Dodge Ram 3500 2010-2018

Dodge Ram 3500 2010-2018 68RFE Transmission Specifications

This document provides a detailed overview of the 68RFE transmission specifications for the 2010-2018 Dodge RAM 3500. It includes technical details such as gear ratios, torque capacity, fluid requirements, and shift patterns. The specifications are essential for understanding the transmission's performance, maintenance needs, and compatibility with other components. This resource is valuable for mechanics, enthusiasts, and owners looking to optimize their vehicle's performance, troubleshoot issues, or perform upgrades. The information is derived from official service manuals and technical guides, ensuring accuracy and reliability.

Updated Jan 22, 2025

Overview Specifications

This document provides detailed specifications and technical information about the 68RFE transmission used in the 2010-2018 Dodge RAM 3500. It is designed to assist technicians, enthusiasts, and owners in understanding the transmission's features, maintenance, and performance. Use the search and navigation instructions to quickly locate specific details or browse through the sections for comprehensive insights.

How to Use

Use the search functionality by entering keywords related to the 68RFE transmission, such as 'torque capacity' or 'gear ratios'. This will help you find specific information quickly.

Navigate through the document by scrolling through the sections or using the table of contents. Each section is organized into subsections for easy access to detailed information.

Key Specifications

▲

Transmission Type

6-speed automatic

■

Torque Capacity

800 lb-ft

●

Fluid Capacity

13.5 quarts

◆

Towing Capacity

31,210 lbs

★

Gear Ratios

3.23:1 to 0.63:1

Available Specifications

General Specifications

This section covers the basic specifications of the 68RFE transmission, including its design, compatibility, and key features. It provides a foundation for understanding the transmission's capabilities and applications.

Design and Compatibility

6-speed automatic transmission
Designed for heavy-duty applications
Compatible with 2010-2018 Dodge RAM 3500 models
Integrated with Cummins diesel engines
Electronically controlled with adaptive learning
Includes overdrive and lock-up torque converter

Key Features

High torque capacity for towing and hauling
Durable construction for long-term reliability
Smooth shifting with optimized gear ratios
Enhanced cooling system for heavy-duty use
Integrated diagnostics for easy troubleshooting
Factory-tested for performance and durability

Performance and Capabilities

This section delves into the performance metrics and capabilities of the 68RFE transmission, including torque handling, gear ratios, and towing capacity. It highlights the transmission's strengths in demanding conditions.

Torque Handling

Rated for up to 800 lb-ft of input torque
Designed to handle heavy loads and steep grades
Robust clutch packs for enhanced durability
Optimized for high-stress driving conditions
Supports frequent towing and hauling
Engineered for consistent performance under load

Gear Ratios

First gear: 3.23:1
Second gear: 1.84:1
Third gear: 1.41:1
Fourth gear: 1.00:1
Fifth gear: 0.82:1
Sixth gear: 0.63:1

Towing Capacity

Supports towing up to 31,210 lbs
Integrated tow/haul mode for optimized shifting
Enhanced cooling for extended towing periods
Stable performance under heavy loads
Designed for frequent stop-and-go towing
Reliable in extreme weather conditions

Maintenance and Service

This section provides guidance on maintaining and servicing the 68RFE transmission. It includes recommended service intervals, fluid specifications, and common troubleshooting tips.

Service Intervals

Fluid and filter change every 60,000 miles
Regular inspection of transmission mounts
Check for leaks and wear during routine maintenance
Update software for adaptive learning system
Inspect cooling system for debris or blockages
Monitor transmission temperature during heavy use

Fluid Specifications

Use Mopar ATF+4 transmission fluid
Fluid capacity: 13.5 quarts (with torque converter)
Ensure fluid is clean and free of contaminants
Check fluid level with engine running and warm
Replace fluid if discolored or burnt
Avoid mixing different types of transmission fluid

Troubleshooting Tips

Check for error codes using diagnostic tools
Inspect wiring and connectors for damage
Test solenoid operation for proper shifting
Monitor for unusual noises or vibrations
Verify proper operation of the torque converter
Consult service manual for advanced diagnostics

Search Specifications

Search by specification name, value, or description

Transmission Specifications

Overview

Type: 6-speed automatic

Configuration: Longitudinal

Platform: Heavy-duty truck

Material: Aluminum and steel

Location: Rear-wheel drive

Manufacturer: Chrysler

Dimensions

Length: 29.5 inches (749 mm)

Width: 22.8 inches (579 mm)

Height: 20.3 inches (516 mm)

Weight: 265 lbs (120 kg)

input Shaft Length: 12.6 inches (320 mm)

Output Shaft Length: 14.2 inches (361 mm)

Fluid Capacity: 12 quarts (11.4 liters)

Materials

Case: Aluminum alloy

Gears: Hardened steel

Clutches: Composite friction materials

Shafts: High-strength steel

Seals: Viton rubber

Features

Transmission Control

Electronic shift control
Adaptive shift scheduling
Manual shift mode
Tow/Haul mode

Performance

Lock-up torque converter
Wide gear ratio spread
Enhanced cooling system
High-capacity oil pump

Durability

Heavy-duty clutch packs
Reinforced gear sets
Robust output shaft
Thermal management system

integration

CAN bus communication
Integrated temperature sensors
Compatible with engine brake systems
Seamless integration with 4x4 systems

Safety

Fail-safe limp mode
Overheat protection
Neutral start safety switch
Reverse lockout

