Throttle Controls for Diesel Engines
Electronic Products
WM526
Electronic
Foot Pedal
Assembly
WM528
Electronic
Foot Pedal
Assembly
WM540
Electronic
Foot Pedal
Assembly
WM531
Remote
Sensor
Assembly
WM534
Remote
Sensor
Assembly
WM526
Remote
Sensor
Assembly
Pneumatic Products
WM388
WM642
Pneumatic
Cylinder
WM775B
Pneumatic
Transmission
Modulator
WM453M&N
Pneumatic
pedal
WM476F
Pneumatic
pedal
WM90DX
Pneumatic
Regulating
Valve
WM453B&C
Pneumatic
pedal
WM476B&C
Pneumatic
pedal
WM90
Pneumatic
Regulating
Valve
Hydraulic Products
WM512C
Hyddraulic
Cylinder
WM511C
Hydraulic
Pedal
WM515C
Hydraulic
Pedal
14100 SW 72nd Avenue Portland, Oregon 97224 USA Toll free in U S (800)547-1889 www.williamscontrols.com
Electronic Products
1-15
Electronic Foot Pedal Assembly
WM526, WM528, WM540
Remote Sensor Assembly
WM531, WM534, WM526
Pneumatic Products
16-34
Pneumatic Cylinder
WM388, WM642
Pneumatic Transmission Modulator
WM775B
Pneumatic Pedal
WM453M&N, WM476F
Pneumatic Regulating Valve
WM90DX
Pneumatic Pedal
WM453B&C, WM476B&C
Pneumatic Regulating Valve
WM90
Hydraulic Products
35-40
Hydraulic Cylinder
WM512C
Hydraulic Pedal
WM511C, WM515C
Ordering Information
Technical Services
(503)
(503)
(503)
(503)
(503) 684-8624
(503) 670-3330 Fax
684-8623
684-8625
684-8626
684-8610 Fax
Toll free in U.S. (800) 547-1889
Toll free in U.S. (800) 547-1889
14100 SW 72nd Avenue Portland, Oregon 97224 USA
Toll free in U S (800)547-1889 www.williamscontrols.com
Williams Controls reserves the right to modify the products included in this catalog without notice. All dimensions are in inches unless otherwise noted.
Application Information for Electronic Accelerator Pedal Sensor Kits
Freightliner 1E Class 8
Century Class
Business Class
School Bus Chassis
FCCC/Motor-home &
Step-van Chassis
American LaFrance
Sterling HN80
Sterling Cargo
Peterbilt
Western Star
Navistar
Volvo
Suspended Pedal
Floor Pedal
Engine
Caterpillar
Cummins
DDEC III
Treadle pin kit
Caterpillar
Cummins
DDC/Cummins
DDEC III
Treadle pin kit
Caterpillar
Cummins
DDC/Cummins
DDEC III
Treadle pin kit
Caterpillar
Cummins
Treadle pin kit
Caterpillar
Cummins
DDC/Cummins
Treadle pin kit
Cummins
DDEC III
Treadle pin kit
Caterpillar
DDC/Cummins
Treadle pin kit
Cummins
Treadle pin kit
Caterpillar
Cummins/DDEC
Treadle pin kit
Caterpillar
Cummins
Cummins/DDEC
DDEC
Treadle pin kit
8 volt Caterpillar Sensor
526 Cummins
540 Cummins
510/540 DDEC II Sensor Kit
526 DDEC II
Treadle pin kit
Caterpillar
Cummins
Treadle pin kit
Caterpillar
Cummins
DDEC III
Treadle pin kit
Sensor Kit Part Number
132484
132034
132035
130553
132486
131973
131973
130800
130553
132484
131973
131973
130800
130553
132484
131973
130553
132484
132034
131973
130553
132034
132035
130553
132486
131973
130553
131973
130553
132486
131973
130553
132484
132034
340000
132035
130553
132484
340001
131490
131167
131140
130553
132484
131856
130553
131284
132034
132035
130553
WM526
Electronic Accelerator
Pedal
Features and Specs
FMVSS-124 approved
■ Weight: 3 lb, 12 oz (1,70 kg)
■ Sensor outputs conform to engine manufacturer
specifications
■
Dimensional Data
1
Sensor & Connector Information
2
Cross Section & Parts
Item
Part No.
6
7
10
13
16
16
16
18
19
21
29
29
29
31
132252
130446
131386
131165
131426
131427
131428
132100
132099
132098
132160
132446
132354
130996
Caterpillar
Cummins/Mercedes
345415 345416 345417 350415 350416 350417 350825 350826 350827
Screw
2
2
2
2
2
2
2
2
2
Screw
2
2
2
2
2
2
2
2
2
Treadle Cover
1
1
1
1
1
1
1
1
1
Int Sens Harness
1
1
1
28.5°Baseplate
1
1
1
35° Baseplate
1
1
1
45° Baseplate
1
1
1
Treadle Pin
1
1
1
1
1
1
1
1
1
Roller Shaft
1
1
1
1
1
1
1
1
1
Roller
1
1
1
1
1
1
1
1
1
Cat Sensor, round
1
1
1
Cat Sensor
1
1
1
Int Sensor
1
1
1
Wire Clamp
2
2
2
2
2
2
2
2
2
Item
Part No.
