General Specification - New Holland WE170B Service Manual

General specification

Hydraulic system
The hydraulic system is supplied by 3 pumps, a variable displacement pump, an independent pump for swing and
a double gear pump for steering, brake, pilot hydraulic system and grab rotation. The engine and the pumps are
monitored and controlled by the "Engine Speed Control" selector located in cab.
Circuit pressure
Attachment (triple articulation)
Travel
Power boost
Swing
Pilot system
Pumps
Variable displacement pump
Model
Power
Engine speed
Maximum flow rate at 1800 RPM (heavy)
Rotation pump
Model
Service pressure
Engine speed
Auxiliary pump volume
Main pump volume
Maximum flow rate at 1800 RPM
(heavy)
Gear pump
Model
Pump P1 displacement
Pump P2 displacement
Max continuous pressure ( P1)
Max intermittent pressure ( P2)
Min rotation speed ( P1)
Max rotation speed ( P1)
INTRODUCTION
WE170B
340 bar (4930 psi)
370 bar (5365 psi)
370 bar (5365 psi)
390 bar (5655 psi)
45 bar (653 psi)
WE170B
A4VG40 DE4D T1/32R
380 - 400 bar (5510 - 5800 psi)
1800 RPM
8.6 cm³ (0.52 in³)
40 cm³ (2.44 in³)
76.8 - 81 l/min (20.3 - 21.4 US gpm)
48017211 02/05/2016
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WE190B
340 bar (4930 psi)
370 bar (5365 psi)
370 bar (5365 psi)
360 bar (5220 psi)
45 bar (653 psi)
WE170B - WE190B
A8V080 LA1H2/63R1
103 kW (140 Hp)
2000 RPM
2 x 155 l/min (40.9 US gpm)
WE190B
A4VG56 DE4D T1/32R
350 - 370 bar (5075 - 5365 psi)
2000 RPM
11.6 cm³ (0.71 in³)
56 cm³ (3.42 in³)
107.5 - 113 l/min (28.4 - 29.9 US
gpm)
WE170B - WE190B
WSP20.11,2-03S1-L
11.891 cm³/rev (0.73 in³/rev)
11.891 cm³/rev (0.73 in³/rev)
230 bar (3335 psi)
280 bar (4060 psi)
600 RPM
2300 RPM