Schematic Drawing - Hydraulic
FormNo.3384-478RevA
Groundsmaster
®
5900or5910RotaryMower
ModelNo.31598—SerialNo.314000001andUp
ModelNo.31598N—SerialNo.314000001andUp
ModelNo.31598TE—SerialNo.314000001andUp
ModelNo.31599—SerialNo.314000001andUp
ModelNo.31599N—SerialNo.314000001andUp
ModelNo.31599TE—SerialNo.314000001andUp
HydraulicSchematic
P 1
P 2
M1
M2
2000 P S I
600 P S I
CD
P 1
P 2
M1
M2
3000 P S I600 P S I
CD
M1
M2
CD
P
G
CH
CD
P 1
M1
M2
G1
G2
CH
P 2
FRONT
TRACTION
REAR
TRACTION
2750 / 1350 RP M
ENGINE
CD
CH
M1
M2
LS
CF
P
L
R
P T LS
FAN
P 1
P 2
M1
M2
3000 P S I600 P S I
CD
FRONT
DECK
CONTROL
VALVE
LEFT
DECK
CONTROL
VALVE
RIGHT
DECK
CONTROL
VALVE
50%
50%
40 P S I
OIL
COOLER
FILTER
Ta nk
11.96 : 1
11.96 : 1
1.80
1.80
14.5
14.5
1.61
1.61
1.61
1.03
S TEERING CYLINDERS
1.25 x 6 INCH S TR O KE
0.75 INCH ROD
LH WING DEC K
LIFT
2.25 x 11.38 INCH
S TROKE
1.12 INCH ROD
CENTER WING
DECK LIFT
2.25 x 4.38 INCH
S TROKE
1.12 INCH ROD
T
P 1
S TEERING
CONTROL
VALVE
6.1 CU IN
RH WING DECK
LIFT
2.25 x 11.38 INCH
S TROKE
1.12 INCH ROD
C1
C2
C3
C5
C6
370 P S I
LC1
S
LC2
RV1RV2
LC1
S
LC2
RV1RV2
LC1
S
LC2
RV1RV2
S
CV
P D
FD
S
P D1
RV
1200 P S I
P R
650
P S I
P D2
OR2
0.040
P V
RV P RV
CV
S
OR 0.03
0.100
0.100
S 4
S 9
S 1
S 2
S 3
S 5 S 6
S 7
S 8
RV
G
47 GP M
22 GP M
22 GP M
10.5 GP M
3
.5
G
P M
OR1
0.030
4WD CONTROL VALVE
DECK LIFT CONTROL VALVE
TRACTION CONTROL VALVE
FILTER MANIFOLD
S TEER/FAN CONTROL VALVE
OR 0.063
OR 0.063
50 P S I
P
T
CL
CD1
T2
2100
P S I
3300
P S I
G3
0.025
17 P S I
17 P S I
0.025
0.025
0.025
17 P S I
0.025
17 P S I
0.025
17 P S I
1350
P S I
CD2 CD3
G
G
G
G1
1.941.941.25
14 GP M
OR 0.020
P 2
FD
OR1
OR2
LC
G2
OR
0.050
OR
0.050
OR
0.050
FILL PORT
P 3
P 2
HS
CV
CD
P 1
FLUS H VALVE
TS
M5
M4
CW
4061
P S I
E
M3 MA
A
MB
B
L4L2
5080
P S I
4.15
C1
C2
17 P S I
290
P S I
180 P S I
CV 5 PS I
25% 75%
S TRAINER
Note: Flo ws s ho wn are c a lc u la te d at hig h
en g in e id le a n d 95% pu m p e ffic ie n cy
un le s s o th e rwis e n o te d
REV
FWD
G025687
Sc he ma tic —Hydra ulic
Mode ls 31598, 31598TE, 31599, 31599TE, 31598N, a nd 31599N
S he e t 1 of 1 | DWG 125-5264 | Re v C
©2014—TheToro®Company,8111LyndaleAvenueSouth,Bloomington,MN55420
FormNo.3384-478RevA