Specifications
| Fuel | diesel |
|---|---|
| Frequency | 60.0 Hz |
| Standby power | 9 kW |
| Prime power | 9 kW |
| Oil capacity | 4.0 L |
| Voltage options | 120 V, 240 V |
| Phase | 1 |
| Power factor | 1 |
| Dimensions (L×W×H) | 822×486×691 mm |
| Dry weight | 57 kg |
Maintenance & consumables
for the Lugger L7731| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Air filter | Inspeccione el fi ltro del aire. • | — | 13 hr | find | |
| Fuel filter | Inspeccione el fi ltro primario (marca Racor). • Cambie el fi ltro primario (marca Racor). • Cambie el fi ltro secundario del combustible. • | — | 100 hr | find | |
| Oil filter | Cambie el aceite del motor. | — | 100 hr | find | |
| Belt | Inspeccione la tensión de la correa trapezoidal. • Verifi que los ajustes de las válvulas. • | — | 100 hr | find | |
| Coolant | — | ||||
| Oil | Verifi que el nivel del aceite. • | — | 50 hr |
Common questions
What is the power rating of the Northern Lights M773LK?
The Northern Lights M773LK is rated 9 kW standby.
What engine does the Northern Lights M773LK use?
The Northern Lights M773LK is powered by the Lugger L7731 engine.
What fuel does the Northern Lights M773LK use?
The Northern Lights M773LK runs on diesel.
What is the oil capacity of the Northern Lights M773LK?
The Lugger L7731 engine in the Northern Lights M773LK has an oil capacity of 4.0 liters.
Parts
250| Part # | Description | Qty | System | |
|---|---|---|---|---|
| 00-08601 | Belt Guard | 1 | Belt | buy |
| 025100006 | Seal Washer | 1 | Seal | buy |
| 025100016 | Seal Washer | 1 | Seal | buy |
| 050209107 | Oil Seal, Rear | 1 | Seal | buy |
| 052100030 | O-ring | 2 | Seal | buy |
| 052100050 | O-ring | 1 | Seal | buy |
| 052100070 | O-ring | 1 | Seal | buy |
| 052100100 | O-ring | 2 | Seal | buy |
| 052100120 | O-ring | 1 | Seal | buy |
| 052100400 | O-ring, Oil Filter Cap | 4 | Seal | buy |
| 052109076 | O-ring, Suction Oil Pipe | 4 | Seal | buy |
| 052109078 | O-ring, Relief Valve | 4 | Seal | buy |
| 052109099 | O-ring, Head Cover | 4 | Seal | buy |
| 052109101 | O-ring, Rocker Arm | 41 | Seal | buy |
| 052300400 | O-ring | 1 | Seal | buy |
| 052300700 | O-ring | 1 | Seal | buy |
| 10-28603 | Cover, Lower Air Intake with 1-3/8" Hose Barb | 1 | Hose | buy |
| 11-08601 | Gasket, Exhaust Manifold/ Expansion Tank Mtg. | 4 | Gasket | buy |
| 11-18602 | Gasket, Thermostat Cover | 4 | Gasket | buy |
| 11-31902 | Gasket, Exhaust Outlet Mtg. | 4 | Gasket | buy |
| 110996800 | Gasket, Oil Pan | 4 | Gasket | buy |
| 111147560 | Head Gasket; t = 1.2 | 4 | Gasket | buy |
| 111147570 | Head Gasket; t = 1.3 | 4 | Gasket | FridayParts $44.00 |
| 120406050 | Valve Guide Seal, Exhaust | 3 | Seal | FridayParts $31.49 |
| 120406070 | Valve Guide Seal, Intake | 3 | Seal | FridayParts $31.49 |
| 130306190 | Fuel Filter Assembly (includes keys #1 - #6 & #19 - #20) | 4 | Fuel filter | Amazon eBay $17.02 |
