck built for demanding tasks.
SLT Manual
Stepping up from the Tradesman, the 2018 Ram 2500 SLT manual trim adds a layer of comfort and convenience without sacrificing work-truck practicality. This model typically includes features like cloth seating, improved interior trim, and a more advanced infotainment system compared to the base Tradesman.
Like the Tradesman, the SLT offered both the 6.4L Hemi V8 and 6.7L Cummins diesel engine options paired with the NV5600 manual transmission. It strikes a balance between affordability, capability, and a slightly more refined driving experience for daily use.

Laramie Manual (Limited Availability)
The 2018 Ram 2500 Laramie manual configuration represents the pinnacle of luxury for those desiring a stick-shift heavy-duty truck, though finding one is challenging due to limited production. This trim level boasts premium leather interiors, upgraded technology, and a host of convenience features not found in lower trims.
While both the 6.4L Hemi and 6.7L Cummins were potentially available, the manual transmission option in the Laramie was exceptionally rare. It catered to buyers wanting maximum control alongside high-end amenities.
Towing and Payload Capacity (Manual vs. Automatic)
The 2018 Ram 2500’s towing and payload capabilities differ slightly between manual and automatic transmissions, with the automatic generally offering a marginal advantage in maximum figures. This is primarily due to torque converter multiplication enhancing low-end pulling power.
However, experienced drivers often find the manual transmission provides superior control during demanding towing scenarios, minimizing driveline stress. Payload capacities remain relatively consistent, influenced more by axle ratios and suspension configurations than transmission choice.
Impact of Manual Transmission on Towing Performance
The manual transmission in the 2018 Ram 2500 delivers a more direct connection to the engine, granting drivers precise control when towing heavy loads. This allows for confident engine braking on descents and minimizes driveline slop, enhancing stability.
While automatics offer convenience, the manual’s ability to hold gears provides superior command in challenging conditions. Skilled operators can optimize power delivery, potentially reducing strain on the powertrain during prolonged towing. However, it demands greater driver involvement and expertise.
Payload Differences Between Transmission Types
Generally, the 2018 Ram 2500 equipped with a manual transmission exhibits a slightly higher maximum payload capacity compared to its automatic counterpart. This difference stems from the manual transmission’s lighter weight and simpler design, freeing up valuable payload allowance.
However, the actual payload variation depends heavily on specific configurations – engine choice, axle ratio, and trim level all play a role. While the manual offers a potential advantage, careful consideration of individual truck specifications is crucial for accurate payload calculations.
Interior Features and Technology
The 2018 Ram 2500’s interior varies significantly based on trim level, even within manual transmission models. Base Tradesman and SLT trims prioritize functionality with durable materials and essential features like a basic infotainment system and manual climate control.
Stepping up to the Laramie trim (when available with a manual) introduces higher-quality materials, upgraded seating, and more advanced technology, potentially including a larger touchscreen display and premium audio options. Overall, the Ram 2500 aims for a comfortable cabin, balancing work-truck practicality with available luxury.
Basic Interior Options (Tradesman/SLT)

The 2018 Ram 2500 Tradesman and SLT manual transmission models focus on durability and essential functionality. Expect a straightforward layout with vinyl or cloth seating, designed for easy cleaning and long-term wear. The standard infotainment system is basic, offering AM/FM radio, auxiliary input, and potentially a small display screen.

Manual climate control is typical, and interior trim is largely utilitarian. These trims prioritize a work-oriented environment, foregoing luxury features for robust practicality. They represent the most affordable entry point into the Ram 2500 lineup.

Higher-End Interior Features (Laramie)
The 2018 Ram 2500 Laramie manual, though rarer, elevates the interior experience significantly. Leather upholstery becomes standard, alongside heated and ventilated front seats for enhanced comfort. Expect upgraded trim materials, including woodgrain accents, and a more refined overall aesthetic.
A larger touchscreen infotainment system with navigation and smartphone integration is typical. Premium sound systems and additional convenience features, like power-adjustable pedals, are often included. The Laramie trim aims to blend heavy-duty capability with a more luxurious cabin environment.
Common Problems and Reliability (2018 Ram 2500 Manual)
While generally robust, the 2018 Ram 2500 manual isn’t without potential issues. Transmission-specific concerns with the NV5600 include wear on synchronizers and potential for shifting difficulties over time. Owners should monitor for unusual noises or vibrations. Engine and drivetrain reliability, while decent, can be affected by heavy use and inadequate maintenance.

