The Northern Lights M1066TR is a 6.8 L turbocharged engine rated at 1800 rpm. It powers generator sets from Northern Lights, including the M1066T.
Also known as: Lugger M1066TR
Part of the Northern Lights 1066 engine family — 6 variants share parts & fitment.
| Displacement | 6.8 L |
|---|---|
| Aspiration | Turbocharged |
| Rated speed | 1800 rpm |
How to read your Northern Lights engine serial & model number →
| Item | Action | Hours | Months | Notes |
|---|---|---|---|---|
| oil | Change | 500 hr | when fuel and oil requirements are met |
Extracted from the manufacturer documentation linked to this model. Values are copied as printed; confirm against your unit's manual and serial number.
| Type | Item | Value | Unit | Condition |
|---|---|---|---|---|
| Torque | Raw water pump shaft nut | 75 | lbs-ft | Tighten shaft nut; continue turning castle nut to align next slot with hole in shaft for cotter installation |
Extracted from the manufacturer documentation linked to this model. Values are copied as printed; confirm against your unit's manual and serial number.
| Part # | Description | Category |
|---|---|---|
| 24-21000 | Air Filter | Air filter |
| 24-22009 | Element, Air Filter | Air filter |
| 24-28602 | Air Filter Element | Air filter |
| 185046320 | Alternator, 12 Volt 40 Amp Standard Ground | Alternator |
| 22-40278 | Alternator (24V/40A Standard Ground) | Alternator |
| 22-40333 | Alternator (12V/51A ISO Ground) | Alternator |
| 22-42032 | Alternator, 12 Volt 40 Amp Isolated Ground | Alternator |
| 22-71052 | Alternator (24V/35A ISO Ground) | Alternator |
| 185446277 | Regulator Assembly | Avr |
| 22-40334 | D.C. Voltage Regulator 12 Volt | Avr |
| H144094 | Voltage Regulator | Avr |
| 40-02003 | Drive Belt | Belt |
| 40-02005 | Drive Belt | Belt |
| 40-08601 | Drive Belt | Belt |
| R123438 | Drive Belt, L- M1066T, M99C2, L1066A, M1066A1, A2, A3 (formerly # R123437) | Belt |
| R123457 | Drive Belt LP-MP668T-H (with turbo, formerly #R123464) | Belt |
| 185416480 | Brush | Brush |
| 185416490 | Brush Assembly | Brush |
| 185416500 | Brush Holder Assembly | Brush |
| 22-68304 | Brush assembly | Brush |
| 39-70006 | Molded Plastic Case | Case |
| 27-38008 | SS Exhaust Elbow | Elbow |
| 15H623 | Pipe Plug, 3/8" | Engine |
| 15H624 | Pipe Plug, 1/2" | Engine |
| 19M7867 | Capscrew, M8 x 25 | Engine |
| D2361R | Ball (not shown) | Engine |
| R114241 | Bearing Cap | Engine |
| R115390 | Bushing | Engine |
| R116466 | Bushing | Engine |
| R119874 | Bushing | Engine |
| R131182 | Orifice | Engine |
| R132186 | Bearing Cap (Thrust) | Engine |
| R132518 | Plate | Engine |
| R26493 | Bushing | Engine |
| R26650 | Dowel Pin | Engine |
| R48685 | Dowel Pin | Engine |
| R55233 | Pipe Plug, 1/4" | Engine |
| R75892 | O-ring | Engine |
| RE508185 | Drain Plug | Engine |
| RE520383 | Short Block Assembly (L1066A, M1066A1, A2, A3, and NL1066H1, H2, H3) | Engine |
| T18891 | Plug | Engine |
| T20168 | Washer | Engine |
| T23474 | Capscrew | Engine |
| 130306190 | Fuel Filter Assembly | Fuel filter |
| 24-52020 | Fuel Filter | Fuel filter |
| RE509031 | Filter Element | Fuel filter |
| RE509208 | Filter Element (also order R113565) | Fuel filter |
| RE67901 | Filter Element | Fuel filter |
| 11-11013 | Gasket, Thermostat Cover Mounting | Gasket |
| 11-11023 | Gasket, Manifold to Expansion Tank | Gasket |
| 11-11043 | Gasket | Gasket |
| 11-12005 | Oil Fill Neck Gasket | Gasket |
| 11-13101 | Gasket, Thermostat Cover | Gasket |
| 11-18602 | Gasket, Thermostat Cover | Gasket |
| 11-29501 | Gasket, Aftercooler Mtg. | Gasket |
| 11-31615 | Gasket | Gasket |
| 11-31902 | Gasket | Gasket |
| 11-33101 | Exhaust Manifold Gasket | Gasket |
| 110996820 | Gasket, Oil Pan | Gasket |
