TECHNICAL DATA SHEET

Engine

Mac 838

Cylinder volume, cm3

38

Stroke, mm

32

Idle speed, rpm

3000

Recommended max.

 

speed, unloaded, rpm

12000

Power, kW

1,5

Ignition system

 

Manufacturer

Walbro

Type of ignition system

Inductive

Spark plug

Champion

Electrode gap, mm

0,5

Fuel and lubrication system

 

Manufacturer

Zama

Carburetor type

W-26B

Fuel capacity, litre

0,34

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

5,5

 

BAR

CHAIN

Length

Pitch

Max

 

 

 

Inches

Inches

Tip Radius

 

14

0,375

7T

Oregon 91VJ

 

14

0,375

7T

Oregon 91VG

91VJ 0,375 0,050/1,3 5/32 / 4,0

91VG 0,375 0,050/1,3 5/32 / 4,0

Noise levels

Mac 838

Equivalent (see note 1) noise

 

pressure level at operator’s ear,

 

measured according to relevant

 

international standards, dB(A)

99,7

Equivalent (see note 1) noise

 

power level, measured

 

according to relevant

 

international standards, dB(A)

108,7

Vibration levels

 

(see note 2)

 

Front handle, m/s2

5,4

Rear handle, m/s2

5,4

Chain/bar

 

Standard bar length, in/cm

14/35

Recommended bar lengths, in/cm

14/35

Usable cutting length, in/cm

13,5/34

Chain speed at maximum

 

power, m/sec

20

Pitch, inches

0,375

Thickness of drive link, mm

1,3

No. of teeth on drive sprocket

6

Note 1: Equivalent noise level is, according to ISO 22868, calculated as the time--weighted energy total for noise levels under various working conditions with the following time dis- tribution, 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.

in/cm :dl

80° 30° 0° 0,025/0,65 14/35:52

80° 30° 0° 0,025/0,65 14/35:52

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McCulloch MAC 838 instruction manual Technical Data Sheet

MAC 838 specifications

The McCulloch MAC 838 is a robust lawn mower designed for homeowners seeking efficiency and reliability in maintaining their gardens and yards. Known for its powerful performance, this model incorporates several features and technologies that enhance its usability and effectiveness in various mowing conditions.

One of the standout features of the MAC 838 is its high-performance engine. It is equipped with a reliable 38cc 2-stroke engine that provides ample power for cutting through thick grass and tackling uneven terrain. This engine is designed for easy starting, ensuring that users spend less time troubleshooting and more time mowing.

The MAC 838 offers a generous cutting width of 16 inches, making it suitable for medium to large yards. This wider blade allows for quicker mowing sessions, reducing the overall time spent on yard work. Moreover, the cutting height is adjustable, with multiple settings that range from 1 to 2.5 inches. This flexibility allows users to customize their mowing experience based on grass type and desired lawn height.

Another impressive characteristic of the McCulloch MAC 838 is its ergonomic design. The handle is adjustable, providing comfort and ease of use for operators of different heights. Additionally, the mower is designed to be lightweight, which enhances maneuverability and reduces fatigue during extended use. The user-friendly controls are intuitively located, allowing for smooth operation.

The MAC 838 also features a robust cutting deck made from durable materials that ensure longevity. Its design not only supports efficient cutting but also facilitates easy cleaning and maintenance. After mowing, users can simply wash the deck with a hose to remove grass clippings, keeping the mower in optimal condition.

Safety is a priority with the McCulloch MAC 838. It includes safety features such as a blade brake system that stops the blade quickly when needed, preventing accidents. This added layer of security assures users that they can operate the mower confidently.

In summary, the McCulloch MAC 838 delivers a combination of power, efficiency, and user-friendly features. Its durable construction and innovative technologies make it an excellent choice for those who value a reliable mower that performs well in various conditions. With its adjustable settings and ergonomic design, the MAC 838 stands out as a practical solution for lawn care needs.