
TRACTOR - - MODEL NUMBER PD185H42ST (PD185H42STA)
SCHEMATIC
A
AMMETER
(OPTIONAL)
RED
B
G
L
IGNITION
SWITCH
BLACK
RED
BLACK
BATTERY
RED
FUSE
WHITE
RED
M
STARTER
BLACK
SOLENOID
S
M
A1
CLUTCH / BRAKE
(PEDAL UP)
WHITE
A2
SEAT SWITCH
(NOT OCCUPIED)
WHITE
BLACK
BLACK
HOUR
ATT'MENT CLUTCH
BLACK
(CLUTCH OFF)
BLACK
BLACK
GROUNDING
CONNECTOR
METER
BLUE
(OPTIONAL)
FUEL
LINE
BLACK
IGNITION
UNIT
SPARK
PLUG
GAP
(2 PLUGS ON
TWIN CYL. ENGINES)
IGNITION SWITCH
CIRCUITPOSITION
OFF
M+G+A1
B+A1RUN/LIGHT
B+A1RUN
B + S + A1START
“MAKE”
NONE
A2+L
NONE
NONE
28 VOLTS AC MIN. @ 3600 RPM
(CHARGING SYSTEM DISCONNECTED)
DIODE
14 VOLTS AC MIN. @ 3600 RPM (LIGHTS OFF)
FUEL SHUT-OFF SOLENOID
(IF SO EQUIPPED)
ORANGE
CHARGING SYSTEM OUTPUT
3 AMP DC @ 3600 RPM
RED
LIGHTING SYSTEM OUTPUT
5 AMP AC @ 3600 RPM
NOTE
YOUR TRACTOR IS
EQUIPPED WITH A SPECIAL
BROWN
ALTERNATOR SYSTEM.
THE LIGHTS ARE NOT
CONNECTED TO THE
BATTERY, BUT HAVE THEIR
OWN ELECTRICAL SOURCE.
BECAUSE OF THIS, THE
BRIGHTNESS OF THE LIGHTS
WILL CHANGE WITH ENGINE
SPEED. AT IDLE THE LIGHTS
WILL DIM. AS THE ENGINE IS
SPEEDED UP, THE LIGHTS
NON-REMOVABLE
CONNECTIONS
WILL BECOME THEIR BRIGHTEST.
REMOVABLE
CONNECTIONS
WIRING INSULATED CLIPS
NOTE: IF WIRING INSULATED CLIPS WERE REMOVED FOR
SERVICING OF UNIT, THEY SHOULD BE REPLACED TO
PROPERLY SECURE YOUR WIRING.
ALTERNATOR
BLACK
HEADLIGHTS
27

TRACTOR - - MODEL NUMBER PD185H42ST (PD185H42STA)
ELECTRICAL
42
24
41
33
30
27
43
27
25
27
27
26
40
16
16
D
.
C
.
A
M
P
E
R
E
S
8
27
52
29
45
28
2
1
90
28

TRACTOR - - MODEL NUMBER PD185H42ST (PD185H42STA)
ELECTRICAL
KEY PART
NO. NO. DESCRIPTION
1 163465 Battery
2 74760412 Bolt Hex Hd 1/4-20 unc x 3/4
8 176689 Box Battery
16 176138 Switch Interlock
21 183759 Harness Socket Light
22 4152J Bulb, Light # 1156
24 4799J Cable Battery
25 146147 Cable Battery 6 Ga. Red w/16 wire 44"
26 175158 Fuse
27 73510400 Nut Keps Hex 1/4-20 unc
28 4207J Cable Ground 12" Blk 6 Ga.
29 121305X Switch Plunger Nc Gray
30 175566 Switch Ign
33 140401 Key Ign Molded Generic
40 179720 Harness Ign
41 71110408 Bolt Fin Hex 1/4-20 unc x 1/2
42 131563 Cover Terminal Red
43 178861 Solenoid
45 121433X Ammeter Rectangular
52 141940 Protection Loop
90 180449 Cover Terminal
NOTE: All component dimensions given in U.S. inches
1 inch = 25.4 mm
29

TRACTOR - - MODEL NUMBER PD185H42ST (PD185H42STA)
CHASSIS
259
264
28
17
159
30
25
26
31
209
209
24
18
24
25
26
5
5
263
39
58
258
261
166
208
206
2
11
209
9
207
26
33
142
209
10
14
142
38
209
208
64
209
35
37
209
209
35
14
34
145
1
13
37
208
chassis_elite sv_pro_4
26
30

TRACTOR - - MODEL NUMBER PD185H42ST (PD185H42STA)
CHASSIS
KEY PART
NO. NO. DESCRIPTION
1 174619 Chassis
2 176554 Drawbar
5 155272 Bumper Hood/Dash
9 168337X012 Dash P/L
10 72140608 Bolt Carriage 3/8-16 x 1
11 174996 Panel Dash Lh
13 179174X010 Panel Dash Rh
14 17490608 Screw Thdrol 3/8-16 x 1/2
17 183393X428 Hood
18 126938X Bumper Hood
24 74780616 Bolt Fin Hex 3/8-16 unc x 1 Gr. 5
26 73800600 Nut Lock Hex W/Ins 3/8-16 unc
28 183828 Grille/Lens Asm
30 169470X428 Fender
31 136619 Bracket Fender
33 179716X428 Footrest LH
34 179717X428 Footrest RH
35 72110606 Bolt RDHD SHT SQNK 3/8-16 x 3/4
37 17490508 Screw Thdrol 6/16-18 x 1/2 TYT
38 175710 Bracket Asm Pivot Mower Rear
39 174714 Bracket Pivot
58 184322 Duct Air
64 154798 Dash Lower STLT
142 175702 Plate Reinforcement STLT
145 156524 Rod Pivot Chassis/Hood
159 169473X428 Cupholder
166 171875 Screw Hwhd Hi-Lo #13-16 x 3/4
206 170165 Bolt Shoulder 5/16-18
208 17670608 Screw Thdrol 3/8-16 x 1/2
209 17000612 Screw Hexwsh Thdr 3/8-16 x 3/4
258 183835X599 Lens Grille Pro RH
259 183834X599 Lens Grille Pro LH
261 183829Z428 Insert Grille
263 183832 Bezel Grille LH
264 183833 Bezel Grille RH
- - 5479J Plug BTN BlK
NOTE: All component dimensions given in U.S. inches
1 inch = 25.4 mm
31