Schematic Drawing - Hydraulic
FormNo.3384-471RevA
Groundsmaster
®
4700-DTractionUnit
ModelNo.30874—SerialNo.314000001andUp
ModelNo.30882—SerialNo.314000001andUp
ModelNo.30882A—SerialNo.314000001andUp
HydraulicSchematic
1. FLOWS SHOWN ARE CALCULATED AT HIGH IDLE AND
95% PUMP EFFICIENCY UNLESS OTHERWISE NOTED
2.00" BORE
4.20" STROKE
0.630" ROD
1.500" BORE
7.00" STROKE
0.630" ROD
1.500" BORE
4.00" STROKE
0.630" ROD
1.500" BORE
3.50" STROKE
0.630" ROD
1.500" BORE
7.00" STROKE
0.630" ROD
1.500" BORE
3.50" STROKE
0.630" ROD
2.00" BORE
9.00" STROKE
0.750" ROD
2.00" BORE
9.00" STROKE
0.750" ROD
1050 psi
1600 psi
6.2 GPM
11.4 GPM
3500
PSI
3500
PSI
1500
PSI
1500
PSI
1500
PSI
1500
PSI
P1
P2
T1
G1
PRV1
SV1
PRV2
SV2
LC1
LC4
LC3
M1
M2
M3
M4
M5
M6
M7
M8
RV11
T
RV09
RV10
PRV
S1
CV
FD
P2P1
ST
L
M1
M2
P T
R L
P CHGG1
C4 C3 C2 C6C5
LEFT WING RIGHT WING
TS
R1
S1
S2 S3
S4
S5
S6
S7 S8
S9
T2
FRONT
CENTER
FRONT
LEFT
FRONT
RIGHT
RIGHT
WING
LEFT
WING
REAR
RIGHT
REAR
LEFT
50/50 FLOW
DIVIDER
FAN CONTROL
MANIFOLD
JUNCTION
MANIFOLD
6.1
CIR
RV8
G2
P2
REAR
TRACTION
VALVE
4350 PSI
30.5 GPM
1.83 CID /
0.89 CID
PR
450 psi
RV
550 psi
.050
CV
T
P2
M8
CH2
OR1
250 psi
5000 psi
ENGINE IDLE
T4 - 2700 / 1200 RPM
EU - 2600 / 1200 RPM
2.32 CID /
1.13 CID
200 psi
.030
OR8
4 PSI
1.83 CID /
0.89 CID
6.2 GPM
11.4 GPM
1.16
CID
1.16
CID
1.16
CID
1.16
CID
1.16
CID
1.16
CID
1.16
CID
50
PSI
.080
.063
.063
.030.030 .055
3.1 GPM
3.1 GPM
50
PSI
E
G3
G4
G2
G1
G3
G6
G2
G5
0.56
CID
0.56
CID
1.03
CID
1.03
CID
2.75
CID
LC2
1
2
3
G025639
Sche m a tic—Hydraulic
Mode ls 30874, 30882, a nd 30882A
S he e t 1 of 1 | DWG 125-4594 | Re v B
©2014—TheToro®Company,8111LyndaleAvenueSouth,Bloomington,MN55420
FormNo.3384-471RevA