CRX750 Engine With Muffler 1 1/8″ Shaft


SKU: CRX750 Engine Only Category:


The CRX  750 engine provides the power you need for those tough commercial/industrial applications. Like all of the V-Twin engines from CRX, this model features full pressure lubrication, oil cooler and filter, heavy-duty muffler, advanced air filtration system and a 20A alternator.


Net Power 16.0 kW @ 3600 rpm

Net Torque 47 Nm @ 3000 rpm


Weight 109 lbs

Dimensions 20″ x 21″ x 18.5″

Warranty 3yr Commercial



  • Industrial tough mufflers and shields designed for improved sound quality and lower sound level
  • Commercial-style advanced element air filtration system helps maintain optimal power on dusty work sites
  • Cast iron cylinders decrease friction between mating parts as well as which helps keep the engine cool during extreme applications
  • Precision-machined, forged iron crankshaft designed for low vibration and toughness required for the most extreme duty cycles
  • Low oil auto-shutdown sensor prevents damage to the engine when oil volume is low
  • Oil filter and external oil cooler extends the life of the oil and prevents premature wear and tear on critical mechanical parts


21.5 Net Power (24 hp Gross) 750cc CRX Series Engine, Horizontal 1-1/8″ x 3.75″ Shaft, Electric Start, 20 Amp Alternator, Key Switch, Oil Cooler, Manual Throttle, Manual Choke, Fuel Pump

This unit has a 20amp recharge system to keep your battery charged and also allow for your unit to run a Hot Box without depleting the battery while out in the Field.


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  • Warranty Info:

    All FNA GROUP® motors are warranted by the FNA GROUP® to the original purchaser to be free from defects in materials and workmanship under normal use, for the periods specified below. This Limited Warranty is subject to the exclusions shown below, applies to the original components only and, is calculated from the date of the original purchase. Any parts replaced under this warranty will assume the remainder of the part’s original warranty period. These warranties pass through to the original purchaser only and are nontransferable. To find the nearest Authorized Service Center (ASC) contact the customer service group: for Cold Water service (877-362-4271) and for Hot Water service (844-375-7577).


    The customer is responsible to maintain and provide a copy of the purchase receipt to the Authorized Service Center at the time of repair to prove warranty status.


    This warranty does not cover the following items:

    1. Normal wear items, such as, seals, O-rings, packing’s, pistons, pump valve assemblies, strainers, belts, brushes, fuses, filters, fans or gaskets.
    2. Damage or malfunctions resulting from accidents, abuse, modifications, alterations, incorrect installation, improper servicing, failure to follow manufacturer’s maintenance instructions, or use of the equipment beyond its stated usage specifications as contained in the operator’s manual.
    3. Damage due to freezing, chemical deterioration, scale build up, rust, corrosion, water quality or thermal expansion.
    4. Damage to components from fluctuations in electrical or water supply.
    5. Normal maintenance service, including adjustments, fuel system cleaning, and clearing of obstructions.
    6. Travel expenses or shipping costs of machines or components for the purposes of repair or replacement of equipment.
    7. The Manufacturer’s warranty obligation is limited to repair or replacement of defective components as provided herein and the Manufacturer shall not be liable for any further loss, damages, or expenses – including damages from shipping, accident, abuse, acts of God, misuse, water quality or neglect. Neither is damage from repairs using non-OEM parts or alterations performed by non-factory authorized personnel nor Failure to install and operate equipment according to the guidelines put forth in the instruction manual shall void warranty.


    LIMITATION OF LIABILITY The FNA GROUP’s liability for special, incidental, or consequential damages is expressly disclaimed. In no event shall The FNA GROUP’s liability exceed the purchase price of the product in question. The FNA GROUP makes every effort to ensure that all illustrations and specifications are correct, however, these do not imply a warranty that the product is merchantable or fit for a particular purpose, or that the product will actually conform to the illustrations and specifications. Our obligation under this warranty is expressly limited at our option to the replacement or repair at a service facility or factory designated by us, of such part or parts as inspection shall disclose to have been defective. THE WARRANTY CONTAINED HEREIN IS IN LIEU OF ALL OTHER WARRANTIES, EXPRESS OR IMPLIED, INCLUDING ANY IMPLIED WARRANTY OF MERCANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE are expressly limited to the duration of this written warranty.


    The FNA GROUP® does not authorize any other party, to make any representation or promise on behalf of The FNA GROUP®, or to modify the terms, conditions, or limitationsin any way. It is the buyer’s responsibility to ensure that the installation and use of products conforms to local codes. While FNA attempts to assure that its products meet national codes; it cannot be responsible for how the customer chooses to use or install the product. Some states do not allow limitations on how long an implied warranty lasts or the exclusion or limitation of incidental or consequential damages, so the above limitation or exclusion may not apply.


    Corporate Office Manufacturing Operations

    7152 99th Ave Pleasant Prairie WI, 53158

    (847) 348-1500 FNA Group

    1265 Industrial Drive Decatur, AR 72722



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