Description
6
7
10
13
13
16
16
16
18
19
21
29
29
29
29
31
132252
130446
131386
131970
130063
131426
131427
131428
132100
132099
132098
130656
119495
131779
132445
130996
Screw
Screw
Treadle Cover
Harness
Wire Harness
28.5°Baseplate
35° Baseplate
45° Baseplate
Treadle Pin
Roller Shaft
Roller
DDEC Sensor
DDEC Sensor
5k Sensor Diesel
CNG Sensor
Wire Clamp
Description
DDEC II
345593 345594 345595
2
2
2
2
2
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
DDEC III & IV
Deere (Diesel)
359593 359594 359595
351422
2
2
2
2
2
2
2
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Deere (CNG)
351383
2
2
1
1
1
1
1
1
1
2
2
2
2
2
2
2
1
2
Serviceable items are identified above.
Service Kit Information
Service Kit
Service Kit Number
Item Numbers
Roller kit - All models
Treadle pin kit - All models
Sensor kit - Caterpillar 8 VDC
Sensor kit - Caterpillar 12 VDC
Sensor kit - Cummins/Mercedes North America
Sensor kit - early DDEC I
Sensor kit - DDEC II
Sensor kit - DDEC III & IV
Sensor kit - J Deere CNG
Sensor kit - J Deere Diesel
131139
130553
132484
131138
132034
130303
131140
132035
132739
132736
19, 21
2, 3, 4, 8, 18
6, 7, 29
6, 7, 29
6, 7, 13, 29
6, 29
6, 7, 13, 29, 31
6, 7, 13, 29, 31
6, 29
6, 7, 13, 29, 31
3
To Order
To order a WM526 model, select part number from the chart below.
Engine Application
Part Number
Pedal Angle
Connector Type
Vehicle Toeboard Angle
Caterpillar
345415
28.5o
Round - pre 1994
Deutsch 3 pin 12V
16o - 25o
Caterpillar
345416
35o
Round - pre 1994
Deutsch 3 pin 12V
6o - 15o
Caterpillar
345417
45o
Round - pre 1994
Deutsch 3 pin 12V
0 o - 5o
Caterpillar
350415
28.5o
Triangular
Deutsch DT 8V
16o - 25o
Caterpillar
350416
35o
Triangular
Deutsch DT 8V
6o - 15o
Caterpillar
350417
45o
Triangular
Deutsch DT 8V
0o - 5o
350825
28.5o
Packard
WeatherPack
16o - 25o
350826
35o
Packard
WeatherPack
6o - 15o
350827
45o
Packard
WeatherPack
0o - 5o
DDEC II
345593
28.5o
Packard
WeatherPack
16o - 25o
DDEC II
345594
35o
Packard
WeatherPack
6o - 15o
DDEC II
345595
45o
Packard
WeatherPack
0o - 5o
DDEC III & IV w/o IVS
359593
28.5o
Packard
WeatherPack
16o - 25o
DDEC III & IV w/o IVS
359594
35o
Packard
WeatherPack
6o - 15o
DDEC III & IV w/o IVS
359595
45o
Packard
WeatherPack
0o - 5o
John Deere Diesel
351422
35o
Packard
WeatherPack
6o - 15o
John Deere CNG
351383
45o
Flying leads
0o - 5 o
Cummins
Mercedes North America
Cummins
Mercedes North America
Cummins
Mercedes North America
4
WM528
Electronic Accelerator
Pedal
Features and Specs
For applications that require a very low profile
■ FMVSS-124 approved
■ Weight: 1.63 lb (0,74 kg)
■ Sensor outputs conform to engine manufacturer
specifications
■
Dimensional Data
Service Kit Information
To Order
Part Number
Sensor Service Kit
Item Numbers
To order a WM528 model, select part number from the chart below.
351363
351361
132381
132382
1, 2
1, 2
Part Number
351363
351364
Engine Application
DDEC III & IV
Cummins, Mercedes North America
5
WM540
Suspended Electronic
Accelerator Pedal
Features and Specs
FMVSS-124 approved
■ Weight: 3 lb (1,36 kg)
■ Sensor outputs conform to engine manufacturer
specifications
■
Dimensional Data
6
Sensor & Connector Information
7
Exploded View & Parts
Item
Part No.
