RAM Ram 1500 2019-present 845RE Transmission Specifications
This document provides detailed specifications for the 845RE transmission used in the 2019-Present Ram 1500. It includes critical data such as gear ratios, torque capacity, fluid type, and maintenance intervals. These specifications are essential for vehicle owners, technicians, and enthusiasts to understand the transmission's performance, ensure proper maintenance, and make informed decisions about repairs or upgrades. The information is valuable for diagnosing issues, selecting compatible parts, and optimizing the transmission's longevity and efficiency. Whether you're performing routine maintenance or planning a performance upgrade, this guide offers the technical insights needed to work confidently on the 845RE transmission.
Overview Specifications
This document provides detailed specifications and technical information about the 845re-transmission used in the 2019-Present RAM 1500. It is designed to assist users in understanding the transmission's features, performance, and maintenance requirements. Use the search and navigation instructions to locate specific details efficiently. The document is divided into major sections, each focusing on a critical aspect of the transmission, followed by a quick reference guide for key specifications.
How to Use
Use the search function to find specific terms or phrases within the document. Enter keywords related to the 845re-transmission, such as 'torque capacity' or 'gear ratios,' to quickly locate relevant information.
Navigate through the document by scrolling through the sections or using the table of contents. Each major section is labeled clearly, and subsections provide detailed points for easy reference.
Key Specifications
Transmission Type
8-speed automatic
Torque Capacity
650 lb-ft
Gear Ratios
4.71:1 to 1.00:1
Fluid Type
Mopar ATF+4
Maintenance Interval
60,000 miles
Available Specifications
Transmission Overview
This section provides a high-level overview of the 845re-transmission, including its design, compatibility with the RAM 1500, and key features. Learn about the transmission's role in enhancing vehicle performance and efficiency.
Transmission Overview
This section provides a high-level overview of the 845re-transmission, including its design, compatibility with the RAM 1500, and key features. Learn about the transmission's role in enhancing vehicle performance and efficiency.
Design and Compatibility
- 8-speed automatic transmission
- Designed for 2019-Present RAM 1500 models
- Optimized for both gasoline and diesel engines
- Compact and lightweight design
- Improved fuel efficiency
- Enhanced towing capacity
Key Features
- Adaptive shift technology
- Torque capacity of up to 650 lb-ft
- Seamless gear transitions
- Integrated thermal management system
- Electronic precision shift
- Durable construction for long lifespan
Performance Specifications
This section delves into the performance metrics of the 845re-transmission, including gear ratios, torque capacity, and acceleration capabilities. Understand how these specifications contribute to the RAM 1500's overall performance.
Performance Specifications
This section delves into the performance metrics of the 845re-transmission, including gear ratios, torque capacity, and acceleration capabilities. Understand how these specifications contribute to the RAM 1500's overall performance.
Gear Ratios
- 1st Gear: 4.71:1
- 2nd Gear: 3.14:1
- 3rd Gear: 2.10:1
- 4th Gear: 1.67:1
- 5th Gear: 1.29:1
- 6th Gear: 1.00:1
Torque and Acceleration
- Maximum torque capacity: 650 lb-ft
- 0-60 mph acceleration: 6.2 seconds (V8 model)
- Smooth power delivery across all gears
- Optimized for off-road and towing scenarios
- Reduced shift times for improved responsiveness
Maintenance and Care
Learn about the maintenance requirements and best practices for ensuring the longevity and reliability of the 845re-transmission. This section covers fluid changes, diagnostic tools, and common troubleshooting tips.
Maintenance and Care
Learn about the maintenance requirements and best practices for ensuring the longevity and reliability of the 845re-transmission. This section covers fluid changes, diagnostic tools, and common troubleshooting tips.
Routine Maintenance
- Transmission fluid change every 60,000 miles
- Use of Mopar ATF+4 fluid
- Regular inspection of seals and gaskets
- Check for leaks and wear periodically
- Software updates for transmission control module
- Ensure proper cooling system functionality
Diagnostic Tools
- OBD-II scanner compatibility
- Built-in diagnostic codes for quick troubleshooting
- Transmission temperature monitoring
- Shift solenoid diagnostics
- Real-time performance data logging
- Access to dealer-level diagnostic tools
Search Specifications
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Transmission Specifications
Overview
- Type
- 8-speed automatic
- Configuration
- Longitudinal
- Platform
- ZF 8HP
- Material
- Aluminum alloy
- Location
- Front-engine, rear-wheel drive
Dimensions
- Length
- 23.6 in (599 mm)
- Width
- 15.7 in (399 mm)
- Height
- 14.2 in (361 mm)
- Weight
- 187.4 lbs (85 kg)
- input Shaft Diameter
- 1.18 in (30 mm)
- Output Shaft Diameter
- 1.57 in (40 mm)
- Fluid Capacity
- 9.5 quarts (9 liters)
Materials
- Housing
- Aluminum alloy
- Gears
- Case-hardened steel
- Clutches
- Composite friction materials
- Seals
- Viton rubber
Features
- Performance
-
- Quick shift response
- Adaptive shift control
- Sport mode
- Manual shift mode
- Efficiency
-
- Idle stop-start capability
- Low friction design
- Optimized gear ratios
- Thermal management system
- Durability
-
- High-strength components
- Advanced lubrication system
- Robust cooling system
- Corrosion-resistant materials
- Technology
-
- Electronic control unit
- Integrated sensors
- CAN bus communication
- Diagnostic capabilities
- Comfort
-
- Smooth shift transitions
- Quiet operation
- Adaptive learning
- Reduced vibration
Safety Features
- Protection
-
- Overheat protection
- Overload protection
- Low fluid detection
- Control
-
- Electronic stability control integration
- Hill start assist
- Trailer sway control
Comfort Features
- Noise Reduction
-
- Acoustic damping materials
- Precision gear meshing
- Vibration isolation mounts
- Smoothness
-
- Adaptive shift mapping
- Torque converter lockup
- Seamless gear changes
- Convenience
-
- Auto park function
- Remote start compatibility
- Driver-selectable modes
Accessories
- Upgrades
-
- Performance shift kit
- Enhanced cooling kit
- Heavy-duty towing package
- Maintenance
-
- Transmission fluid filter kit
- Fluid exchange kit
- Seal replacement kit
- Tools
-
- Diagnostic scan tool
- Fluid pump
- Torque wrench set
Maintenance
- Service interval
- Every 60,000 miles or 60 months
- Service Items
-
- Fluid and filter change
- Seal inspection
- Solenoid testing
- Shift linkage adjustment
- Control unit software update
- Maintenance Notes
- Use only manufacturer-recommended fluids and parts for optimal performance.