| 130326051 | Gasket | 5 | Gasket | buy |
| 130506140 | Feed Pump Assembly (includes keys #1 - #15) | 4 | Pump | FridayParts $33.08 |
| 130516069 | Sealing Washer (not shown) | 4 | Seal | buy |
| 130516089 | Gasket | 1 | Gasket | buy |
| 130996130 | Gasket, Feed Pump | 1 | Gasket | buy |
| 131017920 | Injection Pump Assembly | 1 | Pump | buy |
| 131226180 | O-Ring | 1 | Seal | buy |
| 131406340 | Injector Assembly (includes keys #1 - #8) | 4 | Injector | FridayParts $91.99 |
| 131416150 | Nozzle | 1 | Injector | buy |
| 131426200 | Gasket, Injector Lower | 3 | Gasket | buy |
| 131426210 | Gasket, Injector Upper | 3 | Gasket | buy |
| 135996930 | Gasket, Intake | 1 | Gasket | buy |
| 135996940 | Gasket, Spacer | 14 | Gasket | buy |
| 140116140 | Oil Pump Cover | 4 | Pump | buy |
| 140996260 | Sealing Washer | 7 | Seal | buy |
| 140996270 | Gasket | 4 | Gasket | buy |
| 145017910 | Coolant Pump Assembly | 1 | Pump | buy |
| 145206022 | Thermostat | 1 | Thermostat | FridayParts $14.44 |
| 145996830 | Gasket, Water Pump | 1 | Gasket | buy |
| 16-08601 | O-ring | 1 | Seal | buy |
| 16-13101 | O-ring | 1 | Seal | woodline $4.80 |
| 165996520 | Gasket, Front Plate | 1 | Gasket | buy |
| 165996530 | Gasket, Gear Case | 1 | Gasket | buy |
| 18-18601 | Coolant Pump Inlet Hose | 4 | Hose | buy |
| 18-18602 | Hose 5/16" ID x 28" Polyvinyl | 1 | Hose | buy |
| 18-28601 | Air Intake Hose | 1 | Hose | buy |
| 18-72004 | Oil Drain Hose | 1 | Hose | buy |
| 185046210 | Alternator Assembly | 1 | Alternator | buy |
| 185046220 | Alternator Assembly (includes keys #1 - #28) | 1 | Alternator | FridayParts $107.03 |
| 185086551 | Starter, 12 Volt (see parts detail) | 4 | Starter | buy |
| 185246011 | Oil Pressure Switch | 4 | Sensor | FridayParts $11.20 |
| 185366220 | Glow Plug, 12 Volt | 3 | Glow plug | Amazon eBay $18.47 |
| 185376370 | Connector, Glow Plugs (former Harness part # 184606360) | 2 | Glow plug | buy |
| 185846617 | Packing Ring | 1 | Seal | buy |
| 19-00012 | Hose Clamp #12 | 4 | Hose | buy |
| 19-00016 | Hose Clamp #16 | 2 | Hose | buy |
| 19-00020 | Hose Clamp #20 | 1 | Hose | buy |
| 19-00040 | Hose Clamp #40 | 2 | Hose | buy |
| 19-00048 | Hose Clamp #48 | 2 | Hose | buy |
| 19-18602 | Hose Clamp | 2 | Hose | buy |
| 198636090 | Oil Seal, Front | 1 | Seal | buy |
| 21-00003 | Cap 1/2 NPT (used with hose 18-72004) | 1 | Hose | dieselpartscenter $41.27 |
| 21-13102 | Union 3/4" Hose Barb | 1 | Hose | buy |
| 22-41016 | Oil Pressure Sender 0-80 PSI, Single Station 1/8 NPT | 4 | Sensor | buy |
| 22-42014 | Switch, High Exhaust Temperature up to xxxx-31698 | 1 | Sensor | buy |
| 22-42055 | Temperature Sender, 0-250°F Single Station 3/8 NPT | 1 | Sensor | buy |
| 22-42070 | Switch, High Exhaust Temperature & Harness Assembly | 4 | Sensor | buy |
| 24-02001 | Oil Filter | 1 | Oil filter | Amazon eBay $23.45 |
| 24-28602 | Air Filter Element | 1 | Air filter | Amazon eBay |
