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Posted by Franz [207.69.139.142] on Monday, July 19, 2010 at 00:58:50 :
In Reply to: Read this posted by Paul(in NY) [12.64.126.81] on Sunday, July 18, 2010 at 12:59:35 :
Well, I've seen the propoganda sites too, filled generally with posts from blithering idiots too dumb to keep rainwater and snow melt out of the master cylinder.
But why sit on opinion, after all I ain't the local ball bearing metermaid ticketspitter who writes what his boss tells him to write.
I'll just go with the LAW as written.
www.fmcsa.dot.gov
drill down to
b)(5) Surge brake systems. Motor vehicles equipped with surge brake systems must have a service brake system that meets the applicable requirements of §§393.42, 393.48, 393.49, and 393.52 of this subpart.
393.42 even has pictures so people who voted a certain way can use the regulations.
393.48
(d) Surge brakes. (1) Surge brakes are allowed on:
(d)(1)(i) Any trailer with a gross vehicle weight rating (GVWR) of 12,000 pounds or less, when its GVWR does not exceed 1.75 times the GVWR of the towing vehicle; and
(d)(1)(ii) Any trailer with a GVWR greater than 12,000 pounds, but less than 20,001 pounds, when its GVWR does not exceed 1.25 times the GVWR of the towing vehicle.
(d)(2) The gross vehicle weight (GVW) of a trailer equipped with surge brakes may be used instead of its GVWR to calculate compliance with the weight ratios specified in paragraph (d)(1) of this section when the trailer manufacturer’s GVWR label is missing.
(d)(3) The GVW of a trailer equipped with surge brakes must be used to calculate compliance with the weight ratios specified in paragraph (d)(1) of this section when the trailer’s GVW exceeds its GVWR.
(d)(4) The surge brakes must meet the requirements of §393.40.
[39 FR 26907, July 24, 1974, as amended at 41 FR 29130, July 15, 1976; 41 FR 53031, Dec. 3, 1976; 70 FR 48051, Aug. 15, 2005; 72 FR 9870, March 6, 2007]
Sorry, we don't have any DOT issue at all. US DOT has been very specific on the subject of surge brake systems.
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