Landcruiser stubs and hubs for trailer
Submitted: Wednesday, Sep 23, 2009 at 15:29
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Keith Berg
I am planning to build a rather heavy pop-up camper and want, for a number of reasons, to use the stub axle assemblies, disk brakes and 5-stud wheels from a 100 Series Landcruiser front end. They would bolt onto a specially machined flange on each end of the beam axle.
Suspension will be heavy hollow section beam axle with Firestone air bags, big shockers, trailing arms and panhard rod - in the hope of achieving soft ride and to provide let-down room to fit the camper into my garage.
I would be grateful if anyone could help me with the following questions:
1. Can anyone see a downside to using the Landcruiser parts, other than cost?
2. I have read somewhere that Landcruiser 5-stud steel rims are rated at about 1,150 kg each. Can anyone confirm? Are mags as strong?Are split rims better?
3. Does anyone have any opinion on whether these hub assemblies would perform reliably under say, a 2,000 kg load over corrugations and moderately rough ground.
4. What hydraulic line pressures will I need to run the Landcruiser discs?
Many thanks
Keith
Reply By: Keith Berg - Wednesday, Sep 23, 2009 at 16:39
Wednesday, Sep 23, 2009 at 16:39
One of the problems is that the air bag base will be located
well inboard of the chassis rail, which puts vastly more bending load on the axle than a leaf spring setup. So the beam axle will have to be a lot stronger that 50x50 or 63 x63. Looks like Duragal 100x100x9, which is actually lighter and stronger. Hence the need for a flange and bolt-on hubs.
I looked at the Cruisemaster Air from Vehicle Components and liked it, but have doubts about it taking its full rated load over rough country and the difficulty with roadside repairs if it does let go.
If I'm going to spend a squillion hours building a camper with all the mod cons, I'd feel better if the running gear is the best that I can make it, within reasonable cost. That means adjustable for load, soft running, light and strong and easliy repairable at roadside.I do hope I'm not dreaming.
AnswerID:
384336
Reply By: Serendipity of Mandurah (WA) - Wednesday, Sep 23, 2009 at 21:29
Wednesday, Sep 23, 2009 at 21:29
I made a heavy duty
camp trailer in 1995 - (bit rough) to be used for camping and to be used as a tradies trailer. I used landcruiser hubs, bearings leaf springs and wheels. For years I just ran split rims but much later I have put on white sunraysia rims.
Over the years I have smashed two lots of bearings and sheared off two lots of wheel studs that totally ruined the rim. One rim was a split rim and the other a sunraysia. Have a photo repairing bearings on the side of the road and at another time a rim that was destroyed. One rim was while on a camping trip and the other was during the week while driving to work as a tradie.
Not sure why this has happened to me but I do think this axle and hubs have been the toughest. I would recommend them. I suspect the sheared studs and stuffed rims is from the harsh country I was in or the heavy load in the trailer as a tradie. Roof Carpenter.Image Could Not Be Found
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AnswerID:
384390
Follow Up By: Richard Kovac - Thursday, Sep 24, 2009 at 01:23
Thursday, Sep 24, 2009 at 01:23
Serendipity of Mandurah (WA)
Did you have the trailer wheels balanced?
Regards
Richard
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Follow Up By: Serendipity of Mandurah (WA) - Thursday, Sep 24, 2009 at 08:39
Thursday, Sep 24, 2009 at 08:39
Hi Richard
Yes. The first bearings I smashed where up in the
Kimberley on a maiden journey. I had originally set up with standard axle with holden bearings but landcruiser hub pattern. Went fine for most of the trip and then one day I whipped the trailer around a corner. Didn't notice anything for a couple of Ks until looking in the mirror the trailer was tracking 6 inches to the right. Bearings were chewed out.
The wheels looking like the one above and the white sunraysia -
well I just don't know. The white sunraysia just snapped all the studs off and disappeared into the bush. Took 1/2 an hour to find the rim. I think the nuts came loose to start with and then started to work on the holes and studs until - pop. Why did they come loose - My guess is the wheels are too heavy without the load of a landcruiser on them. Just a guess.
David
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Follow Up By: Richard Kovac - Thursday, Sep 24, 2009 at 13:20
Thursday, Sep 24, 2009 at 13:20
David
Thanks
I've been thinking of up grading the axle, hubs, and wheels on my old CT from the 14" wheels to 5 stub LC splits as per the Troopy.
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We have not used it since 2005 as it broke the chassis and it took me 3 years to get around to fix it (slack).
We decided that we would not take a trailer out in
the desert again, so it's been retired to soft work.
I will take a trip over to Martin's trailer Spears and
check them out.
The reason for asking re. balance of trailer wheels, when ever I ask to have them balance at tyre shops they look at me like its a waste of time.
But the bigger the wheel that is unbalanced the greater load on all the unsprung weight.
Cheers
Richard
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Follow Up By: Serendipity of Mandurah (WA) - Thursday, Sep 24, 2009 at 18:24
Thursday, Sep 24, 2009 at 18:24
Hi Richard
I traveled for years on split rims thinking they are tougher and easier to change if you had a flat.
Well having flats is what I had all the time. Mostly from rust getting into the tube and cutting it. Destroyed a couple of good tyres by not being able to stop quick enough. I finally changed my car and trailer to white sunraysia rims tubelss and have been much happier. Much easier to fix puntures with the sticky rope and they look better on the car.
Last year I updated to the new cruiser and they come with mag rims.
I would recommend trading split rims for the white sunraysia rims any day. Having the same rims, leaf springs, hubs and bearings has been great for spare parts - especially for going into remote areas. One time I sheared off the axle studs on the hub while out in the middle of Arnhemland. Because I carried the spares I could fix them. The bearings you see me replacing was remote
Kakadu. The damaged rim was remote
Ningaloo on the side of the highway. Having those spares which were the same for the car and the trailer was real handy.
David
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