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Balmar XT-Series Alternators

XT-Series Alternators
Designed for Recreational Applications

  • 170A or 250A in a Small Case Package
  • Up to 180A at Idle Speeds
  • Patented Smart Ready® Technology
  • Dual Fan Cooling, High Airflow Frame
  • Ideal for Large Battery Banks
  • USCG Title 33, ISO 8846 and SAE J1171 Certified

New XT-Series Alternators from Balmar bring together the latest innovations in alternator design to deliver incredible charging power in a compact, Marine-friendly package.

Advanced Hairpin StatorThe New XT-Series Alternator family features a state-of-the-art, braided stator wire design to generate exceptional output in the smallest possible area. The XT-Series produces slightly more power than our previous AT-Series 165A design and operates 5o-10oC cooler. In addition, we’ve added Balmar’s Smart Ready® internal regulator technology to provide an additional level of fault tolerance for cruising boaters. Available XT-Series mounting styles have also expanded to include the “Vortec” 9Si design found on many GM gasoline engines.

XT-Series Alternators feature 96 slots – compared to 36 slots in a traditional S-wound stator – allowing the stator to develop superior electromagnetic energy and efficiency compared to traditional stator designs. The XT-170 and XT-250 are designed to deliver superior performance at idle speeds – up to 128A and 186A, respectively for 12V applications.

XT-Series Alternators may require a Tachometer Signal Stabilizer (Part No. 15-TSS) if your current tach is not adjustable. XT-Series Alternators should only be used in Dual Vee or Multi-Groove Serpentine belt configurations. Balmar’s growing range of AltMount® Serpentine Pulley Conversion Kits support all XT-Series Alternators.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Coming Soon!


Products 1-6 of 6
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Balmar Alternator Kit 170A XT K6 Pulley, Single Foot
Balmar Alternator Kit 170A XT K6 Pulley, Single Foot
Price: $1,365.00
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Availability: Special Order
Balmar Item #: ATB73026 -

Description Kit Includes: XT-SF-170-K6 Alternator, MC-614 Regulator, Temperature Sensors & Mounting Hardware XT Series Alternator: 170A, 12V, Spindle Mount (Single Foot), 1-2in, K6 Serpentine Pulley, Case Ground 1" Motorola-Style Mounting; Typical for Westerbeke, Lehman, Hino & Pathfinder Engines2" Delco-Style Mounting; Typical for Volvo Penta (Gas & Diesel), John Deere, Perkins, Mercruiser, Pleasurecraft, Crusader, Indmar, Marine Power & other GM-based Engines Replaces AT-SF-MC-165-KIT,...

Balmar XT-SF-170-J10-KIT Alternator Kit, Single Foot
Balmar Alternator Kit 170A XT J10 Pulley, Single Foot
Price: $1,365.00
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Availability: In Stock
Balmar Item #: ATB73025 -

Description Kit Includes: XT-SF-170-J10 Alternator, MC-618 Regulator, Temperature Sensors & Mounting Hardware XT Series Alternator: 170A, 12V, Spindle Mount (Single Foot), 1-2in, J10 AltMount Serpentine Pulley, Case Ground 1″ Motorola-Style Mounting; Typical for Westerbeke, Lehman, Hino & Pathfinder Engines 2″ Delco-Style Mounting; Typical for Volvo Penta (Gas & Diesel), John Deere, Perkins, Mercruiser, Pleasurecraft, Crusader, Indmar, Marine Power & other GM-based Engines Replaces...

Balmar Alternator Kit 170A XT K6 Pulley, Dual Foot
Balmar Alternator Kit 170A XT K6 Pulley, Dual Foot
Price: $1,365.00
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Availability: Special Order
Balmar Item #: ATB74117 -

Description Kit Includes: XT-DF-170-K6 Alternator, MC-614 Regulator, Temperature Sensors & Mounting Hardware XT Series Alternator: 170A, 12V, Saddle Mount (Dual Foot), 3.15in, K6 Serpentine Pulley, Case Ground Hitachi-Style Mounting; Typical for Yanmar, Westerbeke, Lehman & Perkins-Sabre Engines Replaces AT-DF-MC-165-KIT, AT-DF-165-K6-KIT DATA SHEET ...

Balmar XT-DF-170-J10-KIT Alternator, Dual Foot
Balmar Alternator Kit 170A XT J10 Pulley, Dual Foot
Price: $1,365.00
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Availability: Special Order
Balmar Item #: ATB71416 -

Description Kit Includes: XT-DF-170-J10 Alternator, MC-614 Regulator, Temperature Sensors & Mounting Hardware XT Series Alternator: 170A, 12V, Saddle Mount (Dual Foot), 3.15in, J10 AltMount Serpentine Pulley, Case Ground Hitachi-Style Mounting; Typical for Yanmar, Westerbeke, Lehman & Perkins-Sabre Engines Replaces AT-DF-MC-165-KIT, AT-DF-165-J10-KIT DATA SHEET ...

Balmar XT-DF-250-K6-KIT Alternator Kit
Balmar Alternator Kit, MC Regulator, TSensors, 250A XT K6 Pulley, Dual Foot
Price: $1,587.00
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Availability: Special Order
Balmar Item #: ATB73030 -

Description Kit Includes: XT-DF-250-K6 Alternator, MC-618 Regulator, Temperature Sensors & Mounting Hardware XT Series Alternator: 250A, 12V, Saddle Mount (Dual Foot), 3.15in, K6 Serpentine Pulley, Case Ground Hitachi-Style Mounting; Typical for Yanmar, Westerbeke, Lehman & Perkins-Sabre Engines Replaces AT-DF-200-12-IG, AT-DF-200-K6 DATA SHEET ...

Balmar XT-DF-250-J10-KIT Alternator Kit
Balmar Alternator Kit, MC Regulator, TSensors, 250A XT J10 Pulley, Dual Foot
Price: $1,587.00
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Availability: Special Order
Balmar Item #: ATB73028 -

Description Kit Includes: XT-DF-250-J10 Alternator, MC-618 Regulator, Temperature Sensors & Mounting Hardware XT Series Alternator: 250A, 12V, Saddle Mount (Dual Foot), 3.15in, J10 AltMount Serpentine Pulley, Case Ground Hitachi-Style Mounting; Typical for Yanmar, Westerbeke, Lehman & Perkins-Sabre Engines DATA SHEET ...