| 24-52020 | Fuel Filter | 1 | Fuel filter | Amazon eBay $24.71 |
| 28-18601 | Thermostat Cover Plate | 1 | Thermostat | buy |
| 29-08600 | Gasket Kit | 1 | Gasket | buy |
| 340990011 | Gasket, Holder | 4 | Gasket | buy |
| 385720110 | Temperature Switch 95°C | 1 | Sensor | buy |
| 40-08601 | Drive Belt | 1 | Belt | Amazon eBay |
| 41-00004 | 3" Hose 3/4" ID x 18-1/2" | 1 | Hose | buy |
| 41-01011 | Hose 1/4" ID Push-on | 12 | Hose | FridayParts $859.86 |
| 49-00012 | Hose Clamp #12 | 4 | Hose | buy |
| 00-00013 | Label "12 Volt" | 1 | Service part / kit | buy |
| 00-00014 | Label "24 Volt" | 1 | Service part / kit | buy |
| 00-08301 | "Northern Lights" Decal | 4 | Service part / kit | buy |
| 00-13101 | Spring | 4 | Service part / kit | buy |
| 00-40013 | Plate, S-1 Control Panel | 1 | Service part / kit | buy |
| 00-40028 | Grommet | 1 | Service part / kit | buy |
| 010109235 | Capscrew, Hex Head M6 x 1.0 x 14 mm (with Lock Washer) | 20 | Service part / kit | buy |
| 010109264 | Bolt | 1 | Service part / kit | buy |
| 010109340 | Bolt | 6 | Service part / kit | buy |
| 010110610 | Bolt | 2 | Service part / kit | buy |
| 010110625 | Bolt | 2 | Service part / kit | buy |
| 010110630 | Bolt | 1 | Service part / kit | buy |
| 010310860 | Bolt | 1 | Service part / kit | buy |
| 010311020 | Bolt | 8 | Service part / kit | buy |
| 010311045 | Bolt | 2 | Service part / kit | buy |
| 010700610 | Bolt | 1 | Service part / kit | buy |
| 010700820 | Bolt | 4 | Service part / kit | buy |
| 010700835 | Bolt | 2 | Service part / kit | buy |
| 010810840 | Bolt | 4 | Service part / kit | buy |
| 010810845 | Bolt | 2 | Service part / kit | buy |
| 011100408 | Bolt | 4 | Service part / kit | buy |
| 011301025 | Bolt | 2 | Service part / kit | buy |
| 011310612 | Bolt | 4 | Service part / kit | buy |
| 011310614 | Bolt | 4 | Service part / kit | buy |
| 011310620 | Bolt | 2 | Service part / kit | buy |
| 011310625 | Bolt | 2 | Service part / kit | buy |
| 011310635 | Bolt | 4 | Service part / kit | buy |
| 011310640 | Bolt | 2 | Service part / kit | buy |
| 011310660 | Bolt | 3 | Service part / kit | buy |
| 011310680 | Bolt | 2 | Service part / kit | buy |
| 011510640 | Bolt | 2 | Service part / kit | buy |
| 011510840 | Bolt | 2 | Service part / kit | buy |
| 011510865 | Bolt | 3 | Service part / kit | buy |
| 012100620 | Stud | 2 | Service part / kit | buy |
| 012100635 | Stud | 1 | Service part / kit | buy |
| 012100820 | Stud | 2 | Service part / kit | buy |
| 012109177 | Stud | 3 | Service part / kit | buy |
| 012110660 | Stud | 1 | Service part / kit | buy |
| 015100412 | Screw | 4 | Service part / kit | buy |
| 015140408 | Screw | 1 | Service part / kit | buy |
| 015140425 | Screw | 2 | Service part / kit | buy |
| 020109075 | Nut | 6 | Service part / kit | buy |
| 020109076 | Nut | 6 | Service part / kit | buy |
| 020210010 | Nut | 4 | Service part / kit | buy |
