Dodge Ram 2500 2003-2009 68RFE Transmission Specifications
This document provides detailed technical specifications for the 68RFE transmission used in the 2003-2009 Dodge RAM 2500. It includes information on gear ratios, torque capacity, fluid requirements, and maintenance intervals. These specifications are essential for understanding the transmission's performance, ensuring proper maintenance, and diagnosing issues. Whether you're a mechanic, enthusiast, or owner, this guide offers valuable insights into the 68RFE transmission's design and operation, helping you optimize its longevity and performance.
Overview Specifications
This document provides detailed specifications and technical information about the 68RFE transmission used in the 2003-2009 Dodge RAM 2500. It is designed to assist users in understanding the transmission's features, performance, and maintenance requirements. Use the search and navigation instructions to quickly find relevant information. The document is divided into sections covering key aspects of the 68RFE transmission, including design, operation, and troubleshooting.
How to Use
Use the search bar to enter keywords related to the 68RFE transmission, such as 'gear ratios' or 'fluid capacity.' The search results will highlight relevant sections and subsections for quick access.
Navigate through the document using the table of contents. Each major section is divided into subsections with detailed technical points. Click on a section title to expand and view its contents.
Key Specifications
Gear Ratios
4.71, 3.14, 2.10, 1.67, 1.29, 1.00, 0.67
Torque Capacity
800 lb-ft
Fluid Capacity
12 quarts
Weight
250 lbs
Service Interval
60,000 miles
Available Specifications
Design and Construction
This section covers the design features and construction details of the 68RFE transmission. It includes information about the materials used, internal components, and overall architecture.
Design and Construction
This section covers the design features and construction details of the 68RFE transmission. It includes information about the materials used, internal components, and overall architecture.
Gear Configuration
- 6-speed automatic transmission
- Planetary gearset design
- Three planetary gear sets for optimal torque distribution
- Wide gear ratio spread for improved performance
- Integrated overdrive for fuel efficiency
Materials and Durability
- High-strength steel components
- Heat-treated gears for durability
- Advanced friction materials for clutch packs
- Sealed bearings for reduced wear
- Aluminum transmission case for weight reduction
Performance Specifications
This section provides detailed performance metrics for the 68RFE transmission, including torque capacity, shift patterns, and efficiency.
Performance Specifications
This section provides detailed performance metrics for the 68RFE transmission, including torque capacity, shift patterns, and efficiency.
Torque and Power Handling
- Rated for up to 800 lb-ft of torque
- Designed for heavy-duty applications
- Optimized for towing and hauling
- Enhanced cooling system for sustained performance
- Adaptive shift logic for varying loads
Shift Patterns and Smoothness
- Precision-engineered shift points
- Smooth and consistent gear changes
- Adaptive learning for driver behavior
- Reduced shift shock for comfort
- Manual shift mode for driver control
Maintenance and Troubleshooting
This section outlines maintenance requirements and common troubleshooting tips for the 68RFE transmission. It includes fluid specifications, service intervals, and diagnostic procedures.
Maintenance and Troubleshooting
This section outlines maintenance requirements and common troubleshooting tips for the 68RFE transmission. It includes fluid specifications, service intervals, and diagnostic procedures.
