Sec. 3--Fig. 104 (New--1-1976)
TRACTOR, FOUR WHEEL (PNEUMATIC TIRES), WITH OR WITHOUT BUCKETS, DOZERS, ETC., 130,000 LBS.
OR LESS-FLAT CARS WITH CHAIN TIE-DOWN CHANNELS AND SPECIAL CUSHIONING DEVICES
No. of Pcs.
Brake wheel clearance. See Fig. 2, Sec. 1.
8 ea. side
1/2 in. alloy tie-down chain assembly. Attach 8 inboard tie-down assemblies to each front and
rear axle housing.
4 ea. side
1/2 in. alloy tie-down chain assembly. Attach two outboard tie-down assemblies at front and
rear of tractor and two tie-down assemblies on each side at center of tractor.
2 per wheel
Wheel blocks. Locate two at front of each front wheel and 2 at rear of each rear wheel and nail
to car floor and/or Item "H". See Sketch 1.
1 per ea.
2 in. x 4 in. lumber, length equal to distance between Items "D" and "I". Secure to Item
"H" or car floor with 40-D nails spaced 10 inches apart. See Sketch 3.
8 per unit
4 in. x 12 in. x 10 ft. 6 in. lumber. Locate four crosswise under front and rear wheels to build
up car floor for clearance when more than half of tire extends beyond car floor over top of
channel or when required to provide base for blocking beyond the edge of the car floor. Secure
each plank to car floor with eight 60-D nails. Use optional.
4 per unit
Wedge blocks to be placed inside center of unit when Item "F" is used. Place blocks between
inboard channels on rail car. Secure with two 60-D nails, three 40-D nails, one 20-D nail.
See Sketch 2. Use optional.