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Yanmar 3TNV84 Generator Set

The Yanmar 3TNV84 is a generator set powered by a Yanmar 3TNV84T engine. It holds about 2.8 L (0.7 gal) of oil and 2 L (0.5 gal) of coolant. The set measures 589×486×622 mm (23.2×19.1×24.5 in) and weighs about 161 kg (355 lb). The same 3TNV84T engine also powers generator sets from Kohler.

1.496 L
Displacement
2.8 L
Oil capacity
3
Document types

Specifications

Oil capacity2.8 L
Coolant capacity2.0 L
Dimensions (L×W×H)589×486×622 mm
Dry weight161 kg

Engine

Yanmar 3TNV84T
Oil capacity4.7 L
Coolant capacity9.1 L
Displacement1.496 L
Aspirationturbocharged
Rated speed1800 rpm

Maintenance & consumables

for the Yanmar 3TNV84T
ItemSpecCapacityPart #Interval
Air filter—500 hr find
Fuel filter—1500 hr find
Oil filter—1500 hr find
Belt—2000 hr find
Coolant—2000 hr
Coolant filter—3000 hr find
Hydraulic filter—1500 hr find
Oil1.9 L—2000 hr

Common questions

What engine does the Yanmar 3TNV84 use?

The Yanmar 3TNV84 is powered by the Yanmar 3TNV84T engine.

What is the oil capacity of the Yanmar 3TNV84?

The Yanmar 3TNV84T engine in the Yanmar 3TNV84 has an oil capacity of 4.7 liters.

Troubleshooting

7

Fault codes

CodeMeaningRemedy
E01Engine oil pressure lowCheck engine oil level and condition. Replace if necessary.
E02Engine coolant temperature highCheck engine cooling system and coolant level. Allow engine to cool down before restarting.
E03Engine speed out of rangeCheck governor settings and engine load. Adjust as necessary.
E04Fuel filter cloggedClean or replace fuel filter.
E05Lubricant level lowAdd lubricant as needed. Check for leaks and replace if necessary.
E06Engine oil temperature highCheck engine oil cooler and cooling system. Allow engine to cool down before restarting.
E07Battery voltage lowCharge or replace battery as needed.

Fault codes and symptom→remedy steps extracted from this model’s service/owner documentation; verify against the official manual before servicing.

Parts

21
Part #DescriptionQtySystem
119802-55710Water separator elementFuel filter Amazon eBay $20.99
119802-55800Fuel filterFuel filter Amazon eBay $23.95
129150-35151Oil filterOil filter Amazon eBay $12.95
129423-7720040A Alternator ACFA68Alternator yemparts $191.26
Y32-00146Air filter element1Air filter buy
Y32-00156Oil filter element1Oil filter buy
Y32-00166Fuel filter element1Fuel filter buy
Y32-00176Coolant filter element1Coolant filter buy
Y32-00186Belt1Belt buy
Y32-00196Spark plug1Spark plug buy
0000019AEngine Nameplate4Service part / kit buy
0BTNV0-U0000N/AService part / kit buy
3TNV82AService part / kit yemparts $32.09
3TNV88Service part / kit woodline $16.21
4TNV106Service part / kit woodline $14.45
4TNV106TService part / kit yemparts $55.81
4TNV88Service part / kit woodline $16.21
4TNV94LService part / kit woodline $1.88
4TNV98Service part / kit woodline $1.88
4TNV98TService part / kit woodline $4.76
YY0934555EJohn Deere Triple Reel Mower 8400 Commercial1Service 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

RatingLoadL/hgal/h
Prime
Standby

Available documents

Engine specOwner's manualService manual

Other sets with this engine

Kohler 12.5EFORZD