bar of adequate strength
the vehicle. Two trailer safety
welded to bottom of
chain attachment devices, one
crossmembers on street
adjacent to each side of the
side, allowing strap hook to
pintle, shall be provided. Each
not protrude past side rail
attachment device shall provide
of body.
an ultimate strength of at least
40,000 lbs.
The attachment
c)
Storable winch binders,
devices shall be capable of
capable of storing a 4 inch
accommodating a standard grab
A 27 feet strap placed in
hook [116 mm (4-9/16 in) wide,
the slide track. A standard
30 mm (1-3/16 in) thick, 19.8
winch
bar
shall
be
mm (25/32 in) throat width)] for a
provided,
for
use
in
16 mm (5/8 in) chain.
The
winching down load straps.
lighting receptacle, conforming
Quantities of straps and winch
to SAE J560, with its conductors
binders shall be 6 each for
connected and color-coded or
16 to 18 foot bodies and 7
number
coded,
shall
be
each for 20 foot bodies and
mounted in a readily accessible
longer.
location near the pintle. The
lighting receptacle on Type IV
TTP
TRAILER TOWING PACKAGE
dumps shall be located to
When code TTP is specified, a
prevent damage during dumping
trailer-towing package shall be
of the cargo.
provided.
Note: option not
TRAILER BRAKE CONTROL
available when code HTG,
SYSTEM.
HTGU, HTGX, or BDS is
In addition to the components
specified.
The trailer towing
specified
in
3.4.11.1
and
package shall consist of a pintle,
3.4.11.1.1, a trailer brake control
safety chain attachment devices,
system shall be furnished when
a lighting receptacle, a trailer
a trailer-towing package code
brake control system (see
TTP is required.
The trailer
3.4.11.2),
and
associated
brake control system shall
reinforcements and wiring, and
include:
shall be installed on the rear of
(a) Identification of emergency
the vehicle. The pintle shall be
and service lines
of the rotating type conforming
(b) Coincident control of trailer
to MS 51118-1. The pintle shall
brakes with prime mover
be installed on the chassis
foot control
frame with reinforcements to
transfer a vertical tongue load of
(c) Independent hand control
not less than 1815 kg (4,000 lb)
for trailer brakes
and a horizontal drawbar load of
(d) Prime mover protection
not less than 178 kilonewtons
valve with dash control and
(kN) (40,000 lb) directly to the
automatic
breakaway
chassis rails. Except on Type II
feature
tractors, the rear most portion of
the pintle shall be forward, but
(e) Trailer stoplight control
not more than 100 mm (4 in)
operable with foot brake
forward, of the rear most part of
Federal Standard 807M
Page 54 of 65
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