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Page Title:
Tabulation C. Surge brake actuators. |
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|  MIL-C-52437C
TABLE II. Trailer specifications. (Cont'd)
VMRS No.
Feature/Requirements
TABULATION C. Surge brake actuators.
Minimum 20,000 lb
Minimum
Minimum
Trailer VIN Plate
Gross Load Actuator
12,000 lb.
6000 lb.
Minimum GVWR
Unit; and Min. 2000 lb.
Gross Load
Gross Load
Tongue Load
Actuator Unit
Actuator Unit
Min. 1-in.
Min 1-1/4 in.
Bore
Bore
Up to 2000 lb.
STD*
OPT*
NA
NA
Up to 5000 lb.
STD
STD
OPT
NA
Up to 7000 lb.
NA
STD
STD
OPT
Up to 12,000 lb.
NA*
STD
STD
OPT
Up to 15,000 lb.
NA
NA
STD
STD
Up to 20,000 lb.
NA
NA
NA
STD
Over 20,100 lb.
Note:
Surge brake actuator not acceptable in trailer weighing over 20,000 lb.
due to likely misuse by towing with prime movers which are too light;
also braking in reverse direction is required by users.
*NA Not acceptable.
STD A standard system.
OPT A system optionally acceptable, unless or as otherwise specified.
VMRS 13-006 (Cont'd)
With air-over-hydraulic brake systems, furnish
split hydraulic brake master cylinder, twin
equallized master cylinder assemblies, or two
identical power clusters.
Duplicate units providing either shoe-by-shoe,
brake-by-brake, or axle-by-axle service
braking.
Power cluster matched and approved by the
foundation brake manufacturer. Provide power
cluster per tabulation D.
29
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