Introduced to Service :- 1938

Builders :- North British, Beyer Peacock, Henschel and Schwartzkopf.

Class Total :- 255 Locomotives

SAR Running Numbers :- 2902 to 3156

Weight Loco :- 113 tons

Weight Tender :- 69 tons (or 107 tons type EW)

Cylinders (2) :- 24 x 28 inches

Boiler Pressure :- 210 lbs per sq inch

Driving Wheels :- 5’ 0” Diameter

Tractive Effort (85%) :- 47,980 lbs.

Valve Gear :- Walschaerts

The last–built 15F No. 3156 backs down to her train at Koppies in 1989