| 020700008 | Nut | 2 | Service part / kit | buy |
| 020800018 | Nut | 4 | Service part / kit | buy |
| 020900010 | Nut | 2 | Service part / kit | buy |
| 023100004 | Nut | 3 | Service part / kit | buy |
| 023100006 | Hex Nut M6 x 1.0, Flanged | 2 | Service part / kit | buy |
| 023100008 | Hex Nut M8 x 1.25 Flanged | 3 | Service part / kit | buy |
| 024600008 | Cap Nut | 3 | Service part / kit | buy |
| 026100010 | Washer | 1 | Service part / kit | buy |
| 026200008 | Washer | 4 | Service part / kit | buy |
| 026200010 | Washer | 1 | Service part / kit | buy |
| 027100008 | Spring Washer | 4 | Service part / kit | buy |
| 027100010 | Spring washer | 4 | Service part / kit | buy |
| 030300414 | Spring Pin | 1 | Service part / kit | buy |
| 030300816 | Spring Pin | 1 | Service part / kit | buy |
| 030309005 | Spring Pin | 2 | Service part / kit | buy |
| 030500512 | Dowel Pin | 2 | Service part / kit | buy |
| 030500612 | Dowel Pin | 6 | Service part / kit | buy |
| 030500616 | Dowel Pin | 2 | Service part / kit | buy |
| 030501025 | Dowel Pin | 2 | Service part / kit | buy |
| 030509020 | Dowel Pin | 1 | Service part / kit | buy |
| 031100004 | Snap Pin | 1 | Service part / kit | buy |
| 034100508 | Key (for Pulley #29 or #32 only) | 1 | Service part / kit | buy |
| 036500021 | Snap Ring | 6 | Service part / kit | buy |
| 036509005 | Snap Ring | 1 | Service part / kit | buy |
| 036800005 | Snap Ring | 4 | Service part / kit | buy |
| 036800006 | Snap Ring | 1 | Service part / kit | buy |
| 036800008 | Snap Ring | 2 | Service part / kit | buy |
| 036800010 | Snap Ring | 1 | Service part / kit | buy |
| 040106203 | Bearing | 1 | Service part / kit | buy |
| 040109059 | Bearing | 1 | Service part / kit | buy |
| 040126210 | Bearing | 2 | Service part / kit | buy |
| 042303015 | Bearing | 1 | Service part / kit | buy |
| 048100010 | Steel Ball | 4 | Service part / kit | buy |
| 064100045 | Expansion Plug, 45 mm | 1 | Service part / kit | buy |
| 064210015 | Expansion Plug, 15 mm | 4 | Service part / kit | buy |
| 064210018 | Expansion Plug, 18 mm | 6 | Service part / kit | buy |
| 064210025 | Expansion Plug, 25 mm | 1 | Service part / kit | buy |
| 064210030 | Expansion Plug, 30 mm | 2 | Service part / kit | buy |
| 064210035 | Expansion Plug, 35 mm | 2 | Service part / kit | buy |
| 064210040 | Expansion Plug, 40 mm | 2 | Service part / kit | buy |
| 064510020 | Plug | 1 | Service part / kit | buy |
| 068115200 | Tube | 1 | Service part / kit | buy |
| 10-08601 | Exhaust Manifold/ Expansion Tank | 1 | Service part / kit | buy |
| 10-28601 | Air intake Manifold | 1 | Service part / kit | buy |
| 10-28602 | Cover | 1 | Service part / kit | Amazon eBay |
| 10-51099 | Fuel Manifold 1/4 NPT | 1 | Service part / kit | buy |
| 110103541 | Cylinder Block Assembly (includes keys #2 - #21, formerly #110103540) | 1 | Service part / kit | buy |
| 110136280 | Valve Seat | 3 | Service part / kit | buy |
