MS-13X

MS-13X™ Single Rear Drive Axle

Applications

Truck

Product Availability

Asia Pacific North America

The MS-13X single rear drive axle for medium-duty applications is designed for maximum durability and weight savings. The 13X is ideal for Class 6 and 7 trucks and buses. Compatible with drum, disc and parking brakes, it has a gross axle weight rating (GAWR) ranging from 17,000 to 21,000 lbs.

Features & Benefits

  • Utilizes existing 14X axle housing for ease of suspension installation for OEMs
  • Ratios between 3.90 and 6.50 to fit multiple applications
  • Up to 59 lbs. lighter than MS-14X™ carrier for increased payload and improved vehicle efficiency
  • Innovative, power-dense gearing and up to 59 lbs. lighter than the MS-14X carrier
Axle Model Rating Pounds (kg) GVW/GCW Highway Pounds Standard Ratios (High/Low Range) Ring Gear Size (Pitch Diameter) Inches (mm) Axle Shaft Spline Size Inches (mm) Body Diameter Inches (mm) Housing Box Size Inches (mm) Wall Thickness at Spring Seat Inches (mm) Wheel-end Series
MS-17-13X 17,000 41,000 3.90, 4.11, 4.33, 4.63, 4.88, 5.13, 5.29, 5.57, 5.83, 6.17, 6.50 13.97 (355) 2.00 - 39 tooth 1.81 5.25 x 4.62 0.37 (9.5) L
2.10 - 41 tooth 1.88 R
MS-19-13X 19,000 41,000 3.90, 4.11, 4.33, 4.63, 4.88, 5.13, 5.29, 5.57, 5.83, 6.17, 6.50 13.97 (355) 2.00 - 39 tooth 1.81 5.25 x 4.62 0.37 (9.5) .43 (11) L
2.10 - 41 tooth 1.88 R
MS-21-13X 21,000 41,000 3.90, 4.11, 4.33, 4.63, 4.88, 5.13, 5.29, 5.57, 5.83, 6.17, 6.50 13.97 (355) 2.10 - 41 tooth 1.88 5.25 x 4.62 0.37 (9.5) .43 (11) R
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