| 111147491 | Head Gasket t=1.3 mm | Gasket |
| 111147501 | Head Gasket t=1.4 mm | Gasket |
| 111996401 | Gasket, Head Cover | Gasket |
| 111996410 | Gasket, Rocker Arm Cover | Gasket |
| 111996420 | Gasket, Rocker Arm Cover | Gasket |
| 120996140 | Gasket, Rocker Arm Bracket | Gasket |
| 130326051 | Gasket | Gasket |
| 130516069 | Gasket | Gasket |
| 130996070 | Gasket | Gasket |
| 130996130 | Gasket | Gasket |
| 131426200 | Gasket | Gasket |
| 131426230 | Gasket | Gasket |
| 135996550 | Gasket | Gasket |
| 135996590 | Gasket, Exhaust Manifold | Gasket |
| 135996900 | Gasket | Gasket |
| 135996950 | Gasket, Air Intake Mounting | Gasket |
| 140996270 | Gasket, Valve Assembly | Gasket |
| 145996670 | Gasket | Gasket |
| 145996680 | Gasket | Gasket |
| 145996710 | Gasket, Thermostat Housing | Gasket |
| 165996510 | Gasket, Gear Case Cover | Gasket |
| 165996540 | Gasket, Front Plate | Gasket |
| 165996550 | Gasket, Timing Gear Case | Gasket |
| 29-03101 | Gasket Kit (Marine, includes all keys) | Gasket |
| 314990030 | Gasket, Elbow | Gasket |
| 340990011 | Gasket, Gear Case Cover | Gasket |
| R116516 | Engine Cylinder Head Gasket | Gasket |
| R123354 | Gasket, Engine Oil Pan | Gasket |
| R123543 | Gasket, Rocker Arm Cover | Gasket |
| R136516 | Gasket, Timing Gear Cover | Gasket |
| T43514 | Gasket | Gasket |
| 185366060 | Glow Plug, 12 Volt | Glow plug |
| 185366100 | Glow Plug, 24 Volt | Glow plug |
| 185366220 | Glow Plug, 12 Volt | Glow plug |
| 145536600 | Hose, Radiator Inlet | Hose |
| 145536630 | Hose, Radiator Outlet | Hose |
| 145537240 | Hose, Radiator Inlet | Hose |
| 145537250 | Hose, Radiator Outlet | Hose |
| 18-11906 | Vent Hose | Hose |
| 18-12003 | Hose | Hose |
| 18-12006 | Hose 5/16" ID x 26" Polyvinyl | Hose |
| 18-13107 | Formed Hose | Hose |
| 18-13108 | Hose 3/4" ID x 18-1/2" | Hose |
| 18-13109 | Overflow Hose 5/16" ID x 25" | Hose |
| 18-22001 | Hose, Air Intake (Molded) | Hose |
| 18-22002 | Hose 1-3/4" ID x 2-1/4" | Hose |
| 18-51902 | Hose 1/4" ID x 15" push-on | Hose |
| 18-52207 | Hose 1/4" ID x 24" push-on | Hose |
| 18-53112 | Hose Assembly 1/4" ID x 15" 5/16 JIC Both Ends | Hose |
| 18-65008 | Hose Assembly 1/4" ID x 24" with 90°, 1/4 JIC x 1/4 JIC | Hose |
| 27-12003 | Hose, 5/16" x 26" Polyurethane | Hose |
| 25-11011 | Impeller with Gasket | Impeller |
| 25-12009 | Impeller (includes key #15) | Impeller |
| 25-12060 | Impeller | Impeller |
| 25-15704 | Impeller | Impeller |
| 131406360 | Injector Assembly | Injector |
| 131406480 | Injector Assembly | Injector |
| 131416170 | Nozzle | Injector |
| RE505079 | Fuel Injector | Injector |
| RE507948 | Fuel Injector (formerly RE506688) | Injector |
| RE531436 | Fuel Injector | Injector |
| W673-2 | Manual | Manual |
| 140406310 | Suction Filter | Oil filter |
| 140517020 | Oil Filter Assembly | Oil filter |
| 24-02002 | Oil Filter | Oil filter |
| 24-09501 | Oil Filter | Oil filter |
| RE504836 | OIL FILTER | Oil filter |
| 05-79645 | Soundshield | Service part / kit |
| 05-79650 | Soundshield | Service part / kit |
| 110566080 | Breather Valve | Service part / kit |
| 130516084 | Diaphragm | Service part / kit |
| 185206084 | Solenoid, 12 Volt Standard Ground | Service part / kit |
| 185206192 | Solenoid, 12 Volt Isolated Ground | Service part / kit |
| 185206200 | 24 Volt Solenoid | Service part / kit |
| 185446276 | Rectifier Assembly | Service part / kit |
| 185816340 | Solenoid | Service part / kit |
| 185866391 | Drive Assembly (includes keys #11 - #16) | Service part / kit |
| 20-12002 | Heat Exchanger Element | Service part / kit |
| 20-29601-1 | Element, Intake Aftercooler | Service part / kit |
| 21-10000 | Zinc Plug | Service part / kit |
| 21-10010 | Zinc Anode | Service part / kit |
