Specifications - Stihl MS 440 Instruction Manual

Specifications

Engine
STIHL single cylinder two-stroke engine
Displacement: 70.7 cc
Bore: 50 mm
Stroke: 36 mm
Engine power to 4.0 kW (5.4 HP)
ISO 7293: at 9,500 rpm
1)
Idle speed: 2,500 rpm
1)
to ISO 11681 +/- 50 rpm
Ignition System
Electronic magneto ignition
Spark plug (resistor Bosch WSR 6 F,
type): NGK BPMR 7 A
Electrode gap: 0.5 mm
Fuel System
All position diaphragm carburetor with
integral fuel pump
Fuel tank capacity: 780 cc (0.78 l)
Chain Lubrication
Fully automatic, speed-controlled
reciprocating oil pump. Manual oil flow
control
Oil tank capacity: 275 cc (0.275 l)
MS 440
Weight
dry, without bar and chain
MS 440:
MS 440 with handle heating:
Cutting Attachment
Actual cutting length may be less than
the specified length
Rollomatic guide bars
Cutting lengths: 37, 40, 45, 50,
63, 75 cm
Pitch: 3/8"
Groove width: 1.6 mm
3/8" chains
Rapid Micro (36 RM) Type 3652
Rapid Super (36 RS) Type 3621
Rapid Super 3 (36 RS3) Type 3626
Pitch: 3/8" (9.32 mm)
Drive link gauge: 1.6 mm
Chain sprockets
7-tooth for 3/8" (rim sprocket)
Max. chain velocity to
ISO 11681:
7-tooth for 3/8" (spur sprocket)
Max. chain velocity to
ISO 11681:
As a rule, the mean chain velocity in
operation is about 20% lower than the
maximum chain velocity in accordance
with ISO 11681. Contact your STIHL
servicing dealer for advice on personal
protective equipment.
Noise and Vibration Data
For further details on compliance with
Vibration Directive 2002/44/EC see
6.3 kg
www.stihl.com/vib.
6.5 kg
Sound pressure level L
101 dB(A)
Sound power level L
116 dB(A)
Vibration measurement a
ISO 22867
Handle, left
Handle, right:
The K-factor in accordance with
Directive 2006/42/EC is 2.5 dB(A) for
the sound pressure level and sound
power level; the K-factor in accordance
with Directive 2006/42/EC is 2.0 m/s
for the vibration measurement.
REACH
REACH is an EC regulation and stands
for the Registration, Evaluation,
Authorisation and Restriction of
Chemical substances.
27.5 m/s
For information on compliance with the
REACH regulation (EC) No. 1907/2006
see www.stihl.com/reach.
27.5 m/s
English
to ISO 22868
peq
to ISO 22868
w
to
hv,eq
2
4.2 m/s
2
4.5 m/s
2
47