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Diesel Generators Mobile (Winco RP25): 20kW Switchable Volts

…Switchable Voltage; Isuzu Powerplant

This is an ideal generator for: 1)construction and job-site support; 2)part of rental fleet; 3)other remote-power applications.

Visit our virtual showroom and see Winco's renowned work site and rental generators - RP25 diesel generators model, baby of the mobile line, produces 20 kilowatts of power in variety of voltage configurations, allows operator to choose whichever voltage is required for a given application. Volt configurations of diesel generators unit include 1-phase 120/240, 3-phase 120/208, 3-phase 120/240, and 3-phase 277/480 - desired type can be selected via 4-position switch. Has twin GFCI-protected duplex outlets (NEMA 5-20R), and two 50-amp twistlock outlets (NEMA L14-50R). Forty-five gallon fuel tank of 7-gauge steel keeps diesel generators model operating for full day at 100% load (50 hours or more achievable at 50% load). Comes with heavy-duty trailer kit, locking anti-theft fuel door. Diesel generators unit boasts reasonable 65.9 decibels at full load. Other features automatic safety shutdowns, brushless alternator, and 1800 rpm operation. Reliable Basler DGC-2020 digital controller. This
diesel generators model CARB approved, 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:  RP25-1
    Price:  $23,604.50

    Model Specs

    Manufacturer: Winco
    Model #: RP25
    Enclosure: Steel
    Engine Make: Isuzu
    Controller Make: Basler
    Price: $23,604.50

    Alternator Type: Brushless
    Rated Power (kW): 20
    Phase: 1/3
    Frequency: 60 Hz
    Voltage (1-Phase): 120/240
    Voltage (3-Phase): 120/208
    Voltage (3-Phase): 120/240
    Voltage (3-Phase): 277/480
    Rated Amps (1-Phase): 70
    Rated Amps (3-Phase 208V): 69
    Rated Amps (3-Phase 240V): 60
    Rated Amps (3-Phase 480V): 30
    Motor-Starting Capacity: 7.5 HP
    Mainline Circuit-Breaker Protection? Yes
    Mainline Circuit Breaker Size: NA

    AC Outlets
    Four (NEMA): 5-20R, 20-Amp 120-Volt, GFCI
    Two (NEMA): L14-50R, 50-Amp 120/240-Volt
    One: Full-Power Outlet
    Circuit-Breaker Protection (Outlets): Yes
    GFCI Protection: Yes

    Engine Type: Inline 4-Cylinder
    Intake Method: Direct Injection
    HP/L: NA/2.2L
    Number of Cylinders: 4
    Compression Ratio: 2.5:1
    Lubrication Method: Pressurized
    Valve Arrangement: Overhead (OHV)
    Engine Cooling: Liquid
    Engine rpm: 1800
    Governor System: Mechanical
    Ignition System: Electronic
    Starter Voltage (DC): 12
    Battery Required (Volts/Cold-Cranking Amps): 12/650
    Fuel Type: Diesel
    Fuel-Tank Capacity: 45 Gallons
    Run Time (1/2 Load): 50 Hours
    Run Time (Full Load): 25 Hours

    Controller Type: Digital
    Automatic Voltage Regulation: Built-In
    Event Log: Yes
    Auto Safety Shutdown: Yes
    Low-Voltage Protection: Yes
    High-Voltage Protection: Yes
    Low-Oil Protection: Yes
    Overspeed Protection: Yes
    High-Temperature Protection: Yes
    Starter-Overcrank Protection: Yes
    Low-Battery Protection: No
    Fuel-Leak Detection: No
    External-Fault Capability: Yes
    Remote-Start Capability: Yes
    Remote Safety Stop Capability: Yes

    Mobility Features
    Lifting Eye: Yes
    Trailer: Two-Wheel (Included)
    Trailer Capacity: 3500 lbs
    Brakes: Electric
    Suspension: Torsion Bar
    Running Lights: Yes
    License-Plate Illumination: Yes
    Hitch: 2 (Included)
    Hitch-Type: 3" Pintle; 2 5/16" Ball

    Weight: 2820 lbs
    Dimensions - With Trailer (Inches): 135L x 58W x 73H
    Decibels (@ 7 Meters/23 Feet): 65.9
    Compliance: 50-State US

    Additional Features
    Fuel/water separation system standard
    Large locking maintenance doors
    Locking fuel-access door
    Built-in fuel containment system with drains
    Standard stabilizing jacks to prevent movement during operation
    Soundproof enclosure of tough galvanneal steel
    Spacious locking storage compartment for tools or gear


    NEMA 5-20RNEMA 5-20RNEMA L14-50RNEMA L14-50RFull Power Outlet


  • 1-year manufacturer limited warranty on generator
  • 2-year manufacturer limited warranty on engine

  • Options


    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.

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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.