Transmission
Powershift Gearbox -4 Speed
Section F
Section F
9808/3280
Issue 1
32 - 4
32 - 4
Gearbox
Column Switch
FL
Relay
FG
Relay
FD2
Relay
FE2
Relay
FF1
Diode Gate
FK
Relay
FD1
Relay
FE1
Relay
FF2
Gearbox Solenoid
function
Dump
Forward
Reverse
Interlock
Forward
Reverse
Mainshaft
Hi Lo
Hi Lo
Layshaft
1st GEAR
14 - 12
1 - 4
6 - 9
3 - 5, 1 - 2
REVERSE
7 - 10
3 - 5, 1 - 2
8 - 10, 7 - 6
8 - 10, 7 - 6
8 - 10, 7 - 6
8 - 10, 7 - 6
2nd GEAR
14 - 9
1 - 4
2 - 5, 1 - 4
4
8 - 10, 6 - 7
3 - 5, 1 - 2
REVERSE
7 - 10
3 - 5, 1 - 2
3rd GEAR
1 - 4
6 - 9
1 - 4
REVERSE
7 - 10
3 - 5, 1 - 2
4th GEAR
14 - 13
1 - 4
3 - 6
8 - 10, 6 - 7
1 - 4
REVERSE
7 - 10
3 - 5, 1 - 2
A404740
3R
4R
2R
1R
6
9
6
9
8
10
6
7
8
10
6
7
1
4
1
4
3
5
1
2
3
5
1
2
1
4
1
4
1
4
1
4
1 - 4
1 - 4
1 - 4
1 - 4
1
4
1
4
1
4
1
4
3
5
1
2
3
5
1
2
3
5
1
2
3
5
1
2
8
10
6
7
8
10
6
7
8
10
6
7
8
10
6
7
W
Z
W,Z
V
Z
V,Z
W
Y
W,Y
V
Y
V,Y
4
1
2
5
1
4
3
6
2
5
8
815
6
10
7
9
4
3
2
TRANS DUMP
RELA
Y
1
812
1
2
4
5
2
2
4
5
5
3
8
1
850
847
856
3
REVERSE
H/L RELA
Y
8
5
1
10
9
7
858
6
DRIVE RELA
Y
7
INTERLOCK
RELA
Y
9
REVERSE RELA
Y
POWER SHIFT
GEAR SELECTOR
3
Y
3
FOR
W
ARD RELA
Y
4
1
883
6
10
FOR
W
ARD
H/L RELA
Y
809
107
851
849
811
848
934
852
808
883
107
107
DW
FG
5
FL
TO NEUTRAL
START RELAY
FF1
FD2
FF2
Y
Z
C50
FE1
FD1
U
T
W
V
FE2
A404790
FOR / REV
SWITCH
F
N
R
FL
4
6
10
7
4
1
2
5
3
6
7
11
13
9
12
14
Y
Electrical Connections