Dodge Ram 2500 1994-2002 5.9L Engine Specifications
Explore detailed 5.9L engine specifications for the 1994-2002 Dodge RAM 2500. Learn about horsepower, torque, fuel system, and more for maintenance, repair, and performance upgrades.
Overview Specifications
This document provides detailed specifications and technical information about the 5.9L engine used in the 1994-2002 Dodge RAM-2500. It is designed to assist users in understanding the engine's features, performance, and maintenance requirements. The document is organized into sections for easy navigation, with subsections breaking down specific aspects of the engine. Use the search and navigation instructions to quickly find the information you need.
How to Use
Use the search functionality to locate specific terms or topics within the document. Enter keywords related to the engine's specifications, performance, or maintenance to find relevant sections quickly.
Navigate through the document using the section titles and subsections. Each section is organized by major topics, such as engine performance, design, and maintenance. Click on a section or subsection to jump directly to the relevant information.
Key Specifications
Displacement
5.9L
Horsepower
230 hp
Torque
440 lb-ft
Compression Ratio
17.5:1
Fuel Type
Diesel
Available Specifications
Engine Performance
This section covers the performance characteristics of the 5.9L engine, including horsepower, torque, and fuel efficiency. It also includes details on how the engine performs under different driving conditions and loads.
Engine Performance
This section covers the performance characteristics of the 5.9L engine, including horsepower, torque, and fuel efficiency. It also includes details on how the engine performs under different driving conditions and loads.
Horsepower and Torque
- Horsepower: 230 hp @ 2,900 rpm
- Torque: 440 lb-ft @ 1,600 rpm
- Peak power achieved at mid-range RPM
- Designed for heavy-duty towing and hauling
Fuel Efficiency
- Average fuel economy: 12-15 mpg (city)
- Highway fuel economy: 16-18 mpg
- Optimized for diesel fuel efficiency
- Fuel injection system: Bosch VP44
Engine Design
This section provides an in-depth look at the design and construction of the 5.9L engine. It includes details on the engine block, cylinder head, and other key components that contribute to its durability and performance.
Engine Design
This section provides an in-depth look at the design and construction of the 5.9L engine. It includes details on the engine block, cylinder head, and other key components that contribute to its durability and performance.
Engine Block and Cylinder Head
- Cast iron engine block for durability
- Cylinder head: 24-valve design
- Bore: 4.02 inches, Stroke: 4.72 inches
- Compression ratio: 17.5:1
Cooling and Lubrication
- High-capacity cooling system
- Oil capacity: 12 quarts with filter
- Oil cooler integrated into the system
- Dual thermostats for optimal temperature control
Maintenance and Service
This section outlines the maintenance requirements and service intervals for the 5.9L engine. It includes information on oil changes, filter replacements, and other routine maintenance tasks to ensure the engine's longevity.
Maintenance and Service
This section outlines the maintenance requirements and service intervals for the 5.9L engine. It includes information on oil changes, filter replacements, and other routine maintenance tasks to ensure the engine's longevity.
Routine Maintenance
- Oil change interval: 7,500 miles
- Fuel filter replacement: 15,000 miles
- Air filter inspection: Every 12,000 miles
- Coolant flush: Every 30,000 miles
Common Service Tasks
- Injector replacement: 100,000 miles
- Timing belt inspection: 60,000 miles
- Glow plug replacement: As needed
- Turbocharger maintenance: Inspect every 50,000 miles
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Engine Specifications
Overview
- Type
- Inline 6-cylinder
- Configuration
- Naturally aspirated
- Platform
- Cummins B-series
- Material
- Cast iron block and head
- Location
- Front longitudinal
- Displacement
- 5.9 liters (359 cubic inches)
Dimensions
- Length
- 36.5 inches (927 mm)
- Width
- 28.3 inches (719 mm)
- Height
- 33.1 inches (841 mm)
- Weight
- 1100 lbs (499 kg)
- Bore
- 4.02 inches (102 mm)
- Stroke
- 4.72 inches (120 mm)
- Cylinder Spacing
- 4.75 inches (121 mm)
Materials
- Block
- Cast iron
- Cylinder Head
- Cast iron
- Pistons
- Aluminum alloy
- Crankshaft
- Forged steel
- Valves
- Stainless steel
Features
- Fuel System
-
- Direct injection
- Mechanical fuel pump
- Bosch rotary injection pump
- Cooling System
-
- Liquid-cooled
- High-capacity radiator
- Thermostatically controlled
- Lubrication System
-
- Full-pressure lubrication
- Oil cooler
- High-capacity oil pump
- Ignition System
-
- Compression ignition
- Glow plugs for cold starts
- 24-volt starting system
- Air intake
-
- Turbocharged (optional)
- Air-to-air intercooler
- High-efficiency air filter
Safety Features
- Engine Protection
-
- Low oil pressure shutdown
- Over-temperature shutdown
- Emission Control
-
- EGR system
- Catalytic converter
- Fire Safety
-
- Heat shields
- Fire-resistant fuel lines
Comfort Features
- Noise Reduction
-
- Sound-dampening materials
- Balanced rotating assembly
- Vibration Control
-
- Hydraulic engine mounts
- Counterweighted crankshaft
- Climate Control
-
- Heater core integration
- Air conditioning compatibility
Accessories
- Electrical
-
- Alternator
- Starter motor
- Battery
- Cooling
-
- Radiator
- Water pump
- Fan clutch
- Fuel
-
- Fuel filter
- Fuel lines
- Fuel tank
Maintenance
- Service interval
- Every 7,500 miles or 6 months
- Service Items
-
- Oil and filter change
- Fuel filter replacement
- Air filter inspection
- Coolant level check
- Belt tension inspection
- Maintenance Notes
- Use 15W-40 diesel-rated oil, check for fuel leaks regularly
Warranty
- Basic
- Miles: 36,000Years: 3Coverage: Bumper-to-bumper
- Powertrain
- Miles: 100,000Years: 5Coverage: Engine and transmission
- Corrosion
- Miles: UnlimitedYears: 5Coverage: Perforation only
- Emissions
- Miles: 50,000Years: 2Coverage: Federal emissions components
Production Details
- Manufacturer
- Cummins Inc.
