WD300 Series Panel Systems

WD300 Series

The universally applicable WD300 Series panels are the ideal control solution for a wide variety of diesel engines without shutdown solenoid in the injection pump. The standard WD300 Series panel includes basic engine protection for low oil pressure and high coolant temperature. It also includes Murphy’s SV Series solenoid fuel shut-off valve, (see bulletin SV-99026B).

WD300LV Models

For engines that have the fuel shutoff solenoid built into the injection pump. This model is also applicable to battery ignition engines.

Panel Kits Include:

• Low lube oil pressure Swichgage instrument

• High coolant/temperature Swichgage instrument

• 117PH magnetic switch

• SV Series solenoid fuel shutoff valve

• PB128S emergency stop push button

  • Notes

    Low Lube Oil Pressure SWICHGAGE®:
    0-100 psi (0-689 kPa) [0-6.89 bar]
    1/8 NPT process connection

    High Coolant SWICHGAGE®:
    130-250°F (54-121°C)
    48 in. (1.2 m) capillary
    1/2 NPT process connection

    117PH Magnetic Switch

    SV Series Solenoid Fuel Shutoff Valve: 12 or 24 volt (specify)

  • Downloads

Service done right

FW Murphy Service Network

Palmer Johnson's six-location factory-authorized service center network features:

  • Factory-trained technicians
  • Field service
  • Onsite troubleshooting and diagnostics
  • Unit removal and installation

For FW Murphy service, call 1-800-341-4334.

Learn more

Madison, WI

Service Center

Service: (608) 834-5206

1835 Haynes Dr
Sun Prairie, WI 53590


Dallas, TX

Service Center

Service: (817) 505-2430

608 112th St
Arlington, TX 76011


Denver, CO

Service Dealer

Service: (720) 724-0033

5151 E 56th Ave
Commerce City, CO 80022


Kansas City, KS

Service Center

Service: (913) 202-6944

15360 South Mahaffie St
Olathe, KS 66062


Los Angeles, CA

Service Center

Service: (562) 356-1590

12020 Bloomfield Ave
Santa Fe Springs, CA 90670


Oklahoma City, OK


Sales: (800) 341-4334

Oklahoma City, OK 73128


Phoenix, AZ

Service Dealer

Service: (602) 253-0214

2401 S. 19th Street
Phoenix, AZ 85034


San Francisco, CA

Service Dealer

Service: (510) 342-2212

1930 W Winton Ave #14
Hayward, CA 94545


St. Louis, MO

Service Center

Service: (636) 203-9811

578 Rudder Rd
Fenton, MO 63026


Philadelphia, PA

Service Dealer

Service: (215) 822-8300

159 Discovery Dr
Colmar, PA 18915


Fort Myers, FL

Service Dealer

Service: (239) 693-7477

4821 Waycross Road
Fort Myers, FL


Vancouver, British Columbia

Service Center

Service: (604) 879-6731

6741 Cariboo Rd Unit 205
Burnaby, British Columbia V3N 4A3


Edmonton, Alberta

Service Center

Service: (780) 434-9578

3804 53rd Ave NW
Edmonton, Alberta T6B 3N7


Seattle, WA

Service Center

Service: (425) 251-3434

1710 136th Ave E Suite 200
Sumner, WA 98390


RECON Equipment Center, WI

Service Center

Service: (608) 834-5220

1828 Haynes Dr
Sun Prairie, WI 53590

Map of Palmer Johnson Power Systems locations