The Australian "Mobilco" Chainsaws
Mobilco was an Australian trading company of Melbourne.
Who imported and distributed various foreign chainsaws under it's company's name.
They also imported a lot of Agricultural equipment into Australia
PM Canadien 175 Early Model half top shroud .............. Late model had full top shroud.
Model: 175 

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MANUFACTURED BY:  PM (Power Machinery Ltd.)
  VANCOUVER, BRITISH COLUMBIA, CANADA
SERIES OR ASSEMBLY NUMBER:  
YEAR INTRODUCED:  1962
YEAR DISCONTINUED:  
ENGINE DISPLACEMENT:  5.45 cu. in. (89cc)
NUMBER OF CYLINDERS:  1
CYLINDER BORE:  2.250 in. (57mm)
PISTON STROKE:  1.375 in. (34.9mm)
CYLINDER TYPE:  Aluminum with cast iron sleeve
INTAKE METHOD:  Piston ported
MANUFACTURER ADVERTISED H.P.:  not advertised
WEIGHT :  19 lbs. (8.6 kg) powerhead only
OPERATOR CONFIGURATION:  One Man operation
HANDLEBAR SYSTEM:  Rigid
CHAIN BRAKE:  none

CLUTCH:  Centrifugal
DRIVE TYPE:  Direct
CONSTRUCTION:  Sand cast magnesium
MAGNETO TYPE:  Wico flywheel type
CARBURETOR:  Tillotson HL series
MAJOR REPAIR KIT:  
MINOR REPAIR KIT:  DG-1HL
AIR FILTER SYSTEM:  Flocked wire screen element
STARTER TYPE:  Fairbanks Morse automatic rewind
OIL PUMP:  Automatic with manual assist
OPERATING RPM:  
IGNITION TIMING:  fixed
BREAKER POINT SETTING:  0.020 in. (0.51 mm)
FLYWHEEL/COIL AIR GAP:  fixed, not adjustable
SPARK PLUG TYPE:  Champion J-6-J (10252)
SPARK PLUG GAP:  0.025 in. (0.63 mm)
CRANKSHAFT MAIN BEARINGS:  Ball
FUEL TANK CAPACITY:  1.22 Imp. Pints (690ml)
FUEL OIL RATIO:  16:1
RECOMMENDED FUEL OCTANE:  Regular
MIX OIL SPECIFICATION:  Two-stroke chain saw mix oil
CHAIN PITCH:  .404 in. then 3/8 in.
CHAIN TYPE:  Oregon 56C or 73D
BAR MOUNT PATTERN:  
SHORTEST GUIDE BAR SUPPLIED:  15 in. (38cm)
LONGEST GUIDE BAR SUPPLIED:  24 in. (61cm)
This saw is a Mobilco and carries the sticker on it's airbox or top shroud.