1490, 1494 engine transplant to 1690

Hello
Wondering if a 4 cylinder from 1490 or 1494 would fit in place of 6 cylinder on 1690 4x4?
12 speed 1690.
are they the same from clutch back? can the different parts be changed out?
I'm trying to get my head wrapped around it but the parts diagrams online are not showing me exactly what i need to see etc.
Thanks
 
I'm certain, you would have to change the engine section of the frame out too.

Not sure what else, or if it even can be done, but suspect it can.

A 1410 is more similar in the back half than a 1490 or 1494 is.

I have frankensteined a 1410 motor into a 1490...
 
Thank you RG
I would need the whole frame and engine block
but can't even tell if the bolt holes line up etc or the shaft out of the 1690 is same as 1490,94.
If you have any parts diagrams etc of 1490 please share they may be better than what I have found online.

what do you mean by "more similar in the back half"?

thanks
 
The parts manuals for the 1490, 1690, 1410 and many other David Brown models are at the following link for free download in pdf format:

https://sites.google.com/site/deerebrown/david-brown-info-ii/david-brown-parts-manuals
 
Have seen it the other way: Planting a 1690 engine in front of a 1490 tranny. Was straight bolt on except for inner/outer driveshaft which had to be changed.
 
(quoted from post at 14:04:26 07/15/19) I'm certain, you would have to change the engine section of the frame out too.

Not sure what else, or if it even can be done, but suspect it can.

A 1410 is more similar in the back half than a 1490 or 1494 is.

I have frankensteined a 1410 motor into a 1490...

Similar question, then would a 1412 engine/frame fit 1690 rear ?

with the exchange of shafts expected

Is there a particular hurdle you can think of? I'm not looking to machine parts....swapping from one db part to another ....

thank you
 

We sell tractor parts! We have the parts you need to repair your tractor - the right parts. Our low prices and years of research make us your best choice when you need parts. Shop Online Today.

Back
Top