What is a walking beam on a truck?
Walking beam suspensions are able to equalize the truckload between two drive axles by allowing the wheels to adjust to uneven terrain by way of a central pivot point. Some walking beam suspensions contain steel leaf springs designed to offer support and stability.
Is walking beam suspension good?
“Walking beam suspensions have been a proven suspension over the years – they provide optimal stability, especially with loads that have a high center of gravity,” says Waterman. “Some of the new mechanical designs also provide superior stability, but also have improved ride characteristics.”
What is the best suspension for a dump truck?
Air trac is probably the best rough use air ride suspension, it is stable but allows the tires to follow the terrain, a quick acting dump valve is a necessity for a dump box application.
How does a walking beam work?
The walking beams can rotate independently of each other and 45 degrees in each direction. This means that all 4 wheels are always on the ground. This results in a smoother ride and less impact on the environment. Two grease fittings on the cross axle tube allow for easy lubrication of the pivot shafts.
How do I test my walking beam bushings?
You can test these bushings by placing a jack under each beam end and checking for movement of the rubber and end bushing inner casting. We remove worn bushings by pushing them out with a 100 ton hydraulic press.
What is Camel Back Suspension?
This progressive spring suspension for off-road and severe-service vocational applications has been around since 1948. The design with its large inverted spring and bouncy rubber load pads (aka elephant’s feet) provided ATRO an opportunity to dramatically improve the ride quality for which this suspension is notorious.
What is the purpose of a walking beam?
an overhead oscillating lever, pivoted at the middle, for transmitting force from a vertical connecting rod below one end to a vertical connecting rod, pump rod, etc., below the other end.
What are walking beams?
(Entry 1 of 2) : an oscillating lever that pivots on a central axis and serves for transmitting power in such a way as to produce a reciprocating or reversible motion. — called also working beam.
Who makes TufTrac suspension?
Freightliner TufTrac
The Freightliner TufTrac Suspension is designed for vocational uses including refuse, construction, asphalt spreader, heavy hauling, mining, logging, oil/gas field service, and high-center-of-gravity applications; 40k, 46k, and 52k capacities. TufTrac combines parabolic springs with elastomeric load cushions.
What is a Haulmaax suspension?
HAULMAAX® is a premium rubber suspension designed for vocational applications where durability, lightweight and driver comfort are essential.
How do I know if my trailer bushings are bad?
Common signs include a clunking noise when you accelerate or brake, excessive and uneven wear on tires, and loose steering when turning corners.
What do you call a walking beam suspension?
Additional note: The walking beam suspension is often called the Hendrickson suspension. A walking beam will articulate farther on uneven, off-road surfaces. You may see walking beams more often on concrete mixers and dump trucks.
What kind of truck has a walking beam?
You may see walking beams more often on concrete mixers and dump trucks. A road tractor with air ride or four-spring will get stuck by lifting one wheel of each drive axle off the ground to the point it has no traction even with the inter-axle differential locked in. sealbeam Thanks this. And it rides like a son of a gun empty.
How are axles connected to a walking beam?
For our suspension, we choose to connect the axles to the walking beam using rubber that allows some movement in side to side articulation. This image illustrates the approach accomplished in a pretty simple DIY way. With rubber jammed in on both sides of the axle bracket, the axles can hinge without damaging or binding on suspension parts.
Which is the best suspension for a dump truck?
The outfit I work for has 9 KW 12 yard dump trucks and a lowboy and only one has Hendrickson walking beams. I think extended leaf is the best dump truck suspension there is, only draw back is all the parts are big and heavy for one guy to handle compared to everything else available. Thanks for the write up Truckshop, I followed it fine.