Tractive force (85%)............................... 399 lb.
Factor of adhesion................................... 3.17
Cylinders, diameter and stroke........... 3 in. x 4 1/2 in.
Drivers, diameter................................ 8 5/8 in.
Weight on drivers................................ 1,263 lb.
Weight on front truck.............................. 158 lb.
Weight on trailing truck........................... 261 lb.
Total weight of engine........................... 1,682 lb.
Weight of tender................................... 720 lb.
Total weight of engine and tender................ 1.2 tons
Driving wheel base.............................. 30 3/8 in.
Length over draft faces of couplers...... 11 ft. 10 3/8 in.

Fuel............................................ Soft coal
Firebox, length and width.......... 16 1/2 in. x 11 3/4 in.
Grate area.................................... 1.35 sq. ft.
Diameter of boiler, outside......................... 12 in.
Steam pressure..................................... 100 lb.
Track gage, minimum on tangent unguarded track... 7 1/2 in.
Outside gage of flanges......................... 7 7/16 in.
Reverser...................... Manual latch lever quadrant
Valves............................ Inside admission piston
Valve & cylinder lubricator.................... Mechanical
Engine and tender brakes............ Vacuum, steam ejector