Chassis extension
Submitted: Tuesday, May 23, 2017 at 11:18
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Jerry D
Hi everyone,
Need some help, please
Looking at buying dual cab with 500 chassis extension.
Its Qld rego & Im in NSW.
Mod is plated in Qld.
Any pros & cons would be very appreciated.
Kind regards
Jerry
Reply By: Bob Y. - Qld - Tuesday, May 23, 2017 at 12:43
Tuesday, May 23, 2017 at 12:43
Some years back, I "lived" with a Landcruiser 105 series dual cab with a similar sized extension. It had a blue mod plate, and generally a good vehicle, and did the job we wanted, that is carry 6 staff safely, plus their gear. Don't know that I can help with your query though? Contact RMS in NSW and
check with them? Would think you would need at least a roadworthy, or perhaps an engineer might need to cast his eye over it.
Assume your vehicle would have a centre bearing in the rear tail shaft, especially with that extension. I'd suggest you find out what that centre bearing is off, and either get a spare, or at least know the part number for same. Our vehicle seemed to average a shagged centre bearing every 12 months, so we soon found out the replacement part was off a Toyota Dyna truck, and could order accordingly.
Other than that we found it very practical, with only a few teething problems after delivery. Hope it works out for you,
Bob
AnswerID:
611333
Follow Up By: Kazza055 - Tuesday, May 23, 2017 at 13:36
Tuesday, May 23, 2017 at 13:36
Only thing I would be worried about is the extra leverage any rear-loading can apply to the chassis i.e. bent chassis.
FollowupID:
881356
Follow Up By: Bob Y. - Qld - Tuesday, May 23, 2017 at 21:50
Tuesday, May 23, 2017 at 21:50
The extension is added between the axles Kazza, and reinforced accordingly. There should less risk of chassis bending, if the vehicle is loaded sensibly.
Bob
FollowupID:
881383
Follow Up By: Batt's - Wednesday, May 24, 2017 at 00:21
Wednesday, May 24, 2017 at 00:21
The centre bearing shouldn't be a problem if set up correctly and the right one is fitted my twin cab GQ 850mm ext has had the same one for 11 yrs without any problems.
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881388
Follow Up By: Bob Y. - Qld - Wednesday, May 24, 2017 at 07:07
Wednesday, May 24, 2017 at 07:07
That's what I thought too, Batt's, but this vehicle did have a hard life.
Bob
FollowupID:
881390
Follow Up By: gbc - Wednesday, May 24, 2017 at 11:25
Wednesday, May 24, 2017 at 11:25
Toyota (mainly hilux in my experience) centre bearing life span seems to be directly related to the amount of mud and crud they get in them. We also found out the hard way that Toyota genuine is much better than aftermarket in this case.
FollowupID:
881400
Reply By: duck - Tuesday, May 23, 2017 at 14:16
Tuesday, May 23, 2017 at 14:16
Have had several
* If it’s a mod plate see if it’s ok in NSW with RMS
*
Check its GVM etc. as you may find with the extension your weight carry capacity is low due to the weight of the extension
*
check if you can insure it as a lot will not as there policy of repair/replacement parts
* 500mm is a lot extra in the tail shaft so
check it
well & as already stated
check & see if there's a mid-bearing
*
check that if the vehicle bottoms out on hump that the weight of vehicle is not on the tail shaft (had a extended landcrusier in the 80’s that I bent the shaft twice before changing it to a 2 piece shaft
* Due to most of the above problems I went for a 6 wheeler that has a 2nd manufactures plate & is legal in all states (had several over 20 years) & is a lot better than mod plate, with an increase of carry capacity but only a few would insure it
* My NEW Isuzu nps 300 4x4 that I purchased new in NSW but came with qld mod plate for the supper singles &
suspension up grade was questioned at a weight station only days ago & I left still not knowing if it was legal in nsw (rms were going to
check & get back to me 3 inspectors all had a different opinion’s)
good luck
AnswerID:
611336