Sierra Phil<br><br>Do you know the max torque for 48re. On Allison 1000 it's 545 or so.<br><br>Nomade

 

Well the HO has 555 so it has to be at least that.

 

Nomade,

I don't have the exact torque limit for the 48RE tranny. Since it is to be mated with the Cummins HO Diesel which has 555 lb-ft of Torque, the 48RE would be rated higher than the engine. Whether or not D-C releases that info soon or not is anybodys guess. By mating the 48RE with the HO with its 555 ft-lb and selling the combo they would have test data to support a rating above 555 ft-lb.

D-C has in the past given conservative figures, which is not the case of the other two Biggies.

 

Your right phil, walk softly and carry a big stick

 

I think I have seen them driving around in Chelsea MI, comming from the proving grounds.<br><br>KC

 

I can see that some seem to be under the impression that the 48RE will replace the 47RE, altogether. I don't see how the 47RE would go away unless the Standard Output with an auto goes away....right? (can't think of why anyone would want an SO with an auto if they could get the HO with an auto) Plus, CA trucks can't get the HO I thought. I just don't recall reading anything on the new trannies that talks about the 48RE replacing the 47RE.

 

46mech, The 47RE has gone away. It is past, The 47RE trannys installed in 2003 were trannys left-over until the 48RE came fully into production.<br><br>Your logic, &quot; I don't see how the 47RE would go away unless the Standard Output with an auto goes away....right? (can't think of why anyone would want an SO with an auto if they could get the HO with an auto)&quot;, slipped a bit on Holiday Cheer.<br> <br>Here are the facts, If you check the 2003 D-C Service Manual for Dodge Ram Trucks 1500/2500/3500 the 47RE tranny is not in the manual, in its place is the 48RE. In 1999 the preliminary development of the 48RE began. At that time D-C tranny engineers stated to the RV Press they were developing a tranny compatable with the use of an exhaust brake. It was at this time also that an announcement was made that persons installing exhaust brakes whose trucks had the 47RE tranny might not have the warranty on tranny honored if the tranny failure was due to excessive heat.<br><br>The original target date for the 48RE introduction was for 2002 model year, as I recall. They of course missed that date by over a year. <br><br>It makes good sense to place the same tranny in all CTD Trucks and the V-10. The higher cost of the 48RE tranny can be attributed to R &amp; D costs. Making one tranny for both HO &amp; SO trucks, makes lots of sense as the major manufacturing cost in a tranny is the actual cost of labor, not materials. Engineers Know that if the tranny is strong enough for towing conditions with the HO, it is strong enough for the SO. <br><br>Why wouldn't customers buy SO CTD trucks if that is more than adequate for their needs. The 48RE option narrows the price differential between SO &amp; HO. There are many of us who tow a 5er and the SO can adequately handle their towing needs. Many of us are not &quot;loaded with $$$&quot; as you must be. We spend our money carefully as we are limited in what we can afford to spend.<br><br>Thats my $0.02 worth. <br><br> <br> 8) 8)

 

Luke, what was the projected time to delivery of your new truck?<br><br>Bill ???

 

I just bought the HO and 48RE and they run like a dream. Can't wait to start towing my heavy trailer.

 

Excellent ;D. More info please if you have it.

 

Since I do not own an 03 this is just an opinion:<br><br>I do not think that the Cummins needs a 5 speed. On my 98.5 I do accelerate with the shifts just a tad above max power rpm to precisely max torque rpm. <br>I think that the potential of doing more than 100 mph and having enough towing power to make structural changes to my neighbourhood is the best argument that 4 speeds are enough. So why carry another set of gears around?<br><br>About swapping the 47 in a 95 truck for a 48.... maybe it would be cheaper to get an aftermarket supplier like DTT or ATS to upgrade your old tranny to the torque and rpm range your truck needs. I can imagine that first buyng and converting the electronics for the whole powertrain to the torque curve of a 12V could drive an engineer mad. <br><br>Just my 2 c of opinion<br><br>AlpineRAM

 

Pics of the guts of a 48re.<br><br>http://forums.atsdiesel.com/showthre...p;threadid=154

 

On 2/22 Going to order 2003 / 3500 HO / 48RE / SRW. I will be pulling a 11,000 5er. The dealer said &quot;that I don't need an EXHAUST BRAKE, &quot; Are they available for the 48re ? Do I need one?? Most of the dealers ( ALL ) don't know crap about trucks. And this is my first diesel. I really need help on this. Thanks,

 

On 2/22 Going to order 2003 / 3500 HO / 48RE / SRW. I will be pulling a 11,000 5er. The dealer said &quot;that I don't need an EXHAUST BRAKE, &quot; Are they available for the 48re ? Do I need one?? Most of the dealers ( ALL ) don't know crap about trucks. And this is my first diesel. I really need help on this. Thanks<br><br>IMO you don't need one as long as you keep your trailer brakes in good repair and you buy a good break activator for your truck. If you can afford one, and want one, then get one. Read up about them on the net. On the Cummins website they talk about the E-Break by Jacob's.