Northern Lights M673L4 / NL673L4 Generator
Northern Lights Northern Lights M673L4 / NL673L4 · NL-M673L family: specifications, its industrial/tractor base engine, cross-referenced parts and where to buy them.
🚜 Base engine not identified
The Northern Lights Northern Lights M673L4 / NL673L4 is a marinized industrial/tractor engine, but its specific donor block isn't identified yet. Its aftermarket equivalents may still help.
Parts by section · 35 assemblies
The exploded parts diagrams for the Northern Lights M673L4 / NL673L4, grouped by system. Open a figure for its callout part numbers and per-variant quantities.
Body
Cooling
Crankshaft & Pistons
Electrical
Fig 19 — Engine Electrical - 12 Volt Standard Ground NL673L4 (5-1)Fig 20 — B+ Electrical System (5-3)Fig 21 — Engine Electrical - 12 Volt Standard Ground NL673L4E (5-5)Fig 22 — B+ Electrical System (5-7)Fig 23 — FIG. 5-2 (5-8)Fig 24 — Alternator and Mounting (5-9)Fig 25 — Series 1-B Start/Stop Control Panel (5-10)Fig 26 — B+ Electrical Systems (5-11)Fig 27 — VDO Viewline Black Bezel Gauges (5-12)Fig 28 — VDO Viewline Black Bezel Gauges (5-13)Fig 29 — VDO Viewline Black Bezel Gauges (5-14)Fig 30 — VDO Viewline Black Bezel Gauges (5-17)Fig 31 — Belt Guard (5-19)
Engine Block & Head
Fuel
Fig 14 — Injection Pump and Lines (4-1)Fig 15 — Governor and Timing Gear Case (4-3)Fig 16 — Fuel Filter and Mounting (4-4)Fig 17 — Injector Assembly (4-5)Fig 18 — Injection Pump Assembly (4-6)
Generator
Inlet & Exhaust
Lubricating
Miscellaneous
Transmission & Mounting
Valve Train
📚 Manuals & Sources
Specs— none yet
Operator's Manual— none yet
Service / Workshop Manual— none yet
Parts Catalog / List— none yet
External links — we host none of these documents.
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- Category
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- NL-M673L