Question for direct start

The reason to change the drive end housing regardless of which starter is used is that standard nose housings are unlikely to have the indexing required to clear the flywheel when doing these conversions.

Hi Old Magnet,
I have everything else ordered but wanted to make sure if this is the starter drive housing I need before I order?

http://www.ebay.com/itm/Delco-Remy-35-40-50-MT-Starter-Drive-End-Housing-Caterpillar-/231114248523?pt=Motors_Car_Truck_Parts_Accessories&hash=item35cf7b914b


I also found this starter that appears to have the indexing options already on it, would this starter/end housing combo work?
http://www.ebay.com/itm/230652263251?_trksid=p2055119.m1438.l2649&ssPageName=STRK%3AMEBIDX%3AIT
Thanks

No, the Delco #1951875 housing is for the 40 and 50MT starter.

If you use a 42MT starter it should use Delco #10476030 lever housing if you are to use Triodiode's 6-hole Delco #1988748 drive end housing.
(This is known as a "Left Hand" starter mounting)

If you wind up with a "Right Hand" mount 42MT you will need a #51-11012-1 (12 hole) after market drive end housing and need to drill and tap an extra hole in the lever housing.

The two drive end housings look the same from the drive end but the 42MT housing has provision for the case sealing "O" ring and the 40/50MT does not even though it will fit up.

The latest after market 50MT starter I've purchased shows the mfg has consolidated by producing one interchangeable drive end housing
(w/o-ring) that now fits all three starters.

Again the drive end housing needs to have the 145 degree nose indexing. It is not the same as the standard drive end housing that is indexible but does not work for these conversions.

I can't tell if the starter you are looking at is a LH or RH mount unit.

There are two LH lever housings (hump on the left) that will work. The preferred is the Delco# 10476030. The Delco #1988436 will also work but requires drilling and taping one extra indexing hole.

Hi again,
Last question for you I hope lol,
I ordered a 12volt starter, is that going to make a difference? I was planning on installing two batteries for the extra power.

Thanks again, Mike

[quote="mikedell"]Hi again,
Last question for you I hope lol,
I ordered a 12volt starter, is that going to make a difference? I was planning on installing two batteries for the extra power.

Thanks again, Mike[/quote]The older 71 series DETROITS had 12V 40MT starters....and then in the early 70's they went to 24V 40MT....much better.

Ok, Thank you very much for the clarification.
Mike

The Cat original Diesel starters were all 24V. If you ever expect to run glow plugs 24V is a requirement as there are no 12V glow plugs for these early engines.

hi old magnet, i was wanting to put direct start on a d4 aswell, is it possible to put in a 39mt 12v starter n this position, my idea is not to have 24v and if i need a glow i will put a little either with it, the temps here in oz are a lot warmer, the 39mt are a reduction starter and a little lighter and compact. have you heard of this being done ?
regards

Luke, your other 12v alternative is to put a grid heater in the intake manifold (but don't use it and ether simultaneously!)