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Stoelting U431


Twin Twist, Pressure Fed Soft Serve Ice Cream/Yogurt Freezer with Refrigerated Mix Storage Cabinet. Serve two different flavors individually or combine them for a twist. The electronic controls assure peak efficiency and uniform product consistency. The U431 adjustable dispensing rate meets the requirements for high volume dispensing.
  • Adjustable dispensing rate meets the requirements of high volume operations.
  • Refrigerated mix storage cabinet holds two 8-gallon mix containers for use with or without a bag connection system.
  • Mix pumps inject the exact amount of air into your mix, maintaining overrun to ensure maximum profitability.
  • Powerful IntelliTec2™ control communicates with the operator through a multiline graphics LCD display using full text instructions.
    • Provides additional operator information.
    • Enhanced service diagnostic capability.
  • Energy Conservation Mode (ECM) protects product from over-agitation during slow or non-draw periods.
  • Bottom sealing spigots eliminate waste and offer precise dispensing control.
  • Mix-low system to alert you of low mix conditions. Self-sharpening, nonmetallic auger flights for reliable service.
  • Made to Order item. These items require additional time for fulfillment. Made to Order items cannot be changed, cancelled, or returned and may be subject to a minimum order quantity. Contact your Stoelting sales representative for details.


Name Pressurized Twin Twist Floor Model
Item # U431-109I2
Description Soft Serve Freezer, Twin Twist
Cooling Water
Volts 208-240
Electrical Phase 3
Hz 60
Width 26.75
Height 67.5
Depth 39.5
Width (CM) 67.9
Height (CM) 171.5
Depth (CM) 100.3
Weight 760 lbs (344.7 kg)
Compressor Two 19,000 Btu/hr Cabinet 1,300 Btu/hr Compressor (R-134a)
Drive Motor Two 2 hp
Air Flow  
Plumbing Fittings Water cooled units require 1/2" N.P.T. water and drain fittings. Maximum water pressure of 130 psi. Minimum water flow rate of 3 GPM per barrel. Ideal EWT of 50°-70°F. The machine requires 6" (15.2 cm) air space on all sides for the cabinet refrigeration
Hopper Volume Two 8 gallon (30.28 liters)
Freezing Cylinder Volume Two 1.33 gallon (5.03 liters)
Output capacity per hour (gallon) 19 each side
Dimensions (W x H x D) 26 3/4" (67.9 cm) x 67 1/2" (171.5 cm) x 39 1/2" (100.3 cm)


Operating Manual