Meritor MD2014X-308

The Meritor MD2014X-308 is a rugged and reliable tandem rear-drive axle differential, designed for Class 8 commercial trucks operating in heavy-duty, vocational, and mixed-service environments. As part of Meritor’s proven MD2014X series, this model features a 3.08 gear ratio, offering a balance of pulling power and fuel efficiency for fleets that demand performance under varied terrain and load conditions.

Engineered for long-lasting durability and low maintenance, the MD2014X-308 is a top choice for fleets and owner-operators alike who need dependable drivetrain performance for linehaul, regional haul, and vocational trucks.

Key Features

• Model: MD2014X-308
• Series: Meritor MD2014X Tandem Drive Axles
• Axle Rating: 40,000 lbs (20,000 lbs per axle)
• Ideal Use: Highway, regional, and vocational trucking applications
• Gear Type: Hypoid gears for quiet, smooth operation
• Differential Type: Standard open differential
• Carrier: Modular top-load carrier for easier serviceability

Benefits & Applications

• Versatile Gear Ratio (3.08:1): Offers a solid balance between highway fuel economy and pulling power for mixed driving conditions
• Heavy-Duty Performance: Built to handle high torque and full loads in long-haul or vocational operations
• Durability: Engineered for long service life with minimal maintenance
• Modular Design: Simplified carrier and component service reduces downtime
• OEM Compatibility: Factory fit for major truck manufacturers

At General Truck Parts, we offer both new and remanufactured Meritor MD2014X-308 differentials. Our reman units are rebuilt to OEM specifications by experienced technicians and thoroughly tested for quality, performance, and reliability.

Whether you’re replacing a worn differential or upgrading your drivetrain, we’re here to help you get the right part fast—with expert support and nationwide shipping. Request a Quote or call us today to check stock and pricing.

Technical Specifications:

• Axle Model: MD2014X-308
• Configuration: Tandem rear-drive axle
• GAWR (Gross Axle Weight Rating): 40,000 lbs
• Gear Ratio: 3.08:1
• Differential Style: Open (non-locking)
• Input Spline Count: Typically 39 or 41 splines (verify with OEM spec)
• Brake Compatibility: Works with 16.5″ S-cam drum or air disc brakes
• Lubrication: Oil bath – recommended 85W-140 gear oil
• Suspension Compatibility: Compatible with air ride, leaf spring, and vocational suspensions
• Common OEM Applications: Freightliner, Kenworth, Peterbilt, International, Mack, Volvo, and others

Call now to order!

800-621-3914

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