Introduction
The document provides an overview of Lugger marine engines, known for their reliability and durability, originally designed for Alaskan fishermen. Modern versions meet US EPA Tier II standards.

Engine Design and Features
The Lugger 1066 series includes a 6-cylinder, 6.8-liter diesel engine with a heavy-duty tractor block. Key features are:

• Cast iron expansion tank and liquid-cooled exhaust manifold for temperature control and electrolysis resistance.
• Low RPM operation for reduced noise and improved fuel combustion.
• Turbocharged and turbo-aftercooled models for increased power.
• Wet liners for better heat dissipation and reduced overhaul costs.

Performance and Efficiency
Designed for high torque and efficient fuel consumption, features include:

• Electronic engine control for precise fuel metering.
• Quiet operation with reduced vibration.
• Service points on one side for easy maintenance.
• Optional front power-take-off for auxiliary systems.

Testing and Quality Control
Each engine undergoes thorough testing to ensure reliability and durability.

Technical Specifications
Specifications for the L1066T, L1066A, and L1066H models include:

• Horsepower ratings and RPM specifications.
• Cooling system details with heat exchanger and keel cooling options.
• Electrical system specifications, including battery and alternator options.
• Fuel and oil system details, including injection and lubrication specifications.

Accessories and Options
The L1066 series offers various accessories and options, such as:

• Engine monitoring systems and wiring harness extensions.
• Alternator and reverse gear options.
• Vibration isolating engine mounts and high output PTO options.

Conclusion
The Lugger 1066 series engines are suitable for marine applications, offering robust performance, ease of maintenance, and environmental compliance, ideal for both commercial and pleasure craft.

Specifications Overview
The document details specifications for different engine models, focusing on power output and operational parameters, including power in FWHP, kW, and RPM for various duty ratings.

Engine Models and Ratings

• Model L1066A: High Output: 250 FWHP / 185 kW / 2400 RPM; Medium Duty: 200 FWHP / 148 kW / 2200 RPM; Continuous: 185 FWHP / 137 kW / 2400 RPM.
• Model L1066H: High Output: 275 FWHP / 203 kW / 2400 RPM; Medium Duty: 250 FWHP / 185 kW / 2200 RPM.

Performance Data
Includes tables with performance data for different RPM levels, detailing torque, FWHP, PDHP, and GPH for Medium Duty and High Output ratings.

Duty Rating Definitions

• High Output: Suitable for applications with a load factor of 20% or less, allowing a maximum of five minutes at full throttle, followed by at least ten minutes at cruise power, up to 200 hours per year.
• Medium Duty: Designed for a load factor of 66% or less, permitting a maximum of two hours at full throttle, followed by at least one hour at cruise power, suitable for up to 4000 hours per year.
• Continuous Duty: Allows for a 100% load factor with no time limit at full throttle and no restriction on annual hours.

Contact Information
For further inquiries, contact Northern Lights, Inc. at 4420 14th Ave. NW., Seattle WA 98107, Tel: (206) 789-3880, 1-800-762-0165, Fax: (206) 782-5455.