Push Button Start Switch for for Barnes Pumps
Dimmer Switch for Thieman Liftgate Pump 4400421 Manual in Ad
Mechanical Foot Switch for Early Hydraulic Power Units.

Part #: 57329
Aftermarket Part

Hydraulic Power Unit Switch
Voltage: 12V
Mechanical Foot Switch
Duty Cycle: Intermittent Mechanical Foot Switch
http://www.thiemantailgates.com/pdfs/pump-parts/PUMP-PARTS-2013-07.pdf

Owners manual for Thieman 4400421 Pump showing this is the correct dimmer switch for this application

Cross References:

Fenner/Fenner Stone/SPX: E220200
206033 Maxon
4420750 Thieman
40-1036 Tommy Gate
0091255 Waltco
Prestolite: 15-121, 15-122, 15-409, 15-45, 15-47, 15-50, 15-51, SW-2916, SW-4001, SW-4002, SW-4005, SW-4010, SW-4013, SW-4015, SW-4017, SW-4101, SWX-47
JS Barnes/Haldex: 2380024
Massey-Ferusson: 1816-79-M1, RO1327
Lester: 6600-1005
Replaces part #
Replaces part #
Fenner E220200
Fenner Stone SPX: E220200
206033 Maxon
4420750 Thieman
40-1036 Tommy Gate
0091255 Waltco
Prestolite: 15-121, 15-122, 15-409, 15-45, 15-47, 15-50, 15-51, SW-2916, SW-4001, SW-4002, SW-4005, SW-4010, SW-4013, SW-4015, SW-4017, SW-4101, SWX-47
JS Barnes/Haldex: 2380024
Massey-Ferusson: 1816-79-M1, RO1327
Leste: 6600-1005
Replaces part #

ACCURATE 7-1005
ACE 11855
AMERICAN MOTORS 3714247, 371427
ATLANTIC 1200-0903
BAKER 2Y-6417
CASE 04981-AB, VT3588
CATERPILLAR 2Y-6417, 7929
CHRYSLER PL2302
COLE HERSEE 9060
DELCO 1972119, D900
DEUTZ 4002715
FORD SWX47
NTERNATIONAL 131332-C2, 313331-C1, 313332-C1
JOHN DEERE AE13467, AE13467E, AE13547, AE13547E
JUST PARTS PR2-6011N
MASSEY FERGUSON 1816-79-M1, RO1327
NATL LIFTGATE PARTS APL2250
ONAN 308-0028, 308-028
PRESTOLITE
15-121

Prestolite 15-122

Prestolite 15-409

Prestolite 15-45

Prestolite 15-47, 1Prestolite 5-50

Prestolite 15-5

Prestolite, SW-2916, SW-4001, SW-4002, SW-4005, SW-4010, SW-4013, SW-4015, SW-4017, SW-4101, SWX-47

RCP 12743
TELEDYNE YC-10B
WHITE 57074
WILSON 60-06-1513
WISCONSIN YC10B