| 21-12008 | Filler Cap | Service part / kit |
| 21-12013 | Filler Cap | Service part / kit |
| 22-42047 | Relay, 12 Volt SPDT | Service part / kit |
| 24-20015 | Crankcase Breather Filter, Left hand | Service part / kit |
| 25-12004 | Repair Kit | Service part / kit |
| 27-32014 | SS Exhaust Elbow | Service part / kit |
| 310110200 | Filler Cap | Service part / kit |
| 340460170 | RW Pump Drive Gear | Service part / kit |
| 36-72003 | Drain Valve | Service part / kit |
| AT13740 | Drain Valve | Service part / kit |
| R104592 | Pipe Plug | Service part / kit |
| R111137 | Spring | Service part / kit |
| R121043 | Oil Bypass Valve | Service part / kit |
| RE505501 | Bleed Valve | Service part / kit |
| RE520385 | SHORT BLOCK ASSEMBLY | Service part / kit |
| RE56690 | Oil Cooler Element | Service part / kit |
| RE59298 | Oil Cooler Element | Service part / kit |
| 130506140 | Feed Pump Assembly | Pump |
| 145017800 | Coolant Pump Assembly (includes keys #2 - 5) | Pump |
| 25-12057 | Raw Water Pump | Pump |
| 25-19501 | Raw Water Pump Assembly (Includes all keys) | Pump |
| 25-19522 | Raw Water Pump Assembly (Includes all keys) | Pump |
| 340460141 | RW Pump Drive Gear | Pump |
| RE515718 | Electric Fuel Pump 24 Volt DC (VP44 System) | Pump |
| RE68345 | Fuel Pump (includes keys 2-5) | Pump |
| 025100008 | Seal Washer, Air Bleed Screw | Seal |
| 025100012 | Seal Washer - Industrial | Seal |
| 025100016 | Seal Washer | Seal |
| 052100400 | O-ring | Seal |
| 052109078 | O-ring, Relief Valve | Seal |
| 052109108 | O-ring, Governor Shaft | Seal |
| 052109109 | O-ring | Seal |
| 052109110 | O-ring | Seal |
| 052109113 | O-ring | Seal |
| 052300700 | O-ring, Gear Case Cover | Seal |
| 052400400 | O-Ring | Seal |
| 120406050 | Valve Guide Seal - Exhaust | Seal |
| 120406070 | Valve Guide Seal - Intake | Seal |
| 16-13101 | O-ring | Seal |
| 16-90001 | O-ring | Seal |
| 198636160 | Oil Seal, Front | Seal |
| 198636170 | Oil Seal | Seal |
| 25-12017 | Spline Seal | Seal |
| 25-12031 | O-Ring | Seal |
| 25-12065 | Lip Seal | Seal |
| 25-12066 | Mechanical Seal | Seal |
| 25-12067 | O-Ring | Seal |
| 25-19507 | Seal, Lip Type | Seal |
| 25-19508 | Seal, Mechanical/Carbon | Seal |
| 25-19521 | Oil Seal | Seal |
| 25-19526 | Mechanical Seal | Seal |
| RE44574 | Seal | Seal |
| RE505515 | Seal Kit (formerly #RE59810) | Seal |
| U13639 | O-ring | Seal |
| 185246011 | Oil pressure unit | Sensor |
| 22-10003 | Coolant Level Switch Gauge, Isolated Ground | Sensor |
| 22-40236 | Oil Pressure Switch | Sensor |
| 22-40358 | Temperature Switch 95°C | Sensor |
| 22-41016 | Oil Pressure Sender | Sensor |
| 22-42055 | Sender, Water Temperature - Single Station | Sensor |
| 22-42070 | Switch, High Exhaust Temperature & Harness Assembly | Sensor |
| 22-42803 | Oil Pressure Sender | Sensor |
| 22-44810 | Sender, Water Temperature - Single Station | Sensor |
| 385720110 | Temperature Switch 95°C | Sensor |
| RE167207 | Sensor | Sensor |
| RE519144 | Speed Sensor | Sensor |
| RE52722 | Temperature Sensor | Sensor |
| RE61812 | Air Temperature Sensor | Sensor |
| 185086551 | Starter 12 Volt | Starter |
| 22-42022 | Starter 24 Volt | Starter |
| 22-42059 | Starter, 12 Volt Isolated Ground | Starter |
| 22-48221 | 24V Starting Motor (Nippondenso) (formerly #22-48202) | Starter |
| 145206022 | Thermostat | Thermostat |
| 35-11000 | Thermostat, 180°F/82°C | Thermostat |
| 35-11007 | Thermostat, 1900F/ 880C | Thermostat |
Parts cataloged across all variants of this engine family — verify the exact part fits your specific variant and serial number before ordering.
The Northern Lights M1066TR has a displacement of 6.8 liters.
The Northern Lights M1066TR powers 1 generator set(s), including Northern Lights M1066T.