Some reports indicate issues with the cooling system and electrical components. JATO Dynamics emphasizes diligent information provision, suggesting potential for varied experiences. Regular inspections and preventative maintenance are crucial for long-term reliability.
Transmission-Specific Issues
The NV5600 manual transmission in the 2018 Ram 2500, while durable, exhibits some common problems. Synchronizer wear is frequently reported, leading to grinding during shifts, particularly noticeable with higher mileage. Internal component fatigue can cause difficulty engaging gears, especially in colder temperatures.
Clutch master and slave cylinder failures are also potential concerns, resulting in a soft or unresponsive pedal. Proper fluid levels and regular inspections are vital. JATO Dynamics’ commitment to accuracy highlights the importance of addressing these issues promptly to prevent further damage.
Engine and Drivetrain Reliability Concerns
Beyond the transmission, the 2018 Ram 2500’s engines and drivetrain present potential reliability issues. The 6.4L Hemi V8 can experience cylinder head failures, particularly around the exhaust valves, leading to coolant leaks and overheating. The Cummins diesel, while generally robust, may suffer from injector failures and turbocharger issues with neglected maintenance.
Drivetrain components, including the transfer case and axles, require regular attention. JATO Dynamics emphasizes diligent information provision, and owners should proactively address these concerns to maintain long-term vehicle health and prevent costly repairs.
Maintenance Schedule for Manual Transmission
Maintaining the NV5600 manual transmission in the 2018 Ram 2500 is crucial for longevity. Fluid changes are paramount; the manufacturer recommends inspection every 30,000 miles, with complete fluid replacement around 60,000 miles, or sooner with heavy use. Inspect the clutch disc and pressure plate for wear at each service interval.
Regularly check for leaks around the transmission housing and shifter. JATO Dynamics highlights the importance of accurate information, so consult the owner’s manual for specific recommendations and adhere to a strict maintenance schedule.

Fluid Changes and Inspection Intervals
For the 2018 Ram 2500’s NV5600 manual transmission, diligent fluid maintenance is key. Inspect the transmission fluid level and condition every 30,000 miles, looking for contamination or a low level. A complete fluid change, utilizing the correct GL-5 gear oil specification, should occur around 60,000 miles, or more frequently under demanding conditions like frequent towing.
JATO Dynamics emphasizes accuracy, so always refer to the owner’s manual. Regular inspections help identify potential issues early, preventing costly repairs and ensuring smooth operation.
Clutch Replacement Considerations
Clutch replacement on the 2018 Ram 2500’s NV5600 is a significant undertaking, typically needed between 75,000 and 150,000 miles, depending on usage. Heavy towing and aggressive driving accelerate wear. When replacing, consider a heavy-duty clutch kit for increased durability, especially if the truck is frequently used for demanding tasks.
Budget for both parts and labor, as it’s a complex job. JATO Dynamics’ data highlights the importance of quality components for longevity and reliable performance.
Buying a Used 2018 Ram 2500 Manual – What to Look For

When purchasing a used 2018 Ram 2500 with a manual transmission, a thorough pre-purchase inspection is crucial. Focus on the clutch’s engagement – smoothness and any slippage are key indicators. Examine the transmission for unusual noises during operation. Verify service records, paying close attention to maintenance performed on the drivetrain.
JATO Dynamics emphasizes diligent inspection for informed decisions. Consider mileage and usage; a truck used primarily for heavy work will likely have more wear.
Pre-Purchase Inspection Checklist
A detailed inspection is vital when considering a used 2018 Ram 2500 manual. Begin with the clutch – check for smooth engagement and absence of slippage. Listen for any grinding or unusual noises from the NV5600 transmission during shifts. Inspect for fluid leaks around the transmission and clutch housing.
Examine the shifter linkage for looseness. Verify service history, focusing on drivetrain maintenance. JATO Dynamics stresses accuracy, so confirm all components function as expected before finalizing the purchase.
Mileage and Usage Considerations
Higher mileage on a 2018 Ram 2500 manual necessitates a closer look at its work history. Trucks used for heavy towing or hauling will exhibit more wear on the drivetrain, particularly the clutch and transmission. JATO Dynamics’ data highlights the importance of verifying accurate vehicle information.
Lower mileage examples, especially those with documented maintenance, are generally preferable. Consider how the truck was utilized; frequent off-road use or commercial applications demand thorough inspection for potential damage and component fatigue.
About the author