Dodge Ram 3500 1994-2002 47RH Transmission Specifications
This document provides detailed technical specifications for the 47RH automatic transmission used in the 1994-2002 Dodge RAM 3500. It includes gear ratios, torque converter specifications, fluid capacity, and shift points, along with maintenance and performance upgrade recommendations. These specifications are essential for mechanics, enthusiasts, and owners looking to understand, repair, or enhance their vehicle's transmission performance. The guide also highlights compatibility with other Dodge models and offers insights into common issues and solutions. Whether you're performing routine maintenance or planning a rebuild, this resource ensures accurate and reliable information for optimal transmission operation.
Overview Specifications
This document provides detailed specifications and technical information about the 47RH transmission used in the 1994-2002 Dodge RAM 3500. It is designed to assist mechanics, enthusiasts, and owners in understanding the transmission's features, maintenance requirements, and performance capabilities. Use the search and navigation instructions to quickly locate specific details or browse through sections for comprehensive insights.
How to Use
Use the search functionality to find specific terms or phrases within the document. Enter keywords related to the 47RH transmission, such as 'torque converter' or 'gear ratios,' to locate relevant information instantly.
Navigate through the document by scrolling through sections or using the table of contents. Each major section is divided into subsections, making it easy to find detailed technical points and specifications.
Key Specifications
Transmission Type
4-speed automatic with overdrive
Torque Capacity
450 lb-ft
Gear Ratios
2.74:1 (1st), 0.69:1 (OD)
Fluid Type
ATF+4
Towing Capacity
Up to 16,000 lbs
Available Specifications
Transmission Design and Features
This section covers the design and key features of the 47RH transmission, including its construction, components, and unique characteristics that make it suitable for heavy-duty applications in the Dodge RAM 3500.
Transmission Design and Features
This section covers the design and key features of the 47RH transmission, including its construction, components, and unique characteristics that make it suitable for heavy-duty applications in the Dodge RAM 3500.
Construction and Materials
- Cast aluminum case for durability and weight reduction
- Heavy-duty steel gears for increased strength
- High-capacity torque converter for improved towing performance
- Hydraulic control system for smooth shifting
Key Features
- Four-speed automatic transmission with overdrive
- Lock-up torque converter for better fuel efficiency
- Integrated cooling system for optimal temperature management
- Designed for high torque and heavy-duty applications
Performance Specifications
This section provides detailed performance specifications for the 47RH transmission, including gear ratios, torque capacity, and other critical metrics that define its capabilities.
Performance Specifications
This section provides detailed performance specifications for the 47RH transmission, including gear ratios, torque capacity, and other critical metrics that define its capabilities.
Gear Ratios
- First gear: 2.74:1
- Second gear: 1.54:1
- Third gear: 1.00:1
- Overdrive: 0.69:1
- Reverse gear: 2.21:1
Torque and Power Handling
- Rated for up to 450 lb-ft of torque
- Compatible with Cummins 5.9L turbo diesel engines
- Designed for towing capacities up to 16,000 lbs
- Heavy-duty clutch packs for enhanced durability
Maintenance and Service
This section outlines maintenance requirements and service recommendations for the 47RH transmission, ensuring optimal performance and longevity.
Maintenance and Service
This section outlines maintenance requirements and service recommendations for the 47RH transmission, ensuring optimal performance and longevity.
Fluid and Filter Requirements
- Use ATF+4 transmission fluid for optimal performance
- Replace fluid and filter every 30,000 miles
- Check fluid levels regularly for signs of leaks or contamination
- Ensure proper fluid temperature during operation
Common Issues and Solutions
- Address slipping gears with clutch pack inspection
- Replace worn torque converter if vibration occurs
- Check for leaks at the transmission pan and seals
- Inspect shift solenoids for proper operation
Search Specifications
Search by specification name, value, or description
Type to search through torque specifications. Results will appear below as you type.
