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Model: D-44

MANUFACTURED BY:
McCULLOCH MOTORS CORP.
LOS ANGELES, CALIFORNIA, U.S.A.
SERIES OR ASSEMBLY NUMBER:
none
YEAR INTRODUCED:
September 1956
YEAR DISCONTINUED:
April 1958
ENGINE DISPLACEMENT:
4.4 cu. in. (72cc)
NUMBER OF CYLINDERS:
1
CYLINDER BORE:
2.00 in (50.8mm)
PISTON STROKE:
1.375 in. (35mm)
PISTON RING THICKNESS:
CYLINDER TYPE:
Aluminum with cast iron sleeve
INTAKE METHOD:
Reed valves plus third port induction
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:
Die cast magnesium
MAGNETO TYPE:
McCulloch
CARBURETOR:
Tillotson HL-19 series
MAJOR REPAIR KIT:
RK-28HL
MINOR REPAIR KIT:
DG-5HL
AIR FILTER SYSTEM:
Flocked screen
STARTER TYPE:
McCulloch automatic rewind
OIL PUMP:
Manual
MAXIMUM ENGINE RPM:
6500 with air vane governor
IDLE RPM:
IGNITION TIMING:
fixed
BREAKER POINT SETTING:
.018 in or just breaking with timing pin
FLYWHEEL/COIL AIR GAP:
0.010 in. (0.25 mm)
SPARK PLUG TYPE:
Champion J8J
SPARK PLUG GAP:
.025 in. (0.63 mm)
CRANKSHAFT MAIN BEARINGS:
Ball
FUEL TANK CAPACITY:
FUEL OIL RATIO:
1/2 pint to 1 gallon = 16:1
RECOMMENDED FUEL OCTANE:
Regular
MIX OIL SPECIFICATION:
McCulloch 2-cycle oil
CHAIN PITCH:
7/16 in.
CHAIN TYPE:
Oregon 61C or McCulloch Pintail
BAR MOUNT PATTERN:
SHORTEST GUIDE BAR SUPPLIED:
16 in.
LONGEST GUIDE BAR SUPPLIED:
24 in.
COLOUR SCHEME:
McCulloch Yellow enamel
PAINT CODES:
ILLUSTRATED PARTS LIST:
SERVICE MANUAL:

COMMENTS:
This was the first of a series of engines that kept McCulloch a leader in Professional Chain Saws for years.



 

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