The McCulloch chainsaw, model 80, was first introduced in May 1958 and was manufactured by McCulloch Motors Corp. in Los Angeles, California, USA. This chainsaw was designed with a 4.9 cu. in. (80cc) engine that boasted a powerful one-cylinder aluminum design with a cast iron sleeve. Its reed valve and third port induction system made it a popular choice among chainsaw enthusiasts.
However, after two years in production, the McCulloch Model 80 ceased production in February 1960. Although it was only in production for a short period, it made an impact in the chainsaw industry and has become a collector’s item for chainsaw enthusiasts today.
Specifications
| Specification | Value |
|---|---|
| Manufacturer | McCULLOCH MOTORS CORP. LOS ANGELES, CALIFORNIA, U.S.A. |
| Series or assembly number | N/A |
| Year introduced | May 1958 |
| Year discontinued | February 1960 |
| Engine displacement | 4.9 cu. in. (80cc) |
| Cylinder bore | 2.125 in, (54mm) |
| Piston stroke | 1.375 in. (35mm) |
| Cylinder type | Aluminum with cast iron sleeve |
| Intake method | Reed valve and third port induction system |
| Manufacturer advertised HP | N/A |
| Weight | 18.5 lbs. (8.39 kg) powerhead only |
| Handlebar system | Rigid |
| Chain brake | None |
| Clutch | Centrifugal |
| Drive type | Direct |
| Construction | Die cast magnesium/aluminum alloy |
| Magneto type | McCulloch |
| Carburetor | Tillotson HL series |
| Major repair kit | N/A |
| Minor repair kit | DG-5HL |
| 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 | Fixed |
| Breaker point setting | 0.018 in. (0.45mm) |
| Flywheel/coil air gap | 0.010 in. (0.25 mm) |
| Spark plug type | Champion J8J |
| Spark plug gap | 0.025 in. (0.63mm) |
| Crankshaft main bearings | Ball |
| Fuel oil ratio | 16:1, 1/2 pint oil to 1 gallon fuel (118 ml per Liter) |
| Recommended fuel octane | Regular |
| Mix oil specification | McCulloch two-cycle chain saw mix |
| Chain pitch | .404 in. |
| Chain type | McCulloch |
| Shortest guide bar supplied | 12 in. (30cm) |
| Longest guide bar supplied | 24 in. (76cm) |
| Colour scheme | McCulloch Yellow enamel |
| Illustrated parts list | YES |
| Service manual | YES |
Features
- Manufactured by McCulloch Motors Corp. in Los Angeles, California, U.S.A.
- Introduced in May 1958 and discontinued in February 1960
- Reed valve and third port induction system intake method
- Operator configuration for one-man operation
- Rigid handlebar system with no chain brake
- Centrifugal clutch and direct drive type
- Die-cast magnesium/aluminum alloy construction
- McCulloch magneto type and Tillotson HL series carburetor
- McCulloch automatic rewind starter type and manual oil pump
- Shortest guide bar supplied is 12 in. (30cm) and the longest is 24 in. (76cm)
- McCulloch yellow enamel color scheme
Conclusion
The McCulloch Model 80 chainsaw was a groundbreaking piece of machinery when it was first introduced in 1958. It was designed with a powerful engine and innovative features that made it a popular choice among chainsaw enthusiasts. Although it was only in production for a short period, it has become a collector’s item for chainsaw enthusiasts today.
Despite its age, the McCulloch Model 80 still holds up as an impressive piece of machinery, with many features that were ahead of their time. It was a true testament to the innovative designs of its time and paved the way for future advancements in the chainsaw industry.
Overall, the McCulloch Model 80 chainsaw stands as a tribute to the ingenuity and hard work of the designers and engineers who created it. It remains a testament to the advancement of technology and the impact that it can have on the world.