DIVISION III.
FREIGHT OR PUSHING ENGINES—"MOGUL" PATTERN.
CLASS 30 D.
GENERAL DESIGN ILLUSTRATED BY PRINT ON PAGE [74].
CYLINDERS.
- Diameter of cylinders 18 inches.
- Length of stroke 22 or 24 inches.
DRIVING-WHEELS.
REAR AND FRONT PAIRS WITH FLANGED TIRES 5½ INCHES WIDE. MAIN PAIR WITH PLAIN TIRES 6 INCHES WIDE.
- Diameter of drivers 48 to 54 inches.
TRUCK.
ONE PAIR OF LEADING WHEELS, WITH SWING BOLSTER AND RADIUS-BAR, EQUALIZED WITH FRONT DRIVERS.
- Diameter of wheels 30 inches.
WHEEL-BASE.
- Total wheel-base 22 ft. 5 inches.
- Rigid "
(distance between centres of rear and front drivers) 15 ft.