Dodge Ram 3500 2003-2009 68RFE Transmission Specifications
This document provides a detailed overview of the 68RFE transmission specifications for the 2003-2009 Dodge RAM 3500. It includes critical technical details such as gear ratios, torque capacity, fluid requirements, and shift patterns. These specifications are essential for understanding the transmission's performance, maintenance needs, and compatibility with the RAM 3500. Whether you're a mechanic, enthusiast, or owner, this information is invaluable for diagnosing issues, performing upgrades, or ensuring proper servicing. The guide also highlights common maintenance practices and troubleshooting tips to extend the lifespan of the 68RFE transmission.
Overview Specifications
This document provides detailed specifications and technical information about the 68RFE transmission used in the 2003-2009 Dodge RAM 3500. It is designed to assist users in understanding the transmission's features, performance, and maintenance requirements. The content is organized into sections for easy navigation, with subsections breaking down specific aspects of the transmission. Use the search and navigation instructions to quickly find the information you need.
How to Use
Use the search functionality to locate specific terms or phrases within the document. Enter keywords related to the 68RFE transmission, such as 'torque capacity' or 'gear ratios,' to find relevant sections quickly.
Navigate through the document by scrolling through the sections or using the table of contents. Each major section is divided into subsections, making it easy to find detailed information on specific topics.
Key Specifications
Transmission Type
6-speed automatic
Torque Capacity
650 lb-ft
Gear Ratios
3.09 to 0.69
Towing Capacity
16,000 lbs
Service Interval
60,000 miles
Available Specifications
Transmission Design
This section covers the design and construction of the 68RFE transmission, including its key components and engineering features. Learn about the transmission's architecture and how it contributes to the performance of the Dodge RAM 3500.
Transmission Design
This section covers the design and construction of the 68RFE transmission, including its key components and engineering features. Learn about the transmission's architecture and how it contributes to the performance of the Dodge RAM 3500.
Gear Configuration
- 6-speed automatic transmission
- Three planetary gear sets
- Six forward gears and one reverse gear
- Wide gear ratio spread for improved performance
- Optimized for heavy-duty applications
- Electronically controlled shifting
Construction Materials
- High-strength aluminum alloy casing
- Durable steel gears and shafts
- Advanced friction materials for clutches
- Sealed bearings for reduced maintenance
- Robust internal components for longevity
- Heat-treated components for durability
Performance Specifications
This section provides detailed performance metrics for the 68RFE transmission, including torque capacity, shift quality, and efficiency. Understand how the transmission enhances the driving experience of the Dodge RAM 3500.
Performance Specifications
This section provides detailed performance metrics for the 68RFE transmission, including torque capacity, shift quality, and efficiency. Understand how the transmission enhances the driving experience of the Dodge RAM 3500.
Torque and Power Handling
- Maximum torque capacity of 650 lb-ft
- Designed for high-torque diesel engines
- Smooth power delivery under load
- Enhanced cooling system for heavy-duty use
- Capable of towing up to 16,000 lbs
- Optimized for off-road and towing applications
Shift Quality and Response
- Precise electronic shift control
- Adaptive shift scheduling for varying conditions
- Quick and smooth gear changes
- Reduced shift shock for comfort
- Customizable shift patterns via tuning
- Improved throttle response
Maintenance and Service
This section outlines the maintenance requirements and service intervals for the 68RFE transmission. Learn how to keep the transmission in optimal condition and address common issues.
Maintenance and Service
This section outlines the maintenance requirements and service intervals for the 68RFE transmission. Learn how to keep the transmission in optimal condition and address common issues.
Service Intervals
- Fluid and filter change every 60,000 miles
- Regular inspection of transmission mounts
- Check for leaks and wear periodically
- Monitor fluid levels and condition
- Rebuild recommended at 150,000-200,000 miles
- Use only approved transmission fluids
Common Issues and Solutions
- Address solenoid pack failures promptly
- Replace worn clutch packs as needed
- Inspect and clean valve body regularly
- Check for software updates from the manufacturer
- Ensure proper cooling system function
- Diagnose and repair shift flare issues
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Transmission Specifications
Overview
- Type
- 6-speed automatic
- Configuration
- Rear-wheel drive (RWD) / Four-wheel drive (4WD)
- Platform
- Chrysler 300, Dodge Ram 2500/3500, Jeep Grand Cherokee
- Material
- Aluminum case with steel internals
- Location
- Mounted longitudinally in the vehicle
Dimensions
- Length
- 29.5 inches (749 mm)
- Width
- 22.8 inches (579 mm)
- Height
- 21.6 inches (549 mm)
- Weight
- 240 lbs (109 kg)
- input Shaft Diameter
- 1.125 inches (28.6 mm)
- Output Shaft Diameter
- 1.375 inches (34.9 mm)
- Fluid Capacity
- 12 quarts (11.4 liters)
Materials
- Case
- Aluminum alloy
- Gears
- Hardened steel
- Clutches
- Composite friction material
- Seals
- Viton rubber
- Solenoids
- Stainless steel and brass
