Monroe® - The right choice for hard-working trucks
from class 3 to 8.
Monroe® Commercial Vehicle ride control products are
application-engineered to match your driving needs.
Monroe® Commercial Vehicle shock absorbers are built for durability, even with the demands of high mileage and severe use.
Your single source supplier – featuring a complete line of ride control products for today’s medium, heavy-duty and industrial markets.
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MONROE® COMMERCIAL VEHICLE: About Monroe®
History shows that great innovations stand the test of time. Over the years, Monroe has been committed to product quality, customer satisfaction and new product technology. This commitment is a tradition that dates back to the early 1900's when small improvements were done on a simple tire pump.
MONROE® COMMERCIAL VEHICLE: The Monroe® Advantage
Application-engineered shocks for class 3-8 trucks, designed to help deliver safe steering, stopping, and stability and reduced cost-per-mile.


MONROE® COMMERCIAL VEHICLE: UNIQUE HYDRAULIC LOCKOUT
MONROE® COMMERCIAL VEHICLE: UNIQUE HYDRAULIC LOCKOUT
Normally used in conjunction with air spring suspensions, the purpose of the “lock out” is to hydrostatically cushion the full extension position of shock absorber travel. This limits over-extension of the suspension, prevents top-out of the piston, and averts damage to the seal assembly.

The Unique Hydraulic Lockout feature is a secondary piston above the valving piston. This unique feature helps to transfer the forces generated as the piston travels throughout the entire diameter of the piston rod. Its primary function is to reduce the velocity at full extension. The hydraulic pressure created as the lockout piston travels into the extended rod guide collar reduces the velocity and minimizes metal to metal contact, at full extension.

MONROE® COMMERCIAL VEHICLE: ORIGINAL EQUIPMENT

MONROE® COMMERCIAL VEHICLE: ORIGINAL EQUIPMENT
Application-engineered internal valving ensures that the Monroe Commercial Vehicle shock absorber you select -regardless of the truck or the job to be done - will match the OEM-specified ride and handling profile.

As the major producer of heavy truck shock absorbers for original equipment manufacturers, Monroe has long been recognized for innovation and product quality around the world. Because Monroe engineers design the shocks for new trucks, they know what your truck suspension needs. The continuous improvement in Monroe truck shocks is the result of millions upon millions of over-the-road test miles for virtually every class of truck- for every type of application- in all kinds of conditions.

The results of these efforts is shock absorbers that withstand the punishment of heavy loads, rough streets and highways, and continuous severe use. It begins with excellence in engineering and testing and manufacturing. The result is quality and performance that lasts, mile after mile.


MONROE® COMMERCIAL VEHICLE: GAS-CHARGING
MONROE® COMMERCIAL VEHICLE: GAS-CHARGING
A nitrogen gas charge divides each unit’s internal fluids, maximizing damping efficiency.
  • Reduce Fade
    Shocks can lose damping capabilities as they heat up during use. Gas charged shocks can cut this loss of performance, called fade.
  • Reduce Excessive Vibration
    As tires bounce up and down, road roughness is transmitted to the vehicle's body and cargo, causing it to vibrate. Excessive vibration may increase a truck's cost per mile by increasing downtime, reducing tire mileage, reducing vehicle life and lowering resale value. Gas charged shocks control tire motion better than non-gas units, so vibration is reduced.
  • Provide a Wider Range of Control
    Because gas charged shocks reduce aeration and dumping, they can provide improved performance levels over a wider variety of road conditions.
  • Reduce Aeration
    Reduced aeration means greater valving range for improved control and a reduction in excessive vibration.
  • Extend Shock Life
    By virtually eliminating the effects of aeration, the shock will operate at a much cooler temperature. This extends the life of the shock and decreases the cost of maintaining your fleet.
  • Improve Handling
    When turning a corner or a sharp curve, a vehicle's body tends to lean away from the direction of the turn and then rebounds. This motion is called roll. And, excessive roll may cause a loss of control. With gas charged shocks, roll is reduced.