One for DB fans

Drillman · Oct 15, 2016

How come there was a 1494,1594 and 1694 but before that there was only a 1490 and 1690? What happened to the 1590?

Really doesn't make sense as the 1490 was 83hp and the 1690 was 103hp That's a big gap in a best selling power range in the 1980s. Even stranger when the 1410/12 that went before were 92hp iirc.

Yes i know i could be wrong with these figures as it's all from memory

Thomas5060 · Oct 15, 2016

What's the difference between a 1410 and a 1412? @John 1594

Wellytrack · Oct 15, 2016

Mmm, "delivery can be arranged at cost"
Why so miserable?

At that money I'd merrily give the buyer a handjob.

Roy_H · Oct 15, 2016

Thomas5060 said:
Any brown I've seen has been quite reeky. Digger man da worked for in the 80s had a 1694, a muirhill 121 and a Ford 5000 on 12 ton dumptrailers, he had a spare 12 ton dump trailer so hired a 4wd 70hp zetor and it outpulled the rest

I well remember a chap telling me that he had a Ford 7000 and a Zetor Crystal 8011 and he said the Crystal easily out-pulled The 7000

Thomas5060 · Oct 15, 2016

Wellytrack said:
Mmm, "delivery can be arranged at cost"
Why so miserable?

At that money I'd merrily give the buyer a handjob.

Each to their own.....

Roy_H said:
I well remember a chap telling me that he had a Ford 7000 and a Zetor Crystal 8011 and he said the Crystal easily out-pulled The 7000

Sssshhhhh, we shouldn't talk about these things

cfr1964 · Oct 16, 2016

Thomas5060 said:
What's the difference between a 1410 and a 1412? @John 1594

1410 has manual gearbox
1412 has Hydra shift i believe at the time you could only get 4wd on the 1410
Don't tell anyone I told you this stuff though, it'll ruin my street cred

Thomas5060 · Oct 16, 2016

cfr1964 said:
1410 has manual gearbox
1412 has Hydra shift i believe at the time you could only get 4wd on the 1410
Don't tell anyone I told you this stuff though, it'll ruin my street cred

Ohhhhhh, a secret fetish?

cfr1964 · Oct 16, 2016

Thomas5060 said:
Ohhhhhh, a secret fetish?

You've rumbled me

I'll blame it on the Guinness , it's scrambled my logic

If we keep very quiet though maybe no one will notice

Thomas5060 · Oct 16, 2016

cfr1964 said:
You've rumbled me
I'll blame it on the Guinness , it's scrambled my logic
If we keep very quiet though maybe no one will notice

Just think pure blue thoughts and you'll be ok, or if that fails drink more guiness

John 1594 · Oct 16, 2016

Drillman said:
@John 1594 Is there more to it than what you mention though? Many turbo engines have extra oil spray on the underside of the pistons (i think that's the correct term) and did the figment of the AE3 axle give it a higher load rating meaning a 1694 had a higher chassis rating?

I know a lot of these differences seem like splitting hairs but it adds to the overall package so to speak.

edit i've just looked at the advert................and the price

Not really...early 1690 non turbo engines had a smaller oil pump and lighter valve gear, different top ring in the piston, thats about it

1594 engine is basically a 1694 engine minus the blower, so its got the bigger oil pump, heavier duty valve seats and piston rings

AE3 axle was actually weaker than the 709, due to the distance from the king pins to the center line of the hub, it wore badly, and its common to see an AE3 with the wheels leaning inwards at the top. Never see a maxxum, 78 or a 15 do that?

John 1594 · Oct 16, 2016

Black Oats said:
The 1594 was 95hp as standard wasn't it? So i assume yours has been tweaked a bit to produce 115hp?

Working on that principle would it be feasible to open a 1694 up to 130hp?

They tested them to 145hp on the test bed at the factory....i wouldnt have expected them to give sustained output at that power for long hours though. They are a good engine, up to 110-115hp, any more is asking for trouble from what is basically a pair of 3 pot 885 engines sandwiched together!!!

Selectamatic · Oct 16, 2016

Drillman said:
How come there was a 1494,1594 and 1694 but before that there was only a 1490 and 1690? What happened to the 1590?

