, 1900-07-30
NEW LOCOMOTIVES
VANGUARD OF THE SIXTY NEW
UNION PACIFIC ENGINES
REACH OMAHA.
A Description of the Monsters Which
Will Replace the 1700s on the Wyo-
ming Division-Text of Watch In
speCtion Order Which viii be Is
sued Soon.

The vanguard of the sixty new en-
March arrived in Omaha yesterday, says
the Bee. There are two Of them and
they have been the object of much in
terested curiosity to engine men and
operating officials. A large force Of
machinists has been employed getting
them in shape for service and they will
be given a trial test.
The engines are a new type, known
as the four-Cylinder compound CONSOLE
dated. They are manufactured by the
Baldwin Locomotive works and proto-
types in use on eastern roads have CIV
en- such great satisfaction that al order
for sixty of them was made by the.Un-
ion Pacific. 1t is intended to use them
exclusively on the mountain districts
of the Union Pacific in Wyoming be-
will replace the engines of the 100 class
now used on the Wyoming division and
these will be brought to the Nebraska
division for freight service.
The engines are numbered 1923 and
1924. Two of the four cylinders are
high pressure and the other two low
pressure. The high pressure cylinders
are fifteen and one-half inches in di-
ameter, the low pressure cylinders TWEEN
ty-six inches in diameter. Both have
a thirty-inch stroke. The driving
wheels are fifty-seven inches in dame
ter and support a weight Of $4,000
pounds. The weight of the engine is
$50, 900 pounds; tank, 105, 900 pounds;
the total weight of the engine and tank,
ready for service, being 2S5, 900 pounds.
The tank has a capacity of 5000 gal
Ions of water and sixteen tons of coal.
The working boiler pressure is 200
pounds of steam to the square inch.
There are a total of 3O6 boiler tubes,
each two inches in diameter and thir-
teen feet six inches " length.
The builders 81 these compound con-
SIN tioilh Aol Z D q
great saving Of fuel. They are design
ed for heavy freight service in noun
famous districts n for this reason are
peculiarly adapted for the service
which the Union Pacific intends fol-
them.
The chief distinction between the
pnu, tvra rnrroeo-t oJ+ NV tbo,a pnvp.
pound consolidated engines and the To-
comotives now in use by the Union Pa
cifc is that the new ones have foul
cylinders, double the number possessed
by the old ones. In these the steam
goes from the high to the low pressure
cylinders, thus providing an economy
of power as well as greatly increasing
the capacity of the steam pressure util
lied. In all Of the engines now used by
the Union Pacific the steam Is utilized
in but n pair of cylinders, those hav'
ing the high pressure, and the addition
Of those having the low pressure, max
ing possible virtually double service fol
the steam employed, appeals to practi'
cal engine men as an invention promis
ing wholly satisfactory results.
Officials of the Union Pacific operat
ing department expect the order fol
these new engines to be filled at thu
rate of two per week. The second two
are now on the way. AS soon as eacf
order is received and the engines made
ready for service they will be transfer
red to the Wyoming division, until al
of the freight engines used between
Laramie and Evanston are Of the new
type.