Left hand lugs
Thread Starter
|
Elder User
Joined: Feb 2006
Posts: 765
Likes: 1
From: Eastern Ohio
Left hand lugs
I blew a tire on my 84 F350 crew cab 4x4 srw the other night and after alot of cursing figured out that my left rear wheel uses left handed lug nuts. I was wondering if this is stock or was something swapped by some po. I believe the rear end is a D61 or D70 id #'s aren't readable.
Post Fiend
Joined: Jul 2004
Posts: 8,786
Likes: 28
From: Northern California
Yes it's stock.
F-350 SRW's of a certain GVWR used Left handed lug nuts on the left side.
F-350 DRW's also use Left handed lug nuts.
It's to keep the lug nuts from loosening up, under weight. The spinning of the wheels going forward, on the left side, will tighten up with left handed lug threads, whereas if they were right handed on the left side, they would tend to loosen up.
All heavy trucks are like that.
Even saw a Ford Courier with that type lugs on it.
hope this helps,
F-350 SRW's of a certain GVWR used Left handed lug nuts on the left side.
F-350 DRW's also use Left handed lug nuts.
It's to keep the lug nuts from loosening up, under weight. The spinning of the wheels going forward, on the left side, will tighten up with left handed lug threads, whereas if they were right handed on the left side, they would tend to loosen up.
All heavy trucks are like that.
Even saw a Ford Courier with that type lugs on it.
hope this helps,
Thread Starter
|
Elder User
Joined: Feb 2006
Posts: 765
Likes: 1
From: Eastern Ohio
Ok, Thanks. I had seen it on drw trucks, class 8 trucks and old cryslers were that way, just hadn't seen it on a srw ford before.Should the left front be left handed too? They weren't even stamped on the lugs,made for a bad time changing a tire at 2am(made worse by not having a spare) 
Last edited by kawcrasher; Jun 29, 2006 at 09:10 PM.
Post Fiend
Joined: Jul 2004
Posts: 8,786
Likes: 28
From: Northern California
It think they should be, but they are not. The Front is Right threaded, and the left rear is left threaded. Why it's not marked I don't know.
Here's some information on Wheel lug torque according to the 1981 light truck specification manual. It shows right and left handed lug threads.
---------------
F-350, E-350, 4x4, 4x2, Single rear wheels.
Front wheels and right rear:
Thread size: 9/16-18/Right Handed
Torque Range: (N.m: 156-237) Ft. LBS: 115-175
Nominal: (N.m: 196) Ft. LBS: 145
Left Rear:
Thread size: 9/16-18/Left Handed
Torque Range: (N.m: 156-237) Ft. LBS: 115-175
Nominal: (N.m: 196) Ft. LBS: 145
------------
F-350, E-350 4x2 with dual rear wheels.
Front wheels and right rear:
Thread size: 9/16-18/Right Handed
Torque Range: (N.m: 237-353) Ft. LBS: 175-260
Nominal: (N.m: 298) Ft. LBS: 220
Left Rear:
Thread size: 9/16-18/Left Handed
Torque Range: (N.m: 237-353) Ft. LBS: 175-260
Nominal: (N.m: 298) Ft. LBS: 220
-----------
Hope this helps,
Here's some information on Wheel lug torque according to the 1981 light truck specification manual. It shows right and left handed lug threads.
---------------
F-350, E-350, 4x4, 4x2, Single rear wheels.
Front wheels and right rear:
Thread size: 9/16-18/Right Handed
Torque Range: (N.m: 156-237) Ft. LBS: 115-175
Nominal: (N.m: 196) Ft. LBS: 145
Left Rear:
Thread size: 9/16-18/Left Handed
Torque Range: (N.m: 156-237) Ft. LBS: 115-175
Nominal: (N.m: 196) Ft. LBS: 145
------------
F-350, E-350 4x2 with dual rear wheels.
Front wheels and right rear:
Thread size: 9/16-18/Right Handed
Torque Range: (N.m: 237-353) Ft. LBS: 175-260
Nominal: (N.m: 298) Ft. LBS: 220
Left Rear:
Thread size: 9/16-18/Left Handed
Torque Range: (N.m: 237-353) Ft. LBS: 175-260
Nominal: (N.m: 298) Ft. LBS: 220
-----------
Hope this helps,
Fleet Mechanic
Joined: Jan 2005
Posts: 1,413
Likes: 14
From: cape may county NJ
Yeah when I first got Barney and couldn't get drivers side rear wheel off even with a big snapon impact,never knew they had LHT lucky they didn't break off.
Trending Topics
Posting Guru
Joined: Apr 2003
Posts: 1,903
Likes: 2
From: Wyoming
Make sure the kid at the tire store knows that before you let him hack at the lug nuts with an impact wrench. I learned the hard way on my '82 E-350 dualie.
FTE Stories
Ford Trucks for Ford Truck Enthusiasts
AEV FXL Super Duty - the Super Duty Raptor Ford Doesn't Make
Brett Foote
Lobo Vs Lobo: Proof the F-150 Lobo Should Be Even Lower!
Michael S. Palmer
Ford's 2001 Explorer Sportsman Concept Looks For a New Home
Verdad Gallardo
10 Best Ford Truck Engines We Miss the Most!
Joe Kucinski
2026 Shelby F-150 Off-Road: Better Than a Raptor R?
Brett Foote
2027 Super Duty Carhartt Package First Look: 12 Things You NEED to Know!
Michael S. Palmer
10 Most Surprising 2026 Ford Truck Features!
Joe Kucinski
Top 10 Ford Trucks Coming to Mecum Indy 2026
Brett Foote
5 Best / 5 Worst Ford Truck Wheels of All Time
Joe Kucinski
Junior User
Joined: Dec 2002
Posts: 81
Likes: 0
From: Clovis, NM
My 86 f250HD had them on the front left wheel and it took me about a hour to find that out after breaking sockets and a breaker bar, I think the wheel studs must have been change by the previous owner.