Features
- Transmission Control
-
- Electronic shift control
- Adaptive shift scheduling
- Tow/Haul mode
- Manual shift mode
- Cooling
-
- Integrated transmission cooler
- Auxiliary cooler support
- Thermostatically controlled flow
- Performance
-
- Lockup torque converter
- Wide gear ratio spread (4.56:1)
- High-capacity clutch packs
- Durability
-
- Heavy-duty input shaft
- Reinforced planetary gear sets
- High-strength case design
- Diagnostics
-
- On-board diagnostics (OBD-II)
- Fault code storage
- Real-time data monitoring
Safety Features
- Shift interlock
-
- Prevents accidental shifting
- Requires brake pedal engagement
- Overheat Protection
-
- Temperature monitoring
- Reduced power mode
- Fail Safe Mode
-
- Limp-home mode
- Default gear selection
Comfort Features
- Shift Quality
-
- Smooth gear transitions
- Adaptive shift logic
- Noise Reduction
-
- Isolated mounting points
- Precision gear machining
- Driver Assistance
-
- Hill start assist
- Grade braking
- Climate Control
-
- Transmission temperature monitoring
- Cooling system integration
Accessories
- Cooling
-
- Auxiliary transmission cooler
- Thermostatic bypass valve
- Cooler lines
- Mounting
-
- Transmission crossmember
- Mounting brackets
- Isolation mounts
- Electrical
-
- Transmission control module
- Wiring harness
- Solenoid pack
Maintenance
- Service interval
- Every 30,000 miles or 24 months
- Service Items
-
- Fluid and filter replacement
- Pan gasket inspection
- Solenoid function test
- Shift linkage adjustment
- Cooler line inspection
- Maintenance Notes
- Use only Mopar ATF+4 fluid for optimal performance.
Warranty
- Basic
- Miles: 36,000Years: 3Coverage: Bumper-to-bumper
- Powertrain
- Miles: 60,000Years: 5Coverage: Transmission and drivetrain
- Corrosion
- Miles: 100,000Years: 5Coverage: Perforation only
- Emissions
- Miles: 80,000Years: 8Coverage: Federal emissions components
Production Details
- Manufacturer
- Chrysler Group LLC
- Manufacturing Process
-
- Casting of aluminum case
- CNC machining of gears
- Heat treatment of steel components
- Automated assembly
- Quality Control
- inspection: 100% component testingTesting: Dyno testing, Pressure testing, Shift pattern validation
- Sustainability Practices
-
- Recycled aluminum usage
- Closed-loop fluid recycling
- Energy-efficient manufacturing
- Production Metrics
- Units Per Year: Approximately 150,000Defect Rate: Less than 0.5%
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 operation
- Adjust shift linkage
- Inspect cooler lines for damage
Use only Mopar ATF+4 fluid for optimal performance.
- Perform full transmission flush
- Inspect and clean valve body
- Check torque converter operation
- Test transmission pressure
- Inspect electrical connections
Special tools required for pressure testing.
- Replace torque converter
- Inspect and replace worn clutches
- Check planetary gear sets
- Perform transmission overhaul if necessary
- Update transmission control software
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 3500 with a 6.7L Cummins diesel engine. It is not compatible with other Dodge models or engines due to differences in mounting points, torque requirements, and electronic control systems. Always verify compatibility with your vehicle's VIN and consult a professional before attempting any modifications.
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 changing the transmission fluid and filter every 30,000 to 50,000 miles, inspecting for leaks, and ensuring proper fluid levels. Additionally, monitor for signs of wear such as slipping, delayed shifts, or unusual noises. Adhering to the manufacturer's maintenance schedule is crucial for longevity.
Q3 How do I install or replace the 68RFE transmission?
How do I install or replace the 68RFE transmission?
Replacing the 68RFE transmission involves several steps: disconnect the battery, remove the driveshaft, unbolt the transmission crossmember, and disconnect electrical connectors and fluid lines. Lower the transmission using a jack and replace it with a new or rebuilt unit. Reassemble in reverse order, ensuring proper torque specifications and fluid levels. Professional installation is recommended for optimal results.
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 error codes using a diagnostic scanner. If no issues are found, consider testing the solenoids, valve body, or torque converter. For persistent problems, consult a certified technician for a thorough diagnosis.
Q5 How can I optimize the performance of the 68RFE transmission?
How can I optimize the performance of the 68RFE transmission?
To optimize the 68RFE transmission, use high-quality synthetic transmission fluid and ensure proper fluid levels. Consider upgrading the valve body or adding a performance tuner to improve shift firmness and responsiveness. Regularly inspect and maintain the transmission cooling system to prevent overheating. Avoid excessive towing or heavy loads without proper modifications.
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 SoonDetailed service manual covering disassembly, repair, and reassembly of the 68RFE transmission for the 2003-2009 Dodge RAM 3500.
Technical Service Bulletin for 68RFE Shifting Issues
Coming SoonTSB addressing common shifting problems and recommended solutions for the 68RFE transmission.
68RFE Transmission Parts Catalog
Coming SoonComprehensive catalog of OEM and aftermarket parts for the 68RFE transmission, including gaskets, seals, and rebuild kits.
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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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