RT-145-165-185

RT-160™/RT-180™ Tandem Rear Drive Axle

Applications

Construction and Utility Fire and Rescue Material Handling Truck Defense

Product Availability

Asia Pacific Europe North America South America

For many applications, nothing less than a tandem axle will survive. Cummins-Meritor tandem axles not only survive, but also thrive on the toughest, meanest, most demanding jobs. Year after year, Cummins-Meritor tandem axles keep delivering the performance and the goods with legendary durability, and reduced maintenance and operating costs.

Features & Benefits

  • High-torque gear design delivers smoother and quieter operation, greater torque capacity and longer component life
  • Rugged, single-piece carrier design supports precise gear alignment
  • Cummins-Meritor spindle design is central tire inflation system (CTIS) ready
  • Broad range of gear ratios available, enabling end users to choose an axle tailored to their needs, whether for improved fuel economy, greater torque or enhanced traction
  • Lowest maintenance tandem design available, extends range up to 500,000 miles between lube changes
  • Anti-lock braking system (ABS) and automatic traction offer greater braking control and shorter stopping
  • Automatic traction control (ATC) offers greater braking control and improved traction for both starting and higher-speed drivability
  • Optional driver-controlled differential lock (DCDL) offers maximum traction and spinout protection under slippery conditions

Videos:

Ratings Pounds (kg) Axle Model GCW Highway pounds (kg) Standard Ratios Ring Gear Size (Pitch Diameter) Inches (mm) Axle Shaft Spline Size Inches (mm) Axle Shaft Body Diameter Inches (mm) Housing Box Size Inches (mm) Wall Thickness at Spring Seat Inches (mm) Wheel- End Series
Max. 3% Grade (Turnpike) Max.8% Grade (Paved)
40,000 (18,160) MT40-14X              145,000 (65,830) 125,000 (56,750) 2.64, 2.79, 2.93, 3.07, 3.21, 3.42, 3.58, 3.73, 3.90, 4.11, 4.33, 4.63, 4.88, 5.29, 5.86, 6.14, 6.43, 6. 83, 7.17 15.31 (388.9) 2.10 (53.3) 41 Teeth 1.88 (47.8) 2.00 (50.8) 5.25 x 4.62 (134 x 117) 0.37 (9.5) 0.43 (11.0) Required for some Air Suspension 0.56 (14.3) Wide Track R
RT-40-160 185,000 (83,990) 160,000 (72,640) 3.21, 3.42, 3.58, 3.73, 3.91, 4.10, 4.30, 4.56, 4.89, 5.38, 5.63, 6.14, 6.43, 6. 83, 7.17 18.00 (457.2) 2.35 (59.7) 46 Teeth 2.25 (57.2) 0.43 (11.0), 0.63 (16.0) Wide Track
44,000 (19,976) RT-44-145 Not Rated 68,000 (30,872) GVWR Only 3.42, 3.58, 3.73, 3.90, 4.11, 4.33, 4.63, 4.88, 5. 29, 5.86 15.31 (388.9) 2.10 (53.3) 41 Teeth 2.00 (50.8) 0.50 (12.7), 0.56 (14.3) Wide Track
48,000 (21,772) RT-46-160 185,000 (83,990) 160,000 (72,640) 3.21, 3.42, 3.58, 3.73, 3.91, 4.10, 4.30, 4.56, 4.89, 5.38, 5.63, 6.14, 6.43, 6. 83, 7.17 18.00 (457.2) 2.35 (59.7) 46 Teeth 2.25 (57.2) 0.50 (12.7), 0.63 (16.0) Wide Track U
52,000 (23,587) 0.63 (16.0)
54,000 (24,494) RT-52-185 245,000 (111,230) 215,000 (97,610) 3.73, 4.30, 4.56, 4.89, 5.38, 6.14, 6.83, 7.17 19.62 (498.3) 5.50 x 5.50 (140 x 140) 0.56 (14.3)
58,000 (26,332) RT-58-185 0.56 (14.3), 0.63 (16.0) Wide Track
62,000 (28,123) 0.56 (14.3)
70,000 (31,751) RT-70-180 6.50 x 5.54 (165 x 141) 0.69 (17.6), 1.43 (36.4) W
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Meritor Axles - Europe View brochure
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