Differences between First and Second Batch RLHs

First Batch
(RLH 1-20)
Second Batch
(RLH 21-76)
Date built Early 1950 Late 1952
Chassis Type AEC Regent III 9612E AEC Regent III 9613E
Radiator cover Chrome Aluminium
Cab switch and control panels Simms bank of 6 toggle switches and fuses, next to starter switch. Simms control unit with toggle switches and plunger offside of driver's seat. Bank of LT style heavy duty switches/ fuses next to starter switch. CAV dynamo control unit only offside of driver's seat.
Compressor air intake, in cab, below driver's seat Westinghouse air filter and anti-freezer unit (alcohol reservoir) Simple LT style felt filter
Chassis length 26ft 0in 26ft 7516in
Turning Circle (official) 60ft 57ft
Body Offside rear corner lower panel 1-piece 2-pieces with horizontal beading between
'Used Tickets' bin on platform bulkhead Built into panel Separate box bolted onto panel, LT style
Rear direction indicators None when new.
Later, fitted like RM, with separate lamp either side of advert panel
None when new.
Later, 'double arrow' fitted into same panel as number plate
Horn position, hung from canopy above engine Closer to front of bus Further back
Driver's front opening air vent flap below windscreen Yes No
Ventilators on upper deck roof Yes, 3 each side No
Blindbox light fittings Large circular surrounds Bare cap holders
Interior seat frame tops Chrome Aluminium
Saloon lighting Controlled from cab Controlled by conductor, under stairs
RLH 16

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