Zetor FORTERRA HSX Series, Operator'S Manual, Page: 20 / 222

Level of external and internal noise
Exposure to higher levels of noise for longer time may cause hearing problems or even
deafness. Protect your hearing with protective hearing devices, e.g. headphones, earplugs, etc.
The resulting noise levels when measuring the noise for the hearing of a person near the tractor according to
the Commission Delegated Regulation (EU) 2015/96, Annex III .
The resulting noise levels when measuring the noise for the hearing of a driver according to the
Commission Delegated Regulation (EU) 1322/2014, Annex XIII .
The level of vibrations on driver´s seat
ZETOR tractors are classified in the category A and the class I/II/III. The category A includes all tractors with
specified levels of vibration due to similar specifications of the construction.
The following table presents the results of the measurement on the test bench according to the Commission
Delegated Regulation (EU) No. 1322/2014, Annex XIV. The value a*wS is a modified value of the effective
acceleration balanced according to vibration movement.
The following table is valid for all type series of Zetor tractors.
(1) Values corresponding to the weight of the driver 50 kg.
(2) Values corresponding to the weight of the driver 120 kg.
Model
Forterra HSX
120
Forterra HSX
130
Forterra HSX
140
Travel speed 40 km 40 km 40 km
Tractor noise levels when
travelling dB(A)
82.5 81.8 83
Tractor noise levels when
standing dB(A)
79.6 79.4 79.4
Model
Forterra HSX
120
Forterra HSX
130
Forterra HSX
140
Travel speed 40 km 40 km 40 km
Noise levels - Closed windows
dB(A)
77.2 76.5 74.8
Seat brand Suspension
Class I/II/III
a*
wS
(1)
(m/s²)
a*
wS
(2)
(m/s²)
SEARS mechanical 1.24 1.06
SEARS pneumatic 1.13 1.03
SAFETY INSTRUCTIONS FOR USERS
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