Locking diff or not locking diff on a dually - Diesel Forum - TheDieselStop.com
Power Strokes 1994-1997 General Technical discussion of topics related to vehicles powered by the Power Stroke engine in 1994 through 1997 models.

 
LinkBack Thread Tools Display Modes
post #1 of 4 (permalink) Old 04-27-2017, 07:37 PM Thread Starter
Junior Member
 
Join Date: Apr 2017
Location: California
Posts: 3
My Photos: (0)
Feedback Score: 0 reviews
Question Locking diff or not locking diff on a dually

Hey guys, new member here. I am on my second diesel truck. My first one is a 1996 F350 cc lb 4x4 that originally a manual, then converted to automatic before I bought it. It has 250,000+ miles on it. I then converted it back manual and rebuild the front end. Got into a crash and bent the frame. I spent 2 years looking for a new truck and bought a 1997 F350 cc lb dually which I converted it to 4x4 manual. I want to put lockers into my truck. The reason is explained in the following story.

In my first diesel (my parts truck for the 4x4 manual conversion) I was offered an antique truck (1947 Chevy 1.5 ton sheep hauler) and I needed to put it onto the bumper tow trailer I had purchased. My wench broke on the trailer (wire snapped), so I used the one on my truck which also broke (it seized up), so I had to un hook the trailer (put logs and rocks and such around the trailer so it won't move). I then tied one side of the winch cable to the trailer and wrapped the cable around the axle of the chevy truck (using it as a kinda make shift snatch block) and then tied it to my truck. This worked very well till the rear axle got onto the ramps on the trailer. My truck was in reverse and 4x4 low (I started off high then went to low when that didn't work). Only 2 of the 4 tires were spinning so I was kinda making ruts. I then had to do a running start and that eventually got it onto the trailer that way. The f350 + Trailer + the 1947 Chevy weighed about 18,500 lb combined with all the tools and equipment I had.

I believe that lockers would have helped putting that truck onto the trailer. Would it help? I was thinking the OX-Air lockers because they also offer a "permanent locker" adapter tool just in case the air line brakes off.

I will be working at a vineyard/ranch here in California (Napa valley, Paso Robles, San Luis Obispo, Temecula are just a few places). The hills will be some what steep and somewhat slick because I have to harvest before the rains come in. I will be towing 10 tons of harvest grapes or equipment from place to place. So I may need a locker in order not to get stuck.

This is what my truck looks like right now. Im going to put 315/75r16 AT tires on it (I know Im going to need to add a 2" spacer in the rear)

This is how it sits now.

Whats y'alls input?
Thanks
Attached Thumbnails
Click image for larger version

Name:	IMG_0518.jpg
Views:	17
Size:	891.5 KB
ID:	108633   Click image for larger version

Name:	IMG_0418.JPG
Views:	19
Size:	58.8 KB
ID:	108641   Click image for larger version

Name:	IMG_0237.JPG
Views:	21
Size:	1.37 MB
ID:	108649  
Brian Donoghue is offline  
Sponsored Links
Advertisement
 
post #2 of 4 (permalink) Old 04-30-2017, 12:57 AM
Senior Member
 
Steve83's Avatar
 
Join Date: Jan 2006
Location: Memphis, TN 38133, USA, Earth, Milky Way
Posts: 1,007
My Photos: (0)
Feedback Score: 0 reviews
Sounds more like you need to invest in WINCH MAINTENANCE, &/or buy better winches. I prefer Ramsey worm-drives (RE series).

A locking diff can be helpful in some situations, but they're expensive to buy, expensive to install, and still require some maintenance. They also make it easier for you to break truck parts. Some are noisy.

How have you been doing your job up till now? It seems like a locking diff isn't really necessary for you. In your example story, you'd have been MUCH better-off with tires that provide traction, rather than a locking diff. The diff can't help with traction - it can only send torque to the tire(s) with the most. But it can't increase that tire's traction, so you'd have simply made 2 sets of ruts instead of 1.

Based on your description, I recommend you put your money into tires, and your time into fixing/replacing your winches.


To view links or images in signatures your post count must be 10 or greater. You currently have 0 posts.
Steve83 is offline  
post #3 of 4 (permalink) Old 04-30-2017, 12:59 PM
Senior Member
 
Join Date: Apr 1999
Location: Chugiak Alaska
Posts: 3,813
My Photos: (8)
Feedback Score: 0 reviews
If you are worried about traction on wet slippery roads I would not get wide tires!! They will just make it easier to hydroplane, especially DRW when empty. One of my trucks has open diffs front and rear. It does OK on the tar pulling heavy loads but once I get on the dirt it is not a truck I would want to count on making money even in 4 wheel drive. So save the money on wide tires and spacer crap and get some kind of LS or controllable locker for the rear. If you are pulling 4 wheel trailers that put no load on the rear axle I would consider putting some weight in the bed also.
This is not to say Steve83 is wrong about getting a good set of tries, especially tread type. Just don't throw on a big fat tire for looks.
DENNY

1999 F350 AUTO 4x4 CC LB DRW 4.10
DENNY is offline  
 
post #4 of 4 (permalink) Old 05-01-2017, 12:17 AM Thread Starter
Junior Member
 
Join Date: Apr 2017
Location: California
Posts: 3
My Photos: (0)
Feedback Score: 0 reviews
The dually isn't what I used to get the 1947 chevy. I had a 1997 f350 CC LB SRW 7.3L with new tires. The location of the 1947 Chevy was Coalinga California. It was hard dry dirt so I felt like that was one of the issues. The white dually should be better to do that sort of stuff.
Brian Donoghue is offline  
Sponsored Links
Advertisement
 
Reply

  Diesel Forum - TheDieselStop.com > Ford Diesels > Power Strokes 1994-1997 General

Quick Reply
Message:
Options

Register Now



In order to be able to post messages on the Diesel Forum - TheDieselStop.com forums, you must first register.
Please enter your desired user name, your email address and other required details in the form below.

User Name:
Password
Please enter a password for your user account. Note that passwords are case-sensitive.

Password:


Confirm Password:
Email Address
Please enter a valid email address for yourself.

Email Address:
OR

Log-in









Human Verification

In order to verify that you are a human and not a spam bot, please enter the answer into the following box below based on the instructions contained in the graphic.




Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
 
Thread Tools
Show Printable Version Show Printable Version
Email this Page Email this Page
Display Modes
Linear Mode Linear Mode



Posting Rules  
You may post new threads
You may post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are On
Pingbacks are On
Refbacks are On

 
For the best viewing experience please update your browser to Google Chrome