Fluid and Filter Maintenance
- Recommended fluid: ATF+4
- Fluid capacity: 12 quarts (with torque converter)
- Regular fluid and filter changes every 60,000 miles
- Use of synthetic fluid for extended life
- Proper fluid level checks for optimal performance
Common Issues and Solutions
- Delayed or harsh shifts: Check fluid level and condition
- Transmission overheating: Inspect cooling system
- Slipping gears: Verify clutch pack integrity
- Error codes: Use diagnostic tools for troubleshooting
- Regular inspections to prevent major failures
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Transmission Specifications
Overview
- Type
- 6-speed automatic
- Configuration
- Rear-wheel drive (RWD) / Four-wheel drive (4WD)
- Platform
- Chrysler 68RFE
- Material
- Aluminum casing with steel internals
- Location
- Mated to Cummins 6.7L turbo diesel engine
- introduction Year
- 2007
Dimensions
- Length
- 29.5 inches (749 mm)
- Width
- 22.8 inches (579 mm)
- Height
- 20.4 inches (518 mm)
- Weight
- 240 lbs (109 kg)
- input Shaft Diameter
- 1.25 inches (31.75 mm)
- Output Shaft Diameter
- 1.5 inches (38.1 mm)
- Fluid Capacity
- 12 quarts (11.4 liters)
- Torque Converter Diameter
- 12 inches (305 mm)
Materials
- Casing
- Aluminum alloy
- Gears
- Hardened steel
- Clutch Packs
- Composite friction materials
- Seals
- Viton rubber
- Solenoids
- Stainless steel with Teflon coating
Features
- Shift Control
-
- Electronic shift control
- Adaptive shift scheduling
- Tow/Haul mode
- Manual shift mode
- Cooling
-
- Integrated transmission cooler
- Auxiliary cooler compatibility
- Thermostatically controlled cooling
- Performance
-
- Lock-up torque converter
- Wide gear ratio spread (4.69:1)
- High-capacity clutch packs
- Durability
-
- Heavy-duty input shaft
- Reinforced planetary gear sets
- High-strength output shaft
- Electronics
-
- CAN bus communication
- Integrated temperature sensor
- Diagnostic trouble code (DTC) support
Safety Features
- Overheat Protection
-
- Temperature monitoring
- Automatic downshift prevention
- Fail Safe
-
- Limp-home mode
- Default gear engagement
- Shift interlock
-
- Park lock solenoid
- Neutral safety switch
Comfort Features
- Shift Quality
-
- Smooth shift transitions
- Adaptive learning for driver habits
- Noise Reduction
-
- Precision gear machining
- Dampened clutch engagement
- Driver Assistance
-
- Hill start assist
- Grade braking
- Customization
-
- Programmable shift points
- User-selectable modes
Accessories
- Cooling
-
- Auxiliary transmission cooler
- Thermal bypass valve
- Cooler line kit
- Performance
-
- Shift improvement kit
- High-capacity torque converter
- Reinforced flexplate
- Diagnostics
-
- OBD-II scanner
- Transmission temperature gauge
- Pressure test kit
Maintenance
- Service interval
- Every 30,000 miles or 24 months
- Service Items
-
- Fluid and filter replacement
- Pan gasket inspection
- Solenoid pack testing
- Shift linkage adjustment
- Torque converter inspection
- Maintenance Notes
- Use only Mopar ATF+4 transmission fluid for optimal performance.
Warranty
- Basic
- Miles: 36,000Years: 3Coverage: Bumper-to-bumper
- Powertrain
- Miles: 60,000Years: 5Coverage: Transmission and drivetrain components
- Emissions
- Miles: 80,000Years: 8Coverage: Emission-related components
- Corrosion
- Miles: UnlimitedYears: 5Coverage: Perforation from corrosion
Production Details
- Manufacturer
- Chrysler Group LLC
- Manufacturing Process
-
- CNC machining of gears
- Automated assembly line
- Precision balancing
- Quality Control
- Testing: Dyno testing, Pressure testing, Shift pattern validationinspection: Dimensional accuracy, Material hardness, Seal integrity
- Sustainability
-
- Recyclable materials
- Energy-efficient manufacturing
- Waste reduction programs
- Production Metrics
- Units Per Year: Approximately 150,000Defect Rate: Less than 0.5%Lead Time: 4-6 weeks
Service Information for 68rfe transmission Service
Maintenance and service requirements specific to this component
- Replace transmission fluid and filter
- Inspect pan gasket for leaks
- Check solenoid pack operation
- Adjust shift linkage
- Inspect torque converter for wear
Use only Mopar ATF+4 fluid for replacement.
