The Meritor MD2014X-325 is a heavy-duty tandem rear-drive axle differential designed for Class 8 commercial trucks operating in demanding environments where consistent power and durability are essential. Featuring a 3.25 gear ratio, this model delivers excellent low-end torque for applications requiring strong pulling power—making it ideal for regional haul, vocational, and mixed-service trucking.
As part of the trusted MD2014X series, the MD2014X-325 offers long service life, modular construction for easier maintenance, and compatibility with a wide range of truck suspensions and braking systems.
Key Features
- Model: MD2014X-325
- Series: Meritor MD2014X Tandem Drive Axles
- Axle Rating: 40,000 lbs (20,000 lbs per axle)
- Application: Ideal for regional haul, vocational, and mixed-service operations
- Differential Type: Open (non-locking)
- Gear Type: Hypoid gearing for quiet, efficient power transfer
- Design: Top-mount carrier with modular construction
Benefits & Applications
- Strong Torque Output: The 3.25 gear ratio provides extra pulling power for trucks operating in hilly terrain or hauling heavy loads
- Field-Proven Durability: Built for longevity under full-load conditions in both regional and off-road environments
- Service-Friendly: Modular carrier design allows for easier repairs and reduced downtime
- OEM-Compatible Design: Engineered to match factory-fit requirements for popular heavy-duty truck platforms
- Versatility: Excellent balance of performance for fleets operating in mixed-use conditions
At General Truck Parts, we offer both new and remanufactured Meritor MD2014X-325 differentials, fully rebuilt to OEM specifications using high-quality components. Each unit is professionally inspected and tested to ensure it delivers reliable, on-the-road performance.
Need help identifying the right differential for your application? Our drivetrain specialists are here to assist with VIN matching, quote requests, and fast shipping nationwide. Request a Quote or contact us today to get started.
Technical Specifications:
- Axle Model: MD2014X-325
- Configuration: Tandem rear-drive axle
- GAWR (Gross Axle Weight Rating): 40,000 lbs
- Gear Ratio: 3.25:1
- Differential Style: Open standard (non-locking)
- Input Spline Count: Typically 39 or 41 splines (confirm with application)
- Brake Compatibility: Supports 16.5″ S-cam drum brakes or air disc brakes
- Lubrication: Oil-lubricated (85W-140 gear oil recommended)
- Suspension Compatibility: Compatible with air ride, multi-leaf, and vocational suspensions
- OEM Fitment: Common in Freightliner, Kenworth, International, Peterbilt, Volvo, and other major Class 8 trucks
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