Description
1
2
2
2
2
2
3
11
12
13
13
14
15
18
31
132252
119454
131779
132354
132445
132446
130567
131921
131510
131509
132359
131358
100110
118708
131512
Screw
Sensor
Diesel Sensor
Int Sensor
CNG Sensor
Cat Sensor
Retaining Ring
Pedal Pad
Spring
Pedal Arm
Pedal Arm
Clamp
Screw
Screw
Pedal Pin
Caterpillar
131508
1
Cummins/Mercedes
131507
1
DDEC III & IV
131549
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
2
1
1
2
2
1
1
2
2
1
1
2
2
1
Service Kit Information
Part Number
Sensor Service Kit
Item Numbers
131508 Caterpillar
131507 Cummins/Mercedes North America
131549 DDEC III & IV
131814 John Deere Diesel
132430 John Deere CNG
132484 8v
131973
130800
132737
132739
1, 2
1, 2
1, 2
1, 2
1, 2
To Order
To order a WM540 model, select part number from the chart below.
Part Number
Idle Validation Switch
Caterpillar
131508
No
Cummins/Mercedes North America
131507
Yes
DDEC III & IV w/o IVS
131549
No
John Deere Diesel
131814
Yes
John Deere CNG
132430
Yes
8
John Deere CNG
132430
1
1
Serviceable items are identified above.
Engine Application
John Deere Diesel
131814
1
1
1
1
1
1
2
2
1
WM531
Remote Sensor
Assembly
Features and Specs
Mechanical over electronic control
■ Weight: 1 lb (0,46 kg)
■ Sensor outputs conform to engine manufacturer
specifications
■
Dimensional Data
9
Sensor & Connector Information
Exploded View & Parts
10
Exploded View & Parts (continued)
Item
Part No.
Description
2
8
8
8
8
8
9
132144
131856
131040
132446
130656
119454
131308
Housing
Sensor
Sensor
Sensor
Sensor
Sensor
Screw
Cummins/Mercedes Navistar
131032
132330
1
1
1
1
Caterpillar
132052
1
Caterpillar
131520
1
DDEC II
131521
1
DDEC III & IV
131522
1
Caterpillar DDEC II, III, IV
132056
132114
1
1
1
1
2
2
2
2
2
1
2
2
2
Serviceable items are identified above.
Service Kit Information
Part Number
Sensor Service Kit
Item Numbers
131032 Cummins/Mercedes North America
132330 Navistar
131520 Caterpillar
131521 DDEC II
131522 DDEC III & IV
131973
131490
132484
131167
130800
8, 9
8, 9
8, 9
8, 9
8, 9
To Order
To order a WM531 model, select part number from the chart below.
Engine Application
Part Number
Wiring Harness (must be purchased separately)
Cummins w/132354 Sensor
Mercedes North America
131032
131165
International w/131040 Sensor
132330
131166
Caterpillar 54°, No Sensor
132052
None
Caterpillar 54° w/8v Sensor
131520
None
Caterpillar Adjustable, No Sensor
132056
None
DDEC II w/o IVS, w/130656 Sensor
131521
130063
DDEC III & IV w/o IVS, w/119454 Sensor
131522
130063
DDEC II, III, IV No Sensor
132144
None
11
WM534
Remote Throttle
Switch Module
Features and Specs
■
■
■
■
■
■
Six pole, double throw switch allows an operator to select
between two independent stations
Operating temperature: -40°F to 185°F (-40°C to 85°C)
Operating voltage: 12.6 VDC
Maximum load voltage/ current: 28 volts/1 amp
Maximum distance (unit to remote controller): 300 feet
using 18 gauge wire
Weight: 1 lb (0,45 kg)
Dimensional Data
To Order
To order model WM534, specify part number 131755.
Note: One connector kit needed for each WM534 installation. Connector kit must be purchased separately.
Engine Type
Connector Kit Number
Caterpillar with round connector
Caterpillar with triangular connector
Cummins & DDEC III with IVS
DDEC II & III without IVS
International with 6 pin connector
131771
131772
131773
131774
131775
12
WM526
Air/Electronic Remote
Sensor Assembly
Features and Specs
Allows pneumatic signal to control electronic engine
■ FMVSS-124 approved
■ Weight: 4 lb (1,82 kg)
■ Sensor outputs conform to engine manufacturer
specifications
■
Dimensional Data
13
Sensor & Connector Information
14
Cross Section & Parts
Item
Part No.
Description
6
7
13
13
29
29
29
29
29
30
31
132252
130446
130063
131165
130656
119454
131040
131856
132446
131302
130996
Screw
Screw
Wire Harness
Wire Harness
Sensor
Sensor
Sensor
Sensor
Sensor
Air Cylinder
Wire Clamp
DDEC II
345997
2
1
1
Caterpillar
351311
2
1
N/A*
DDEC III & IV
351313
2
1
1
DDEC/Cummins/Mercedes
351314
2
1
International
351379
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
* Sensor has integral harness. Serviceable iems are identified above.
