Udor Kappa 55 and Honda Engine Assemblies

The Udor Kappa 55 coupled with a Honda 9 HP Gas Engine : Includes Udor gearbox and regulator. Free shipping on pumps in the continental United States.
Kappa 55-9.0HP

Kappa 55-9.0HP

  • KAPPA 55 Pump 9.0HP Motor Combo
    USD $2,097.51
    • Buy 3 for USD $1,994.73 each and save 5%
    • Buy 6 for USD $1,889.86 each and save 10%
  • Udor Kappa 55 Diaphragm and Valve Repair Kit
    USD $286.02
    • Buy 2 for USD $269.14 each and save 6%
    • Buy 6 for USD $257.70 each and save 10%
  • Mounting Plate for Pump-Motor Combos
    USD $104.63


A complete Udor Kappa 55 Pump / Motor / Gearbox / Regulator Assembly, expertly assembled by our mechanics and ready to drop into place on your spray rig. This package includes a Udor Kappa 55 Diaphragm Pump, a Udor Gearbox, a Udor Pressure Relief Valve, and a 9.0 HP Honda Gas Engine.

This Assembly is intended for our professional customers who prefer not to construct, or are unable to construct a pump motor combination on their own. When we ship this assembly we put oil in the Udor Pump but not in the Gearbox or Honda Engine, we do provide this oil and instructions in the box for your convenience. Just bolt it down, attach your hoses and you are ready to spray. We detach the regulator for shipping so that it is not damaged, it is only 2 bolts to reattach it to the pump.

This 9.0 HP Honda gas engine and Udor Kappa 55 Diaphragm Pump are recommended for agricultural and horticultural spraying applications. Capable of handling the pumping and spraying of a variety of fluids, including herbicides, pesticides, liquid fertilizers, abrasive materials, de-icing materials, and other hard-to-handle fluids.

The Optional Mounting Plate is an accessory for the pump-motor combos and includes bolts that allow you to attach your pump-motor combo to a trailer bed or spray rig.


  • Max. Flow: 15 gpm
  • Max. Pressure: 560 psi
  • Max. Pump Speed: 550 rpm
  • Max. Fluid Temperature: 140° F
  • Port Sizes: 1 1/4" inlet, two 1/2" outlets, 3/4" bypass
  • Includes Udor 6010.24 Regulator (Pressure Relief Valve).
  • Includes Udor 5033.A4 Gearbox for 1" shaft engines.
  • Includes Honda GX270QA 9.0 HP gas engine with recoil start

Pay In Installments

Add one or more qualifying products to your cart and your entire order becomes eligible for interest-free installment plans of up to 6 months. Learn More

VIP Shipping

On our most urgently requested products, Rittenhouse offers VIP shipping. The overnight shipping price is included and we will do our utmost to get your order to you within the next business day. Applicable to the lower 48 states only (excludes Alaska and Hawaii).

  • You must order before 3:00 PM Eastern time (12:00 PM Pacific time).
  • Overnight shipping is included in the product price.
  • A Rittenhouse VIP manager will be responsible for following your order from receipt to delivery.
  • We will let you know immediately if there is a problem with your order.

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