WEIGHT OF ENGINE IN WORKING ORDER.

On drivers50,000pounds.
On truck6,000"
———
Total weight of engine, about 56,000"

LOAD.
IN ADDITION TO WEIGHT OF ENGINE.

On alevel 1120gross tons.
"20ft. grade535" "
"40"345" "
"60"255" "
"80"195" "
"100"160" "

DIVISION VI.
TANK SWITCHING ENGINES.

CLASS 21 D.
GENERAL DESIGN ILLUSTRATED BY PRINT ON PAGE [120].

CYLINDERS.