Service Kit Information
Part Number
Service Kit
Item Numbers
345997 DDEC II
351311 Caterpillar 8v
351313 DDEC III & IV, w/o IVS
351314 Cummins, DDEC III & IV, w/IVS
Mercedes North America
351379 International
All models
Sensor kit 131140
Sensor kit 132484
Sensor kit 132035
Sensor kit 132034
6, 7, 13, 29, 31
6, 7, 29, 31
6, 7, 13, 29, 31
6, 7, 13, 29, 31
Sensor kit 340000
Air Cylinder kit 131618
6, 7, 13, 29, 31
Soft parts only
To Order
To order a WM526 model, select part number from the chart below.
Engine Application
Part Number
DDEC II
345997
Caterpillar 8v
351311
DDEC III & IV, w/o IVS
351313
Cummins, DDEC III & IV, w/IVS
Mercedes North America
351314
International
351379
15
WM388 & WM642 Series
Pneumatic Throttle
Control Cylinders
Features and Specs
■
■
■
■
■
Models for on and off-highway
Weight: WM388U1A1A: 1 lb, 5 oz (0,6 kg)
WM388105, U1C1D & U1C2B: 1 lb, 12 oz (0,8 kg)
WM388U1C3D: 2 lb, 12 oz (1,2 kg)
WM642F5: 2 lb, 8 oz (1,1 kg)
Port size: 1/4-18 NPTF (control)
1/8-27 NPTF (fast idle) (WM388U1C3D only)
Maximum supply pressure: 150 PSI (1034 kPa)
Operating temperature: -40°F to 200°F (-40°C to 93°C)
WM388U1C2B only: -20°F to 200°F (-29°C to 93°C)
Dimensional Data
WM388U1C1D, WM388U1C2B, WM388105
16
Dimensional Data (continued)
WM388U1C3D
WM388U1A1A & WM642F5
17
Cross Section & Parts
WM388U1C1D, WM388U1C2B, WM388105
WM388U1C3D
WM388U1A1A, WM642F5
18
Cross Section & Parts (continued)
Item
1
1
2
3
3
4
4
6
7
8
9
10
10
11
12
13
14
16
16
17
17
17
18
18
19
20
21
22
23
24
25
26
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
Part No.
118510
119669
118198
103214
117204
——
——
——
——
——
——
118506
117456
118508
——
——
——
——
——
117885
117877
118572
——
——
——
——
117883
117855
114836
114592
118114
105181
119050
117404
114833
114535
——
——
114722
101631
101700
114535
114683
——
——
——
——
Description
Cylinder Cover
Cylinder Cover
Lever
Boot
Boot
Body
Body
Pin
Pin
Needle Bearing
O-ring
Rod End
Rod End
Screw
Wear Ring
U-Cup
O-Ring
Piston
Piston
Spring
Spring
Spring
Shell
Shell
Washer
Needle Bearing
Spring
Rod End
Screw
Nut
Pin
Bracket
Bracket
Spring
Screw
Nut
Washer
Lever Assembly
Screw
Spring
Spring Cap
Nut
Screw
Retaining Ring
O-Ring
O-Ring
Filter Element
WM388U1C1D
1
WM388U1C2B
1
WM388105
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
4
1
1
1
2
4
1
1
1
2
4
1
1
1
2
4
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
WM388U1C3D
WM388U1A1A
1
WM642F5
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
4
1
1
1
1
1
2
4
1
1
1
1
1
2
4
1
1
4
1
1
1
1
1
2
1
2
1
1
2
2
5
1
3
1
1
1
?
1
2
1
1
Serviceable items are identified above.
19
Service Kit Information
Service Kit
Part Number
Item Numbers
Repair kit for WM388U1C1D & WM388U1C2B
Repair kit for WM388U1A1A, WM642F5
Repair kit for WM388U1C3D
Lever & body assembly kit for WM388U1C1D,
WM388U1C2B, WM388105, WM388U1C3D
117775
117612
130203
119153
3, 12, 13, 14, 18
3, 10, 12, 13, 14, 17, 18
3, 12, 13, 14, 18, 37, 38, 39, 40
2, 4, 7, 8, 9, 10, 19, 20, 25
To Order
To order a WM388 or WM642 model, select part number from the chart below.
