Tipping trailer for wheeled excavator?

[Howard Inoe]

I am looking for recommendations regarding tipping trailers (both drop-side and fixed-side) for use with a Volvo EWR150E wheeled excavator.

Favorite brands, things to look for, important options, etc.

Would also appreciate any guidance anyone cares to offer on the hydraulic system on the Volvo EWR150E, such as if it is possible to limit hydraulic pressure to the trailer-tipping circuit (Volvo says the maximum pressure on this circuit is 350 bar / 35 MPa while the maximum pressure shown for most trailers seems to be 200 bar / 20 MPa) without interfering with the pressure to the blade circuit. I am in the States and while the dealer is trying to be helpful they have sold only one wheeled excavator before and it did not include hydraulics for a trailer.

(Edit - The digger is on order but not yet received or I could look myself)

Thanks in advance!

 

[V8Druid]

shouldn't be too difficult to limit the pressure without affecting the blade circuit .... assume you'd be using a 6x2 diverter valve to provide a tip circuit ... stick an RV/reducer in that circuit after the diverter to limit the circuit to 200 bar

as for trailer choice ... you guys seem to have far greater choices your side of the pond compared to our offerings

 

[Howard Inoe]

V8Druid - thanks for your reply.

The digger is coming with the Volvo-designed tipping circuit so I am hoping to use it.

All I see "locally" (meaning manufactured and sold in US) are the common tow-behind-a-pickup-truck dump trailers that have the following "features":

1. The hinge pin is somewhat forward of the rear end of the dump box, presumably to economize on the hoist needed to dump the trailer. The problem is that the end of the dump box goes low when dumping, meaning that you cannot dump very close to a previous pile and need to drive forward before dumping completes.

2. These domestic trailers all have scissors hoists, which are a compromise.

3. The domestic trailers do not have a very steep dumping angle.

4. All I have seen already have the electric-over-hydraulic system built in.

5. All have electric brakes.

For those reasons I am interested in what I see you guys using on that side of the pond.

 

[doobin]

Look to Scandinavia mate, they use this setup all the time. We are a little beind here, but Ollie and a few others have some nice kit.

 

[V8Druid]

V8Druid - thanks for your reply.

The digger is coming with the Volvo-designed tipping circuit so I am hoping to use it.

All I see "locally" (meaning manufactured and sold in US) are the common tow-behind-a-pickup-truck dump trailers that have the following "features":

1. The hinge pin is somewhat forward of the rear end of the dump box, presumably to economize on the hoist needed to dump the trailer. The problem is that the end of the dump box goes low when dumping, meaning that you cannot dump very close to a previous pile and need to drive forward before dumping completes.

2. These domestic trailers all have scissors hoists, which are a compromise.

3. The domestic trailers do not have a very steep dumping angle.

4. All I have seen already have the electric-over-hydraulic system built in.

5. All have electric brakes.

For those reasons I am interested in what I see you guys using on that side of the pond.

if Ovlov are designing the tip circuit - and installing it - specify the 200 bar limiter with the order ..... they'll obviously be charging you for the privilege
are you intending to use this on the highway? Don't think there are / you'll find many ducks, with a functional brake circuit on the trailer, over here as we aren't allowed to use them 'on highway'
Our Irish friends make a lot of ag. type trailers at reasonable rates .... but couldn't see it being economically viable to ship one stateside
Are you talking a full dump style trailer, with scow back or as you say a fixed / drop sided flat bed unit?

was looking at these recently with 3 way tip, which could be very useful

https://www.ebay.co.uk/itm/NEW-HERC...976068?hash=item238cda5c44:g:IscAAOSw28pZ1ffr

https://www.ebay.co.uk/itm/NEW-HERCULANO-5-tonne-3-Way-Tip-Dropside-Trailer-In-Stock/152686975731

look quite well put together and the Italians make some quite decent kit

what capacity are you looking for ?

 

[V8Druid]

Look to Scandinavia mate, they use this setup all the time. We are a little beind here, but Ollie and a few others have some nice kit.

Ollie's latest trailer is a UK built unit Doob ... ex-Amec from Euros - with some mod.s to his spec, by the original manufacturers .... but yeh, the Scandies are well ahead of the game ..... at a PRICE !!

 

[Smiffy]

Do you not have agricultural trailer makers offering something for behind tractors with hydraulic braking systems and a more utilitarian design than for behind pickups ?
Also druid if using a 6 port system and seeing as tip rams are single acting could it be possible to have one side plumbed to tip and the other to hydraulic brakes so operate the lever one way tips it and the other way applys the brakes ??
Ive driven tractors with the trailer plumbed into a spool and hand operated

 

[V8Druid]

Do you not have agricultural trailer makers offering something for behind tractors with hydraulic braking systems and a more utilitarian design than for behind pickups ?
Also druid if using a 6 port system and seeing as tip rams are single acting could it be possible to have one side plumbed to tip and the other to hydraulic brakes so operate the lever one way tips it and the other way applys the brakes ??
Ive driven tractors with the trailer plumbed into a spool and hand operated

you need the second way to be able to dump the tip Smiffy .... could tandem up a couple of 6x2s and have the second operating a brake cylinder, but'd be seriously harsh ..... unless that too had further pressure reduction/limitation built into it ..... anything's possible with enough bucks thrown at it

