Why not swap the complete flywheel housings? you will have to do that anyway to fit the tractor flywheel and fit a pump drive for the transmission and hydraulic pumps. It is normal to find when fitting industrial engines into tractors, that you need to swap over the 'ends' , front and back, the fuel injection pump, and sometimes the induction and exhaust systems.
Thanks for reply hopefully im missing an option
Buying the motor i was aware that bellhousing was a swap and heads too because n/a heads have different manifold bolt pattern than turbo heads but what i ran into on the d7e motor there is a large shaft that runs off the front timing cover all the way to the back of the block just below the deck of the block and a gear case mounts to it to run hydro pumps. On the industrial engine it is solid cast no cover plates or options in the rear of block so was there a different option for maybe a d7d that ran hydros off flywheel?
No option that I'm aware of. The Industrial engines didn't make use of a pto rear drive on the engine. Also did not make use of the scavenge system at the front and rear of the oil pan like the tractors do.
While I am inclined to try anything, I think your best easy option is another D7E engine or another tractor. That's the usual route my practical sidevusually goes for. The allure of all those spare parts you get with the donor machine is hard to resist!
You have a wonderful day. Best wishes. Deas Plant.
Hi, Cdcompton.
I have done a few engine swaps over the years and have yet to see one go without a hiccup.
The D7F was the first of the 6-cylinder D7s and used the old D7E transmission for a while, until they realized that it was just not suited to the higher revving 6-cylinder engine. Also, the D7E was/is a very nicely balanced tractor either as a drawbar pulling tractor or as a dozer. The D7F was outa balance due to the 6-cylinder engine being quite a bit lighter than the old 4-banger D339. I found several times that if I could not back a D7F up a slope, it was not going to drive up that slope face first either 'cos it was so light on the front, even with a dozer blade up front. NOT good for a dozer, not even good for a tractor on drawbar work.
An engine out of one of the early D7Fs would possibly bolt straight up to the D7E transmission but there would be some 'plumbing' that would need modifying.
I suspect that the engine oil pans would match up too, where the industrial engines would have different oil pans and pickups.
Just my 0.02.
Thanks for reply hopefully im missing an option
Buying the motor i was aware that bellhousing was a swap and heads too because n/a heads have different manifold bolt pattern than turbo heads but what i ran into on the d7e motor there is a large shaft that runs off the front timing cover all the way to the back of the block just below the deck of the block and a gear case mounts to it to run hydro pumps. On the industrial engine it is solid cast no cover plates or options in the rear of block so was there a different option for maybe a d7d that ran hydros off flywheel?
If the blocks look the same visually other than the missing output then you should be able to get a good machine shop to machine the necessary mounting holes etc. Should be quite easy given you have a block to copy off. I don't know what it would cost but it might be an option if you can't source another block. If you decide to get it machined run a visual over the rest of the block to make sure there are no other holes missing such as bolt holes for the scavenger lines.
As for the heads are they ported differently or just different bolt patterns? You might be able to drill new bolt holes for the manifold if they are ported the same.
Regards
Phil
After searching internet high and low with not much luck i have got an industrial d339. And being told all 339's are the same that is a $2k paper weight that i have 11hrs of my life getting only to get home and take the shroud off and find no rear pto bearing hole. What else do you do but go to wholesale tool and order a fly cutter for a mag drill and hope you and the old man can punch a hole strait wish me luck
Our channel highlights machines from the earliest Holt and Best track-type tractors, equipment from the start of Caterpillar in 1925, up to units built in the mid-1960s.
Chapter Two
| Highacres Farm, Dewey Lane, Brackenfield, Derbyshire DE55 6DB, UKChapter Nineteen
| 2 Winkleigh Rd, Exeter TAS 7275
Antique Caterpillar
Machinery Owners Club
1115 Madison St NE # 1117
Salem, OR 97301
Terms & Privacy
Website developed by
AdCo
"I also joined a year ago. had been on here a couple of times as a non-member and found the info very helpful so I got a one year subscription (not very expensive at all) to try it out. I really like all the resources on here so I just got a three year. I think its a very small price for what you can get out of this site."
-Jason N
