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Jeep Wrangler 2018-present Drivetrain Specifications
Explore the detailed drivetrain specifications for the 2018-Present Jeep Wrangler, including transmission types, transfer case configurations, and axle ratios. Learn about the vehicle's off-road capabilities, towing capacity, and performance. Essential reading for enthusiasts, buyers, and technicians.
Overview Specifications
This document provides detailed technical specifications and information about the drivetrain of the 2018-Present Jeep Wrangler. It is designed to help users understand the vehicle's drivetrain components, capabilities, and features. Use the search function to find specific terms or navigate through the sections to explore detailed information about the drivetrain system.
How to Use
Use the search bar to enter keywords related to the drivetrain, such as 'transmission' or 'transfer case'. The search results will highlight relevant sections and subsections for quick access.
Scroll through the document to explore all sections. Click on section titles to expand or collapse them. Use the table of contents to jump directly to a specific section or subsection.
Key Specifications
Transmission Options
6-speed manual / 8-speed automatic
Transfer Case Gear Ratio
2.72:1 (Command-Trac) / 4.0:1 (Rock-Trac)
Axle Configuration
Dana 30 front / Dana 44 rear
Locking Differentials
Front and rear (Rubicon)
Towing Capacity
3,500 lbs (automatic)
Available Specifications
Transmission Options
The Jeep Wrangler offers multiple transmission options to suit different driving preferences and needs. This section covers the available transmissions, their features, and performance characteristics.
Transmission Options
The Jeep Wrangler offers multiple transmission options to suit different driving preferences and needs. This section covers the available transmissions, their features, and performance characteristics.
Manual Transmission
- 6-speed manual transmission available
- Hydraulic clutch system for smooth engagement
- Gear ratios optimized for off-road and on-road performance
- Lightweight and durable construction
- Enhanced driver control in challenging terrains
Automatic Transmission
- 8-speed automatic transmission standard
- Torque converter for efficient power delivery
- Adaptive shift logic for improved performance
- Seamless gear transitions for enhanced comfort
- Towing capacity optimized with automatic transmission
Transfer Case
The transfer case is a critical component of the Jeep Wrangler's drivetrain, enabling 4x4 capabilities. This section explains the different transfer case options and their functionalities.
Transfer Case
The transfer case is a critical component of the Jeep Wrangler's drivetrain, enabling 4x4 capabilities. This section explains the different transfer case options and their functionalities.
Command-Trac 4x4 System
- Part-time 4x4 system with 2-speed transfer case
- 2.72:1 low-range gear ratio for off-roading
- Electronic shift-on-the-fly capability
- Durable construction for rugged use
- Ideal for moderate to severe off-road conditions
Rock-Trac 4x4 System
- Heavy-duty 4x4 system with 2-speed transfer case
- 4.0:1 low-range gear ratio for extreme off-roading
- Enhanced torque multiplication for rock crawling
- Robust design for maximum durability
- Standard on Rubicon models
Axles and Differentials
The Jeep Wrangler features advanced axle and differential systems to ensure optimal traction and performance. This section details the axle configurations and differential technologies.
Axles and Differentials
The Jeep Wrangler features advanced axle and differential systems to ensure optimal traction and performance. This section details the axle configurations and differential technologies.
Dana Axles
- Dana 30 front axle on Sport and Sahara models
- Dana 44 rear axle standard across all trims
- Heavy-duty Dana 44 front axle on Rubicon models
- Proven durability and strength for off-road use
- Designed to handle extreme terrain and heavy loads
Electronic Locking Differentials
- Front and rear electronic locking differentials available
- Standard on Rubicon models for enhanced traction
- Manually activated for precise control
- Improves stability and grip in challenging conditions
- Reduces wheel spin on uneven surfaces
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Component Specifications
Overview
- Type
- 4x4 Part-Time/Full-Time
- Configuration
- Front-engine, four-wheel drive
- Platform
- JL (2018-Present)
- Material
- High-strength steel
- Location
- Underbody centerline
Dimensions
- Transfer Case Length
- 12.5 in / 317.5 mm
- Drive Shaft Diameter
- 3.5 in / 88.9 mm
- Axle Width
- 60.6 in / 1539 mm
- Gear Ratio
- 3.45:1 (standard)
- Differential Size
- 8.5 in / 216 mm
- Ground Clearance
- 10.8 in / 274 mm
- Wheelbase
- 118.4 in / 3007 mm
Materials
- Transfer Case
- Aluminum alloy
- Drive Shaft
- Steel alloy
- Axle Housing
- Cast iron
- Differential Gears
- Forged steel
- Wheel Bearings
- High-carbon steel
Features
- Transfer Case
-
- Command-Trac 4x4 system
- Rock-Trac 4x4 system (Rubicon)
- Selec-Trac Full-Time 4WD (optional)
- 2.72:1 low-range gear ratio
- Axles
-
- Dana 30 front axle
- Dana 44 rear axle
- Tru-Lok electronic locking differentials (Rubicon)
- Suspension
-
- Solid front and rear axles
- Heavy-duty shock absorbers
- Coil spring suspension
- Electronic sway bar disconnect (Rubicon)
- Traction Control
-
- Electronic Stability Control (ESC)
- Brake Lock Differential (BLD)
- Hill Start Assist (HSA)
- Hill Descent Control (HDC)
Safety Features
- Structural integrity
-
- Reinforced frame rails
- Heavy-duty skid plates
- Electronic Safety
-
- Roll Mitigation System
- Electronic Rollover Mitigation
- Mechanical Safety
-
- Heavy-duty axle shafts
- Heat-treated differential gears
Comfort Features
- Noise Reduction
-
- Insulated transfer case
- Precision-machined gears
- Vibration Control
-
- Balanced drive shafts
- Rubber-mounted differential
- Smooth Operation
-
- Electronic shift-on-the-fly
- Seamless 4WD engagement
