Nuffield 460 Turbo

A place for projects, conversions, bitsas etc.......
jusape
Posts: 55
Joined: Mon Apr 02, 2018 1:39 pm
Finland

Nuffield 460 Turbo

Post by jusape »

Try to trasfer my own project story for here ....

*edit* See the archived original post: viewtopic.php?f=36&t=2316 , Jeroen


jusape
Posts: 55
Joined: Mon Apr 02, 2018 1:39 pm
Finland

Re: Nuffield 460 Turbo

Post by jusape »

Hi, Just found this on Youtube.



I have left a message, hopefully get some info in English!

Regards Rick Cobley
jusape
Posts: 55
Joined: Mon Apr 02, 2018 1:39 pm
Finland

Re: Nuffield 460 Turbo

Post by jusape »

Helou from Finland ! !

Seen my Nuffield dynovideo-link here..... So must come here too...
( my english is not good, sorry, but I try my best... )
Nice to see, at somebody haw seen my project here too.

Nuffield was have some small modifications after that video, injectors ( other and bigger nozzles ) and inj.pump are now changed. Boost is now about 2-2.2bar and exhaust pressure about 1.6-1.7 bar.

Theoretically engine power is now about 210hp, and 270hp with cold-start-system helped. Inj.pump elemets are now bigger .

Here some link my many videos of this tractor.



And sep 13. uphill race at Sammi, II place at 0.30sec behind winner, pull I and II :






Some other videos U can watch on my youtube-channel at looking for my username : MrJusape

TY for all.

Jusape
« Last Edit: 11/30/2014 at 02:45:26 by 460turbo »
jusape
Posts: 55
Joined: Mon Apr 02, 2018 1:39 pm
Finland

Re: Nuffield 460 Turbo

Post by jusape »

Hi !
Turbo are maby some VALTRA 6400 model from, but about tractor 4.4litre engine fitted, and frend buy it new, and it must be fitted straight to Valtra 4.4 engine... but no... And then later it come to me and it was not-used before it was fitted it to NUFFIELD 460.

Inj. pump have 9.5mm elements inside now. And rpm:s was now about 2700 ( next summer 3300 ? and more modifications to inside engine )
Injector nozzles are now DLLA 150S582, original frame and pipes.

Pistons are original 100mm and liners too, from year -64? or early 70ties ? Tracktor was been engine-brouken last 20 years, and I buy it 3,5year ago.

Some pictures of last year u can seen there , from this picture and search left, about 1170pictures total

http://redirect.viglink.com/?format=go& ... %220%22%3E


And Turbo - project start from this picture to left search more...

http://www.konekansa.net/kuvakansa/data ... 006259.jpg

User Image
« Last Edit: 11/30/2014 at 13:43:48 by 460turbo » User IP Logged
460turbo / Jusape - Finland -
jusape
Posts: 55
Joined: Mon Apr 02, 2018 1:39 pm
Finland

Re: Nuffield 460 Turbo

Post by jusape »

Offcourse U have seen this :



And this :



My frend PULLING NUFFIELD 4, this video are from 2013, and with phone taken.

jusape
Posts: 55
Joined: Mon Apr 02, 2018 1:39 pm
Finland

Re: Nuffield 460 Turbo

Post by jusape »

"Home-made" 11" clutch-plate ....... This is here now .......

http://www.konekansa.net/kuvakansa/data ... 007524.jpg

Nuff original it have only a center.....

Springs are about 50-70% stronger what original...... From Lesjöfors.. ( I dont find springs number now, tell U that later ... its cat no. 2749 , page 45 )

http://www.konekansa.net/kuvakansa/data ... 008387.jpg

« Last Edit: 08/06/2015 at 22:48:43 by 460turbo » User IP Logged
460turbo / Jusape - Finland -
jusape
Posts: 55
Joined: Mon Apr 02, 2018 1:39 pm
Finland

Re: Nuffield 460 Turbo

Post by jusape »

My Nuff clutch springs are part no 2749, at Lesjöfors catalog, page 45 .
With this srprings U can handle about 200+hp with original 11" clutch and mass-plate

http://www.lesjoforsab.com/teknisk-info ... id1107.pdf
jusape
Posts: 55
Joined: Mon Apr 02, 2018 1:39 pm
Finland

Re: Nuffield 460 Turbo

Post by jusape »

Pedal power is offcourse about 50% more, but not bad, I can push 1 hand pedal to floor. My 22 year girl can too drive this without problem.....

Offcourse clutch is too litlle on-off- type, but no bad, U can it slipping slowly too...
jusape
Posts: 55
Joined: Mon Apr 02, 2018 1:39 pm
Finland

Re: Nuffield 460 Turbo

Post by jusape »

Today start engine, after about 4 weeks, temp about +1co


Tomorrow take tracktor inside to workshop, and litle start next modifications.... To EVO III stage .......

jusape
Posts: 55
Joined: Mon Apr 02, 2018 1:39 pm
Finland

Re: Nuffield 460 Turbo

Post by jusape »

Cooler pipes maby like this huh

http://www.konekansa.net/kuvakansa/data ... 008857.jpg

Maby those I can do push-rods ??

http://www.konekansa.net/kuvakansa/data ... 008896.jpg

Prototype push-rod ( 1-2mm too short User Image )

http://www.konekansa.net/kuvakansa/data ... 008899.jpg
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