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NL773LW4 Specification Sheet

NL773LW4 Specification Sheet
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NL773LW4 Specifications and Dimensions Dimensional Drawing 60 Hz, 1800 RPM, 1 Ph, 1.0 PF, 120-240 V/33.3A, 120 V/67A Optional Three Phase with 0.8 PF Voltage regulation ±1% Type Displacement Bore/Stroke HP @ RPM Exhaust outlet Vertical inline 3 cylinder diesel 69 in3 (1.13 ltr) 3.03/3.19 in (77/81 mm) 15/1800 12/1500 1.25 inch (31.75 mm) OD 1800 RPM @ full load2 1800 RPM @ half load2 1500 RPM @ full load2 1500 RPM @ half load2 Fuel inlet and return Exhaust Outlet Approximate dry weight Installation Data & Weight NL773LW4 Overall Dimensions L x W x H: 37.9 x 20.4 x 31.3 inch (965 x 520 x 797 mm) Dimensions given in inches (mm). Dimensions subject to change without notice. Contact dealer or visit www.northern-lights.com for most current installation drawings. 1. Based on SAE J1995 and ISO 3046. 2. Actual fuel consumption will vary depending on operating conditions. NL773LW4 Features and Benefits Engine Block • Four cycle, 3 cylinder, liquid cooled, naturally aspirated, overhead valve, industrial-duty diesel. • Indirect injection with glow plugs for fast cold weather starts Cooling System • Liquid-cooled with radiator and pusher cooling fan. Steel radiator shroud and fan guard protects the radiator and operator. Fuel System • Fuel system is self venting. • In-block inline pump. • Stop solenoid controls the fuel rack - not throttle - to eliminate speed variance and linkage issues. • Engine speed governed to 5% for close AC frequency control. • Pintle fuel injectors with replaceable tips lower service cost. • Large spin-on fuel lter. • Flexible fuel lines routed to fuel manifold for easy tank connectivity. Lubrication System • Pressure lubricated. Gerotor oil pump. • Full flow, spin-on oil filter with bypass. • 5 qt. (4.9 ltr) oil capacity for better lubrication. • Meets US EPA Tier IV emission requirements for cleaner air. • Large, replaceable air filter protects engine in dusty environments. • Unit mounted residential muffler. • 12 volt system includes starter motor, battery charging alternator with solid state voltage regulator and DC circuit breaker. • Standard, unit mount S-1B control panel has engine hour meter, start-stop switch with run light and preheat switch. • Standard safety shutdowns for low oil pressure and high coolant temperature. • Dual panel relays and quick disconnect harness plug-ins. With optional Y-harness and 10, 20 or 40 foot harness extensions, allows up to six remote control panels, up to 100 feet from the set. • Northern Lights, direct coupled, brushless AC generator is maintenance free. 4 lead, 1 phase, 1.0 pf, 50 or 60 Hz output. 12 lead-3 phase is optional. Conservative heat rise rating: 95°C/50°C ambient. • Automatic Voltage Regulator is powered by dedicated AC winding for true 300% short circuit capability. Quick ±1% RMS no load to full load voltage regulation. AVR has circuit breaker protection. • Generator features high quality, Class “H” epoxy insulation, accessible diodes, over-sized bearing and junction box for wiring. • High air flow from integral fan keeps generator running cool. Special Features • Welded steel frame provides rigid support and ease of installation. • Enhanced fan guard for improved operator safety. • Four centerbonded mounts isolate vibration. • Long life, blue enamel paint finish. • Full load testing at factory ensures touble-free operation • Operator’s and parts manuals provided with each set. • Custom shipping crate and carton. www.northern-lights.com Dealer Northern Lights, Inc. • 4420 14th Ave. NW., • Seattle WA 98107 Tel: 206-789-3880 • 1-800-762-0165 • Fax: 206-782-5455 Information and dimensions subject to change without notice. Northern Lights and Lugger are registered trademarks of Northern Lights, Inc. © 2013 All rights reserved. Litho USA. S147 7/13

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