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Diesel Generator Set: (Winpower DR20I4-A) 20kW 1-Phase



…Liquid-Cooled Isuzu Motor




This standby generator is best suited for: 1)backup of small to medium-sized home-based or similar businesses (that utilize 1-phase electricity); 2)prime power in application up to approximate dimensions 1600 square feet (if 1-phase power desired); model can also be used for following: 3)backup of a large home (we like generator of this size for residence measuring 4000 to 5300 square feet; if homeowner seeking diesel backup).



This is open-skid version (optional steel housing available) of DR20I4 diesel generator set. Produces 20 kilowatts of 1-phase power in prime or standby diesel generator set application. Is true that diesel models often best for commercial applications, but they can certainly be used for home standby in the right circumstances. If considering diesel generator set for a residence, be sure there is plan to preserve supply of fresh fuel for generator operation. Major fuel amounts not consumed in standby mode must be removed from tank and disposed of before their expiration. This 20 kilowatt diesel generator set unit from Winpower boasts 1800 RPM operation with combo of Stamford brushless alternator, and reliable 2.2L inline-4 Isuzu diesel. In residential application, 20 kilowatts will power central AC, and (a decent chance exists) home's central electric heat. Appliances count on six plus, depending on their starting watts. Be aware that this not a whole-house generator in our recommended application. Model equipped with the technologically-advanced Deep Sea DSE7110 diesel generator set controller, among the best of its kind on the market. You will need transfer equipment to use this generator (see Switch Options tab below for 1-phase Asco Series 165/185 and Series 300 automatic switches). This diesel
generator set model is CARB certified, available to California residents.




  • Important: Please see the shipping tab for information regarding the liftgate shipping option and residential versus commercial deliveries.

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    Model:  DR20I4-A1
    Price:  $12,741.50
    Available Options:
    Fuel Tank Size:
    Housing?:
    Residential Shipment?:

    Model Specs



    Manufacturer: Winpower
    Model #: DR20I4-A
    Color: NA
    Enclosure: Steel (Optional)
    Engine Make: Isuzu
    Transfer Switch Included?: No
    Price: $12,741.50
    Price (Housing): $13,922.50


    Output
    Rated Power: 20 kW
    Phase: 1
    Frequency: 60 Hz
    Voltage: 120/240
    Rated Amps: 83
    Rotor Poles: 4
    Mainline Circuit Breaker: 90 Amps


    Motor/Performance
    Engine Type: Inline 4-Cylinder
    Intake Method: Injection
    Cylinder Block: Cast Iron
    HP/L: 52.4/2.2
    Number of Cylinders: 4
    Compression Ratio: 18.8:1
    Lubrication Method: Pressurized
    Valve Arrangement: Overhead
    Engine Cooling: Liquid
    Engine rpm: 1800
    Fan Type: Belt Driven
    Governor System: Mechanical
    Ignition System: Electronic
    Starter Voltage (DC): 12
    Battery Required (Volts/Cold-Cranking Amps):12/650
    Startup Delay (After Power Interruption): Programmable
    Engine Warm-Up Duration: NA
    Engine Cool-Down Period: NA
    Fuel Type: Diesel
    Fuel-Tank (1) Capacity/UL Listing: 32 Gallons/No
    Fuel-Tank (2) Capacity/UL Listing: 55 Gallons/Yes
    Fuel-Tank (3) Capacity/UL Listing: 110 Gallons/Yes
    Fuel-Tank (4) Capacity/UL Listing: 160 Gallons/Yes
    Run Time (32-Gallon Tank @ Full Load): 18 Hours
    Run Time (55-Gallon Tank @ Full Load): 31 Hours
    Run Time (110-Gallon Tank @ Full Load): 61 Hours
    Run Time (160-Gallon Tank @ Full Load): 89 Hours
    Fuel Consumption (@ 50% Load): .90 Gallons/Hour
    Fuel Consumption (@ 75% Load): 1.40 Gallons/Hour
    Fuel Consumption (@ Full Load): 1.80 Gallons/Hour


    Convenience Features
    Automatic Voltage Regulation: Yes
    Low-Voltage Shutdown: Yes
    High-Voltage Shutdown: Yes
    Low-Oil Shutdown: Yes
    Overspeed Shutdown: Yes
    High-Temperature Shutdown: Yes
    Starter-Overcrank Protection: Yes
    Low-Battery Protection: Yes
    Built-In Battery Charging Capability: Yes
    UL Listed: Yes
    External-Fault Capability: No
    Internal-Fault Protection: No
    Incorrect-Wiring Protection: No
    Mainline Circuit-Breaker Protection: Yes
    Safety Fusing: NA


    Measurables
    Weight: 1125-1680 lbs
    Dimensions (Inches): 57.5L x 33W x 33.37-69.78H
    Decibels (@ 7 Meters/23 Feet): NA
    Compliance: 50-State US


