CRE 3000 upgrade questions

MC

McDugals

Advanced Member
Joined
Jan 12, 2020
Messages
74
Location
NE Ohio
I am looking at upgrading my suspension with the CRE 3000 shackles and wet bolts. Morryde sent me a "qualification form" that requires me to take measurements. Problem is my rig is store quite a distance from me.

I'm thinking this is pretty standard for the 2020 Imagine 2670MK with Dexter 4400# axles. Looks like I need the MR27ZR shackles and the MR46ZR 2 1/4" shackle straps and bolts. I have made no modifications to the suspension whatsoever.

I know many have done this upgrade. I want to make sure I order the right parts. I will go take the measurements if absolutely necessary (or abandon the upgrade until spring) Any input would be greatly appreciated.
Jeff
 
The kit also eliminates 8 grease points, not to mention the overall ride quality and stress on the existing suspension. I have had my Roadmaster kit for 18 months and it has been one of the best upgrades I have made to my rig.
 
I wish that I could help, but we have slightly different units.....BUT....you will enjoy the upgrade.

If you can't get to the unit....maybe you call GD customer service and see if they can provide you the information. It should be a pretty simple ask.

OR

You can visit a local GD dealer and take your own measurements on a yard unit. It will take you less than 5 minutes. Don't forget to take a measuring tape.
 
I put in the Morryde Alltrek 4000. It gives greater range and served us well over 13K miles in Alaska this summer.
 
OC455- said:
I've been looking at upgrading mine on my Reflection 150.

Started looking at the Roadmaster systems. Comes with slipper springs which eliminate the equalizer in the middle and adds heavy duty gas shocks. Might be worth looking into for an actual upgrade.

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Man, that looks like a great system. Gets all of the springs replaced. But $3.5K for a triple axle is pretty steep. I'll have to think long and hard about dropping that on a 6 year old rig!
 
dually mike said:
Man, that looks like a great system. Gets all of the springs replaced. But $3.5K for a triple axle is pretty steep. I'll have to think long and hard about dropping that on a 6 year old rig!
Click to expand...
Well, their prices have definitely taken a jump from last year. I was looking last summer and they were at $1400 for the tandem 7,000 lb. axle kit/with shocks.
 
That is quite an increase in price. Keep in mind that you can buy the Roadmaster shock kit separately. I first did the shock absorber kit on our double axle 2930 S-Class. I did it shortly after we purchased our trailer but I believe the shock kit is the bigger bang for the buck. I ran the shock kit for 5,000 miles (one season) and then upgraded to the slipper spring system. In my mind, the big advantage to the slipper is less moving parts and less greasing maintenace etc.

We're thinking about a trailer upgrade in the next year or so. I'll definitely do the shocks again as soon as I back it in the driveway. I personally think any suspension system should have shock absorbers. While doing shocks I'd also upgrade to one of the newer equalizers and Morryde shackle \ wet bolt kits. I'd probably forego the slippers - at least for now.
 
roegs01 said:
That is quite an increase in price. Keep in mind that you can buy the Roadmaster shock kit separately. I first did the shock absorber kit on our double axle 2930 S-Class. I did it shortly after we purchased our trailer but I believe the shock kit is the bigger bang for the buck. I ran the shock kit for 5,000 miles (one season) and then upgraded to the slipper spring system. In my mind, the big advantage to the slipper is less moving parts and less greasing maintenace etc.

We're thinking about a trailer upgrade in the next year or so. I'll definitely do the shocks again as soon as I back it in the driveway. I personally think any suspension system should have shock absorbers. While doing shocks I'd also upgrade to one of the newer equalizers and Morryde shackle \ wet bolt kits. I'd probably forego the slippers - at least for now.
Click to expand...
I kind of like the slipper springs, but I'm on the fence with the shocks. Considering the weights, I'm just not sure how much actual good the shocks do, and concerned about their longevity too. There's a lot of mass moving around.
 