Transmission Specifications
Overview
- Type
- Automatic Transmission
- Configuration
- 4-Speed with Overdrive
- Platform
- 1994-2002 Dodge RAM-3500
- Material
- Cast Aluminum Housing
- Location
- Rear-Wheel Drive Configuration
Dimensions
- Length
- 29.5 inches (749 mm)
- Width
- 24.8 inches (630 mm)
- Height
- 18.7 inches (475 mm)
- Weight
- 220 lbs (99.8 kg)
- input Shaft Length
- 7.2 inches (183 mm)
- Output Shaft Length
- 12.6 inches (320 mm)
- Bellhousing Diameter
- 14.5 inches (368 mm)
Materials
- Housing
- Cast Aluminum
- Gears
- Hardened Steel
- Clutch Plates
- Friction Material with Steel Backing
- Seals
- Viton Rubber
- Solenoids
- Copper Windings with Plastic Housing
Features
- Performance
-
- Lockup Torque Converter
- Overdrive for Fuel Efficiency
- Heavy-Duty Clutch Packs
- Electronic Shift Control
- Durability
-
- Reinforced Gear Sets
- High-Capacity Fluid Pump
- Heat-Treated Components
- Sealed Bearings
- Control
-
- Electronic Governor Pressure Control
- Manual Shift Capability
- Adaptive Shift Logic
- Integrated Diagnostics
- Cooling
-
- Integrated Transmission Cooler
- High-Flow Fluid Passages
- Thermostatically Controlled Cooling
- Compatibility
-
- Diesel and Gasoline Engine Options
- Compatible with 4x4 Transfer Cases
- Standardized Mounting Points
Safety Features
- Mechanical
-
- Neutral Safety Switch
- Park Lock Mechanism
- Overheat Protection
- Electronic
-
- Fail-Safe Mode
- Shift Interlock System
Comfort Features
- Shift Quality
-
- Smooth Gear Transitions
- Adaptive Shift Timing
- Reduced Noise and Vibration
- Drivability
-
- Optimized Gear Ratios
- Lockup Torque Converter for Highway Cruising
- Low RPM Operation in Overdrive
Accessories
- Cooling
-
- Transmission Cooler Kit
- Auxiliary Fan
- Temperature Gauge
- Performance
-
- Shift Improvement Kit
- Heavy-Duty Valve Body
- High-Stall Torque Converter
- Maintenance
-
- Fluid Change Kit
- Filter Replacement Kit
- Seal and Gasket Set
Maintenance
- Service interval
- Every 30,000 miles or 24 months
- Service Items
-
- Fluid and Filter Replacement
- Seal and Gasket Inspection
- Shift Linkage Adjustment
- Torque Converter Check
- Diagnostic Scan for Electronic Systems
- Maintenance Notes
- Use only specified transmission fluid. Avoid overheating to prolong lifespan.
Warranty
- Basic
- Miles: 36,000Years: 3Coverage: Parts and Labor
- Powertrain
- Miles: 60,000Years: 5Coverage: Major Components
- Corrosion
- Miles: 100,000Years: 7Coverage: Perforation Only
- Emissions
- Miles: 50,000Years: 4Coverage: Emission-Related Components
- Warranty Terms
- Warranty void if improper maintenance or aftermarket modifications are performed.
Production Details
- Manufacturer
- Chrysler Corporation
- Manufacturing Process
-
- Precision CNC Machining
- Automated Assembly
- Dynamic Balancing
- Quality Control
- inspection: 100% Component TestingTesting: Durability and Performance Bench TestingCertification: ISO 9001 Compliant
- Sustainability Practices
-
- Recycled Aluminum Usage
- Low-Emission Manufacturing
- Waste Reduction Programs
- Production Metrics
- Annual Output: 150,000 UnitsDefect Rate: Less than 0.5%Lead Time: 6-8 Weeks
Service Information for 47rh transmission Service
Maintenance and service requirements specific to this component
- Replace Transmission Fluid
- Replace Transmission Filter
- Inspect Seals and Gaskets
- Check Torque Converter Operation
- Perform Diagnostic Scan
Use only manufacturer-recommended transmission fluid.
- Replace Shift Solenoids
- Inspect Clutch Packs
- Check Governor Pressure
- Test Electronic Control Module
- Flush Transmission Cooler
Special tools required for solenoid replacement.
