Roadmaster 9000 demo. today

It has three different positions, but I'm sure the most common will be mid and full. The foot print I'm use too. The 50105 has the same setup up width wise at 26' and we are use to that.

The wheel base is actually shorter than our 50105 on the 9000. And I can squeeze that in to some tight spaces already.

The only negative thing I see at this point is the weight of the machine. But thats why I plan on keeping both the other cranes. They are paid for and don't cost much to keep around.

I did price out grove and the 3055 is in the 850k range and the 4100 is in the 1.2 mil range. 850k I thought was my max. But comparing load charts between the 3055 and 9000, and extra 50k I thought was well worth it.

The upper works of the crane has been already been proven. It is there AC120 upper put on the roadmaster chassis. Thats why you will see how great the capacity is compared to the grove 4100 and even the 4115. They rated it at a 90ton crane to avoid the union issues of having two operators go out with the crane in the 100 ton and over class. Atleast thats what I've been told by a couple sales reps.

P.S. I signed the contract and put down a nice size deposit today, and it projected to be complete and delivered in May.
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Seems like they would have more leverage working against them, like more pressure on the pins at their pivot point, compared to out and downs.
 
Yep! congrat's Cameron! The wide footprint takes a huge percent of pressure off the foot. And because they swing you can move them around obstacles a bit. What does it weigh fully dressed with counterweights compared to the 4100? BEAUTIFUL RIG!
 
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I did price out grove and the 3055 is in the 850k range and the 4100 is in the 1.2 mil range. 850k I thought was my max. But comparing load charts between the 3055 and 9000, and extra 50k I thought was well worth it.

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Comparing a 55T to a 90T, big difference. Its not just about the chart, those GMK's offer a lot of great features you lose with traditional boom truck and trucks cranes. They also cost more upfront, but hold their value like nothing else. I know a local guy who bought one 6 years ago, and was just offered what he paid for it new.....6 years later!


This looks like a great machine, and will be a huge step compared to what you have been using......time to make the $
 
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Whats the ground pressure compared to an AT?

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Here is their spec sheet on the axle weights. Lots of combinations, so I thought I would just attach the page.
 

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They are pretty close until the drop axle is set down. Then it helps to spread out the weight over the axles pretty evenly on the 9000
 
Thats axle weight, I wonder what the weight per square inch is? i know with the big $ upgrade to the flotation tires the At wins.

Just the front axle steer on the 9000? Or does it have a back axle that breaks open?

Independent or leafs?

The 9000 is interesting as its sort of a hybrid between a truck crane and a AT.
 
There were a couple things I sacraficed. One would be the rears don't turn. But I did drive it around and played with it parking it into different areas at their yard. I didn't think it was any worse than what we have now. Like I said I can get our 50 into some pretty tight spots. But I'm sure not as well as a 3055 or 4100 could.
 
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There were a couple things I sacraficed. One would be the rears don't turn. But I did drive it around and played with it parking it into different areas at their yard. I didn't think it was any worse than what we have now. Like I said I can get our 50 into some pretty tight spots. But I'm sure not as well as a 3055 or 4100 could.

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Keep us updated on how it performs when you take it in, im sure you wont be disappointed!
 
Cameron that is a sweet ride. Am I reading your comparison charts correctly that the 9000 weighs 60ton and the 4100 weighs 48ton Before you start adding counterweights? Does it have active suspension other than the pusher axle? Also that's a lot of weight on conventional rubber you should see if you can get 24.5 rubber on those rear axles, stronger smaller sidewall and would improve the ride a lot. Also, you might consider something with a little more traction than a highway tread whereas you would only have two drive axles (make sure they are fully locking).

And to Mike's comment, would a wider spread really reduce the "foot"? 120k on four points will equal 30K ea. no matter how far you spread it, I think? Please clarify.

Spec says she'll do 65mph, how do you stop it? Trucks that carry that much weight usually have two additional axles and their brakes don't last too long.

Two things that make Mobil cranes strong are weight and width and it looks like that girl has both. Do you need to be concerned with bridge formulas in your state?
 
Yup, I was wondering where you came up with your origional figure. Keep in mind all crane manufactures have to keep the weight less than 20,000lb per axle do to most state required weight limits. So thats why you really need the pusher axle on the 9000 to be raod legal if Im not mistaken.
 
How much counter weight will NJ allow you to travel with? Do they allow you special permit to go above the 20k per axle for a fee? Which leads to my next question, how will you transport the counterweights? Most companies I see have an 18 wheeler which one may not be enough to transport 57ton as that is more than an 18 wheeler can legally carry staying within the 20k per axle rule. Lots a questions I know, thanks for your responses.
 
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