Baroness LM551, Owner'S Operating Manual, Page: 17 / 102

Operating height (Mowing
height)
LH52 0.197 - 0.787 in 5.0 - 20.0 mm
LH62
・
66 0.315 - 1.772 in 8.0 - 45.0 mm
LS62
・
66 0.394 - 1.811 in 10.0 - 46.0 mm
Drive
Traveling HST (Full time 4WD)
Mowing Hydraulic (Gear motor drive)
Speed
(HST)
Forward 9.94 mph 16.0 km/h
Reverse 4.97 mph 8.0 km/h
Speed (Mechanical) -
Efficiency
6.03 acres/hour (9.94 mph
x mowing width x 0.8)
24,384 m
2
/h (12.0 km/h x
mowing width x 0.8)
Maximum inclination for operation 15 degrees
Tire size
Front wheel 26.5 x 14.00-12
Rear wheel 20 x 12.00-10
Tire
pneumatic
pressure
Front wheel 17.40 psi
120 kPa (1.2 kgf/cm
2
)
Rear wheel 20.30 psi
140 kPa (1.4 kgf/cm
2
)
Battery 105D31L
The factory default maximum engine rpm is 3,100 rpm.
Sound pressure level
Sound pressure level
This machine was confirmed to have a
continuous A-weighted sound pressure level
of 84 dB by measuring identical machines in
accordance with the procedure specified in
ISO5395-1:2013.
Sound power level
Sound power level
This machine was confirmed to have a sound
power level of 103 dB by measuring identical
machines in accordance with the procedure
specified in directive 2000/14/EC.
Vibration level
Hand-arm vibration
This machine was confirmed not to exceed a
vibration level of 2.5 m/s
2
to hands and arms
by measuring identical machines in
accordance with the procedure specified in
ISO 5395-1:2013.
Whole body vibration
This machine was confirmed not to exceed a
vibration level of 0.5 m/s
2
to the whole body
by measuring identical machines in
accordance with the procedure specified in
ISO 5395-1:2013.
Product Overview
LM551
Product Overview
Page 3-3
Specifications