UDOR Pump - Kappa 40 and Honda 5.5 hp Engine Assembly

The Udor Kappa 40 coupled with a Honda 5.5 HP Gas Engine : Includes Udor gearbox and regulator.
Free Shipping and VIP Next Day Shipping - Final price (no handling, no hidden fees, no tax).
Pictured above is the Udor Kappa 40, Udor Gearbox, Udor Regulator and Honda Engine assembled.

Pictured above is the Udor Kappa 40, Udor Gearbox, Udor Regulator and Honda Engine assembled.

  • Kappa 40 w/ Honda 5.5 hp
    USD $1,336.97
    • Buy 2 for USD $1,271.46 each and save 5%
    • Buy 3 for USD $1,236.70 each and save 8%
    • Buy 7 for USD $1,177.87 each and save 12%
  • Udor Kappa 40 / Honda Assembly - VIP Next Day Delivery
    USD $1,479.49
  • Udor Kappa 40 / Honda Assembly w/ Electric Start
    USD $1,520.73
    • Buy 3 for USD $1,446.21 each and save 5%
    • Buy 6 for USD $1,370.18 each and save 10%
  • Mounting Plate for Pump-Motor Combos
    USD $104.63


A complete Udor Kappa 40 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 40 Diaphragm Pump, a Honda 5.5 HP GX160QH Gas Engine, the Udor 5027.75 Gearbox and a Udor 6010.24 Regulator Pressure Relief Valve.

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 down the Honda Engine, 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 Honda 5.5 HP gas engine and Udor Kappa 40 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.

Udor Kappa 40 Duplex Diaphragm Pump and Honda GX160QH 5.5 HP Gas Engine Combo (KAPPA40-5.5HP)

  • Max. Flow: 10.5 gpm
  • Max. Pressure: 560 psi
  • Max. Pump Speed: 550 rpm
  • Max. Fluid Temperature: 140° F
  • Port Sizes: 1" inlet, two 1/2" outlets, 3/4" bypass
  • Includes Udor 6010.24 Regulator (Pressure Relief Valve).
  • Includes Udor 5027.75 Gearbox for attachment to 5 - 6.5 HP gas engines with 3/4" shafts.
  • Weight: 72 lb
  • Honda GX160QH Gas Engine w/ recoil start


  • Same as above only it includes a Honda GX160QXE Gas Engine with electric ignition for easy starting.

Udor Kappa 40 Features

  • Two diaphragm, medium pressure, positive displacement pump.
  • Urethane diaphragms.
  • Internally manifolded with anodized aluminum construction.
  • Stainless steel check valves.
  • One piece stainless steel diaphragm bolts.
  • Anodized aluminum and stainless steel liquid handling parts.
  • Self-priming.
  • Can run dry.
  • Dimensions (L x W x H): 10.5" x 11" x 13"
  • Weight: 29 lb

Honda GX160QH Features

  • Net Power Output: 4.8 - 5.5 hp @ 3600 rpm (depending on environmental conditions)
  • Butterfly carburetor.
  • Recoil or electric starter
  • Fuel Tank Capacity: 3.3 US qts. (3.1 L)
  • Oil Tank Capacity: 0.61 US qts. (0.58 L)
  • Dimensions (L x W x H): 12.2" x 14.3" x 13.6"
  • Weight: 33 lb

Pay In Installments

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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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