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Balmar XT-DF-170-K6 XT-Series 170 Amp 12V Dual Foot Alternator K6 Pulley

Manufacturer

Balmar

<h3>About Balmar: Marine DC Power Since 1981</h3><p>Since its founding in 1981, <strong>Balmar</strong> has built a reputation as one of the most trusted names in marine DC power. For over four decades, the company has focused exclusively on helping sailors and power boaters solve one of the most persistent challenges on the water: keeping batteries charged reliably and efficiently. That singular focus has made Balmar the go-to choice for serious mariners who demand more from their electrical systems.</p><h3>Innovative Alternator Technology</h3><p>Balmar's greatest claim to fame is its lineup of <a href="/12782-balmar-alternators-200087">marine alternators</a> — widely regarded as the highest-output and most dependable alternators available in the recreational marine market. What sets Balmar apart is not just raw output, but smart engineering. Their patented <strong>Smart Ready&reg; Alternator</strong> technology allows the alternator to communicate directly with an external regulator, enabling precise, multi-stage charging profiles that protect batteries and extend their service life. Whether you're running a modest weekend sailboat or a fully outfitted bluewater passage-maker loaded with electronics, Balmar offers an <a href="/12782-balmar-alternator-2412">alternator</a> sized and engineered for the task.</p><p>Marine environments are uniquely demanding — salt air, vibration, and the need for long, uninterrupted charging cycles put far more stress on electrical components than typical automotive applications. Balmar designs its alternators specifically for these conditions, with robust construction and thermal management that keeps performance consistent even during extended motoring passages.</p><h3>Battery Monitors &amp; Charging System Management</h3><p>A high-output alternator is only part of the equation. Knowing the true state of your battery bank is equally critical, which is why Balmar also produces a respected line of <a href="/12782-balmar-battery-monitors-volt-meters-200146">battery monitors and volt meters</a>. These instruments give mariners accurate, real-time insight into battery voltage, state of charge, and current flow — the kind of data that prevents being stranded at anchor with a dead house bank. Balmar's monitoring products are designed to integrate seamlessly with their charging ecosystem, giving you a complete picture of your DC system's health at a glance.</p><h3>Expert Support &amp; a Legacy of Trust</h3><p>Beyond the products themselves, Balmar has long been recognized for its exceptional technical support. Marine electrical systems can be complex, and Balmar's knowledgeable team has a well-earned reputation for helping customers spec the right components and troubleshoot installations. That combination of innovative hardware and genuine expertise is a big reason why Balmar has remained a privately held, customer-focused company for over 40 years — and why the brand continues to be found aboard everything from coastal cruisers to offshore racing yachts.</p>

Part Number

XT-DF-170-K6
09/12/2036 11:47 AM
Sale Price

$920.84

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Product Details

The Balmar XT-DF-170-K6 is a high-output alternator from Balmar's XT-Series line, engineered to deliver reliable 170-amp charging performance for marine and heavy-duty applications. This 12-volt alternator features a dual foot mounting design with a 3.15-inch saddle mount configuration, providing secure installation and superior vibration resistance in demanding environments.

Key Features:

  • 170-amp output capacity for robust battery charging and power management
  • 12-volt system compatibility for standard marine electrical systems
  • Dual foot mounting with 3.15-inch saddle mount for versatile installation options
  • K6 serpentine pulley for efficient belt-driven operation
  • Case ground design for simplified wiring and installation
  • XT-Series construction with marine-grade durability and corrosion resistance

Balmar's XT-Series alternators are specifically designed for the harsh marine environment, featuring high-quality bearings, advanced thermal management, and robust construction. The dual foot mounting configuration provides flexibility for various engine installations, while the K6 pulley ensures compatibility with serpentine belt systems. Ideal for sailboats, powerboats, and commercial vessels requiring dependable high-output charging.

Products specifications

Dimensions

5.4" x 7.5" x 6.9"

Mount Type

Dual Foot 3.15"

Type

Alternator

Voltage

12 Volts DC

Outputs

1 Output

ISO Approved

J1171ISO28846USCG Title 33

Pulley Groove Type

K6 Multigroove

Pulley Outside Diameter

2.45 Inches

Rated Output Power - 2000 RPM Hot

118 Amps

Rated Output Power - 6000 RPM Hot

170 Amps

Warranty Details

Two Years

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