What's the best transfer case for me? - Dodge Cummins Diesel Forum
98.5-02 Powertrain Discussion of components that are directly involved in the power production and all that is needed to get and keep the truck moving . Engine , Transmission Ect..NO ADVERTISING .

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post #1 of 17 (permalink) Old 01-16-2020, 06:04 AM Thread Starter
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What's the best transfer case for me?

I've got a 02 2500 Frankenstein. Although I don't know what all is done to it I do know that I destroy every stock transfer case i put under the truck within one wet spring. The truck is a daily and used to pull seed tenders just about everything else a f150 can't handle. I'm wanting put something heavy duty under there. I do know currently it's got a np241 DLD under it and that only lasted 1 muddy road half a mile long pulling a 2 wheel drive dually f350 that weighs half as much as our seed tenders! I can buy/swap stock parts all day long but I'm new to doing swaps and conversions. Basically looking for a list of applicable transfer cases that would be better than stock. Thanks!

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post #2 of 17 (permalink) Old 01-16-2020, 08:31 AM
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NP271, if that fails then you are looking at atlas or TWF hero cases whick are ~5k each. The latter are traditional, 2 or 3 speed cases. If this is a dedicated race truck there is a CSC which is a 1 speed quick change style.

There shouldn't be any reason a 271 shouldn't last, really even a 241 DHD (not the DLD) unless they're are being severely abuse.
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post #3 of 17 (permalink) Old 01-20-2020, 10:19 AM Thread Starter
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With the 271 bolt right up to a 47re? I'm already planning on at least a new rear drive shaft, but what about the forward drive shaft?
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post #4 of 17 (permalink) Old 01-20-2020, 12:55 PM
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What are you breaking int the DLD How about just getting the 241DHD instead with bigger bearing and chain drive. DHD should be straight swap if you get the one from the same trani (auto vs manual).

99 2500, Quad cab, 4x4 47RE, BD pressure lock on it, small BD 90/140 chip on the VP 44 connection plug, 17" 3rd gen wheels. 3.55 diffs. Ruenell front bumper and warn winch, Rancho adj shocks. 663k miles.
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post #5 of 17 (permalink) Old 01-20-2020, 01:37 PM
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I agree with both of the suggestions, but also question the reason why your 241 is breaking. Was it a fresh rebuild? or a used 241 that went into it? a 241DHD should solve the issue, but a 271 is stronger, but will take a little more work to swap in.

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post #6 of 17 (permalink) Old 01-20-2020, 07:01 PM Thread Starter
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One DLD straight blew up. Blew junks all over the place, took out the transmission and transmission lines, fuel lines and caused all sorts of other damage to the underside of the truck, about came through the floor. All with absolutely no warning at all. The current DLD was fresh going in and now whines and rattles and sounds like it is binding up even when it's in 2wd, I've checked the fluid and it's at the proper fill level but I've parked the truck so it don't blow up as well.
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post #7 of 17 (permalink) Old 01-20-2020, 08:16 PM
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Time to consider buying a CAT........

Mostly Stock 1999 Ram 2500 Quad Cab 4X4 Short bed, 24V, 5 speed manual, NV4500HD, NV241HD, model 60 and 80 Dana Diffs, Luke's Link, Raptor RP-100. BIG-D steering brace.
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post #8 of 17 (permalink) Old 01-20-2020, 09:15 PM
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I have an NOS divorced NP205 I could sell you. Most likely you wouldn't be able to break that one, and installation is obviously simple regardless of what transmission you run.
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post #9 of 17 (permalink) Old 01-21-2020, 12:40 AM
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How do you use, drive or treat it? Power level? It is quite odd for one 241(either) to explode like that in normal use, let alone tow? Certain parts can be installed backwards or incorrectly during repair reassembly causing symptoms like you are experiencing currently.
Most transfer issues on a 241 are due to errors during reassembly.

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post #10 of 17 (permalink) Old 01-22-2020, 08:05 PM
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I think the drive shaft may need to be shortened and there is a drive shaft specific spline count depending on whether you had a auto or manual. Unfortunately I don't know the specifics of the swap. I do know it's been done. I am sure there is a write up some place.

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Originally Posted by Gibbonssteven View Post
With the 271 bolt right up to a 47re? I'm already planning on at least a new rear drive shaft, but what about the forward drive shaft?
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post #11 of 17 (permalink) Old 01-23-2020, 03:36 AM
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You also have to match the input gear to trani spline and length.

99 2500, Quad cab, 4x4 47RE, BD pressure lock on it, small BD 90/140 chip on the VP 44 connection plug, 17" 3rd gen wheels. 3.55 diffs. Ruenell front bumper and warn winch, Rancho adj shocks. 663k miles.
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post #12 of 17 (permalink) Old 02-03-2020, 05:30 PM
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Since we're on the 241 subject... Can I take a 241 from a gasser and put in my diesel? Both 272 ratios?
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