WHEEL-BASE.

TANK.

WEIGHT OF ENGINE IN WORKING ORDER.

On drivers44,000pounds.
On truck6,000"
———
Total weight of engine, about 50,000"

LOAD.
IN ADDITION TO WEIGHT OF ENGINE.

On alevel 980gross tons.
"20ft. grade465" "
"40"300" "
"60"220" "
"80"170" "
"100"140" "

DIVISION VI.
TANK SWITCHING ENGINES.