McCulloch Technical Specifications and Features of Chainsaws

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TECHNICAL DATA SHEET

Engine

M3816

M4218

Cylinder volume, cm3

38

42

Stroke, mm

32

32

Idle speed, rpm

3,000

3,000

Recommended max.

 

 

speed, unloaded, rpm

13,000

13,000

Power, kW

1,6

1,7

Ignition system

 

 

Manufacturer

Walbro

 

Type of ignition system

CD

 

Spark plug

Champion

 

Electrode gap, mm

0,5

 

Fuel and lubrication system

 

Manufacturer

Walbro

 

Carburetor type

WT--662

 

Fuel capacity, litre

0,38

 

Oil pump capacity at

 

 

8500 rpm, ml/min

4 -- 8

 

Oil capacity, litre

0,2

 

Type of oil pump

Automatic

 

Weight

Without bar and chain, kg 4,8

BAR CHAIN

Length Pitch Max

Inches Inches Tip Radius

160,375 7T Oregon 91VJ

180,375 7T Oregon 91VJ

160,375 7T Oregon 91VG

180,375 7T Oregon 91VG

Noise levels

M3816

M4218

Equivalent (see note 1)

 

 

noise pressure level at

 

 

operator’s ear, measured

 

 

according to relevant

 

 

international standards,

 

 

dB(A)

97

97

Equivalent (see note 1)

 

 

noise power level,

 

 

measured according to

 

 

relevant international

 

 

standards, dB(A)

106

106

Vibration levels

 

 

(see note 2)

 

 

Front handle, m/s2

5,5

5,5

Rear handle, m/s2

8,5

8,5

Chain/bar

 

 

Standard bar length, in/cm

16/40

18/45

Recommended bar lengths,

 

 

in/cm

16/40

18/45

Usable cutting length, in/cm

15,5/39 17,5/44

Chain speed at maximum

 

 

power, m/sec

19

19

Pitch, inches

0,375

0,375

Thickness of drive link, mm

1,3

1,3

No. of teeth on drive sprocket

6

6

Note 1: Equivalent noise level is, according to ISO 22868, calculated as the time--weighted en- ergy total for noise levels under various working conditions with the following time distribution, 1/3 idle, 1/3 full load, 1/3 full speed.

Note 2: Equivalent vibration level is, according to ISO 22867, calculated as the time--weighted energy total for vibration levels under various working conditions with the following time dis- tribution: 1/3 idle, 1/3 full load, 1/3 full speed.

Inch/mm : dl

16/40 : 56

91VJ 0,375 0,050/1,3 5/32 / 4,0 85° 30° 0° 0,025/0,65 18/45 : 62

16/40 : 56

91VG 0,375 0,050/1,3 5/32 / 4,0 85° 30° 0° 0,025/0,65 18/45 : 62

ADDRESS: Husqvarna Outdoor Products Italia S.p.A.

Via Como 72

Valmadrera, Lecco

ITALY I--23868

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Contents Manuel D’INSTRUCTIONS Manual DE InstruccionesManual do Operador Identification What is WHAT? Identification of SymbolsSafety Rules Plan AheadOperate Your SAW Safely Operating the chain sawChain SAW Safety Equipment Maintain Your SAW in Good Working OrderHandle Fuel with Caution JustmentsReduce the Chance Kickback KickbackMaintain Control Kickback Safety Features AssemblyAttaching the Bumper Spike Tensioning Lever Install Position Attaching the BAR & Chain IfTo Replace Chain Brake Cutters Must Face Direction of RotationChain Tension Including units with chain already installed Operating Your UnitBefore Starting Engine BAR and Chain Lubrication Chain SAW in Upright PositionFueling Engine Chain BrakeImportant Points to Remember Starting a Warm EngineCutting Methods Chain BrakeImportant Points Tree Felling TechniquesFelling Large Trees Notch CUT and Felling the TreeCutting a Fallen Tree Important pointsBucking Using a LOG or Support Stand Bucking Without a SupportLimbing and Pruning Important Points LimbingService and Adjustments Cleaning the air filterBAR Maintenance AIR FilterCarburetor Adjustments Spark PlugChain Sharpening Idle Speed---TLoad Adjustment Engine Troubleshooting Table Cause RemedyDeclaration of Conformity Technical Data Sheet Statement of Warranty

M4218, M3816 specifications

The McCulloch M3816 and M4218 are powerful chainsaws designed for both homeowner and professional use, combining reliability and advanced technology to handle a variety of cutting tasks. These models reflect McCulloch’s commitment to creating tools that offer performance and ease of use for a diverse range of users.

The McCulloch M3816 features a 38cc engine that delivers robust power while maintaining a lightweight profile, making it manageable for extended use. With its 16-inch bar and chain, it provides an ideal balance of cutting capability and maneuverability. The M3816 includes an automatic oiling system that ensures proper lubrication of the chain and bar, enhancing cutting efficiency and prolonging the life of the tool. Its comfortable handle design minimizes vibration, reducing fatigue during long working sessions.

On the other hand, the McCulloch M4218 is equipped with a more powerful 42cc engine, ideal for users who require a heavier-duty tool. This model supports a longer 18-inch bar, making it suitable for larger logs and more extensive cutting tasks. The M4218 also benefits from the automatic oiling system, ensuring optimal performance and less maintenance time. Both chainsaws incorporate an efficient air filtration system that keeps the engine cleaner, improving performance and longevity.

One of the key technologies found in both models is the Easy Start system. This innovation allows for a smoother pull, reducing the effort required to start the chainsaw. Additionally, both the M3816 and M4218 are designed with a tool-free chain tensioning feature, making adjustments quick and convenient without the need for specialized tools.

Safety is paramount in chainsaw design, and both models come equipped with essential safety features such as a chain brake that stops the chain instantly if the saw kicks back, and a safety throttle lock that prevents accidental start-up.

In conclusion, the McCulloch M3816 and M4218 chainsaws blend powerful engines, versatile bar lengths, and smart engineering solutions into user-friendly tools. They are ideal for anyone from casual users to professionals looking for dependable performance in their cutting tasks. Whether for tree pruning, firewood preparation, or larger cutting jobs, these chainsaws offer an excellent combination of features and technologies to meet diverse needs.