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Swichgage

®

Kits for Engines

Description

The WD100 Series Swichgage kits provide engine monitoring that
shuts down farm, construction, or other engine powered
equipment, when dangerous pressures or temperatures occur.
The control center for each of these kits is the compact and
adjustable, Universal Mounting Panel. This panel holds two
Swichgage(s) and a Tattletale

®

magnetic switch, and shut down

device where appropriate.

Specifications

Murphy  Swichgage products are two-instruments-in-one: (

1

) an

accurate indicating gauge with (

2

) a built-in, adjustable, limit switch.

518PH Tattletale magnetic switch is designed to shut down

engines; operates as a circuit breaker to interupt the ignition circuit
to a distibutor or to close a solenoid fuel valve on diesels.

Temperature capillary tubes are 6 ft. (1.8 m) standard, but can

be ordered in any length. 

• Standard Swichgage ranges

*

Pressure: 0-100 psi (0-689 kPa) [0-6.89 bar]
Temperature: 100-250°F (37-121°C)

*

Other ranges are available on request.

WD100 Series Kits

Depending upon the kit selected, the following components are
supplied:

A

Universal Mounting Panel which consists of:

• 20P, oil pressure Swichgage instrument
• 20T, temperature Swichgage instrument with 6 ft. (1.8 m)

capillary,  or 20TH, temperature Swichgage instrument for 
WD175 kit.

• 518PH Tattletale magnetic switch

B

Bracket mounting bolts, washers and nuts.

C

CKV2336, fuel reverse flow/check valve.

D

PRV50, fuel pressure relief valve

E

SV-Series, fuel shut-off solenoid valve (1/4 NPT X 1/4 NPT)

Specify 12VDC or 24VDC.

Kit Combinations

These kits are available for virtually any engine application, any
engine type, or can be custom ordered to meet a specific use.

Kit WD100 includes:

A

, and 

B

Suitable for use on distributor ignition engines or on diesels
having a shutdown solenoid in the fuel pump.

Shipping Weight:

4.75 lbs (2.2 kg)

Shipping Dimensions: 

9-

3

/

4

in. x 9-

1

/

4

in. x 5-

3

/

4

in. (248 mm x 235 mm x 146 mm)

Kit WD150 includes:

A

B

C

, and 

E

Suitable for most liquid cooled diesel engines.

Shipping Weight:

6.15 lbs (2.8 kgs.)

Shipping Dimensions: 

9-

3

/

4

in. x 9-

1

/

4

in. x 5-

3

/

4

in. (248 mm x 235 mm x 146 mm)

Kit WD175 includes:

A

B

C

, and 

E

Suitable for air cooled diesel engines; 10 mm 1.5 adaptor and
special head temperature bulb. Includes SV-Series fuel valve.

Shipping Weight:

6.15 lbs (2.8 kgs.)

Shipping Dimensions: 

9-

3

/

4

in. x 9-

1

/

4

in. x 5-

3

/

4

in. (248 mm x 235 mm x 146 mm)

Kit WD185 includes:

A

B

C

D

, and 

E

Suitable for engines with gear driven transfer pump. (SV-Series is
not required on engines with built-in shutdown in the injector
pump.)

Shipping Weight:

6.20 lbs (2.8 kgs.)

Shipping Dimensions: 

9-

3

/

4

in. x 9-

1

/

4

in. x 5-

3

/

4

in. (248 mm x 235 mm x 146 mm)

A

E

B

D

C

—Especially designed for adaption to a wide variety of engines.

• 

Universal Mounting 

Panel

• 

Guard against low oil

pressure or high 
running temperature

• 

For farm or 

construction 
equipment

WD-8198B

Revised 03-06

Catalog Section 30

(00-02-0088)

WD100 Series

WD185 

Engine Kit

WD-8198B page 1 of 2

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