- Overhaul Transmission
- Replace Worn Gears
- Rebuild Torque Converter
- Inspect and Replace Bearings
- Perform Full System Calibration
Major service should be performed by certified technicians.
Common Questions
Find answers to common questions about torque specifications
Q1 Is the 47RH transmission compatible with other Dodge models?
Is the 47RH transmission compatible with other Dodge models?
The 47RH transmission is specifically designed for the 1994-2002 Dodge RAM 3500 with a 5.9L Cummins diesel engine. While it shares similarities with other Chrysler transmissions, compatibility with other models or engines is limited. Always verify engine and drivetrain specifications before attempting installation in non-standard applications.
Q2 What are the maintenance requirements for the 47RH transmission?
What are the maintenance requirements for the 47RH transmission?
The 47RH transmission requires regular maintenance to ensure longevity. This includes changing the transmission fluid and filter every 30,000 miles, inspecting for leaks, and ensuring proper fluid levels. Use only ATF+4 or equivalent fluid. Regularly check the torque converter and shift linkage for wear and proper operation.
Q3 How do I install or replace the 47RH transmission?
How do I install or replace the 47RH transmission?
To install or replace the 47RH transmission, first, disconnect the battery and remove the driveshaft. Drain the transmission fluid and disconnect all electrical connectors and linkage. Support the transmission with a jack, remove the crossmember and bolts, and carefully lower the transmission. Installation is the reverse process, ensuring proper alignment and torque specifications.
Q4 What are common troubleshooting steps for the 47RH transmission?
What are common troubleshooting steps for the 47RH transmission?
Common issues include slipping gears, delayed shifts, or no movement. Start by checking fluid levels and condition. Inspect for leaks, damaged wiring, or faulty sensors. Use a diagnostic scanner to check for error codes. If issues persist, inspect the valve body, torque converter, and internal components for wear or damage.
Q5 How can I optimize the performance of the 47RH transmission?
How can I optimize the performance of the 47RH transmission?
To optimize performance, consider upgrading the valve body for firmer shifts, installing a high-performance torque converter, and using synthetic ATF+4 fluid. Regularly monitor fluid levels and temperature. Avoid excessive towing loads without proper cooling upgrades. Ensure the transmission is properly tuned for your engine's power output.
Factory Service Resources
Access official service manuals, technical documents, and repair guides. These resources provide detailed procedures, specifications, and diagrams directly from the manufacturer.
1994-2002 Dodge RAM 3500 Service Manual
Coming SoonComprehensive service manual covering the 47RH transmission, including specifications, maintenance, and repair procedures.
47RH Transmission Technical Bulletin
Coming SoonTechnical service bulletin addressing common issues, updates, and recommended fixes for the 47RH transmission.
47RH Transmission Parts Catalog
Coming SoonDetailed catalog of OEM and aftermarket parts for the 47RH transmission, including part numbers and compatibility information.
Legal Disclaimer
Important information about using this content
Always refer to your vehicle's service manual and take appropriate safety precautions when performing any maintenance or repairs.
General Information
Warranty & Liability
The content on this website is provided "as is" without any representations or warranties, express or implied. We make no representations or warranties regarding the accuracy, completeness, or availability of the information.
We shall not be liable for any direct, indirect, special, or consequential damages arising from the use of information on this website.
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.
Intellectual Property
About the Author
Expert automotive knowledge and experience
'/%3E%3Cpath d='M60 30a20 20 0 1 1 0 40 20 20 0 0 1 0-40zm0 45c16.5 0 30 7.5 30 16.8V100H30v-8.2c0-9.3 13.5-16.8 30-16.8z' fill='%23404040'/%3E%3C/svg%3E)
Diagnostic
Specialized in advanced diagnostic techniques using modern scan tools and oscilloscopes.
Repair
Expert in both traditional mechanical repairs and modern vehicle systems.
Additional Expertise
Documentation
Created over 500 detailed repair guides and technical documents.
Training
Conducted technical training sessions and contributed to repair databases.
Certifications & Research
Certifications
- ASE Master Technician Certification
- Advanced Diagnostic Specialist
- Hybrid/Electric Vehicle Systems
- Performance Tuning Expert
Research & Community
Actively researches emerging technologies and contributes to automotive forums.