Southern Cross Diesel Engines 1940 Catalogue

TIMING GEARS; Have wide face, and are made,

Pinions of Case Hardened B.H.P, "kase-hard,

and gears of drop forged steel, making an

excellent combination.

AIR CLEANERS; A large capacity oil-wetted Air

Cleaner is fitted as standard to each cylinder head

cover.

VALVES ; The valves are of special silchrome forged

steel, heat treated, and are suitable for

withstanding high temperatures.

MAIN BEARINGS; Are provided between each

crankpin in addition to the extra-large bearing

each end and are made of special heavy bronze

lined with white metal, which is the ideal bearing

for use in compression ignition engines. Ample

CYLINDER LINERS; Special quality cast iron

centrifugally cast, accurately ground, honed and

mirror finished to size. They can be easily

removed from the crankcase. Cooling water

comes in actual contact with the liners.

Experience over many years has proved that the

material in these liners give superior performance

to any other.

CYLINDER HEADS; Are of special cast iron, with

cored ports for air intake and exhaust. The valve

and valve operating mechanism are totally

enclosed, and are lubricated by oil mist and

external ball oilers. The heads are fitted with

Special valve seat insert which are diamond hard,

with the result that valve grinding is rarely

necessary the SOUTHERN CROSS COMBUS

TION CHAMBER ensures an efficient mixture

and even steady running throughout the speed

range with a clear exhaust. Large covers are

fitted for inspection and cleaning of water jacket

CONNECTIONG RODS; Made of 40 tons textile

heat treated steel. Accurate counter balance

weights ensure almost vibrationless running

at all speeds within the speed range. All

bearing surfaces are accurately ground to

size

PISTONS . Of special "Hisil" aluminium alloy,

Which has proved in experience and practical

superior to all other types of pistons. The

piston is made extra long and is fitted with

three (3) compression rings and two (2)

oil rings to ensure complete gas tightness.,

GUDGEON PINS; Extra large diameter fully

floating pins accurately lopped to size

FLYWHEEL; Solid disc, cast iron of large diameter

and heavy section, ensuring steady running.

Diameter 1 ft 10 ins

Weights for

Marks BD C and BE C Engines - 300lbs

Marks BF C and BG C Engines - 350 lbs