NP205 or NP203????
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Laughing Gas
Joined: Aug 2004
Posts: 1,138
Likes: 0
From: Yuba City, Ca
NP205 or NP203????
Hey all, i have a question for you. I just bought a 1978 F-250 Ranger Explorer from a really good friend with 112,850 documented miles and i want to know 2 things.
First:
i can't figure out which transfercase it has? The pattern is 2L-N-2H-4H. Also can anyone give me a example of what i would use each for
?
Second:
I also can't figure what front axle i have. it's probably stamped but i can't find the stamp, i know where it should be, but it's really dirty and grimey. What axle do you think I could have. My rear is a Dana 60 4.10 Limited Slip
. So i know it has to have a 4.10 up front.
Thanks,
Aaron
First:i can't figure out which transfercase it has? The pattern is 2L-N-2H-4H. Also can anyone give me a example of what i would use each for
?Second:I also can't figure what front axle i have. it's probably stamped but i can't find the stamp, i know where it should be, but it's really dirty and grimey. What axle do you think I could have. My rear is a Dana 60 4.10 Limited Slip
. So i know it has to have a 4.10 up front.Thanks,
Aaron
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Laughing Gas
Joined: Aug 2004
Posts: 1,138
Likes: 0
From: Yuba City, Ca
ok i'm really surprised that no one has answered cause usually people jump in and help pretty quickly but i guess it's slow tonight. Well i'll be patient. i guess i don't really have a choice. lol
Logistics Pro
Joined: Aug 2003
Posts: 4,701
Likes: 6
I think you have an NP205. I would bet the front position is 4L though, not 2L. As far as the front axle, if the center doesn't look like the back center, then I would guess it is a 44. The 60 has a "60" cast into the bottom right web of the housing, but I haven't seen anything that identifies a 44 other than knowing what one looks like. Hope this helps you, Ted
Senior User
Joined: Jan 2003
Posts: 229
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From: North Carolina
Ted is correct. You have an NP205 and the first position is 4L. An NP205 reads:
4L
N
2H
4H
NP203 reads:
LOCK
HI
N
LO
LOCK
As for your front axle, it is probably a Dana 44HD since not many of the F250s came with a Dana 60 up front. If it is a Dana 60 it will have kingpins rather than balljoints. King pins will have 4 bolts that hold the top and bottom caps into the steering knuckles.
4L
N
2H
4H
NP203 reads:
LOCK
HI
N
LO
LOCK
As for your front axle, it is probably a Dana 44HD since not many of the F250s came with a Dana 60 up front. If it is a Dana 60 it will have kingpins rather than balljoints. King pins will have 4 bolts that hold the top and bottom caps into the steering knuckles.
Postmaster
Joined: Dec 2003
Posts: 2,833
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From: Honkytonkville
Ill agree you should have NP205....As for your axle the easiest way for me to tell is to take a tape measure out to it and measure the inspection cover across the recess for the ring gear, from top to bottom, a D44 measures 10 1/4" while a D60 measures 12 1/2". A D44 also has a rounder shape to the inspection cover, IMO.
Scott
PS: Indybroncoman- I read in an offroading mag that about 1/3 of 1978(and earlier) F250's came with a D60 up front, so they're more common than you think. In 1979 the D60 was less common up front under an F250 because Ford offered the F350 in a 4wd model, with the D60 front axle as a standard.
Scott
PS: Indybroncoman- I read in an offroading mag that about 1/3 of 1978(and earlier) F250's came with a D60 up front, so they're more common than you think. In 1979 the D60 was less common up front under an F250 because Ford offered the F350 in a 4wd model, with the D60 front axle as a standard.
Last edited by scottie2hottie; Aug 20, 2004 at 10:35 AM.
Thread Starter
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Laughing Gas
Joined: Aug 2004
Posts: 1,138
Likes: 0
From: Yuba City, Ca
thank you all!!!!! my axel code is B4R so i don't know. my trans is G, i know that it's a c6 cause i don't believe any other A/T was offered in my year of 1978. At least i know that my transfer is a NP205. i believe the front axel is a more round cover. i i couldn't find a stamp on it i thought all dana's had stamps but i guess not. thank you again for the info.
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Laughing Gas
Joined: Aug 2004
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From: Yuba City, Ca
also the gvw is 8500lbs. the front position on the shifter is 4L sorry for the mix up i was doing it by memory. Again if anyone forgot can anyone tell me what i would use each gear for in the transfer case(ie snow, gravel) i don't really know much about transfercases. thanx all
Last edited by f250rangerexplorer; Aug 21, 2004 at 12:02 AM.
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Logistics Pro
Joined: Aug 2003
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Personally, I use 2h for daily driving, 4h for snowy roads, and 4l for offroading. I have a manual, so it is easier on the clutch to use 4l and run the upper tranny gears, going down to 1 and 2 when it is required.
Senior User
Joined: Mar 2003
Posts: 432
Likes: 1
From: up state N.Y.
Anything that I might do with my truck's or pull i will use the 4low,and 1st gear for stump pulling(LOL),and as for highway when their snowey 4high,and if clean,and dry 2high.To pull a chevy backward's 4low,and 1st gear.(LOL)
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