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Portable diesel generator

Portable Diesel Generators – Rugged, Reliable Power When You Need It Most

Our portable diesel generators are built for tough conditions, extended runtimes, and maximum fuel efficiency. Whether you need power for job sites, backup during outages, or off-grid applications, diesel generators deliver high performance and long-lasting durability — even under heavy loads.

Featuring trusted brands and advanced features like electric start, mobility kits, and quiet operation, these generators are ideal for contractors, homeowners, RV owners, and emergency prep.

Browse our Portable Diesel Generator collection to find dependable power for any situation.

    Cummins

    Cummins OTEC225 - 125-Amp PowerCommand Outdoor Automatic Transfer Switch (480V 3-Phase)

    $3,846.99
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    Cummins

    Cummins OTEC125 - 125-Amp PowerCommand Outdoor Automatic Transfer Switch (277/480V 3-Phase)

    $3,846.99
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    Cummins

    Cummins OTEC125 - 125-Amp PowerCommand Outdoor Automatic Transfer Switch (120/208V 3-Phase)

    $3,846.99
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    Cummins

    Cummins OTEC600 - 600-Amp PowerCommand Indoor Automatic Transfer Switch (277/480V 3-Phase)

    $9,566.99
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    Cummins

    Cummins OTEC600 - 600-Amp PowerCommand Indoor Automatic Transfer Switch (120/240V 3-Phase)

    $9,566.99
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    Cummins

    Cummins OTEC600 - 600-Amp PowerCommand Indoor Automatic Transfer Switch (120/208V 3-Phase)

    $9,566.99
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    Cummins

    Cummins OTEC600 - 600-Amp PowerCommand Indoor Automatic Transfer Switch (120/240V Single Phase)

    $9,775.99
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    Cummins

    Cummins OTEC400 - 400-Amp PowerCommand Indoor Automatic Transfer Switch (277/480V 3-Phase)

    $5,198.99
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    Cummins

    Cummins OTEC400 - 400-Amp PowerCommand Indoor Automatic Transfer Switch (120/240V 3-Phase)

    $5,198.99
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    Cummins

    Cummins OTEC400 - 400-Amp PowerCommand Indoor Automatic Transfer Switch (120/208V 3-Phase)

    $5,198.99
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    Cummins

    Cummins OTEC400 - 400-Amp PowerCommand Indoor Automatic Transfer Switch (120/240V Single Phase)

    $5,198.99
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    Cummins

    Cummins OTEC225 - 225-Amp PowerCommand Indoor Automatic Transfer Switch (277/480V 3-Phase)

    $4,158.99
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    Cummins

    Cummins OTEC225 - 225-Amp PowerCommand Indoor Automatic Transfer Switch (120/208V 3-Phase)

    $3,118.99
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    Cummins

    Cummins OTEC125 - 125-Amp PowerCommand Indoor Automatic Transfer Switch (277/480V 3-Phase)

    $3,118.99
    Shop Now

    Cummins

    Cummins OTEC125 - 125-Amp Power Command Indoor Automatic Transfer Switch (120/208V 3-Phase)

    $3,118.99
    Shop Now

    Cummins

    Cummins ATS OTEC Spec C 480-Volt 225-Amp 3 Phase PowerCommand 40-11 Control NEMA1 | A075F137

    $4,158.99
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    Cummins

    Cummins RS40 40kW QuietConnect™ Series Liquid-Cooled 3-Phase Home Standby Generator (LP/NG) – A051Y424

    $19,759.99
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    Cummins

    Cummins RS40 40kW QuietConnect™ Series Liquid-Cooled 3-Phase Home Standby Generator (LP/NG) – A051Y421

    $19,759.99
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    Cummins

    Cummins QuietConnect Home Liquid-Cooled Standby Generator (40kW LP, 40kW NG) – Model A051Y420

    $19,759.99
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    Cummins

    Cummins 40kW Quiet Connect Liquid-Cooled Generator (Single Phase) – RS40/A051Y419

    $19,759.99
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    Cummins

    Cummins 36kW Quiet Connect Series Generator RS36 (277/480V 3-Phase) – A051Y416

    $19,759.99
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    Cummins

    Cummins 36kW Quiet Connect Series Generator RS36 (120/240V 3-Phase) – A051Y413

    $19,759.99
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    Cummins

    Cummins 36kW Quiet Connect Series Generator RS36 (120/208V 3-Phase) – A051Y418

    $19,759.99
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    Cummins

    Cummins 36kW Quiet Connect Generator (120/240V Single Phase) – RS36/A051Y417

    $19,759.99
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