| 110136300 | Valve Seat | 3 | Service part / kit | buy |
| 110156400 | Bearing Holder Assembly (includes keys #6 & #7) | 1 | Service part / kit | buy |
| 110156410 | Bearing Holder Assembly (includes keys #6 & #7) | 1 | Service part / kit | buy |
| 110156420 | Bearing Holder Assembly (includes keys #6 & #7) | 1 | Service part / kit | buy |
| 110446421 | Flywheel Housing | 4 | Service part / kit | buy |
| 110566080 | Breather Valve | 4 | Service part / kit | FridayParts $54.90 |
| 110666050 | Retainer | 1 | Service part / kit | buy |
| 110666060 | Vent Filter | 1 | Service part / kit | Amazon eBay $21.78 |
| 110708620 | Oil Pan | 1 | Service part / kit | buy |
| 110756490 | Dipstick Tube | 4 | Service part / kit | buy |
| 110766200 | Holder | 1 | Service part / kit | buy |
| 111010290 | Cylinder Head Assembly - (Includes keys #1 - #14) | 1 | Service part / kit | buy |
| 111136440 | Head Bolt | 1 | Service part / kit | buy |
| 111136450 | Head Bolt | 3 | Service part / kit | buy |
| 111217470 | Rocker Arm Cover Assembly (includes keys #3 - #5) | 1 | Service part / kit | buy |
| 115017450 | Piston Kit; O.S. 0.50 | 3 | Service part / kit | buy |
| 115017460 | Piston Kit; S.T.D. | 3 | Service part / kit | FridayParts $159.99 |
| 115026340 | Connecting Rod Assembly (includes keys #20 - #22) | 3 | Service part / kit | FridayParts $79.00 |
| 115107430 | Ring Kit; O.S. 0.50 mm | 3 | Service part / kit | buy |
| 115107900 | Ring Kit; S.T.D. | 3 | Service part / kit | buy |
| 115176150 | Connecting Rod Bolt | 6 | Service part / kit | buy |
| 115256830 | Crankshaft Assembly (includes keys #2 - 4 & #24) | 4 | Service part / kit | buy |
| 115276180 | Crankshaft Gear | 1 | Service part / kit | buy |
| 115326231 | Piston Pin | 3 | Service part / kit | buy |
| 115326234 | Piston Pin | 3 | Service part / kit | buy |
| 115356720 | Flywheel Assembly (includes key #28) | 4 | Service part / kit | buy |
| 115376130 | Ring Gear | 1 | Service part / kit | buy |
| 115396650 | Crankshaft Pulley | 1 | Service part / kit | buy |
| 12-00030 | Capscrew, Hex Head, M6 x 1.0 x 16 mm | 2 | Service part / kit | buy |
| 12-00031 | Capscrew, Hex Head M6 x 1.0 x 25 mm | 2 | Service part / kit | buy |
| 12-00093 | Machine Screw, Round Head Philips #6 - 32 x 1/2" | 2 | Service part / kit | buy |
| 12-00094 | Machine Screw #10-32 x 3/8" Stainless Steel | 2 | Service part / kit | buy |
| 12-00311 | Capscrew, Hex Head 3/8-16 x 3/4" | 1 | Service part / kit | buy |
| 12-00313 | Capscrew, Hex Head 3/8-16 x 1-1/4" | 8 | Service part / kit | buy |
| 12-00753 | Capscrew, Hex Head M8 x 1.25 x 30 mm | 6 | Service part / kit | buy |
| 12-00776 | Capscrew, Hex Head M8 x 1.25 x 20 mm, Stainless Steel | 16 | Service part / kit | buy |
| 12-00943 | Capscrew, Hex Head M12 x 1.25 x 30 mm | 4 | Service part / kit | buy |
| 12-01102 | Capscrew, Hex Head M6 x 1.0 x 16 mm S/S | 2 | Service part / kit | buy |
