The ‘Sentinel Waggon Works’ launched in 1933 the new shaft drive waggon known as the S-Type
From 1933 - 1938
265 S-Types were produced.
S4 Payload 7 Tons (4 wheels)
S6 Payload 11 Tons (6 wheels)
S8 Payload 13 Tons (8 wheels)
3WT (Three way Tipper)
Feed water tanks hold 165 gallons
will run for 40 - 60 miles
Coal bunkers hold 330 kg
will run for 150 - 180 miles
Coal consumption per mile 3 Ib
On road 30 - 40mph
Working pressure of 255psi
Four cylinder, single acting engine.
457 KG in weight
14 lb bhp per hour in steam consumption
Two Speed Gear Box
Top gear was direct.
Low gear ratio 2.72:1
Cardan shaft 3ft drive from engine to rear axle
Rear wheel brakes applied by hand rachet lever
or by steam controlled foot pedal
Front wheel brakes were a optional extra at the factory.
Light weight frame.
Windows fitted with ‘Safety glass’.
Throttle foot operated.
Brake Lever, Gear Change & Cam Shaft Control
Blower & Injector