Air ride is the way to go. I haven't seen a logging truck, dump truck or oilfield truck built in the last 15-20 years with walking beam or springs. Ancient tech IMO.
Spring Suspension Tandem Dump Truck Ride
Discussion in 'Trucks [ Eighteen Wheelers ]' started by OldRed98, Nov 30, 2023.
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Vampire Thanks this.
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Does anyone on here know about axle weight? I mentioned earlier about adding a drop axle. I’m considering adding a 3rd axle to my dump truck. I have room to do a full axle with dually tires.
Here in Colorado we can gross 54,000 on a tandem dump truck. I’m guessing it’s 14,000 on steers, and 20,000 per tandem axle. If I added a full dually axle rated at 20,000, would that mean my truck could gross 74,000? I know there is the bridge formula to consider too.
it gets a little confusing because I see most rear axle are rated at 17k but somehow we run 20k.
Or what’s a good way to find this out?
I’ve been looking at quad dump trucks and realize my truck is about the same length as many quads and I have an 18 foot bed. I just don’t have room to add 2 axles unless I move my fuel tank. 1 axle at 20k would be a good set up if I could gross 74k -
Side view of my truck
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Never heard of 34k rears before. Most OTR stuff seems to be spec'd with 40k while vocational and heavy spec trucks are 46k lb rears.
OldRed98 Thanks this. -
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Thats a good idea to run the wider heavy rated tires. So you think I could pick up 20,000 by adding a steerable lift axle and heavy rated steer tires? That would put me at 73,000. My truck is double framed with a steel box. Currently weighs about 26,800 empty. 73,000 - 30,000 (Projected weight with new axle) means I could haul almost 21.5 tons. That would be a game changer for me.
Although I'm seeing some others that haul aggregate advertising their new model quads can haul 26 tons. But I don't see myself spening 200K+ on a new truck. -
Oxbow Thanks this.
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