Model
Part Number
WM388U1C1D
117888
WM388U1C2B
117886
WM388105
117985
WM388U1C3D
119667
WM388U1A1A
117402
WM642F5
119151
Pressure Range
FMVSS-124 Compliance
Special Features
0-25/35 PSI
(w/o external spring)*
0-55/60PSI
Yes, with customer supplied external spring*
Long lever w/rod end
No
Long lever w/rod end
0-25/35 PSI
(w/o external spring)*
0-25/35 PSI
(w/o external spring)*
0-25/35 PSI
(w/o external spring)
0-55/60 PSI
(w/spring supplied in kit)
Yes, with customer supplied external spring*
Long lever w/o rod end
Yes, with customer supplied external spring*
Integral fast idle cylinder
Yes, when used in WM642 kit
Yes
*Customer supplied external spring must be installed so it acts on centerline of cylinder rod.
Required external spring forces: 10 lbs at idle, 72 lbs at full throttle.
20
Kit for Detroit Diesel
V-71 & V-92TT
WM775B
Pneumatic
Transmission Modulator
Features and Specs
■
■
■
■
■
FMVSS-124 approved
Weight: 6 oz (0,18 kg)
Port size: Accepts 1/4” I D hose with 45° SAE (37°JIC) fitting
Maximum supply pressure: 75 PSI (517 kPa)
Operating temperature: -20°F to 250°F (-29°C to 121°C)
Dimensional Data
WM775B valves are low cost, non-serviceable items. No repair kit is available for these units.
To Order
To order model WM775B, specify part number 117830.
21
WM453M & N Series
Pneumatic
Throttle Pedal
Features and Specs
■
■
■
■
■
Dimensional Data
22
FMVSS-124 approved
Weight: 4 lb, 2 oz (1,9 kg)
Port size: 1/4-18 NPTF
Maximum supply pressure:150 PSI (1034 kPa)
Operating temperature: -40°F to 200°F (-40°C to 93°C)
Cross Section & Parts
Item
1
3
4
7
8
9
10
11
12
13
17
Part No.
102371
118775
103113
103704
116714
116697
102374
116721
106857
110370
118388
Description
Treadle Pin
Treadle Assembly
Roller
Spring
Breather
Control Valve
Treadle Pin
Mounting Plate
Retaining Ring
Bushing
Bushing
WM453M
1
1
1
1
1
1
1
1
4
2
2
WM453M2
1
1
1
1
1
1
1
1
4
2
2
WM453M3
1
1
1
1
1
1
1
1
4
2
2
WM453N
1
1
1
1
1
1
1
1
4
2
2
Serviceable items are identified above.
Service Kit Information
Kit
Service Kit Number
Repair kit
117582
Control Valve (WM90DX) 116697
Item Numbers
1, 4, 7, 10, 12, 13, 17
9
To Order
To order a WM453M/N model, select part number from the chart below.
Model
Part Number
Regulated Output Range
Maximum Output
Treadle Length
Port Orientation
WM453M
116731
117903
WM453M3
118117
WM453N
117270
70 PSI
(483 kPa)
70 PSI
(483 kPa)
70 PSI
(483 kPa)
95 PSI
(655 kPa)
11.35 in
(288 mm)
10.0 in
(254 mm)
11.35 in
(288 mm)
11.35 in
(288 mm)
Toward Heel
WM453M2
0-60/70 PSI
(0-414/483 kPa)
0-60/70 PSI
(0-414/483 kPa)
0-60/70 PSI
(0-414/483 kPa)
0-85/95 PSI
(0-586/655 kPa)
Toward Heel
Toward Toe
Toward Heel
23
WM476F Series
Pneumatic
Throttle Pedal
Features and Specs
■
■
■
■
■
Dimensional Data
24
FMVSS-124 approved
Weight: 4 lb, 13 oz (2,2 kg)
Port size: 1/4-18 NPTF
Maximum supply pressure:150 PSI (1034 kPa)
Operating temperature: -40°F to 200°F (-40°C to 93°C)
Cross Section & Parts
Item
1
3
4
7
8
9
10
12
13
14
15
16
Part No.
116697
102371
117216
103704
119049
118774
117259
106857
110370
118388
104636
119162
Description
Control Valve
Treadle Pin
Treadle Pin
Spring
Treadle Base
Treadle Assembly
Transfer Lever
Retaining Ring
Bushing
Bushing
Roller
Treadle Pin
WM476F4A
1
2
1
1
1
1
1
8
4
4
2
1
WM476F5A1
1
2
1
1
1
1
1
8
4
4
2
1
WM476F5A2
1
2
1
1
1
1
1
8
4
4
2
1
Serviceable items are identified above.
Service Kit Information
Kit
Service Kit Number
Item Numbers
Repair kit
Control valve (WM90DX)
117538
116697
3, 4, 7, 12, 13, 14, 15, 16
1
To Order
To order a WM476F model, select part number from the chart below.
