[maddddog]

Thanks for that. I updated my original post.

 

[maddddog]

Thanks a lot for the info. I am still shopping for a motor and I think I have looked at everyone for sale between Sacramento, San Diego and Phoenix LOL so-

I have found an 89 Cummins with a 727TF trans. Is this trans usable? I don't know anything about it but the motor starts right up and runs seemingly good.

And is it Cummins or Cummings? Spell checker says the latter, most others say the former. LOL

 

[maddddog]

So 410 or worse yet 486 gears would be out of the question with the 727 trans. Correct?

How would the transfer case work with the 727? Divorced or replace the tail shaft housing?

What about a stock 1976 4 speed manual and a np203? Thats what I already have on the parts truck.

 

[maddddog]

Thanks for all that.

Is there a difference in heavy duty-ness between the 3/4 ton and 1 ton axles? ( 4x4 dodge donor truck)

 

[maddddog]

I would like to go the other way and keep the dually wheels.

If I come up with a 3/4 ton donor, I can change the hubs and live with a rear end thats 2"narrower. Is this doable? Crazy? Too expensive?

 

[maddddog]

Thanks for the info on the axles. I would like to confirm the difference (in inches) between a SRW axle and a Cab and Chassis DRW, if anyone knows for sure. I have the cab and chassis and would like to have the option of using a SRW axle, when I find it.

I have an update which will tie back into my original transmission question.

I now have 2 Cummins engines. LOL Not 1, but 2! Yeah, I know, thats what my friends say, but they know me. LOL I am stoked!

The first one is a 91 and may be stuck, the second one is a bit newer (seller wasnt sure and I have not checked or had a good look at it yet) but he knows its a 94-98.

The 2nd motor is still in the truck burried in the back of his shop and it will take a good day of work to dig it out.

So, transmissions.

J10mike posted this earlier-
"The CTD transmission bolt pattern to the adapter plate is different from the gasser tranny bolt patterns. The exception is the Dodge 94 and later transmissions for the V10. They share the same bolt pattern as the CTD starting with the 47rh auto or nv4500 manual bell housing. Just make sure that if you buy a 1st gen adapter plate, you must use the 1st gen starter. 2nd gen the same."

OK, so there is an adapter plate, and a trans. How many options exist in adapter plates? Is this a stock Dodge/cummins thing or are they sold aftermarket? (both?)

Equally important is the transfer case. Which transmissions will except the transfer case? Transfer case options?

I have read a lot about this but have not yet found a tech article that ties it all up for me yet. If you know of one, please link it. I am in a steep learning curve right now and all these questions will end ...... one day soon, I think. LOL
Thanks for all the help!

 

[maddddog]

Ok, good information and just in time. I am looking at an auto thats not an overdrive and you just confirmed my suspicion.

Scatpack you said "The RH version is fully mechanical, you'll need a switch for converter lockup and another for OD.

As far as a manual, skip the Getrag; NV4500, NV5600, G56"

All of these can be used behind a 1st or 2nd Generation engine?

I am definitely a "fully mechanical" kind of guy. 47Rh then is the one I am looking for in an auto.

thanks much, very helpful.

 

[maddddog]

More good stuff, thanks Mad Max

So the gasser and diesel 518 is the same trans but the flex plate and torque converter are diesel specific? Did I understand that correctly?

 

[maddddog]

Alright! the mud is slowly getting clearer, thanks again.

another question-
On the manual transmission side, If I should come up with a Getrag, rebuilt with 8k miles on it for a good price and I decide to use it, will it swap our with the nv4500 or 5600 easily, like bolt in?

I do have a line on that transmission and it comes with some axles I am considering.

 

[maddddog]

some specific links would be great. I find a bunch of stuff but sorting through it all burns me out and then never know if its good info or not. I have seen many contradictions in advice.

Thanks

 

[maddddog]

Thanks Ed
I am considering buying this engine and trans. The truck is a Ford 1998 700?. Its a pretty big truck. The trans is an Allison.

I dont know if its computer controlled, maybe you know?

 

[maddddog]

update- I bought the truck. $1300
Woo hoo its part out time!

 

[maddddog]

Right, no air brakes. No park either. It has another hydraulic system connected to the brakes that has something to do with the power and maybe the parking brake. There is a pull push knob on the dash for setting the brakes.

Anybody know what kind of braking system this it? What its called? I need to do some research on them.

OH, BTW, I am keeping the truck, shortening the frame and putting on a ford dually bed. LOL