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.
Specifications
| Specification | Value |
|---|---|
| Manufactured by | McCULLOCH MOTORS CORP. LOS ANGELES, CALIFORNIA, U.S.A. |
| Series or assembly no. | 600081, serial prefix 13 |
| Year introduced | July 1970 |
| Year discontinued | December 1973 |
| Engine displacement | 1.78 cu in. (29cc) |
| Cylinder bore | 1.375 in. (34.93 mm) |
| Piston stroke | 1.200 in. (30.48 mm) |
| Cylinder type | Aluminum with chrome plated bore |
| Intake method | Piston ported |
| Manufacturer HP | N/A |
| Weight | 6-1/2 lbs. (2.95 kg) powerhead only |
| Operator configuration | One Man operation, top handle saw |
| Handlebar system | Rigid |
| Chain brake | None |
| Clutch | Centrifugal, engages @ 2,600 RPM |
| Drive type | Direct |
| Construction | Die cast magnesium |
| Magneto type | McCulloch flywheel magneto |
| Carburetor | Walbro MDC |
| Major repair kit | K1MDC |
| Minor repair kit | D1MDC |
| Air filter system | Flocked wire screen |
| Starter type | McCulloch automatic rewind |
| Oil pump | Manual |
| Maximum engine RPM | N/A |
| Idle RPM | N/A |
| Ignition timing | 26 degrees before TDC |
| Breaker point setting | 0.018 in., located under flywheel |
| Flywheel/coil air gap | 0.012 in. (0.30 mm) |
| Spark plug type | AC CS45T |
| Spark plug gap | 0.025 in. (0.63 mm) |
| Crankshaft main bearings | Caged needle roller |
| Fuel tank capacity | 0.73 U.S. pint (0.35 liters) |
| Fuel oil ratio | 40:1 with McCulloch oil |
| Recommended fuel octane | Regular |
| Mix oil specification | McCulloch chain saw mix oil |
| Chain pitch | 3/8 in. low profile type |
| Chain type | McCulloch |
| Bar mount pattern | 08 link |
| Shortest guide bar | 12 in. (30.48 cm) |
| Longest guide bar | 16 in. (40.64 cm) |
| Color scheme | McCulloch Yellow enamel |
Features
- 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.
Conclusion
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.