| 12-01124 | Capscrew, Hex Head M6 x 1.0 x 50 mm | 4 | Service part / kit | buy |
| 12-01125 | Capscrew, Hex Head M6 x 1.0 x 65 mm | 1 | Service part / kit | buy |
| 12-01131 | Capscrew, Hex Head M6 x 1.0 x 20 mm | 4 | Service part / kit | buy |
| 12-01132 | Capscrew, Hex Head M6 x 1.0 x 85 mm | 3 | Service part / kit | buy |
| 12-09130 | Capscrew, Hex Head M6 x 1.0 x 95 mm S/S | 4 | Service part / kit | buy |
| 12-09136 | Capscrew, Hex Head M6 x 1.0 x 90 mm S/S | 6 | Service part / kit | buy |
| 12-09712 | Capscrew, Hex Head M8 x 1.25 x 25 mm S/S | 3 | Service part / kit | buy |
| 12-09814 | Capscrew, Hex Head M10 x 1.5 x 35 mm S/S | 1 | Service part / kit | FridayParts $53.52 |
| 12-09956 | Capscrew, Hex Head M12 x 1.75 x 65 mm, S/S | 2 | Service part / kit | buy |
| 12-90049 | Capscrew, Hex Head M6 x 1.0 x 15 mm | 4 | Service part / kit | buy |
| 120016021 | Cam Gear Assembly | 1 | Service part / kit | buy |
| 120026570 | Cam Shaft Assembly | 1 | Service part / kit | buy |
| 1200311 | Capscrew, Hex Head 3/8-16 x 3/4" | 4 | Service part / kit | buy |
| 120036880 | Rocker Arm Assembly (includes keys #1-10) | 4 | Service part / kit | buy |
| 120116160 | Tappet | 6 | Service part / kit | FridayParts $31.49 |
| 120166360 | Intake Valve | 3 | Service part / kit | buy |
| 120176250 | Exhaust Valve | 3 | Service part / kit | buy |
| 120186080 | Retainer | 6 | Service part / kit | buy |
| 120216040 | Cap | 6 | Service part / kit | buy |
| 120226070 | Cotter | 12 | Service part / kit | buy |
| 120316300 | Rocker Arm Shaft | 4 | Service part / kit | buy |
| 120356200 | Intake Rocker Arm | 3 | Service part / kit | buy |
| 120356210 | Exhaust Rocker Arm | 3 | Service part / kit | buy |
| 120456222 | Push Rod | 6 | Service part / kit | buy |
| 120736081 | Gear | 1 | Service part / kit | buy |
| 125046260 | Governor Lever Assembly | 1 | Service part / kit | buy |
| 125116131 | Shaft | 1 | Service part / kit | buy |
| 125156170 | Governor Arm | 4 | Service part / kit | buy |
| 125156180 | Governor Arm | 1 | Service part / kit | buy |
| 125176180 | Stop Lever (formerly #125176080) | 4 | Service part / kit | buy |
| 125256120 | Slider | 1 | Service part / kit | buy |
| 125406071 | Tension Lever | 1 | Service part / kit | buy |
| 125416020 | Governor Lever | 4 | Service part / kit | buy |
| 125976120 | Stay | 4 | Service part / kit | buy |
| 13-09710 | Stud M8 x 1.25 x 25 mm (35 mm LOA S/S) | 1 | Service part / kit | buy |
| 13-80070 | Stud, M10 x 1.5 x 110.8 mm | 4 | Service part / kit | buy |
Service, wear & replacement parts referenced for this model and its engine — confirm the exact part for your serial number. See the full parts catalog to search and cross-reference.
Fuel consumption
| Rating | Load | L/h | gal/h |
|---|---|---|---|
| 50% | 1.8 | 0.48 | |
| 100% | 3.52 | 0.93 | |
| Prime | |||
| Standby |
Available documents
Spec sheetParts manualService manual