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Powerline HD Series Alternators

We offer different series alternators. 23HD, 24HD, 25HD, 28HD, and 31HD Series. Each series has multiple models with different amp ratings and some also come in different voltage ratings and mounting styles, for use in multiple vehicles/marine applications.

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Powerline 33HD Series Battery Isolators

A battery isolator allows multiple batteries to be charged from a single or dual alternator system and prevent reverse drain from either battery bank. ALL Powerline 33HD Series Battery Isolators can handle the total isolator rating at either battery bank; most other brands can't do this. Models from 70 - 400 amps are available.

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Powerline 10HD Series Regulators

All Powerline regulators, both internal and external are high side (Positive side) regulated. Some features are short-circuit protection for both field and ignition circuits, over voltage protection and more...

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About Us

We've been in business since 1987.

Some may remember us as by our old company name; 

HEHR Power Systems.

Others may remember our Tradename; POWERLINE, which is still how we do business Today. 

HD Power Solutions, Inc. (HDPSI) is our current company name and one thing that has never changed is providing high quality parts. 

We have been constantly improving our products throughout the years and will continue to do so.

POWERLINE

Power that keeps the world moving!

Best sellers

  • 31-100, 160-Amp, 12V
    Powerline 31-100 Alternator 160 amp 12 Volt 14 Volt HD Power Solutions
    Regular price
    $907.50
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    $907.50
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  • 25-62, 275-Amp, 12V
    Powerline 25-62 Alternator 275 amp 12 Volt 14 Volt HD Power Solutions
    Regular price
    $1,260.00
    Sale price
    $1,260.00
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  • 24-3, 190-Amp, 12V
    Powerline 24-3 Alternator 190 amp 12 Volt 14 Volt HD Power Solutions
    Regular price
    $756.00
    Sale price
    $756.00
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  • 25-12, 190-Amp, 12V
    Powerline 25-12 Alternator 190 amp 12 Volt 14 Volt HD Power Solutions
    Regular price
    $972.00
    Sale price
    $972.00
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  • 33-20, 150 Amps, 1 Alt, 2 Batt. w/ Excitation
    Powerline 33-20 Battery Isolator 150 amps 1 Alternator 2 Batteries with Excitation HD Power Solutions
    Regular price
    $268.59
    Sale price
    $268.59
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  • 33-43, 190 Amps, 1 Alt, 2 Batt.
    Powerline 33-43 Battery Isolator 190 amps 1 Alternator 2 Batteries HD Power Solutions
    Regular price
    $372.31
    Sale price
    $372.31
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  • 28-305, 180-Amp, 12V
    Powerline 28-305 Alternator 180 amp 12 Volt 14 Volt HD Power Solutions
    Regular price
    $724.50
    Sale price
    $724.50
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  • 33-53, 400 Amps, 1 Alt, 2 Batt w/ Excitation Term.
    Powerline 33-53 Battery Isolator 400 amps 1 Alternator 2 Batteries with Excitation HD Power Solutions
    Regular price
    $1,227.60
    Sale price
    $1,227.60
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Product Catalog

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