Model
Part Number
Control Valve
Regulated Output Range
Port Orientation
WM476F4A
117360
117209
WM476F5A2
130634
0-60/70 PSI
(0-414/483 kPa)
0-60/70 PSI
(0-414/483 kPa)
0-85/95 PSI
(0-586/655 kPa)
Toward Top
WM476F5A1
WM90DX
116697
WM90DX
116697
WM90DX2
117269
Toward Bottom
Toward Side
25
WM90DX
Fail-Safe Pneumatic
Regulating Valve
Features and Specs
■
■
■
■
■
Dimensional Data
26
FMVSS-124 approved.
Weight: 1 lb, 15 oz (0,9 kg)
Port size: 1/4-18 NPTF
Maximum supply pressure: 150 PSI (1034 kPa)
Operating temperature: -40°F to 200°F (-40°C to 93°C)
Cross Section & Parts
WM90DX Barrier plate assembly
Part number 132846
Item
1
2
3
4
5
8
10
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
32
34
Part No.
——
——
——
101114
——
103039
——
——
——
——
——
——
——
——
——
——
——
——
——
——
——
——
——
——
——
——
Description
Thrust Ring
Balance Piston
U-Cup
Mounting Nut
Washer
Boot
Screw
Barrier Plate
Valve Cage
Support Plate
Poppet
Poppet Ring
Support Disc
Poppet
Spring
Cylinder Sleeve
Piston
Retaining Ring
Retaining Ring
O-Ring
O-Ring
O-Ring
U-Cup
Spring
Pushrod Assembly
Screen
WM90DX
1
1
1
1
2
1
6
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
WM90DX2
1
1
1
1
2
1
6
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Serviceable items are identified above.
Service Kit Information
Kit
Repair kit (includes Barrier plate assembly)
Spring kit for WM90DX
Spring kit for WM90DX2
Service Kit Number
117103
118044
118036
Item Numbers
Barrier plate assembly plus 3, 8, 10, 27, 28
5, 30
5, 30
To Order
To order a WM90DX model, select part number from the chart below.
Model
WM90DX
Part Number
116697
WMDX2
117269
Regulated Output Range
0-60/70 PSI
(0-414/483 kPa)
0-60/70 PSI
(0-414/483 kPa)
27
WM453B & C Series
Pneumatic
Throttle Pedal
Features and Specs
Weight: 4 lb, 2 oz (1,9 kg)
Port size: 1/4-18 NPTF
■ For off-highway applications only
■ Maximum supply pressure:150 PSI (1034 kPa)
■ Operating temperature: -40°F to 200°F (-40°C to 93°C)
❘■
■
Dimensional Data
28
Cross Section & Parts
Item
1
3
4
7
8
9
9
10
11
12
13
17
Part No.
102371
118775
103113
103704
111411
111303
111304
102374
116721
106857
110370
118388
Description
Treadle Pin
Treadle Assembly
Roller
Spring
WM111A Breather
Control Valve
Control Valve
Treadle Pin
Mounting Plate
Retaining Ring
Bushing
Bushing
WM453B
1
1
1
1
1
1
1
1
4
2
2
WM453C
1
1
1
1
1
1
1
1
4
2
2
Serviceable items are identified above.
Service Kit Information
Kit
Service Kit Number
Item Numbers
Repair kit
Control Valve (WM90DT for WM453B)
Control Valve (WM90DM for WM453C)
117103
111304
111303
Barrier plate assembly plus 3, 8, 10, 27, 28
9
9
To Order
To order a WM453B or C model, select part number from the chart below.
Model
Part Number
Regulated Output Range
Maximum Output
WM453B
113073
WM453C
117903
0-85/95 PSI
(0-586/655 kPa)
0-120-140 PSI
(0-827-966 kPa)
95 PSI
(655 kPa)
140 PSI
(966 kPa)
29
WM476B & C Series
Pneumatic
Throttle Pedal
Features and Specs
Weight: 4 lb, 13 oz (2,2 kg)
Port size: 1/4-18 NPTF
■ For off-highway applications only
■ Maximum supply pressure:150 PSI (1034 kPa)
■ Operating temperature: -40°F to 200°F (-40°C to 93°C)
■
■
Dimensional Data
30
Cross Section & Parts
Item
1
1
3
4
7
8
9
10
12
13
14
15
16
Part No.
111304
111301
102371
117216
103704
119049
118775
117259
106857
110370
118388
103113
119162
Description
Control Valve
Control Valve
Treadle Pin
Treadle Pin
Spring
Treadle Base
Treadle Assembly
Transfer Lever
Retaining Ring
Bushing
Bushing
Roller
Treadle Pin
WM476B
1
2
1
1
1
1
1
8
4
4
2
1
WM476C
1
2
1
1
1
1
1
8
4
4
2
1
Serviceable items are identified above.
Service Kit Information
Kit
Service Kit Number
Item Numbers
Repair kit
Control Valve (WM90DT for WM476B)
Control Valve (WM90DA for WM476C)
117103
111304
111301
Barrier plate assembly plus 3, 8, 10, 27, 28
9
9
To Order
To order a WM476A, B or C model, select part number from the chart below.
