6-62 S-100 • S-105 • S-120 • S-125
Part No. 1268494
March 2017
Section 6 • Schematics
Hydraulic Schematic, S-120 • S-125 Models
(from serial number 404 to serial number 430)
AA
BF
BB
BG
BM
BJ
BL
BK
BE
BP
BI
BC
BD
BH
BN
BA
BO
BQ
BR
TRL
TRR
UP
DWN
EXT
EXT
1-2
1-2
0-1
EXT
1-2
RET
0-1
RET
LS
TP
P
T
T1
AF
AG
AD
AB
AE
AC
P1 IN
P2 IN
P2A IN
P3A IN
P3 OUT
T1
P1 OUT
P2 OUT
T2
Ps
Fe
Fa
S
T1
X2
X1
Ma
Mb
A
B
T2
R
b
a
PSI
PSI
3
3
PSI
M
C
B
A
CHARGE FILTER
87
PSI
25
FILTERS
100
PSI
PRESS
HIGH
25 PSI
PSI
100
E
PSI
4250
290
PSI
PSI
4250
25
PSI
PUMP
AUX.
PRIMARY LIFT
TURNTABLE ROTATE
TANK
PRIMARY 1 EXT.
PRIMARY 2 EXT.
3 GPM
11 GPM / 5 GPM
18 GPM / 6 GPM
18 GPM / 5 GPM
2600 psi
0.1 GPM
1800psi
3000 psi
3000 psi
2500 psi
0.040 DIA
17 10
1.7 .3
E
E
A
B
G
G
F
G
H
6
3.0 GPM
FUNCTION MANIFOLD
DISTRIBUTION
MANIFOLD
T1
B
A
P2 OUT
CL
JU
T1
TEST
P1
CE
3 gpm
T
P
3 gpm
CO
CD
CA
CB
CC
CM
CI
CP
CF
CJ
CH
CG
PRL
PRR
PLD
PLU
LS
CN
CQ
CK
JD
D
D
C
J
D
D
PLATFORM MANIFOLD
S-125
0.030
0.030
0.1GPM
0.3 GP
M
PLA
TFORM ROT
A
T
E
0.63 GP
M
PLA
TFORM LEVE
L
500 psi
4.6 in.cu.
1.25 GPM / 0.75 GP
M
JIB
TEST
P1
T1
LS
PLU
3 gpm
P
GE
GI
PRL
PRR
PLD
T
3 gpm
GD
GB
GC
GA
GO
GF
GJ
GG
GH
GQ
D
D
C
J
PLATFORM LEVEL
PLATFORM ROTATE
0.47 GPM
0.3 GPM
500 psi
0.030
0.030
4.6 in.cu.
PLATFORM MANIFOLD
S-120
A
B
C
D
E
F
G
H
I
COUNTERBALANCE
VALVE
RATIO
PRESS
5000 PSI
5000 PSI
3000 PSI
3000 PSI
900 PSI
600 PSI
5:1
4.5:1
1.5:1
3:1
3:1
3:1
3000 PSI
4.5:1
3200 PSI
3:1
3:1
2200 PSI
ES
EA
EB
EO
EP
EZ
EQ
EV
ENN
EJJ
EK
ER
EW
EKK
EM
EII
EX
EY
P
LS
P1
EG
EH
ET
EOO
EPP
EE
ED
EC
EJ
EU
ELL
EMM
FLR
T1
T
FLB
FRB
FRR
FAE
FAR
RAE
RAR
RLR
RLB
RRB
RRR
BRAKE
2 SPD
TANK
BRAKE
2 SPD
TEST
LA
LB
RA
RB
FRB
FRA
FLB
FLA
A
B
B
A
DO
DA
DE
DD
DF
DL
DC
DB
DG
DH
DI
DK
DJ
DM
DN
JD
JA
JB
JC
JF
JE
B
A
LS
P1
TP
EQQ
DP
I
D
I
D
LEFT
REAR
RIGHT
REAR
4 WHEEL DRIVE
MANIFOLD
LEFT
RIGHT
FRONT
FRONT
FOUR WHEEL STEER MANIFOLD
FRONT AXLE EXTENSION
REAR AXLE EXTENSION
FRONT LEFT
STEERING
FRONT RIGHT
STEERING
REAR RIGHT
STEERING
REAR LEFT
STEERING
1.40
A
OPTION
AUXILIARY
3000 psi
50%
50%
50%
50%
50%
0.030
250 PSI
50%
B
0.1GPM
0.1GPM
GPM
2.00
GPM
2.00
GPM
1.40
GPM
GPM
1.40
GPM
2.00
GPM
1.40
2.00
GPM
DRIVE
1800 psi
2.0 GP
M
2.0 GP
M
2.7 GPM
J
1.5:1
2000 PSI
HYDRAULIC SWIVEL
Note: 'alpha' callouts refer
to components shown in the
manifold illustrations.
Refer to the Repair Section.
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