Williams

Part Number: WM775B
FOR FMVSS-124 APPLICATIONS

DESCRIPTION

  • When an air throttle is used on a vehicle with an Allison Transmission, the air modulator provides the transmission with a signal proportional to the throttle position in order to control the transmission shift pattern.

  • The WM775B transmission modulator may be used with the following models: AT-540, CLT-750, HT-750CRD, MT-640,CLBT-750, HT-740, HT-750DRD, MT-650 AND V-730.

  • WM775B is a non-repairable item. It must be replaced every 12 months or 50,000 miles, whichever occurs first and at each regular transmission oil change.

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MODULATOR SPECIFICATIONS
Port Accepts 1/4 I.D. Hose With S.A.E. 37(JIC) or 45 Fitting
Max. Supply Pressure 75 PSI
Operating Temp. -40 F To 250 F
Effective Diaphragm Area 0.24
Mounting Attitude Optional
Materials: Body Brass
Materials: Diaphragm Polyacrylate Elastomer
Materials: O-Ring Viton
Weight 4.4 OZ.

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LINKS
WM775B Pneumatic Modulator WM453 Treadle
. 		WM388 Throttle Control Cylinder

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