Balmar XT-DF-170-J10-KIT 170 Amp Marine Alternator Charging Kit with J10 Serpentine Pulley

The Balmar XT-DF-170-J10-KIT is a complete high-performance marine alternator charging system designed for serious boaters with large battery banks. This comprehensive kit includes a 170-amp XT-Series alternator with J10 10-groove serpentine pulley, MC-618 Max Charge external regulator, temperature sensors, and mounting hardware—everything needed for a professional installation.

XT-Series Alternator Features:

• 170 amp output in a compact, marine-grade case with up to 140 amps at idle speeds
• 12-volt output with 5.2 HP power take-off
• Hitachi-style 3.15-inch dual foot saddle mount, typical for Yanmar, Westerbeke, Lehman, and Perkins-Sabre engines
• State-of-the-art braided wire stator design for exceptional output in minimal space
• Runs 9-18°F cooler than previous AT-Series 165A models while producing more power
• Smart Ready internal voltage regulator with option for MC-618 external regulation
• Dual fan cooling with high airflow frame design
• Case ground configuration for marine safety
• USCG Title 33, CE, ISO 8846, and SAE J1171 certified

The XT-Series represents the latest innovations in marine alternator technology, delivering incredible charging power in a compact package suitable for most small-to-medium diesel engines and GM-based gasoline engines from 4.3L to 8.1L. The J10 AltMount serpentine pulley system is designed for multi-groove serpentine belt configurations only. This kit replaces earlier Balmar models AT-DF-MC-165-KIT and AT-DF-165-J10-KIT.