Husqvarna 445 EPA II, 445e EPA II, 450e EPA II manual Technical Data, Technical data

Page 36

TECHNICAL DATA

Technical data

 

445

445e

450e

Engine

 

 

 

Cylinder displacement, cu.in/cm3

2,79/45,7

2,79/45,7

3,06/50,2

Cylinder bore, inch/mm

1,65/42

1,65/42

1,73/44

Stroke, inch/mm

1,30/33

1,30/33

1,30/33

Idle speed, rpm

2700

2700

2700

Power, kW/hp @ rpm

2,0/2,7 @ 9000

2,0/2,7 @ 9000

2,4/3,2 @ 9000

Ignition system

 

 

 

Manufacturer of ignition system

Walbro

Walbro

Walbro

Type of ignition system

MBU-16

MBU-16

MBU-16

Spark plug

NGK BPMR 7A/

NGK BPMR 7A/

NGK BPMR 7A/

Champion RCJ 7Y

Champion RCJ 7Y

Champion RCJ 7Y

 

Electrode gap, inch/mm

0,02/0,5

0,02/0,5

0,02/0,5

Fuel and lubrication system

 

 

 

Manufacturer of carburetor

Zama

Zama

Zama

Carburetor type

EL 37

EL 37

EL 37

Fuel tank capacity, US pint/litre

0,99/0,47

0,99/0,47

0,99/0,47

Oil pump capacity at 9,000 rpm, ml/min

13

13

13

Oil tank capacity, US pint/litre

0,55/0,26

0,55/0,26

0,55/0,26

Type of oil pump

Not adjustable

Not adjustable

Not adjustable

Weight

 

 

 

Chain saw without bar or chain, empty tanks, lb/kg

10,8/4,9

11,2/5,1

11,2/5,1

Chain/bar

 

 

 

Standard bar length, inch/cm

15”/38

15”/38

15”/38

Recommended bar lengths, inch/cm

13-20/33-50

13-20/33-50

13-20/33-50

Usable cutting length, inches/cm

12-19/31-49

12-19/31-49

12-19/31-49

Pitch, inch/mm

0,325/8,25

0,325/8,25

0,325/8,25

Thickness of drive links, inch/mm

0,050/1,3

0,050/1,3

0,050/1,3

 

0,058/1,5

0,058/1,5

0,058/1,5

Drive sprocket type/teeth

Spur/7

Spur/7

Spur/7

Chain speed at max. power, m/sec

20,0

20,0

20,0

36 – English

Image 36
Contents EPA II 445e EPA 450e EPA EnglishKEY to Symbols Symbols on the machineSymbols in the operator’s manual Contents Introduction Dear customerWhat is WHAT? What is what on the chain saw?General Safety Precautions Before using a new chain sawAlways use common sense Machine′s safety equipment Personal protective equipmentChain brake and front hand guard General Safety Precautions Throttle lockout Chain catcherRight hand guard Vibration damping systemStop switch Cutting equipmentMuffler General rulesSharpening your chain and adjusting depth gauge setting Cutting equipment designed to reduce kickbackGeneral advice on adjusting depth gauge setting Sharpening cutting teethAdjustment of depth gauge setting Tensioning the chain445 445e, 450eLubricating cutting equipment Chain oilFilling with chain oil Checking chain lubricationChain drive sprocket Needle bearing lubricationChecking wear on cutting equipment Assembly Fitting the bar and chain445 445e, 450eAssembly Fuel Handling FuelFuel safety FuelingTransport and storage Long-term storageStarting and Stopping Starting and stoppingCold engine Warm engineStopping Basic safety rules Working TechniquesBefore use General working instructionsGeneral rules Basic cutting technique GeneralTerms LimbingTree felling technique Safe distanceFelling direction Clearing the trunk and preparing your retreatFelling Directional cutsHow to avoid kickback What is kickback?Freeing a tree that has fallen badly Cutting the trunk into logs Maintenance Carburetor adjustmentGeneral Checking the inertia brake release Checking the brake triggerMuffler Starter Replacing the starter cordTensioning the recoil spring Replacing the return and drive springsAir filter Spark plugLubricating the bar tip sprocket Needle bearing lubricationAir Injection centrifugal cleaning Temperature -5C 23F or colderCooling system Winter useMaintenance schedule Daily maintenance Weekly maintenance Monthly maintenanceTechnical Data Technical dataBar and chain combinations Saw chain filing and file gaugesFederal Emission Control Warranty Statement Your Warranty Rights and ObligationsAmerican Standard Safety Precautions Safety precautions for chain saw usersKickback safety precautions Other safety precautions1150341-95 ´z+RB3¶55¨ ´z+RB3¶55¨

445 EPA II, 445e EPA II, 450e EPA II specifications

Husqvarna is a name synonymous with power and durability, especially when it comes to its line of chainsaws like the Husqvarna 445 EPA II, 445e EPA II, and 450e EPA II. These models combine advanced technology and ergonomic design to fulfill the needs of both professional users and homeowners.

The Husqvarna 445 EPA II chainsaw is designed for versatility and ease of use. It boasts a 45.7cc engine, providing a balance of power and weight ideal for various cutting tasks. The chainsaw features Husqvarna’s X-Torq engine technology, which reduces emissions and improves fuel efficiency. This means less downtime for refueling and a smaller ecological footprint, making it environmentally friendly. Additionally, the LowVib system minimizes vibration, which translates to reduced user fatigue over long periods of use.

The 445e EPA II takes similar principles and enhances them with increased efficiency and usability. This model includes the Air Injection system, which helps filter out larger dust and debris particles before reaching the air filter, ensuring consistent performance and a longer lifespan for the machine. Its lightweight design makes it easier to maneuver while the front handle is ergonomically shaped for a secure grip. The easy-start feature allows users to get going quickly with minimal effort.

Moving up the line, the Husqvarna 450e EPA II offers more power, featuring a slightly larger engine and an improved cutting capacity. This model is perfect for heavy-duty tasks, from felling trees to cutting firewood. Like its predecessors, it employs X-Torq engine technology and also includes the Quick Release Air Filter, making maintenance easier and faster. The robust design and advanced security features—such as the inertia-activated chain brake—ensure safe operation even under challenging conditions.

Overall, the Husqvarna 445 EPA II, 445e EPA II, and 450e EPA II chainsaws represent a commitment to safety, efficiency, and user comfort. The integration of modern technological features, coupled with Husqvarna's reputation for quality workmanship, makes these chainsaws ideal choices for anyone looking to tackle a range of outdoor cutting applications with confidence.