Safety Features

Electronic Protections

Over-rev protection
Over-torque protection
Overheat shutdown

Mechanical Protections

Shear-resistant output shaft
Reinforced bellhousing

Driver Assistance

Hill start assist
Grade braking

Comfort Features

Shift Quality

Smooth shift transitions
Reduced shift shock
Adaptive shift logic

Noise Reduction

Precision gear machining
Isolated mounting points
Optimized fluid flow

Driver Control

Paddle shifters (optional)
Manual gear selection
Customizable shift points

Climate Adaptation

Cold-start optimization
Hot-weather performance tuning

Accessories

Cooling

Auxiliary transmission cooler
Thermostatic bypass valve
High-flow cooler lines

Performance

Shift improvement kits
Heavy-duty torque converter
Upgraded valve body

Diagnostics

OBD-II compatible
Transmission control module
Diagnostic port

Maintenance

Service interval: Every 30,000 miles or 24 months

Service Items

Fluid and filter replacement
Pan gasket inspection
Shift solenoid check
Torque converter inspection
Seal and gasket inspection

Maintenance Notes: Use only Mopar ATF+4 fluid for optimal performance and longevity.

Warranty

Basic: Miles: 36,000
Years: 3
Coverage: Bumper-to-bumper

Powertrain: Miles: 60,000
Years: 5
Coverage: Transmission and drivetrain

Corrosion: Miles: 100,000
Years: 5
Coverage: Perforation only

Emissions: Miles: 80,000
Years: 8
Coverage: Federal emissions components

Production Details

Manufacturer: Chrysler LLC

Manufacturing Process

CNC machining
Heat treatment
Precision assembly
Dynamic balancing

Quality Control: inspection: 100% component testing
Testing: Durability testing, Thermal cycling, Shift quality validation

Sustainability

Recycled aluminum usage
Energy-efficient manufacturing
Waste reduction programs

Production Metrics: Annual Output: 150,000 units
Defect Rate: < 0.1%
Lead Time: 4 weeks

Service Information for 68rfe transmission Service

Maintenance and service requirements specific to this component

30,000

Replace transmission fluid
Replace transmission filter
Inspect pan gasket
Check shift solenoids
Inspect torque converter

Use only Mopar ATF+4 fluid for optimal performance.

60,000

Full fluid flush
Valve body inspection
Output shaft seal check
Transmission mount inspection
Cooler line inspection

Perform pressure tests on cooler lines.

100,000

Complete transmission overhaul
Replace clutch packs
Inspect and replace worn gears
Rebuild torque converter
Replace all seals and gaskets

Requires specialized tools and expertise.

Common Questions

Find answers to common questions about torque specifications

Is the 68RFE transmission compatible with all 2010-2018 Dodge RAM 3500 models?

The 68RFE transmission is compatible with all 2010-2018 Dodge RAM 3500 models equipped with a 6.7L Cummins diesel engine. It is specifically designed for heavy-duty applications and supports both 4x2 and 4x4 configurations. However, it is not compatible with gasoline engine models. Always verify your vehicle's engine and drivetrain configuration before purchasing or replacing the transmission.

What are the maintenance requirements for the 68RFE transmission?

Regular maintenance for the 68RFE transmission includes fluid and filter changes every 60,000 miles or as specified in the owner's manual. Use only approved transmission fluid to ensure optimal performance. Inspect for leaks, worn components, and ensure proper fluid levels. Additionally, monitor the transmission's electronic control system for any diagnostic trouble codes (DTCs) and address them promptly to prevent potential issues.

How do I install or replace the 68RFE transmission in a 2010-2018 Dodge RAM 3500?

To install or replace the 68RFE transmission, first disconnect the battery and remove the driveshaft. Support the transmission with a jack, disconnect the wiring harness, and remove the transmission crossmember. Carefully lower the transmission and remove it from the vehicle. Install the new transmission by reversing the process, ensuring all connections are secure. Torque all bolts to factory specifications and refill with approved transmission fluid. Finally, test the vehicle for proper operation.

What are common troubleshooting steps for the 68RFE transmission?

Common issues with the 68RFE transmission include shifting problems, fluid leaks, and electronic control module (ECM) errors. Start by checking the transmission fluid level and condition. Inspect for leaks and damaged components. Use a diagnostic scanner to retrieve any DTCs from the ECM. If the transmission is slipping or shifting harshly, consider checking the valve body or solenoid pack. For persistent issues, consult a professional technician or refer to the service manual.

How can I optimize the performance of the 68RFE transmission?

To optimize the 68RFE transmission's performance, maintain proper fluid levels and use only approved transmission fluid. Consider upgrading the valve body or torque converter for enhanced durability and performance. Regularly inspect and replace worn components. Additionally, ensure the transmission's electronic control system is functioning correctly by addressing any DTCs promptly. Avoid excessive towing or heavy loads without proper cooling modifications to prevent overheating and premature wear.

Factory Service Resources

Access official service manuals, technical documents, and repair guides. These resources provide detailed procedures, specifications, and diagrams directly from the manufacturer.

2010-2018 Dodge RAM 3500 68RFE Service Manual

Coming Soon

Comprehensive guide covering diagnostics, repair procedures, and maintenance for the 68RFE transmission.

Technical Service Bulletin for 68RFE Transmission Updates

Coming Soon

Details software updates and hardware modifications for the 68RFE transmission to address known issues.

68RFE Transmission Parts and Accessories Catalog

Coming Soon

Catalog listing compatible parts, upgrades, and accessories 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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