Accessories
- Performance
-
- Heavy-duty axle upgrades
- Air locking differentials
- Reinforced drive shafts
- Protection
-
- Transfer case skid plate
- Differential covers
- Rock sliders
- Utility
-
- Winch-ready bumper
- Tow hooks
- Trail-rated recovery kit
Maintenance
- Service interval
- Every 30,000 miles or 24 months
- Items
-
- Inspect and lubricate U-joints
- Check differential fluid levels
- Inspect transfer case for leaks
- Test 4WD system operation
- Rotate and balance tires
- Notes
- Use only recommended lubricants for 4WD components
Warranty
- Basic
- Miles: 36,000Years: 3Coverage: Bumper-to-bumper
- Powertrain
- Miles: 60,000Years: 5Coverage: Drivetrain components
- Corrosion
- Miles: UnlimitedYears: 5Coverage: Perforation from rust
- Roadside Assistance
- Miles: 60,000Years: 5Coverage: Towing and emergency services
Production Details
- Manufacturer
- FCA US LLC
- Manufacturing Process
-
- CNC machining of gears
- Heat treatment of components
- Precision assembly
- Quality Control
- Testing: Durability testing, Off-road simulation, Thermal stress testingCertifications: ISO 9001, Trail Rated certification
- Sustainability Practices
-
- Recycled materials in components
- Energy-efficient manufacturing
- Waste reduction programs
- Production Metrics
- Annual Output: 250,000 unitsProduction Time: 8 hours per drivetrainDefect Rate: 0.1%
Service Information for drivetrain Service
Maintenance and service requirements specific to this component
- Inspect U-joints for wear
- Check differential fluid levels
- Lubricate moving parts
- Test 4WD system operation
- Inspect driveshaft for damage
Use manufacturer-recommended lubricants
- Replace differential fluid
- Inspect transfer case for leaks
- Check axle seals
- Test electronic locking differentials
- Inspect suspension components
Special tools required for differential service
- Flush and replace transfer case fluid
- Inspect and replace U-joints if necessary
- Check gear alignment
- Test all 4WD modes
- Inspect and replace axle bearings if needed
Professional service recommended for major intervals
Frequently Asked Questions
Find answers to common questions about torque specifications
Q1 Is the drivetrain of the 2018-Present Jeep Wrangler compatible with older models?
Is the drivetrain of the 2018-Present Jeep Wrangler compatible with older models?
The drivetrain of the 2018-Present Jeep Wrangler is not fully compatible with older models due to significant changes in design and technology. The 2018 and newer models feature a more advanced drivetrain system, including the Command-Trac and Rock-Trac 4x4 systems, which are optimized for improved performance and durability. Always verify compatibility with your specific model year before attempting any modifications or replacements.
Q2 What are the maintenance requirements for the Jeep Wrangler's drivetrain?
What are the maintenance requirements for the Jeep Wrangler's drivetrain?
Regular maintenance of the Jeep Wrangler's drivetrain includes checking and replacing the transfer case fluid every 30,000 miles, inspecting the driveshaft for wear and tear, and ensuring the differential fluid is changed every 50,000 miles. It's also crucial to monitor the condition of the U-joints and CV joints and replace them if necessary. Adhering to these maintenance schedules will help ensure optimal performance and longevity of the drivetrain.
Q3 How do I replace the drivetrain components on a Jeep Wrangler?
How do I replace the drivetrain components on a Jeep Wrangler?
Replacing drivetrain components on a Jeep Wrangler involves several steps. First, safely lift the vehicle and secure it on jack stands. Remove the driveshaft, transfer case, and differential as needed. Install the new components by reversing the removal process, ensuring all bolts are torqued to the manufacturer's specifications. It's essential to align the drivetrain correctly and refill all fluids according to the recommended levels. Always refer to the service manual for detailed instructions.
Q4 What are common troubleshooting steps for drivetrain issues in a Jeep Wrangler?
What are common troubleshooting steps for drivetrain issues in a Jeep Wrangler?
Common drivetrain issues in a Jeep Wrangler include vibrations, unusual noises, and difficulty shifting. Start by inspecting the driveshaft and U-joints for wear or damage. Check the transfer case and differential for proper fluid levels and signs of leakage. If the issue persists, diagnostic tools can help identify specific problems. Regular maintenance and timely repairs are key to preventing major drivetrain issues.
Q5 How can I optimize the performance of my Jeep Wrangler's drivetrain?
How can I optimize the performance of my Jeep Wrangler's drivetrain?
To optimize the performance of your Jeep Wrangler's drivetrain, ensure regular maintenance and use high-quality fluids. Upgrading to heavy-duty components like reinforced driveshafts and differential covers can enhance durability. Adjusting the gear ratio for better torque and using a performance tuner can also improve overall drivetrain efficiency. Always follow manufacturer guidelines and consult with a professional for significant upgrades.
Factory Service Resources
Access official service manuals, technical documents, and repair guides. These resources provide detailed procedures, specifications, and diagrams directly from the manufacturer.
Jeep Wrangler Service Manual
Coming SoonComprehensive guide covering all aspects of maintenance, repair, and troubleshooting for the 2018-Present Jeep Wrangler.
Technical Service Bulletin: Drivetrain Updates
Coming SoonLatest updates and fixes related to the drivetrain system of the Jeep Wrangler, including known issues and solutions.
Jeep Wrangler Parts Catalog
Coming SoonDetailed catalog of OEM and aftermarket parts for the Jeep Wrangler, including drivetrain components and accessories.
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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.
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