McCulloch Mac 1-41 Specifications

McCulloch Mac 1-41 Specifications

The McCulloch Mac 1-41 chainsaw was a true icon of its time, captivating the hearts of many with its power and rugged charm. Manufactured by McCulloch Motors Corp. in Los Angeles, California, this chainsaw first hit the market in March of 1960, and quickly became a favorite among both professional lumberjacks and weekend warriors alike. Sadly, the production of the Mac 1-41 was discontinued only a year later, in February of 1961, leaving a void in the hearts of those who had come to love and rely on this powerful tool.

Even after all these years, the Mac 1-41 still holds a special place in the hearts of many, a testament to the enduring legacy of this iconic chainsaw.


ManufacturerMcCulloch Motors Corp.
Series or Assembly NumberN/A
Year IntroducedMarch 1960
Year DiscontinuedFebruary 1961
Engine Displacement4.9 cu. in. (80cc)
Cylinder Bore2.125 in. (54mm)
Piston Stroke1.375 in. (35mm)
Piston Ring ThicknessN/A
Cylinder TypeAluminum with cast iron sleeve
Intake MethodReed valves with third port induction system
Manufacturer Advertised H.P.N/A
Weight19.5 lbs. powerhead only
Handlebar SystemRigid
Chain Brakenone
Drive TypeDirect
ConstructionDie cast magnesium/aluminum alloy
Magneto TypeMcCulloch
CarburetorTillotson HL series
Major Repair KitN/A
Minor Repair KitDG-5HL
Air Filter SystemFlocked wire screen
Starter TypeMcCulloch automatic rewind
Oil PumpManual
Maximum Engine RPMN/A
Ignition Timingfixed
Breaker Point Setting0.018 in. (0.45mm) located under flywheel
Flywheel/Coil Air GapN/A
Spark Plug TypeChampion J8J
Spark Plug Gap0.025 in. (0.63mm)
Crankshaft Main BearingsBall
Fuel Tank CapacityN/A
Fuel Oil Ratio20:1
Recommended Fuel OctaneRegular
Mix Oil SpecificationMcCulloch two-cycle chain saw mix
Chain Pitch.404 in.
Chain TypeMcCulloch
Bar Mount PatternN/A
Shortest Guide Bar Supplied12 in. (30cm)
Longest Guide Bar Supplied24 in. (61cm)
Colour SchemeMcCulloch Yellow enamel
Paint CodesN/A
Illustrated Parts ListYES
Service ManualYES
McCulloch Mac 1-41 Chainsaw Specs


  • McCulloch Mac 1-41 chainsaw was manufactured in Los Angeles, California, U.S.A. by McCulloch Motors Corp.
  • It was introduced in March 1960 and discontinued in February 1961.
  • The chainsaw had a powerful 4.9 cubic inch (80cc) engine with a single cylinder and aluminum construction with a cast iron sleeve.
  • The reed valve intake system and third port induction allowed for efficient fuel consumption and high performance.
  • The chainsaw weighed 19.5 pounds and was designed for one-man operation with a rigid handlebar system and a centrifugal clutch.
  • It used a Tillotson HL series carburetor and a manual oil pump.
  • The shortest guide bar supplied was 12 inches (30cm) and the longest was 24 inches (61cm).
  • The chainsaw was painted in the classic McCulloch Yellow enamel color scheme.


The McCulloch Mac 1-41 chainsaw was a powerful and reliable tool that played an important role in the history of chainsaw manufacturing. Despite being produced for a short period of time, it left a lasting impression on the industry and its users. Its legacy lives on in the development of newer and more advanced models that continue to serve the needs of professionals and hobbyists alike.

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