McCulloch Mini Mac 1 Specifications

McCulloch Mini Mac 1 Specifications

The introduction of the McCulloch MINI MAC 1 chainsaw was more than 50 years ago, and it remains an iconic tool today. Manufactured by McCulloch Motors Corp. in Los Angeles, California, this chainsaw quickly gained popularity among loggers, landscapers, and homeowners due to its compact size, lightweight construction, and easy-to-use design. These features made it a go-to choice for tasks such as cutting small branches, trimming trees, and other basic yard work.

Let’s delve deeper into the specifications and features of this classic chainsaw and explore the key details that made it a favorite among users.


Series or assembly no.600081, serial prefix 13
Year introducedJuly 1970
Year discontinuedDecember 1973
Engine displacement1.78 cu in. (29cc)
Cylinder bore1.375 in. (34.93 mm)
Piston stroke1.200 in. (30.48 mm)
Cylinder typeAluminum with chrome plated bore
Intake methodPiston ported
Manufacturer HPN/A
Weight6-1/2 lbs. (2.95 kg) powerhead only
Operator configurationOne Man operation, top handle saw
Handlebar systemRigid
Chain brakeNone
ClutchCentrifugal, engages @ 2,600 RPM
Drive typeDirect
ConstructionDie cast magnesium
Magneto typeMcCulloch flywheel magneto
CarburetorWalbro MDC
Major repair kitK1MDC
Minor repair kitD1MDC
Air filter systemFlocked wire screen
Starter typeMcCulloch automatic rewind
Oil pumpManual
Maximum engine RPMN/A
Ignition timing26 degrees before TDC
Breaker point setting0.018 in., located under flywheel
Flywheel/coil air gap0.012 in. (0.30 mm)
Spark plug typeAC CS45T
Spark plug gap0.025 in. (0.63 mm)
Crankshaft main bearingsCaged needle roller
Fuel tank capacity0.73 U.S. pint (0.35 liters)
Fuel oil ratio40:1 with McCulloch oil
Recommended fuel octaneRegular
Mix oil specificationMcCulloch chain saw mix oil
Chain pitch3/8 in. low profile type
Chain typeMcCulloch
Bar mount pattern08 link
Shortest guide bar12 in. (30.48 cm)
Longest guide bar16 in. (40.64 cm)
Color schemeMcCulloch Yellow enamel
McCulloch MINI MAC 1 chainsaw Specs


  • The McCulloch MINI MAC 1 chainsaw was manufactured by McCULLOCH MOTORS CORP. in Los Angeles, California, U.S.A.
  • Its series or assembly number is 600081 with a serial prefix of 13 and it was introduced in July 1970, but was discontinued in December 1973.
  • It has a 1.78 cu in. (29cc) engine displacement, one cylinder, and an aluminum cylinder with chrome plated bore.
  • The chainsaw has a rigid handlebar system and is designed for one man operation with a top handle saw configuration.
  • It has a manual oil pump, a Walbro MDC carburetor, and a McCulloch automatic rewind starter type.
  • The chainsaw weighs 6-1/2 lbs. (2.95 kg) without the guide bar and chain and has a 12 to 16-inch guide bar length.
  • The fuel tank capacity is .73 U.S. Pint and it requires a fuel-oil ratio of 40:1 with McCulloch oil.
  • The chainsaw’s chain pitch is 3/8 in. low profile type with early production being 1/4 in. and it uses McCulloch chain type.
  • It comes in McCulloch Yellow enamel color scheme.


The McCulloch MINI MAC 1 chainsaw holds a special place in the history of chainsaws and remains a beloved tool for many people to this day. Its introduction in July 1970 marked a significant advancement in chainsaw design, offering a lightweight and easy-to-use option for loggers, landscapers, and homeowners. Although it was discontinued in December 1973, its impact on the industry continues to be felt. Its compact size, aluminum and chrome plated bore cylinder, and piston ported intake method were just a few of the features that made it so popular.

Its legacy lives on as a testament to the ingenuity and innovation of the pioneers in the chainsaw industry.

Works On Any Device

Customer Help

Check email for validation link

No purchase necessary