Hoopy Frood said:
I kind of like the slipper springs, but I'm on the fence with the shocks. Considering the weights, I'm just not sure how much actual good the shocks do, and concerned about their longevity too. There's a lot of mass moving around.
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I'm not an engineer so I can't comment longevity or stiffness. That said, Roadmasters shock kit proves 1 shock per wheel / tire assembly. Thats the same as Morryde provides on their independent system. Its also similar to my truck and trailer going down the road. My trucks 4 shocks are balancing 11,200 lbs and the 4 trailer trailer tires are carrying 9,760 lbs. Would also be similar to a gas class A with non-air suspension. Sorry if I misunderstood what you were saying.

This video is kind of interesting.

 
roegs01 said:
I'm not an engineer so I can't comment longevity or stiffness. That said, Roadmasters shock kit proves 1 shock per wheel / tire assembly. Thats the same as Morryde provides on their independent system. Its also similar to my truck and trailer going down the road. My trucks 4 shocks are balancing 11,200 lbs and the 4 trailer trailer tires are carrying 9,760 lbs. Would also be similar to a gas class A with non-air suspension. Sorry if I misunderstood what you were saying.

This video is kind of interesting.

Click to expand...
My axles are carrying over 14,000 lbs. so it's a consideration, and the shocks that I've seen on trailers are angled a fair amount compared to regular vehicles that are usually nearly vertical. Like I said I'm still on the fence, since I have never felt much difference in how the trailer rides, just how it affects the truck over bumps and such.
 
Regardless, I need to replace my OEM shackles with something. Just figured an equalizer upgrade would be something to include. I'm leaning toward Dexter because of the price. I might try that shock kit. Have to wait and see how much Santa took out of my wallet!
 
You won't be disappointed with the Dexter EZ-Flex. They really smooth out the bridge approaches, and frost heaves. Basically nothing is felt in the truck when the trailer goes over them.
 
Hoopy Frood said:
I kind of like the slipper springs, but I'm on the fence with the shocks. Considering the weights, I'm just not sure how much actual good the shocks do, and concerned about their longevity too. There's a lot of mass moving around.
Click to expand...
Have had shocks on my last 3 trailers. Wouldn't own one without them. I have the CRE3000 and KYB shocks on my current TT and it floats down the road. Replaced then after 18,000 miles and they still had some resistance. They were cheaper Monroes. Installed KYB's last year.
 
How can you tell "it floats down the road"? I'm not being skeptical, just honestly curious. The only way I can tell when we have trailer riding issues is if a few items are out of place when we stop. The coffee maker rides on the counter, and a bad day would be if it's moved an inch or two.
 
Hoopy Frood said:
How can you tell "it floats down the road"? I'm not being skeptical, just honestly curious. The only way I can tell when we have trailer riding issues is if a few items are out of place when we stop. The coffee maker rides on the counter, and a bad day would be if it's moved an inch or two.
Click to expand...
When going over road/bridge expansions and I look in the side view mirror the trailer stays flat. No bouncing afterwards. Yes I get the side to side tilt but it's really smooth over bumps. Like going over offsets in the pavement at a slow pace I can feel them in the truck but not when the trailer tires go over them. Only on the worst of the worst roads do things move. I'm talking about large road undulations along with me going to fast. Once in a while I get caught off guard and don't slow down soon enough.
The Oregon coast hwy 101 has some nasty spots that will move the recliners a bit.
In general the trailer stays smooth with no bouncing over normal road conditions.
We have a cutting board that sits on the counter with some of that drawer liner under it. It's been there for 6 seasons and around 19,000 miles.
Until someone can explain to me why a truck with leafs needs them but a trailer with leafs doesn't them then I'll keep buying trailers with them or install them afterwards.
 
JMO of course, but it would seem that trucks with leaf springs carry passengers, and trailers with leaf springs do not. That could be most of the reason.
 
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