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Open Roads Forum  >  Towing

 > Reese Straight Line Weight Distribution Hitch Question

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hfrez

Florida

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Posted: 06/25/21 07:15am Link  |  Quote  |  Print  |  Notify Moderator

I have a Reese Straight Line Weight Distribution Hitch product number 66072 rated for #600. My new trailer requires #900 tongue weight.
Can I Just buy the Trunnion Spring bar rated for #1200 and replace the #600 ones?
Thanks ,
Harold

tlfield

Central NY

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Posted: 06/25/21 08:03am Link  |  Quote  |  Print  |  Notify Moderator

I did, worked fine.


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dodge guy

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Posted: 06/25/21 09:22am Link  |  Quote  |  Print  |  Notify Moderator

Yes. I think the heads are the same to 1200lbs. IIRC the 1500lb head is different.


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hfrez

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Posted: 06/25/21 10:10am Link  |  Quote  |  Print  |  Notify Moderator

Thank you all for your responses. I really appreciate it.

Draggo

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Posted: 06/25/21 11:20am Link  |  Quote  |  Print  |  Notify Moderator

I went from 600 lb bars to 800 lb bars to 1200 lb bars all with the same hitch head and I've been using the 1200 bars for 14 years now so you should be fine to just get new bars.


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QCMan

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Posted: 06/25/21 10:01pm Link  |  Quote  |  Print  |  Notify Moderator

Another yes here. While you are at it, get the bars with the hook on the end and add the dual cam anti sway section. Been using that since 2004. All parts have a lifetime guarantee.
On edit, I think 1000 pound bars used to be available.


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hfrez

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Posted: 06/26/21 05:37am Link  |  Quote  |  Print  |  Notify Moderator

I'm also wondering if any of you found a noticeable difference in using the stronger bars?

hfrez

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Posted: 06/28/21 11:02am Link  |  Quote  |  Print  |  Notify Moderator

A little update. I bought the #1200 trunnions and they fit nicely. They are heavier and beefier then the #600 ones. I'm sure that means that anyone could also upgrade to the #800's without a problem. Definitely keep shopping for what you need though, prices ranged from $107 to $265 (for one). I was able to get a great deal on Amazon but etrailer.com was the next best.

I can see how the #1200 Trunnion's will improve the Weight Distribution in a good way.

ktmrfs

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Posted: 06/29/21 09:35am Link  |  Quote  |  Print  |  Notify Moderator

if you go to 1200lb or 1400lb bars and have an old system make sure you get the latest and greatest HD snap up brackets with additional gussets. The older gussets with lighter bars are known to end up bending with the heavy bars.


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JBarca

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Posted: 07/10/21 08:34am Link  |  Quote  |  Print  |  Notify Moderator

hfrez wrote:

I have a Reese Straight Line Weight Distribution Hitch product number 66072 rated for #600. My new trailer requires #900 tongue weight.
Can I Just buy the Trunnion Spring bar rated for #1200 and replace the #600 ones?
Thanks ,
Harold


I see your past this now and have the 1,200# WD bars. The Reese HP trunnion bar hitch head, pn 58167, has been revised several times over the years. Reese use to top out at 1,200# in WD mode back in the early 2,000 time frame. Then came heavier trailers and they offered the 1,700# WD bars, then the 1,500# WD bars and they still fit the same 58167 hitch head. They also started adding rating stickers on the side of the head. Like this

[image]

Here is the latest all cast steel HD trunnion bar head, 58167 at Etrailer as a stand alone part. Etrailer Reese 58167

The next issue was the hitch shank. The ratings on them changed and the 2" square shank topped out at 1,500#, if you wanted to use the 1,700# bars you have to upgrade to a 2 1/2" shank/receiver. On the 2 1/2" shank, the shank tapers down at the hitch head to fit into the 2" hitch head.

As to the WD bar sizes, the 600# and 800# WD bar look the same as the bar outer size and the trunnion lug head is the same, but the steel temper is different.

The 1,200, 1,500 and the 1,700 WD bar have the same trunnion head, bar size, but the temper of the steel is different.

That 58167 head fits all the newer 600 to 1,700# WD bars. Just heads up incase you get an old Reese WD bar, they use to years back, pre year 2,000 at least have smaller OD lugs on the trunnion bars. While they will fit the new 58167, do not mix a new larger trunnion lug WD bar with an older smaller trunnion lug WD bar. They do not lock up un the hitch head the same.

See here, the 800# bar next to a 1,200# wd bar. The 800# bar on the bottom
[image]

[image]

As ktmrfs stated, when you go to the 1,200# and up WD bar, the snap up brackets have had issues of bending open in turns in some cases. The issue also has occurred in less frequency on some of the older 1,000# WD bars when they use to offer that size WD bar. You have a few options in this case, if you are on the old style snap up's, bolt them to the frame. Use grade 5 or higher hardware. You can buy the newer reinforced snap up that have welded on gussets on the sides. Like this one, for $72 each. Reese snap up brackets at E trailer

These Reese Trunnion bar head instructions talks about the bolting on the older style WD brackets, page 5 Reese Trunnion bar hitch instructions

As FYI, before those new heavy duty snap up brackets came out, I was already converted to the 1,700# WD hitch system back in 2007 due the 1,600# loaded tongue weight of our current camper in my sig. Back then, the only option we had was bolting on the snap up. I bolted them on and I am still using them after putting on over 35K miles on the trailer later. In my case, I have a channel iron frame and I can use nuts and bolts and not self taping screws. You can see the round heads of the carriage bolts I used in the lower part of the snap up.
[image]

If you are running 1,200# and up WD bars, you really want to deal with the snap ups, bolt them on or get the new HD snap ups.

Hope this helps

John


John & Cindy

2005 Ford F350 Super Duty, 4x4; 6.8L V10 with 4.10
CC, SB, Lariat & FX4 package
21,000 GCWR, 11,000 GVWR
Ford Tow Command
1,700# Reese HP hitch & HP Dual Cam
2 1/2" Towbeast Receiver

2004 Sunline Solaris T310SR
(I wish we were camping!)


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