Ellis Williams EW-440

The Ellis Williams EW440 Model Triplex pump.

LeTourneau Ellis Williams Co.Since 1974, LeTourneau Ellis Williams Company has proven its commitment to advanced mud pump technology.
By emphasizing mud pump performance through innovation design and engineering, they have created reliable mud pumps with high-performance features offered by no other manufacturer:

Extraordinary weight-to-horsepower ratio
100% roller bearing design with fail safe internal lubrication
Durable, all-steel construction
Smallest footprint in the industry
Inherently balanced crankshaft design

Please click on the picture on the right for the EW440 Parts list

all products

107800
EW446 Seal/Gasket, Valve Cover (B155344-G826)
  • EW446
109200
EW446 Gasket, Liner original (A156183)
  • EW446
107700
Lock Nut 1.5" (A155375)
  • EW446
109400
EW446 Baffle Disc (B155244))
  • EW446
107400
EW446 Clamp, Piston / Push Rod (B155227)
  • EW446
109500
EW446 Gasket, Stuffing Box (B155243)
  • EW446
109300
EW446 Gasket, Diaphram Plate (B155253)
  • EW446
107300
EW446 Pushrod / Pony Rod Chromed (B155226)
  • EW446
110400
EW446 Bearing, wrist pin (EB103)
  • EW446
328700
Breather, Silica
  • SK/ST250T-LP
  • EW-446
107900
Gasket, Cylinder Head / Cover (B155345-G830)
  • SK/ST250T-LP
  • EW-446LP