    Additional Features
    Standard DSE7110 digital controller
    Optional controller upgrades available
    Industrial diesel Isuzu powerplant
    Tamper-proof engine hours meter
    Controller has digital and analogue inputs, digital outputs
    Maintenance-free bearings in Stamford Newage generator
    Custom fuel tanks available for any application



    Warranty


  • 1-year or 1000-hour product warranty
  • 2-year or 1000-hour warranty on generator head

  • Shipping


    The T-REX Free Shipping Pledge:
    The manufacturers we work with are large concerns that ship multiple items each day. This enables them to attain the best shipping rates available. T-REX passes these savings on to our customers by providing free shipping to any commercial or residential address in the continental United States. This is the T-REX pledge. We will adhere to it even when a freight carrier adds one-time or unanticipated shipping fees. Try obtaining these terms from another Internet-based generator seller. You will not find a more customer-friendly policy than ours.

    About Lift Gates:
    Typical delivery trucks are designed to be unloaded at docks, or by forklifts. In other words, they are designed to deliver to commercial locations where such options are available. By contrast, a lift gate-equipped truck lowers heavy items from the truck trailer (which can be several feet high) to the ground, using a hydraulic mechanism similar to an elevator. If your delivery will go to an address not equipped with a loading dock, and you don't have access to a forklift, then selecting the lift-gate delivery option is a convenient alternative.

    A generator from T-REX can weigh hundreds of pounds. Without access to a loading dock or forklift, unloading one safely may require several able-bodied individuals. Delivery drivers are NOT required by their companies to help customers unload. Unless you are certain that a sufficient number of helpers will be available during the delivery, we urge you to specify the lift-gate shipping option before checking out. Charge for the lift-gate is $75.00, and is NOT included in the Free-Shipping Pledge offered by T-REX. We feel, however, that it is worth the investment.

    Residential Delivery:
    You need to inform us if your delivery will be going to a residential address. Freight companies need to know this because many residential areas can't be serviced by large semi trucks. The generator will instead be loaded onto a smaller truck tailored to home deliveries. A home which serves as a place of business (regardless of the presence of company name/signage), if located in a residential area, is still considered a residential address for shipping purposes. Please select the residential delivery option if applicable. T-REX agrees to pay all additional residential delivery costs, but to do so, we must be properly informed before shipping arrangements are made.



    To select your choice of residential or commercial delivery, please see the purchase options in the Add To Cart area.


    Switch Options

    30-Amp 1-Phase Heavy-Duty Commercial-Grade by Asco:
    Asco #300/30-3I Indoor Model
    Asco #300/30-3O Outdoor Model


    70-Amp 1-Phase Heavy-Duty Commercial-Grade by Asco:
    Asco #300/70-3I Indoor Model
    Asco #300/70-3O Outdoor Model


    100-Amp 1-Phase Residential and Light-Duty by Asco:
    Asco #185/100-3I Indoor Model
    Asco #185/100-3O Outdoor Model


    104-Amp 1-Phase Heavy-Duty Commercial-Grade by Asco:
    Asco #300/104-3I Indoor Model
    Asco #300/104-3O Outdoor Model


    150-Amp 1-Phase Heavy-Duty Commercial-Grade by Asco:
    Asco #300/150-3I Indoor Model
    Asco #300/150-3O Outdoor Model


    200-Amp 1-Phase Residential and Light-Duty by Asco:
    Asco #185/200-3I Indoor Model
    Asco #185/200-3O Outdoor Model


    200-Amp 1-Phase Heavy-Duty Commercial-Grade by Asco:
    Asco #300/200-3I Indoor Model
    Asco #300/200-3O Outdoor Model


    230-Amp 1-Phase Heavy-Duty Commercial-Grade by Asco:
    Asco #300/230-3I Indoor Model
    Asco #300/230-3O Outdoor Model


    260-Amp 1-Phase Heavy-Duty Commercial-Grade by Asco:
    Asco #300/260-3I Indoor Model
    Asco #300/260-3O Outdoor Model


    400-Amp 1-Phase Residential and Light-Duty by Asco:
    Asco #185/400-3I Indoor Model
    Asco #185/400-3O Outdoor Model


    400-Amp 1-Phase Heavy-Duty Commercial-Grade by Asco:
    Asco #300/400-3I Indoor Model
    Asco #300/400-3O Outdoor Model


    600-Amp 1-Phase Heavy-Duty Commercial-Grade by Asco:
    Asco #300/600-3I Indoor Model
    Asco #300/600-3O Outdoor Model



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    T-Rex Generators distributes products from many different standby and portable generator manufacturers at substantially discounted prices. These represented companies include: Asco automatic transfer switches, Briggs & Stratton generators, Winco generators, Generac Generators, GenTran transfer switches, Reliance Controls Transfer Switches, and Zenith automatic transfer switches. T-Rex also carries Honda powered generators which have the same time-tested Honda engines as the substantially more expensive Honda generator brand units.