Model
Part Number
Regulated Output Range
Maximum Output
WM476B
113259
WM476C
113260
0-85/95 PSI
(0-586/655 kPa)
0-110/130 PSI
(0-758/896 kPa)
95 PSI
(655 kPa)
Equal to supply
31
WM90 Series
Three-Way
Regulating Valve
Features and Specs
Weight: 1 lb, 15 oz (0,9 kg)
Port size: 1/4-18 NPTF
■ For off-highway applications only
■ Maximum supply pressure: 150 PSI (1034 kPa)
■ Operating temperature: -40°F to 200°F (-40°C to 93°C)
■
■
Dimensional Data
32
Cross Section & Parts
Barrier plate assembly
Part number 132846
Item
1
2
3
4
5
8
10
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
30
30
31
32
34
Part No.
——
——
——
101114
——
103039
——
——
——
——
——
——
——
——
——
——
——
——
——
——
——
——
——
——
——
——
——
117812
——
Description
Thrust Ring
Balance Piston
U-Cup
Mounting Nut
Washer
Boot
Screw
Barrier Plate
Valve Cage
Support Plate
Poppet
Poppet Ring
Support Disc
Poppet
Spring
Cylinder Sleeve
Piston
Retaining Ring
Retaining Ring
O-Ring
O-Ring
O-Ring
U-Cup
Spring
Spring
Spring
Inlet Body
Pushrod Assembly
Screen
WM90A
1
1
1
1
2
1
6
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
WM90B
1
1
1
1
2
1
6
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
WM90BM
1
1
1
1
2
1
6
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
WM90D
1
1
1
1
2
1
6
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
WM90DA
1
1
1
1
2
1
6
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
WM90DB
1
1
1
1
2
1
6
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
WM90DM
1
1
1
1
2
1
6
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
WM90DT
1
1
1
1
2
1
6
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Serviceable items are identified above.
Service Kit Information
Kit
Repair kit (includes Barrier plate assembly)
Service Kit Number
117103
Item Numbers
Barrier plate assembly plus 3, 8, 10, 27, 28
Spring kit for WM90A, B, BM, DA, DM
Spring kit for WM90DB, DT
Spring kit for WM90D
118035
118036
118044
5, 30
5, 30
5, 30
33
To Order
To order a WM90 model, select part number from the chart below.
Model
Part Number
Output Range
Maximum Output
Stroke S
Height H
Balance Spring
Replacement Kit
WM90A
111276
Tank
111285
WM90BM
111292
WM90D
111300
WM90DA
111301
WM90DB
111302
WM90DM
111303
WM90DT
111304
0.38 in
(10 mm)
0.38 in
(10 mm)
0.34 in
(9 mm)
0.34 in
(9 mm)
0.38 in
(10 mm)
0.34 in
(9 mm)
0.34 in
(9 mm)
0.34 in
(9 mm)
1.38 in
(35 mm)
1.38 in
(35 mm)
1.38 in
(35 mm)
1.19 in
(30 mm)
1.38 in
(35 mm)
1.25 in
(32 mm)
1.19 in
(30 mm)
1.19 in
(30 mm)
118035
WM90B
0-120 PSI
(0-827 kPa)
0-110 PSI
(0-759 kPa)
0-115 PSI
(0-794 kPa)
0-55 PSI
(0-380 kPa)
0-110 PSI
(0-759 kPa)
0-75 PSI
(0-518 kPa)
0-120 PSI
(0-828 kPa)
0-85 PSI
(0-587 kPa)
34
110 PSI
(759 kPa)
130 PSI
(896 kPa)
65 PSI
(449 kPa)
Tank
80 PSI
(587 kPa)
140 PSI
(966 kPa)
95 PSI
(656 kPa)
118035
118035
118044
118035
118036
118035
118036
WM512C
Hydraulic
Throttle Cylinder
Features and Specs
■
■
■
■
■
Port size: SAE 6 (9/16-18 UNF) straight thread with o-ring
For off-highway applications only
Weight: 1 lb, 13 oz (0,8 kg)
Maximum operating pressure: 300 PSI (2068 kPa)
Operating temperature: -20°F to 200°F (-29°C to 93°C)
Dimensional Data
35
Cross Section & Parts
Item
2
3
6
7
8
9
10
11
12
13
14
15
16
17
19
20
21
22
23
24
25
Part No.
——
103214
——
——
——
——
——
——
——
——
——
——
——
117877
——
——
119435
117855
——
——
——
Description
Lever
Boot
Pin
Pin
Needle Bearing
O-ring
Rod End
Screw
Wear Ring
U-Cup
O-Ring
Body
Piston
Spring
Washer
Needle Bearing
Spring
Rod End
Screw
Nut
Pin
WM512C
1
1
1
1
2
4
1
1
1
1
1
1
1
1
4
1
1
1
1
1
2
Serviceable items are identified above.
