S-class Melbourne tram

The S-class was a class of 18 trams built by Duncan & Fraser, Adelaide for the Melbourne, Brunswick & Coburg Tramways Trust (MBCTT). The first 12 entered service in 1916, numbered 1 to 12. All passed to the Melbourne & Metropolitan Tramways Board (MMTB) on 2 February 1920 when it took over the MBCTT, becoming the S-class^[a] and renumbered 154-165.^[1][2][3]

S-class
Manufacturer	Duncan & Fraser
Assembly	Adelaide
Constructed	1916-22
Number built	18
Fleet numbers	151-171
Capacity	44 (as built) 36 (as modified)
Specifications
Car length	10.67 m (35 ft 0 in)
Width	2.45 m (8 ft 0 in)
Height	3.26 m (10 ft 8 in)
Wheel diameter	838 mm (33.0 in)
Wheelbase	2.74 m (9 ft 0 in)
Weight	12.6 tonnes
Current collector(s)	Trolley pole
Bogies	JG Brill Company 21E
Track gauge	1,435 mm (4 ft 8+1⁄2 in)

The other six were built to a slightly modified design, being delivered to the MMTB between 1920 and 1922. Originally numbered 19, 20, 21, 139, 23, and 171, they were renumbered 166 to 171^[1][2] respectively and classed S1.^[3][a]

In 1941/42, 14 were rebuilt for one-man operation, seven for the isolated Footscray network and seven for all night services on the main network. The Footscray cars were returned to crewed configuration in 1947.^[1]

Preservation

One has been preserved:

• 164 as part of the VicTrack heritage fleet at Hawthorn depot^[4][5]

Notes

1. Later becoming (Coburg) A class.