NL843NW4: 12/10 kW


Engine Block
• Four cycle, 3 cylinder, liquid cooled, naturally aspirated, overhead valve, industrial-duty diesel.
• Swirl combustion design improves fuel efficiency, reduces smoke and noise.
• Glow plugs for fast cold weather starting.
Cooling System
• Liquid-cooled with radiator and pusher cooling fan. Steel radiator shroud and fan guard protects the radiator and operator.
Self-Venting Fuel System
• Bosch-type in-line injection pump.
• Stop solenoid controls the fuel rack, not throttle, to eliminate speed variance and linkage problems.
• Engine speed governed to 5% for close AC frequency control.
• Pintle fuel injectors have replaceable tips for lower service costs.
• Mechanical fuel pump with hand primer.
• Large spin-on fuel fi lter.
• Fuel line manifold and flexible fuel lines for easy fuel tank connection.
Lubrication System.
• Full flow, spin-on oil filter with bypass.
• 5.8qt. (5.5ltr) oil capacity for better lubrication.

Intake and Exhaust
• Large replaceable air filter protects engine in dusty environments.
• Residential muffler built into the exhaust manifold saves installation time and costs.
• Set meets US EPA Tier IV emission requirements for cleaner air.
DC Electrical System
• 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.
• Dual panel relays and quick disconnect harness plug-ins. With optional Y-harness and 10, 20 or 40 foot harness extensions, you can have up to six remote control panels, up to 100 feet from the set.
• Safety shutdown system for low oil pressure and high coolant temperature.
AC Generator
• Northern Lights, direct coupled, brushless AC generator end is maintenance free. 4 lead, 1 phase, 1.0 pf, 50 or 60 Hz output. 12 lead-3 phase output is optional. Conservative heat rise rating: 95°C/50°C ambient for long generator life.
• 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 bearings and junction box for wiring.
• High air flow from integral fan keeps generator running cool.

Special Equipment
• Welded steel skid frame gives rigid support and makes installation easy.
• Enhanced fan guard for improved operator safety.
• Flexible mounts isolate engine vibration for smooth operation.
• Long life, blue enamel paint finish.
• Operator’s and parts manuals.
• Rigorous quality control includes a test run with load.
• Shipping crate protects set.

NL843NW4 Specifications
60 Hz / 1800 rpm:12 kW
50 Hz / 1500 rpm:10 kW
Cylinders:3 inline
Bore:3.3 in (84 mm)
Stroke:3.5 in (90 mm)
Displacement:91cid (1.5 ltr)
Fuel Systems:Mechanical
Length:45.7 in (1060 mm)
Width:18.1 in (461 mm)
Height:33.1 in (841 mm)
Weight:668 lbs (303 kg)
Information, specifications, materials and dimensions subject to change without notice.
US EPA Tier 3 Certified Units are available globally.

 Request Pricing | Locate a Dealer