Service Kit Information
Kit
Service Kit Number
Item Numbers
Repair kit
Lever body assembly kit
119280
119153
3, 12, 13, 14
2, 7, 8, 9, 10, 15, 19, 20, 25
To Order
To order model WM512C, specify part number 119436.
36
WM511 Series
Hydraulic
Proportional Pedal
Features and Specs
Port size: SAE 6 (9/16-18 UNF) straight thread with o-ring
For off-highway applications only
■ Weight: 4 lb, 3 oz (1,9 kg)
■ Maximum operating pressure: 300 PSI (2068 kPa)
■ Operating temperature: -20°F to 200°F (-29°C to 93°C)
■
■
Dimensional Data
37
Cross Section & Parts
WM514 Valve sub-assembly
Item
2
3
5
6
7
9
11
12
13
14
16
22
70
70
76
80
81
84
85
96
98
99
100
Part No.
101114
102371
——
103113
103704
118775
——
106857
110370
118388
——
——
119128
131635
——
——
——
——
——
102374
——
103039
116721
Description
Nut
Treadle Pin
Jam Nut
Roller
Spring
Treadle Assembly
Screw
Snap Ring
Bushing
Bushing
O-Ring
O-Ring
WM514C Valve sub-assembly
WM514H Valve sub-assembly
O-Ring
Backup Ring
O-Ring
U-Cup
Wear Ring
Treadle Pin
O-Ring
Boot
Mounting Plate
WM511C
1
2
1
1
1
1
1
4
2
2
1
1
1
1
1
1
1
1
1
1
1
1
WM511H
1
2
1
1
1
1
1
4
2
2
1
1
1
1
1
1
1
1
1
1
1
1
Serviceable items are identified above.
Service Kit Information
Kit
Service Kit Number
Item Numbers
Repair kit
WM514C Valve sub-assembly
WM514H Valve sub-assembly
119305
119128
119131
16, 22, 76, 80, 81, 84, 85, 90, 98
Includes all components below mounting plate
Includes all components below mounting plate
To Order
To order a WM511 model, select part number from the chart below.
Model
Part Number
Output Range
WM511C
119130
30-100 PSI
(276-690 kPa)
WM511H
131635
50-250 PSI
(345-1725 kPa)
38
WM515 Series
Hydraulic
Proportional Pedal
Features and Specs
Port size: SAE 6 (9/16-18 UNF) straight thread with o-ring
For off-highway applications only
■ Weight: 4 lb, 15 oz (2,3 kg)
■ Maximum operating pressure: 300 PSI (2068 kPa)
■ Operating temperature: -20°F to 200°F (-29°C to 93°C)
■
■
Dimensional Data
39
Cross Section & Parts
WM514 Valve sub-assembly
Item
1
3
4
6
7
8
9
10
11
12
13
14
16
22
70
70
76
80
81
84
85
96
98
99
Part No.
101114
102371
117216
104636
103704
119049
118774
117259
——
106857
110370
118388
——
——
119128
119131
——
——
——
——
——
——
——
103090
Description
Jam Nut
Pin
Pin
Roller
Spring
Treadle Base
Treadle Assembly
Transfer Lever
Screw
Snap Ring
Bushing
Bushing
O-Ring
O-Ring
WM514C Valve Sub-assembly
WM514H Valve Sub-assembly
O-Ring
Backup Ring
O-Ring
U-Cup
Wear Ring
Pin
O-Ring
Boot
WM515C
1
2
1
2
1
1
1
1
1
8
4
4
1
1
1
1
1
1
1
1
1
1
1
WM515H
1
2
1
2
1
1
1
1
1
8
4
4
1
1
1
1
1
1
1
1
1
1
1
Serviceable items are identified above.
Service Kit Information
Kit
Service Kit Number
Item Numbers
Repair kit
WM514C Valve sub-assembly for WM515C
WM514H Valve sub-assembly for WM515H
119305
119128
119131
16, 22, 76, 80, 81, 84, 85, 90, 98
Includes all components below mounting plate
Includes all components below mounting plate
To Order
To order a WM515 model, select part number from the chart below.
Model
Part Number
Output Range
WM515C
119129
30-100 PSI
(276-690 kPa)
WM515H
119132
50-250 PSI
(345-1725 kPa)
40
14100 SW 72nd Avenue
Portland, Oregon 97224 USA
(503) 684-8600
(503) 684-8610 Fax
Toll free in U.S. (800) 547-1889
www.williamscontrols.com
Document Number 119742 Rev. G 11/03
© 2003 by Williams Controls