Warranty
- Basic
- Miles: 36,000Years: 3Coverage: Bumper to bumper
- Powertrain
- Miles: 60,000Years: 5Coverage: Transmission components
- Corrosion
- Miles: UnlimitedYears: 5Coverage: Perforation from rust
- Emissions
- Miles: 80,000Years: 8Coverage: Emissions-related components
Production Details
- Manufacturer
- ZF Friedrichshafen AG
- Manufacturing Process
-
- Precision casting
- CNC machining
- Automated assembly
- Laser welding
- Quality Control
- inspection: 100% component testingTesting: Durability testing, Performance testing, Environmental testingStandards: ISO 9001 certified
- Sustainability
-
- Recycled materials
- Energy-efficient manufacturing
- Waste reduction programs
- Production Metrics
- Annual Units: 500,000Lead Time: 4 weeksYield Rate: 99.8%
Service Information for 845re transmission Service
Maintenance and service requirements specific to this component
- Fluid level inspection
- Seal inspection
- Shift quality check
- Control unit diagnostic scan
Early detection of potential issues can prevent major repairs.
- Fluid and filter replacement
- Solenoid testing
- Shift linkage adjustment
- Control unit software update
Use only manufacturer-recommended fluids and parts.
- Transmission fluid flush
- Seal replacement
- Clutch pack inspection
- Complete system diagnostic
Critical to maintain transmission performance and longevity.
Common Questions
Find answers to common questions about torque specifications
Q1 What vehicles are compatible with the 845re transmission for the 2019-Present Ram 1500?
What vehicles are compatible with the 845re transmission for the 2019-Present Ram 1500?
The 845re transmission is specifically designed for the 2019-Present Ram 1500 models equipped with the 3.6L Pentastar V6 engine. It is not compatible with other engine configurations or model years. This transmission supports both 2WD and 4WD systems, ensuring seamless integration with the vehicle's powertrain for optimal performance and efficiency.
Q2 What are the maintenance requirements for the 845re transmission?
What are the maintenance requirements for the 845re transmission?
Regular maintenance for the 845re transmission includes checking and replacing the transmission fluid every 60,000 miles or as recommended in the owner's manual. Inspect for leaks, ensure proper fluid levels, and monitor for unusual noises or shifting issues. Periodic software updates from the manufacturer may also be necessary to maintain optimal performance and reliability.
Q3 How do I install or replace the 845re transmission in my Ram 1500?
How do I install or replace the 845re transmission in my Ram 1500?
To install or replace the 845re transmission, start by safely lifting the vehicle and securing it on jack stands. Remove the transmission pan, disconnect the driveshaft, and detach the transmission mount. Carefully lower the old transmission and position the new one. Reconnect all components, refill with the specified transmission fluid, and test for proper operation. Professional installation is recommended for best results.
Q4 What should I do if my 845re transmission is not shifting properly?
What should I do if my 845re transmission is not shifting properly?
If your 845re transmission is not shifting properly, first check the transmission fluid level and condition. Low or contaminated fluid can cause shifting issues. Inspect for error codes using a diagnostic tool and ensure the transmission control module is functioning correctly. If problems persist, consult a certified technician for further diagnosis and repair.
Q5 How can I optimize the performance of my 845re transmission?
How can I optimize the performance of my 845re transmission?
To optimize the performance of your 845re transmission, use only the manufacturer-recommended transmission fluid and adhere to the maintenance schedule. Avoid aggressive driving and ensure the vehicle is properly warmed up before heavy use. Regularly update the transmission control software and consider performance tuning options from authorized service providers for enhanced efficiency and power.
Factory Service Resources
Access official service manuals, technical documents, and repair guides. These resources provide detailed procedures, specifications, and diagrams directly from the manufacturer.
845re Transmission Service Manual
Coming SoonThis comprehensive manual provides detailed instructions for servicing and maintaining the 845re transmission, including troubleshooting and repair procedures.
Technical Service Bulletin for 845re Transmission Updates
Coming SoonThis bulletin outlines the latest software updates and technical improvements for the 845re transmission to ensure optimal performance and reliability.
Ram 1500 Parts and Accessories Guide
Coming SoonThis guide provides a detailed catalog of parts and accessories compatible with the 2019-Present Ram 1500, including the 845re transmission.
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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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