ID transfer case
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Authorized Amsoil Dealer
Joined: Mar 2007
Posts: 1,122
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From: Mason City, Iowa
ID transfer case
Looking at a 2002 CTD. My reference guide list 2 possible transfer cases, a NV241 and an NV241HD.
Any simple way to tell which you have?
Heath
Any simple way to tell which you have?
Heath
Diesel Wrench
Joined: Mar 2007
Posts: 570
Likes: 63
From: Lake City, KS
The NV241D is a heavier duty Dodge version of the 241, with a larger input shaft and larger bearings to withstand the torque of the V10 and diesel engines.
The NV241HD, an option on Ram 2500's and standard on Ram 3500's built after 1998, has a stronger case and wider drive chain to better withstand the shock of snow plow service, a PTO cover and drive gear, and an extra bearing to support the thrust to the main shaft created by a PTO adapter.
Except for dimensional differences and the PTO port on the NV241HD, all of the cases are almost identical in appearance. An identification tag is attached to the rear case of every transfer case. The tag provides the transfer case model number, assembly number, serial number, and low range ratio. The transfer case serial number also provides the date of build. For example, a serial number of 9-10-93 would represent September 10, 1993.
The NV241HD, an option on Ram 2500's and standard on Ram 3500's built after 1998, has a stronger case and wider drive chain to better withstand the shock of snow plow service, a PTO cover and drive gear, and an extra bearing to support the thrust to the main shaft created by a PTO adapter.
Except for dimensional differences and the PTO port on the NV241HD, all of the cases are almost identical in appearance. An identification tag is attached to the rear case of every transfer case. The tag provides the transfer case model number, assembly number, serial number, and low range ratio. The transfer case serial number also provides the date of build. For example, a serial number of 9-10-93 would represent September 10, 1993.
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Authorized Amsoil Dealer
Joined: Mar 2007
Posts: 1,122
Likes: 122
From: Mason City, Iowa
I guess I have the 241. On mine there are two plugs on the rear side, one at the bottom and one about 3/4 of the way up. I drained from the bottom and filled til it leaked out the top. Not sure if that was correct, but it worked
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