 

[Mogman]

Do you not have agricultural trailer makers offering something for behind tractors with hydraulic braking systems and a more utilitarian design than for behind pickups ?
Also druid if using a 6 port system and seeing as tip rams are single acting could it be possible to have one side plumbed to tip and the other to hydraulic brakes so operate the lever one way tips it and the other way applys the brakes ??
Ive driven tractors with the trailer plumbed into a spool and hand operated

Trouble with that idea, when you lower the trailer the brakes will come on

 

[Smiffy]

you need the second way to be able to dump the tip Smiffy .... could tandem up a couple of 6x2s and have the second operating a brake cylinder, but'd be seriously harsh ..... unless that too had further pressure reduction/limitation built into it ..... anything's possible with enough bucks thrown at it

Hmm could have a float position fitted for the blade circuit then that would overcome the problem mogman suggests too and isn't blade float an option on some machines

 

[Bucket on wheels]

I use mine almost Everyday The Clue is the by one that is Built For the use it'll get behind a excavator if it's not Built for it, will you Son Tear It Apart

This is my setup

This one is 3 tons and it has 8mm bottom and 6mm sides in hardox 450
11 tons axle
8.5 tonnes of load capacity
the bed is 3.7M X 2.38M inside

https://translate.google.no/transla...ant-hjulgraver-dumper-gd3-8-(x)_244-349a.html

 

[V8Druid]

this guy builds these in my local town .... not had a good look over them but they appear reasonably made and wouldn't be difficult to eyeball some
https://www.ebay.co.uk/itm/8-TONNE-...804789?hash=item3fc75e9775:g:2WgAAOSw4O5dKOKT

Flemings' version ......

https://www.ebay.co.uk/itm/NEW-FLEM...873910?hash=item469cb5d8b6:g:I9YAAOSwEK9UEv6I

Bournes offering these
https://www.ebay.co.uk/itm/8T-10T-D...313704?hash=item1a79205ca8:g:sh0AAOSw0nhcnfPk

these look very good VFM at £3k

same people ... https://www.ebay.co.uk/itm/5T-GALVA...772832?hash=item1a856eada0:g:bbsAAOSw9tFdkbX9
as are these ....

https://www.ebay.co.uk/itm/NEW-DROP...705673?hash=item4b364f2cc9:g:mIQAAOSw7cVZjDT9

few more ...... https://www.ebay.co.uk/dsc/Trailers...&LH_ItemCondition=1000&_trksid=p2045573.m1684

 

[V8Druid]

Hmm could have a float position fitted for the blade circuit then that would overcome the problem mogman suggests too and isn't blade float an option on some machines

not seen a duck with blade float?? Mog's comment related to using a single 6x2 and the second port/service/way as braking.
to get the one way tip ram to dump to tank, you plumb the 'other way' of the 6x2 to dump to tank and that allows the ram to dump it's full cylinder of oil to tank through the valve .... same would apply to a brake cylinder, unless it was two way ... but'd need the second 6x2 to run it

 

[V8Druid]

I use mine almost Everyday The Clue is the by one that is Built For the use it'll get behind a excavator if it's not Built for it, will you Son Tear It Apart

This is my setup

This one is 3 tons and it has 8mm bottom and 6mm sides in hardox 450
11 tons axle
8.5 tonnes of load capacity
the bed is 3.7M X 2.38M inside

https://translate.google.no/translate?hl=no&sl=en&tl=no&u=http://www.morkmaskin.no/gigant-hjulgraver-dumper-gd3-8-(x)_244-349a.html

View attachment 9261View attachment 9262View attachment 9263View attachment 9264View attachment 9265

's a lovely trailer Frank ....... but tell the man what it cost

 

[Smiffy]

not seen a duck with blade float?? Mog's comment related to using a single 6x2 and the second port/service/way as braking.
to get the one way tip ram to dump to tank, you plumb the 'other way' of the 6x2 to dump to tank and that allows the ram to dump it's full cylinder of oil to tank through the valve

I meant with mogs problem putting it in float would stop the brakes coming on as the trailer lowers as both sides would be to tank
How come you can't just plumb the trailer tip into one line like you do with a tractor is this the difference between open and closed centre hydraulics

 

[V8Druid]

I meant with mogs problem putting it in float would stop the brakes coming on as the trailer lowers as both sides would be to tank
How come you can't just plumb the trailer tip into one line like you do with a tractor is this the difference between open and closed centre hydraulics

pretty much .... the oil has to return somewhere with closed centre plumbing

 

[Smiffy]

pretty much .... the oil has to return somewhere with closed centre plumbing

Right sorry I thought most machinery ran open centre hydraulics
I always thought of closed centre for non proportional uses like tail lifts

 

[T whiting]

How come you can't just plumb the trailer tip into one line like you do with a tractor is this the difference between open and closed centre hydraulics

Tractors also have a valve that you open to return the other side to tank so no it's not pressurising

 

[CPS]

You want one like this if you want more info let me know wont be hard to get one to the states

 

[V8Druid]

You want one like this if you want more info let me know wont be hard to get one to the statesView attachment 9270View attachment 9271View attachment 9272View attachment 9273View attachment 9274

remember that one ..... went to new Zealand IIRC Aiden ??