Tare weight of XT cab/chassis?

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17 Feb 2021 13:15 - 17 Feb 2021 13:18 #81 by Peter_n_Margaret
Peter_n_Margaret replied the topic: Tare weight of XT cab/chassis?
Does anyone know the Hino model that uses the plastic replacement air cleaner.

Couple of minor updates:
The combined body mount and aileron mount at the rear had been neatly reinforced by a previous owner with 12mm plate steel. Made its removal somewhat more difficult :).
Since I wont need the body mount, that went and the aileron spacer was SOLID steel (at 1.9kg) so that was replaced with a short bit of channel.
Weight is now 1.56kg each compared with 3.33kg each for the OEM (did not attempt to weight the existing ones).




At the rear of the cab (will all be replaced with sandwich panel that will form the front of the box).

Rear window deleted - 18.5kg
Removable engine cover panel - 4kg
Narrow fixed panel below that - 1kg
RH lower Panel and air cleaner mounts behind air cleaner - 4kg.
(LH still to go).

The curved lump of 3mm steel under the front was 5kg.
Spare winch (excluding the chain) and cross member was 5kg.
(the other spare wheel cross member will be lightened and replaced further forward for tank mounts)
Twin mid-ships body mounts 2 @ 525gm each.
Mk2 front hub steps are 150g each instead of 2.23kg each.
Rear brake proportioning valve and all its hardware 1.65kg replaced with a manual valve 150g. This also makes space for some extra under floor storage if required.

I have not listed other bits that have been removed but will have modified replacements like coffin panels, Snorkel bits, air cleaner & bits.
"One kilogram at a time" :)
Cheers,
Peter

Cheers, Peter.
OKA196 tinyurl.com/OKA196xtMotorhome
Mob.0428171214
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Last Edit: 17 Feb 2021 13:18 by Peter_n_Margaret.
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18 Feb 2021 04:33 #82 by Peter and Sandra OKA 374
Peter and Sandra OKA 374 replied the topic: Tare weight of XT cab/chassis?
Peter removing the rear brake proportioning valve could be very detrimental to proper bake performance.
A manually adjustable valve as you have fitted is fine for a race car where there is little weight transfer under brakes but on an Oka under hard braking there will be a huge weight transfer from rear to front and in turn especially on loose surfaces will lead to the rear brakes locking up. The standard one would back the rear brakes off as the body lifted hopefully preventing rear brake lockup.
On our previous vehicle a Humvee there was an inline proportioning valve which while it didn't have an arm like the Oka one still seemed to do the job as it worked on pressures but still seemed to work ok as when it stuck the rear brakes locked very quickly. It was very small and was fitted inline near the master cylinder, lots of vehicles are fitted with that type of valve which might be a better choice.

OKA 374 LT Van, converted to camper/motorhome,
400ah Lithiums, 1100w solar, diesel cooking heating and HWS,
Cummins 6BT, Allison 6 speed auto, Nissan transfer.
The following user(s) said Thank You: Paul Scherek

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18 Feb 2021 05:51 #83 by Peter_n_Margaret
Peter_n_Margaret replied the topic: Tare weight of XT cab/chassis?
The original on #196 was jammed so I replaced it. It is now jammed and has been for a long time.
The one on #077 was jammed too, so my confidence in the OEM design is about zero.
Cheers,
Peter

Cheers, Peter.
OKA196 tinyurl.com/OKA196xtMotorhome
Mob.0428171214

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