Dodge Ram 1500 1994-2001 47RH Transmission Specifications
This document provides detailed technical specifications for the 47RH automatic transmission used in the 1994-2001 Dodge RAM 1500. It includes torque converter stall speeds, gear ratios, fluid capacity, shift points, and other critical performance metrics. These specifications are essential for mechanics, enthusiasts, and owners looking to maintain, repair, or upgrade their vehicle's transmission. The data is sourced from factory service manuals and verified by industry experts, ensuring accuracy and reliability. Whether you're diagnosing a transmission issue, planning a rebuild, or optimizing performance, this resource offers valuable insights tailored to the 47RH transmission and its compatibility with the second-generation Dodge RAM 1500.
Overview Specifications
This document provides detailed specifications and technical information about the 47RH transmission used in the 1994-2001 Dodge RAM 1500. It is designed to assist mechanics, enthusiasts, and owners in understanding the transmission's features, maintenance requirements, and performance capabilities. Use this guide to navigate through sections, find specific details, and reference key specifications for troubleshooting or upgrades.
How to Use
Use the search functionality to locate specific terms or phrases within the document. Enter keywords related to the 47RH transmission, such as 'torque converter' or 'gear ratios,' to quickly find relevant information.
Navigate through the document by scrolling through the sections or using the table of contents. Each section is organized into subsections with detailed points for easy reference.
Key Specifications
Transmission Type
4-speed automatic with overdrive
Torque Capacity
450 lb-ft
Gear Ratios
2.74:1 to 0.69:1
Fluid Type
Dexron III/Mercon
Towing Capacity
Up to 8,000 lbs
Available Specifications
Transmission Design and Features
This section covers the design and key features of the 47RH transmission, including its construction, components, and operational characteristics. Learn about its durability, torque handling, and compatibility with the Dodge RAM 1500.
Transmission Design and Features
This section covers the design and key features of the 47RH transmission, including its construction, components, and operational characteristics. Learn about its durability, torque handling, and compatibility with the Dodge RAM 1500.
Construction and Materials
- Heavy-duty cast aluminum case for durability
- Four-speed automatic transmission with overdrive
- Hydraulic control system for smooth shifting
- Integrated torque converter for efficient power transfer
- Designed for use with V8 engines
- Sealed components to prevent fluid leaks
Operational Features
- Electronic shift control for precise gear changes
- Lockup torque converter for improved fuel efficiency
- Adaptive shift logic for varying driving conditions
- Compatible with both 2WD and 4WD configurations
- Designed for towing and heavy-duty applications
- Low-maintenance design with extended service intervals
Performance Specifications
This section provides detailed performance metrics for the 47RH transmission, including gear ratios, torque capacity, and fluid requirements. Use this information to understand the transmission's capabilities and limitations.
Performance Specifications
This section provides detailed performance metrics for the 47RH transmission, including gear ratios, torque capacity, and fluid requirements. Use this information to understand the transmission's capabilities and limitations.
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
- Overall ratio spread: 3.97:1
Torque and Power Handling
- Maximum torque capacity: 450 lb-ft
- Designed for engines up to 360 cubic inches
- Supports towing capacities up to 8,000 lbs
- Optimized for high-torque V8 engines
- Durable clutch packs for heavy-duty use
- Efficient cooling system for sustained performance
Maintenance and Troubleshooting
This section outlines maintenance procedures and common troubleshooting tips for the 47RH transmission. Learn how to keep your transmission in optimal condition and address common issues.
Maintenance and Troubleshooting
This section outlines maintenance procedures and common troubleshooting tips for the 47RH transmission. Learn how to keep your transmission in optimal condition and address common issues.
Routine Maintenance
- Regular fluid checks and changes every 30,000 miles
- Use of Dexron III/Mercon transmission fluid
- Inspection of seals and gaskets for leaks
- Replacement of filter every 60,000 miles
- Adjustment of shift linkage as needed
- Monitoring of transmission temperature during heavy use
Common Issues and Solutions
- Delayed or harsh shifting: Check fluid levels and condition
- Slipping gears: Inspect clutch packs and bands
- Overheating: Verify proper cooling system function
- Fluid leaks: Replace worn seals and gaskets
- Unusual noises: Inspect torque converter and bearings
- Check engine light: Scan for transmission-related codes
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Transmission Specifications
Overview
- Type
- Automatic Transmission
- Configuration
- 4-Speed with Overdrive
- Platform
- 1994-2001 Dodge RAM 1500
- Material
- Aluminum and Steel Alloy
- Location
- Rear-Wheel Drive Configuration
Dimensions
- Length
- 29.5 inches (749 mm)
- Width
- 18.7 inches (475 mm)
- Height
- 14.2 inches (361 mm)
- Weight
- 165 lbs (75 kg)
- input Shaft Length
- 7.8 inches (198 mm)
- Output Shaft Length
- 12.3 inches (312 mm)
- Bellhousing Diameter
- 12.5 inches (318 mm)
Materials
- Housing
- Aluminum Alloy
