Accessories - Husqvarna 445 Rancher Operator's Manual

Pitch, inch/mm
Thickness of drive links, inch/mm
Type of drive sprocket/number of
teeth
Saw chain speed at 133% of maxi-
mum engine power speed, ft/s / m/s
Recommended cutting equipment
A specific chainsaw model has to be evaluated with the
cutting equipment to be recommended and fulfill the
requirements in ANSI B175.1-2012 (Internal Combustion
Engine-Powered Hand-Held Chainsaws - Safety and
Environmental Requirements) and Canadian Standards
CSA Z62.1-15 (Chainsaws) and CSA Z62.3-11 (R2016)
(Chainsaw kickback).
Chainsaw models Husqvarna 445, 450 Rancher met the
safety requirements in ANSI B175.1-2012 and Canadian
Standards Association CSA Z62.1-15 (Chainsaws) and
CSA Z62.3-11 (R2016) (Chainsaw kickback), when
equipped with the below listed saw chain and guide bar
combination(s).
Guide bar
Length, in Pitch, in
13 0.325
15
16
18
20
13 0.325
15
16
18
20
30
445
0.325/8.25
0.058/1.5, 0.050/1.3
Spur/7
75.5/23.1

Accessories

Gauge, in Max. nose ra-
dius
0.050 10T
0.058 10T
12T
450 Rancher
0.325/8.25
0.058/1.5, 0.050/1.3
Spur/7
75.5/23.1
Note:
Other chainsaw models may not meet the
kickback requirements when equipped with the listed
guide bar and saw chain combinations.
We recommend only to use the listed guide bar and saw
chain combinations.
Kickback and guide bar nose radius
For sprocket nose bars the nose radius is specified by
the number of teeth, such as 10T. For solid guide bars
the nose radius is specified by the dimension of the
nose radius. For a given guide bar length, you can use a
guide bar with smaller nose radius than given.
Saw chain
Type
Husqvarna
SP33G
Husqvarna
H30
Husqvarna
H25
Husqvarna
S35G
Low kickback Length, drive
links (no.)
Yes 56
64
66
72
*
78/80
Yes 56
64
66
72
*
78/80
1286 - 007 - 21.06.2021