- Perform full transmission flush
- Test valve body operation
- Inspect clutch packs
- Check cooler lines for blockages
- Verify shift points and timing
Special tools required for valve body testing.
- Replace torque converter if necessary
- Overhaul clutch packs
- Inspect and replace worn seals
- Test transmission control module
- Perform full system diagnostics
Major service may require transmission removal.
Common Questions
Find answers to common questions about torque specifications
Q1 Is the 68RFE transmission compatible with other Dodge models?
Is the 68RFE transmission compatible with other Dodge models?
The 68RFE transmission is specifically designed for the 2003-2009 Dodge RAM 2500 and 3500 models. While it shares some similarities with other transmissions, it is not directly compatible with other Dodge models due to differences in mounting points, electronic controls, and torque specifications. Always verify compatibility with your vehicle's VIN and consult a professional before attempting any cross-model installations.
Q2 What are the maintenance requirements for the 68RFE transmission?
What are the maintenance requirements for the 68RFE transmission?
The 68RFE transmission requires regular maintenance to ensure optimal performance. This includes fluid and filter changes every 30,000 to 50,000 miles, depending on driving conditions. Inspect for leaks, monitor fluid levels, and ensure the transmission is not overheating. Regularly check for software updates from Dodge to maintain proper shifting and performance. Neglecting maintenance can lead to premature wear and costly repairs.
Q3 How do I replace the 68RFE transmission in a 2003-2009 Dodge RAM 2500?
How do I replace the 68RFE transmission in a 2003-2009 Dodge RAM 2500?
Replacing the 68RFE transmission involves several steps: disconnect the battery, remove the driveshaft, drain the transmission fluid, and disconnect all electrical connectors and linkages. Support the transmission with a jack, remove the crossmember, and carefully lower the transmission. Installation is the reverse process, ensuring proper alignment and torque specifications. Always refer to the service manual for detailed instructions and safety precautions.
Q4 What are common troubleshooting steps for the 68RFE transmission?
What are common troubleshooting steps for the 68RFE transmission?
Common issues with the 68RFE include harsh shifting, slipping, or failure to engage gears. Start by checking the transmission fluid level and condition. Inspect for leaks, damaged wiring, or faulty sensors. Use a diagnostic tool to read error codes and identify specific problems. If issues persist, consult a professional technician or refer to the service manual for advanced diagnostics and repair procedures.
Q5 How can I optimize the performance of my 68RFE transmission?
How can I optimize the performance of my 68RFE transmission?
To optimize performance, use high-quality transmission fluid and ensure regular maintenance. Consider upgrading the valve body or torque converter for improved shifting and durability. Avoid excessive towing or heavy loads without proper cooling modifications. Regularly update the transmission control module software to benefit from manufacturer improvements. Proper driving habits, such as avoiding abrupt shifts, also contribute to longevity and performance.
Factory Service Resources
Access official service manuals, technical documents, and repair guides. These resources provide detailed procedures, specifications, and diagrams directly from the manufacturer.
68RFE Transmission Service Manual
Coming SoonComprehensive guide covering installation, maintenance, and repair procedures for the 68RFE transmission.
Technical Service Bulletin for 68RFE Transmission
Coming SoonLatest updates and fixes for common issues related to the 68RFE transmission.
68RFE Parts and Accessories Catalog
Coming SoonDetailed catalog of OEM and aftermarket parts for the 68RFE transmission.
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Technical Information
- All specifications, including torque values, fluid capacities, and maintenance procedures, should be verified against your vehicle's factory service manual.
- Vehicle specifications and procedures may vary by model year, trim level, and region.
- Always follow the manufacturer's recommended procedures and safety precautions.
- Working on vehicles can be dangerous. Always take proper safety precautions and use appropriate safety equipment.
- If you're unsure about any procedure, consult a qualified professional mechanic.
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