1290 Engine Enquiry.

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Martin Halifax
Posts: 3
Joined: Tue May 11, 2021 8:13 am
Location: West Yorkshire

1290 Engine Enquiry.

Post by Martin Halifax » Wed May 12, 2021 12:57 am

Hello there,

I'm just about to start the renovation of a DB 1290. According to it's previous owner it had some issues with the engine, it's looking like we're probably going to need a new crankshaft, pistons etc.

Can anybody please tell me the model of engine my 1290 has ready for when I start ordering parts for it, I want to make sure I'm ordering the correct items. I've been told the 1290 had two different engines around that time of production (81/82), either a 3.2 or 3.6 litre.

The serial number on the engine is - 1290/30/11053974. The registration is YWT 362X.

Thanks, Martin.

User avatar
ollek
Posts: 4503
Joined: Tue Apr 10, 2012 1:20 pm
Location: South West Finland

Re: 1290 Engine Enquiry.

Post by ollek » Wed May 12, 2021 2:28 am

How do you know you need new pistons and crankshaft and what is the reason for doing a engine repair? "Having some issues" does not tell what is wrong (if anything that needs a strip down) with the engine. It is very rare to need a new crankshaft and new pistons are not needed very often either. A new crankshaft is not normaly needed unless it is broken and I have never heard of a broken crankshaft in a 1290 or a 1390. The crankshaft can be reground and undersize bearings fitted if there is any damage to the bearing pins. Please strip the engine down and inspect all parts before you deside what to do and do not order any parts before you know what is needed. It is impossible to tell what you need before you have all old parts at hand and needed measurements done. The serial number you have stated is the tractor model and serial number (PIN), not the engine serial number. PLease look in the following link https://drive.google.com/drive/folders/ ... nhjcW9rMU0 On page IV you will find some informations on where the different serial numbers can be found and on page A3/1 and A3/2 you will find the serial numbers for when the long stroke engine was ,introduced. The long stroke engine is the same in both 1290 and 1390. The short stroke engine type is AD4/49 and the long stroke is AD4/55. The main differences betwen the long and short stroke engines are the crankshaft and the pistons. The following is a link to the complete Workshop Manual https://drive.google.com/drive/folders/ ... 0RRVjBPSGc

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