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Kubota EA300 Marine base engine

Kubota Marine Kubota EA300 · KB-EA family: specifications, its industrial/tractor base engine, cross-referenced parts and where to buy them.

🚜 Base engine confirmed

The Kubota EA300 listed here is Kubota's own industrial twin (E75/EA300 family) — the small-block donor used on Fischer Panda 5000i / AGT4000-class sets. This page IS the industrial parts book; buy internals as Kubota EA300 part numbers. source

309 ccdisplacement
2-cylcylinders
NAaspiration
📋 Full specifications 🚜 Industrial / tractor base 349 🔧 Aftermarket 1
Cheaper-part coverage · 1/8
🚜 Base engine ✓🌀 Impeller💧 Raw-water pump🛢️ Oil filter⛽ Fuel filter🌡️ Thermostat➰ Belt⚓ Anode

A ✓ means at least one cheaper channel — aftermarket, the tractor/industrial base engine, or a standard component — exists for this engine in that category.

Parts by section · 31 assemblies

The exploded parts diagrams for the Kubota EA300, grouped by system. Open a figure for its callout part numbers and per-variant quantities.

Cooling

Fig 0504 — Cooling Fan

Crankshaft, Pistons & Camshaft

Fig 0102 — Piston & CrankshaftFig 010302 — Flywheel

Cylinder Block

Fig 0001 — CrankcaseFig 0004 — Gear CaseFig 0100 — Main Bearing Case

Cylinder Head, Valves & Manifolds

Fig 0003 — Cylinder HeadFig 0005 — Head CoverFig 0600 — Valve & Rocker ArmFig 0603 — Air CleanerFig 0605 — Muffler

Engine

Fig 0007 — Oil GaugeFig 0101 — Cam Shaft & Idler ShaftFig 0106 — BalancerFig 0200 — Engine Stop LeverFig 0502 — RadiatorFig 0506 — Tension PulleyFig 0800 — Glow PlugFig 0805 — Start Handle & Side CoverFig 0809 — DecalsFig 030003 — Fuel FilterFig 030403 — Fuel TankFig 040402 — StarterFig 040502 — Starter (Details)Fig 040602 — Oil SwitchFig 080802 — Accessories & Service Parts

Fuel Injection

Fig 0202 — Fuel Injection PumpFig 0203 — Fuel Injection Pump (Details)Fig 0204 — GovernorFig 0205 — Speed Control Plate

Lubricating

Fig 0006 — Oil Filter
📚 Manuals & Sources
Specs— none yet
Operator's Manual— none yet
Service / Workshop Manual— none yet
Parts Catalog / List— none yet
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Category
Marine base engine
Engine family
KB-EA
Cylinders
2
Displacement
309 cc
Aspiration
Naturally aspirated