From: Joe Garrett (j.garrett@verizon.net)
Date: Thu Aug 11 2005 - 21:45:39 PDT
By legal I meant that you wouldn't get a citation at a truck scale for
overloading your truck. In the State of Washington, you have to pay (in
advance) an annual weight fee (called tonnage) and then put a placard on the
side of your truck indicating your authorized GVWR. If you pull into a
truck scale and are over that weight, it is BIG trouble. You can't buy more
tonnage than your manufacturer's stated GVWR. On these trucks, that is the
amount indicated on the dash data plate.
In my opinion, the safety constraint on all these military trucks is braking
(of which the lousy tires are a component), not horsepower, springs, or
axles.
Joe Garrett
-----Original Message-----
From: Military Vehicles Mailing List [mailto:mil-veh@mil-veh.org] On Behalf
Of MV
Sent: Thursday, August 11, 2005 9:26 PM
To: Military Vehicles Mailing List
Subject: Re: [MV] M813 towing capacity??
I'm not sure what you mean by legal?
The data plate on my old '62 M51 says 30,000 lb towed load on the
highway, 15,000 lb towed load off road. I thought that was pretty much
standard for the 5 ton cargo and dump trucks.
If you hook a 40,000 lb pintle hitch trailer to a M813 type truck I
think you are still legal.
Realistically though I think that 30,000 lbs would be near the practical
limit due to lack of horsepower. I've had near 30,000 lbs in my M51
dump (200 hp gas) and it doesn't go very fast with that much weight.
Plan on using all 10 forward gears especially if you have any hills.
There is a good reason that they put 350 hp Diesels in newer triaxle
type dump trucks. They really need that kind of HP to get them rolling
in a reasonable timeframe.
Dave
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