- Manufacturing Process
-
- Sand casting for block and head
- CNC machining
- Dynamic balancing
- Quality Control
- inspection: 100% leak testingTesting: Dyno testing for performanceStandards: ISO 9001 certified
- Sustainability Practices
-
- Recycled materials in casting
- Low-emission manufacturing
- Energy-efficient processes
- Production Metrics
- Units Per Day: 500Defect Rate: 0.1%Lead Time: 4 weeks
Service Information for 5.9l engine Service
Maintenance and service requirements specific to this component
- Change engine oil and filter
- Inspect air filter
- Check coolant level
- Inspect belts and hoses
- Check fuel system for leaks
Use only diesel-rated 15W-40 oil
- Replace fuel filter
- Inspect glow plugs
- Check turbocharger (if equipped)
- Inspect exhaust system
- Test battery and charging system
Check for boost leaks in turbocharged models
- Replace timing gears
- Inspect valve clearance
- Replace water pump
- Flush cooling system
- Inspect injectors
Consider professional service for major maintenance
Common Questions
Find answers to common questions about torque specifications
Q1 Is the 5.9L engine compatible with other Dodge models or years?
Is the 5.9L engine compatible with other Dodge models or years?
The 5.9L engine, specifically the Cummins 5.9L 12-valve and 24-valve diesel engines, was primarily used in the 1994-2002 Dodge RAM 2500. While it shares similarities with engines in other Dodge RAM models, compatibility varies. Always verify engine codes, mounting points, and transmission compatibility before attempting cross-model or cross-year installations.
Q2 What are the maintenance requirements for the 5.9L engine?
What are the maintenance requirements for the 5.9L engine?
The 5.9L engine requires regular maintenance to ensure longevity. Key tasks include oil changes every 5,000-7,500 miles, fuel filter replacements every 15,000 miles, and air filter inspections every 12,000 miles. Additionally, inspect the cooling system, belts, and hoses annually. Adhering to the manufacturer’s maintenance schedule is crucial for optimal performance.
Q3 How do I replace the 5.9L engine in a 1994-2002 Dodge RAM 2500?
How do I replace the 5.9L engine in a 1994-2002 Dodge RAM 2500?
Replacing the 5.9L engine involves several steps: disconnect the battery, drain fluids, remove the radiator, and detach the transmission. Unbolt the engine mounts and lift the engine using a hoist. Installation is the reverse process. Ensure proper alignment of the transmission and torque all bolts to factory specifications. Consult the service manual for detailed instructions.
Q4 What are common troubleshooting steps for the 5.9L engine?
What are common troubleshooting steps for the 5.9L engine?
Common issues include hard starts, loss of power, or excessive smoke. Start by checking the fuel system for clogs or air leaks. Inspect the injectors, turbocharger, and glow plugs. Use a diagnostic scanner to check for error codes. If the engine overheats, inspect the cooling system and thermostat. Regular maintenance can prevent many of these issues.
Q5 How can I optimize the performance of the 5.9L engine?
How can I optimize the performance of the 5.9L engine?
To optimize performance, consider upgrading the air intake and exhaust systems for better airflow. Install a performance tuner to adjust fuel delivery and boost levels. Regularly clean the fuel injectors and replace worn components like the turbocharger or intercooler. Proper maintenance and timely upgrades can significantly enhance power and efficiency.
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 2500 Service Manual
Coming SoonComprehensive guide covering engine repair, maintenance, and troubleshooting for the 5.9L engine.
Technical Service Bulletin for 5.9L Engine Updates
Coming SoonDetails common issues, recalls, and updates for the 5.9L engine used in Dodge RAM 2500 trucks.
5.9L Engine Parts and Accessories Catalog
Coming SoonCatalog listing OEM and aftermarket parts for the 5.9L engine, including filters, gaskets, and performance upgrades.
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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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