Really doesn't make sense as the 1490 was 83hp and the 1690 was 103hp That's a big gap in a best selling power range in the 1980s. Even stranger when the 1410/12 that went before were 92hp iirc.

Yes i know i could be wrong with these figures as it's all from memory

There was no 1590 as the cash strapped DB did not design one.

The rejigged current tractors went from 1190 to 1490. Then they designed a new six cylinder model and called it the 1690.

@John1594 knows more about this, but the North Americans started to complain that the 1690 was not up to the job if you put air con on it, etc etc. So I think the 1690 was replaced by the 1690T. Very soon after the 94's were launched, the 1690 became the 1594, the 1690T became the 1694, with some mods.

David Browns are great, but I think it was a bit of a shambles there toward the end. Shame.

John 1594 · Oct 16, 2016

Selectamatic said:
There was no 1590 as the cash strapped DB did not design one.

The rejigged current tractors went from 1190 to 1490. Then they designed a new six cylinder model and called it the 1690.

@John1594 knows more about this, but the North Americans started to complain that the 1690 was not up to the job if you put air con on it, etc etc. So I think the 1690 was replaced by the 1690T. Very soon after the 94's were launched, the 1690 became the 1594, the 1690T became the 1694, with some mods.

David Browns are great, but I think it was a bit of a shambles there toward the end. Shame.

Pretty much...

the story as it goes is thus...the 1690 in non turbo form was just about adequate for the UK market, it did the job. In North america, air con was a neccesity..the 1690 was pretty much stoked to get 104hp, as can be seen from me tweaking the same engine to 115hp. The americans complained that the 1690 felt underpowered when fitted with air con, and the heavier US spec insulated cab.

The 16 turbo was bought out to test the waters, then a model split took place, the 1694 took over where the 1690 turbo finished, 108hp. The 1594 was introduced, with a better compact front axle, and a de-rated 1964 engine, with the same turbo pistons, valves and oil pump. The fuelling was cut to 95hp, to give it a competetive edge in the fuel consumption figures over its competitors, the IH 956, Ford 7910 and JD 3050. The comparison test the other year proved that even with the DB engine fuelled up 20hp over spec, it still used less fuel than an IH fuelled to standard spec.

What DB should have done, is offered an inbetween model of the 1494 and 1594....using the 1494 engine mated to the heavier 1594 back end

Selectamatic · Oct 16, 2016

What DB should have done, is offered an inbetween model of the 1494 and 1594....using the 1494 engine mated to the heavier 1594 back end

Yes, this!

norse · Oct 16, 2016

Selectamatic said:
What DB should have done, is offered an inbetween model of the 1494 and 1594....using the 1494 engine mated to the heavier 1594 back end

I think this is what they did previously with the 1410 and 1412

multi power · Oct 16, 2016

Thomas5060 said:
What's the difference between a 1410 and a 1412? @John 1594

Hydra shift in 1212 and 1412 syncro 1210 1410

John 1594 · Oct 16, 2016

norse said:
I think this is what they did previously with the 1410 and 1412

Yes, but the engine in the 1410/12 was stressed to the point of no return, being fuelled to 91hp with a larger holset turbo than the later 1490/94 unit

the 1410/12s did have a few engine issues, the slightly detuned unit in the 1490/4 didnt

John 1594 · Oct 16, 2016

multi power said:
Hydra shift in 1212 and 1412 syncro 1210 1410

and 4wd wasnt available with hydrashift until the 94 series came out. Although field test were running a 1212 hydrashift with carrero front axle way before the 90 series came out

multi power · Oct 16, 2016

Selectamatic said:
What DB should have done, is offered an inbetween model of the 1494 and 1594....using the 1494 engine mated to the heavier 1594 back end

Yes, this!

I thought 1494 and 1594 had the same back end?
What's the difference then between 1394 and 1494 ?

multi power · Oct 16, 2016

John 1594 said:
and 4wd wasnt available with hydrashift until the 94 series came out. Although field test were running a 1212 hydrashift with carrero front axle way before the 90 series came out

Is it correct that hydra shift never gives any trouble in 2 wd but is troublesome in 4 wd ?

One for DB fans

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