- Gears
- Hardened Steel
- Clutch Plates
- Composite Friction Material
- Shafts
- Chrome-Molybdenum Steel
- Seals
- Viton Rubber
Features
- Performance
-
- Lockup Torque Converter
- Overdrive for Fuel Efficiency
- Heavy-Duty Clutch Packs
- Electronic Governor Control
- Durability
-
- Reinforced Gear Sets
- High-Capacity Fluid Pump
- Heat-Treated Components
- Robust Valve Body Design
- Control
-
- Electronic Shift Solenoids
- Manual Valve for Override
- Integrated Pressure Sensors
- Adaptive Shift Logic
- Cooling
-
- Integrated Transmission Cooler
- High-Flow Fluid Passages
- Thermal Management System
- Compatibility
-
- Designed for V8 Engines
- Supports 4x2 and 4x4 Configurations
- Compatible with OEM Electronics
Safety Features
- Fail Safe
-
- Limp Mode Activation
- Overheat Protection
- Low Fluid Pressure Shutdown
- Mechanical
-
- Shear-Resistant Input Shaft
- Reinforced Bellhousing
- Anti-Rattle Gear Design
Comfort Features
- Shift Quality
-
- Smooth Gear Transitions
- Adaptive Shift Mapping
- Reduced Noise and Vibration
- Drivability
-
- Optimized Gear Ratios
- Seamless Overdrive Engagement
- Improved Low-Speed Control
Accessories
- Oem
-
- Transmission Cooler Kit
- Shift Linkage Kit
- Mounting Hardware Kit
- Aftermarket
-
- Performance Valve Body
- Upgraded Torque Converter
- Heavy-Duty Pan
- Tools
-
- Transmission Jack Adapter
- Fluid Pump Kit
- Alignment Tool
Maintenance
- Service interval
- Every 30,000 miles or 24 months
- Service Items
-
- Fluid and Filter Replacement
- Band Adjustment
- Seal Inspection
- Solenoid Testing
- Torque Converter Check
- Maintenance Notes
- Use only ATF+4 transmission fluid. Avoid overheating to extend lifespan.
Warranty
- Basic
- Miles: 36,000Years: 3Coverage: Parts and Labor
- Powertrain
- Miles: 60,000Years: 5Coverage: Major Components
- Corrosion
- Miles: 100,000Years: 7Coverage: Housing and Seals
- Extended
- Miles: 100,000Years: 10Coverage: Limited to Original Owner
Production Details
- Manufacturer
- Chrysler Corporation
- Manufacturing Process
-
- Casting for Housing
- CNC Machining for Gears
- Heat Treatment for Durability
- Precision Assembly
- Quality Control
- inspection: 100% Component TestingTolerance: ±0.001 inches (0.025 mm)Testing: Dyno and Road Simulation
- Sustainability
-
- Recycled Aluminum Usage
- Low-Emission Manufacturing
- Waste Reduction Programs
- Production Metrics
- Units Per Year: 150,000Defect Rate: 0.5%Lead Time: 6 Weeks
Service Information for 47rh transmission Service
Maintenance and service requirements specific to this component
- Replace Transmission Fluid
- Inspect and Replace Filter
- Check Band Adjustment
- Test Solenoid Operation
- Inspect Seals for Leaks
Use only ATF+4 fluid for optimal performance.
- Replace Torque Converter
- Inspect Valve Body
- Check Gear Wear
- Test Pressure Sensors
- Flush Transmission Cooler
Special tools required for valve body inspection.
- Overhaul Transmission
- Replace Clutch Packs
- Inspect and Replace Gears
- Test Electronic Controls
- Perform Dyno Testing
Major service requires professional equipment and expertise.
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 1994-2001 Dodge RAM 1500. While it shares similarities with other transmissions in the 47RE and 47RH family, compatibility with other models may require modifications. Always verify fitment with your vehicle's VIN and consult a professional for cross-model compatibility.
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, including fluid and filter changes every 30,000 to 50,000 miles. Inspect for leaks, ensure proper fluid levels, and monitor for unusual noises or shifting issues. Use only manufacturer-recommended ATF+4 fluid to maintain optimal performance and longevity.
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, exhaust, and crossmember. Support the transmission with a jack, disconnect the torque converter and wiring, then lower and remove 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 fluid leaks. Check fluid levels and condition, inspect for worn or damaged components, and scan for diagnostic trouble codes. If problems persist, consult a professional for a detailed inspection and repair.
Q5 How can I optimize the performance of my 47RH transmission?
How can I optimize the performance of my 47RH transmission?
To optimize performance, use high-quality ATF+4 fluid, install an auxiliary cooler for heavy-duty use, and ensure proper shift cable adjustment. Consider upgrading the valve body or torque converter for enhanced durability and responsiveness under high-stress conditions.
Factory Service Resources
Access official service manuals, technical documents, and repair guides. These resources provide detailed procedures, specifications, and diagrams directly from the manufacturer.
1994-2001 Dodge RAM 1500 Service Manual
Coming SoonComprehensive guide covering maintenance, repair, and troubleshooting for the 47RH transmission and other vehicle systems.
47RH Transmission Technical Bulletin
Coming SoonLatest updates and technical specifications for the 47RH transmission, including common issues and solutions.
47RH Transmission Parts Catalog
Coming SoonDetailed catalog of OEM and aftermarket parts for the 47RH transmission, including part numbers and compatibility information.
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Always refer to your vehicle's service manual and take appropriate safety precautions when performing any maintenance or repairs.
General Information
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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.
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