Meritor MD2014X-614

The Meritor MD2014X-614 is a robust tandem rear-drive axle differential designed for maximum torque output and durability in the most severe operating environments. Featuring an aggressive 6.14:1 gear ratio, this differential is built to support Class 8 trucks that operate in extremely demanding off-road, heavy-haul, and vocational applications like refuse, logging, mining, and construction.

Engineered as part of Meritor’s heavy-duty MD2014X differential series, the MD2014X-614 offers top-tier pulling power, especially at low speeds and in high-resistance conditions. Its modular, top-load carrier design simplifies maintenance and rebuilds, while the durable hypoid gear construction ensures long-lasting strength and performance under load.

Key Features

• Model: MD2014X-614
• Series: Meritor MD2014X – Tandem Rear Drive Axle Series
• Axle Capacity: 40,000 lbs (20,000 lbs per axle)
• Gear Ratio: 6.14:1
• Differential Type: Standard open (non-locking)
• Gear Design: Hypoid gearing for enhanced torque transfer and durability
• Carrier Design: Modular, top-load for easy serviceability

Applications & Benefits

• Maximum Torque Output: The 6.14:1 gear ratio provides exceptional low-speed torque for demanding grades and off-road conditions
• Severe-Service Ready: Tailored for construction, mining, refuse, and heavy hauling where traction and torque are critical
• Rugged & Reliable: Built to withstand extreme loads and continuous severe-duty cycles
• Service-Friendly: Top-load modular carrier allows for fast repairs and rebuilds
• OEM-Compatible: Direct-fit for a wide range of Class 8 vocational trucks

At General Truck Parts, we supply both new and remanufactured Meritor MD2014X-614 differentials, rebuilt to strict OEM specifications using high-quality components. Our reman units are fully inspected, dyno-tested, and backed by warranty for dependable, long-life performance.

Need to confirm fitment, gear ratio, or vehicle compatibility? Our team offers VIN lookups, technical support, and nationwide shipping to get you back on the road fast. Request a Quote or call today to check availability, pricing, and shipping options.

Technical Specifications:

• Axle Model: MD2014X-614
• Configuration: Tandem rear-drive axle
• Gross Axle Weight Rating (GAWR): 40,000 lbs
• Gear Ratio: 6.14:1
• Differential Type: Open (non-locking)
• Input Spline Count: Typically 39 or 41 splines (confirm with truck specs or VIN)
• Lubrication: Oil bath system (SAE 85W-140 gear oil recommended)
• Brake Compatibility: Compatible with 16.5″ S-cam drum and air disc brake systems
• Suspension Compatibility: Fits air ride, leaf spring, and vocational suspension setups
• OEM Applications: Used in trucks by Freightliner, International, Kenworth, Mack, Peterbilt, Volvo, and others

Call now to order!

800-621-3914

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