Meritor MD2014X-336

The Meritor MD2014X-336 is a high-performance tandem rear-drive axle differential built for Class 8 trucks operating in linehaul, regional, and vocational applications. With a 3.36 gear ratio, this model delivers a balanced combination of torque and fuel economy—making it a popular choice for fleets that require versatility across changing road conditions and payloads.

As part of Meritor’s trusted MD2014X series, the MD2014X-336 is designed for durability, long service life, and ease of maintenance. It features hypoid gearing and a modular top-load carrier that simplifies servicing while maintaining industry-leading drivetrain performance.

Key Features

• Model: MD2014X-336
• Series: Meritor MD2014X – Tandem Drive Axle Series
• Axle Rating: 40,000 lbs (20,000 lbs per axle)
• Application: Class 8 trucks in regional, vocational, and linehaul service
• Differential Type: Open (non-locking)
• Gear Design: Hypoid gears for efficient, quiet operation
• Carrier: Top-mounted, modular carrier assembly

Benefits & Applications

• Balanced Performance: The 3.36 gear ratio offers a great middle ground between pulling power and highway efficiency
• Proven Durability: Designed to endure high-mileage operation in heavy-duty environments
• Serviceable Design: Modular carrier simplifies maintenance and rebuilds
• Versatile Use: Suited for trucks operating in a mix of stop-and-go, highway, and vocational routes
• OEM-Ready Fit: Built to meet original equipment specifications for fast, accurate replacement

At General Truck Parts, we carry both new and remanufactured Meritor MD2014X-336 differentials. Our reman units are rebuilt to OEM standards using precision-tested components and are fully inspected for reliability and performance before shipping.

Whether you’re replacing a worn unit or upgrading your fleet, we’ve got the expertise and inventory to keep your truck running strong. Request a Quote or contact our team today for pricing, availability, and expert support.

Technical Specifications:

• Axle Model: MD2014X-336
• Configuration: Tandem rear-drive axle
• Gross Axle Weight Rating (GAWR): 40,000 lbs
• Gear Ratio: 3.36:1
• Differential Style: Standard open differential
• Input Spline Count: Typically 39 or 41 splines (verify per truck application)
• Lubrication Type: Oil-lubricated (85W-140 gear oil recommended)
• Brake Compatibility: Supports 16.5″ S-cam drum brakes and air disc brakes
• Suspension Compatibility: Works with air ride, multi-leaf spring, and vocational suspensions
• OEM Applications: Compatible with Freightliner, Kenworth, Peterbilt, Volvo, International, Mack, and other leading Class 8 truck brands

Call now to order!

800-621-3914

REQUEST A QUOTE