TM 55-2200-001-12
Change 3
Sec. 6-Fig. 202 (New-10-1968)
SEMI-TRAILERS, EMPTY, SINGLE AND DUAL WHEELS-FLAT CARS WITH RETRACTABLE HITCHES
Item
Description
A
Brake wheel clearance. See Fig. 2, Sec. 1.
GENERAL INSTRUCTIONS
(1)
Shippers should specify cars that are applicable to the length and width of the vehicles being loaded when
ordering specialized railroad freight equipment.
(2)
A thorough examination shall be made of all hitches and jaws prior to loading of trailers on cars.
(3)
Loading of trailers may be by tractor, overhead crane or side loaders.
(4)
Retractable hitches, insure that hitch is securely locked in "up" position. Securement of the trailer on the
retractable hitch shall be in accordance with car owner's instructions. Check to Insure that trailer kingpin is locked in
place on the hitch.
(5)
Trailer landing gear shall be raised to provide a minimum of four inches of clearance between the landing gear
and car.
(6)
Method of loading is applicable to other types of vehicles weighing up to 40,000 pounds providing that kingpin
height is between 47 inches minimum and 52 inches maximum. The following vehicles in the quantity shown can be
loaded on an 85 foot or longer car equipped with retractable hitches. Cars of shorter length may be used with a lesser
quantity of vehicles.
Approx.
Type
Description
Length
Weight
Quantity
M117
Chassis, Semitrailer
6 Ton
2 Whl
270 in.
4,700
2
M117A1
Chassis, Semitrailer
6 Ton
2 Whl
270 in.
4.700
2
M118
Semitrailer, Stake
6 Ton
2 Whl
275 In.
7,200
2
M118A1
Semitrailer, Stake
6 Ton
2 Whl
275 In.
7,200
2
M126
Chassis, Semitrailer
12 Ton
4 Whl
344 in.
8,400
2
M126A1
Chassis, Semitrailer
12 Ton
4 Whl
345 in.
8.400
2
M127
Semitrailer, Cargo
12 Ton
4 Whl
344 in.
13,500
2
M128
Semitrailer, Van, Cargo
12 Ton
4 Whl
250 in.
15,000
2
M146
Semitrailer, Van, Shop
6 Ton
2 Whl
275 in.
7,000
2
M172
Semitrailer, Low Bed
25 Ton
4 Whl
406 In.
15,500
2
M172A1
Semitrailer. Low Bed
25 Ton
4 Whl
411 In.
16,500
2
M269
Semitrailer, Low Bed, Wrkr
12 Ton
4 Whl
409 In.
14,500
2
M270
Semitrailer. Low Bed, Wrkr
12 Ton
4 Whl
591 in.
17,500
1
M270A1
Semitrailer, Low Bed, Wrkr
12 Ton
4 Whl
597 in.
17,500
1
M313
Semitrailer. Van, Expans
6 Ton
4 Whl
323 in.
16,000
2
M348//348F
Semitrailer, Van, Elect
3/6 Ton
2 Whl
326 in.
9,500
2
M349
Semitrailer. Van, Refrig
7 ½ Ton
2 Whl
284 in.
8.600
2
M349A1
Semitrailer, Van, Refrig
7 ½ Ton
2 Whl
284 In.
8,600
2
See General Rules 5, 7 and 19B for further details.
E-129
