Fastest DB tractor on the road?

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moog
Posts: 55
Joined: Sun Feb 14, 2010 8:29 pm
Location: POWYS

Fastest DB tractor on the road?

Post by moog » Tue Oct 10, 2017 8:14 pm

At the Autumn Tractor World show i saw DB 1200, the information sheet stated that the top speed was 36mph!

Was this the standard top speed for the 1200? If so, that is an impressive speed.

I drove a Trantor tractor in the mid eighties for a year, top speed approx 55mph, could quite easily overtake the slow motorists, you should have seen their faces :shock: !

Thanks

Moog

jazo
Posts: 777
Joined: Fri Jun 15, 2007 7:13 am
Location: New Zealand

Re: Fastest DB tractor on the road?

Post by jazo » Wed Oct 11, 2017 5:45 am

Hi. I think they done closer to 16 mph!
1694 4wd
1394 4wd
1294 4wd
30D
990x2
880
780x2
900

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skyrydr2
Posts: 215
Joined: Fri Sep 23, 2016 9:27 am
Location: USA, Massachusetts

Re: Fastest DB tractor on the road?

Post by skyrydr2 » Wed Oct 11, 2017 9:26 am

Maybe 36 KPH not MPH might be believable . It only has rear brakes.. that rate of speed is not allowed in America for a 2wd tractor 4wd yes.. but only to 35mph. Not sure about Europe laws..??

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ollek
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Joined: Tue Apr 10, 2012 1:20 pm
Location: South West Finland

Re: Fastest DB tractor on the road?

Post by ollek » Wed Oct 11, 2017 12:33 pm

The maximum road speed for a 1200 was around 27 KPH (16,8 mph). No tractors at the time had a road speed of anything more than 30 KPH (18,6 mph) on tyres supplied by the tractor manufacturer. This was a legal requirement in most countries in Europe, and in Germany they had a regulation for a maximum speed of 25 KPH (15,5 mph).

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GeoffDEAL
Posts: 465
Joined: Tue Jan 27, 2009 8:25 am
Location: New Zealand

Re: Fastest DB tractor on the road?

Post by GeoffDEAL » Fri Oct 13, 2017 1:25 am

Hi my 30c was clocked by car alongside at 70km governers were not working !!

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cobbadog
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Joined: Tue Oct 11, 2011 6:18 am
Location: beautiful Coopernook NSW. near Taree. NSW. Australia

Re: Fastest DB tractor on the road?

Post by cobbadog » Mon Feb 12, 2018 5:38 am

Look up the top speed of "Tail End Charlie". It was a Chamberlain tractor converted and up graded for the very old Redex Trials here in Australia. Initially he was to be used as a recovery vehicle but he still put in the distances and times. They changed the diff over using a Leyland truck diff to lets say "enhance" the top speed. The cross leaf spring was standard but the shock absorbers were fitted as an extra.
There are many replicas of tail end Charlie but the original still lives in Perth W.A. and comes out on open days quite a lot.

SteveCollett
Posts: 583
Joined: Wed Sep 24, 2008 8:17 am
Location: Suffolk

Re: Fastest DB tractor on the road?

Post by SteveCollett » Tue Feb 13, 2018 10:56 am

one thing DB's where not noted for was speed on the road. some other makes were pushing towards 20 but generally the DB's were in the range 14-16MPH

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db2d
Posts: 2122
Joined: Fri Feb 24, 2012 10:01 pm
Location: Monmouthshire

Re: Fastest DB tractor on the road?

Post by db2d » Tue Feb 13, 2018 3:24 pm

I have to disagree with you Steve,the early DB tractors were noted for their speed, especially the VAK1 and some of the Taskmasters. Staying in contact with the seat was a problem !

KevinC
Posts: 26
Joined: Sun Dec 03, 2017 3:24 pm
Location: Cambridgeshire

Re: Fastest DB tractor on the road?

Post by KevinC » Tue Feb 13, 2018 5:06 pm

I have driven one petrol taskmaster when we were trying to cure a misfire at Rougham airfield. As has been said staying in contact with seat was a problem but I would estimate the top speed to be near 30mph. A friend has an early diesel 25 that he uses for road runs and that is no slouch either, it leaves the majors and internationals trailing in its wake.

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GeoffDEAL
Posts: 465
Joined: Tue Jan 27, 2009 8:25 am
Location: New Zealand

Re: Fastest DB tractor on the road?

Post by GeoffDEAL » Tue Feb 13, 2018 10:37 pm

The DB constant drive on tractors with it could produce about 40mph if you were brave enough, drive down one wheel off ground pull one hand brake on instant doubles the drive speed. Have not found a picture of a constant drive yet but there is a forum thread on them.

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