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Home›Engines›Yanmar 3TNE78A

Yanmar 3TNE78A Engine Engine

The Yanmar 3TNE78A is a 1.2 L 3-cylinder diesel / 4-stroke engine rated at 1800 rpm, producing up to 16.2 kW. It powers generator sets from Mase, including the IS9.5.

Also known as: Yanmar 3TNE78A

Part of the Yanmar 3TNE78A engine family — 2 variants share parts & fitment.

1.204 L
Displacement
3
Cylinders
1800 rpm
Rated speed
16 kW
Gross power

Engine specifications

Displacement1.204 L
Cylinders3
AspirationDiesel / 4-stroke
Rated speed1800 rpm
Gross power16 kW

Generator sets powered by this engine

1
Mase IS9.5

This engine also powers 4 machine(s) on Power Equipment Info.

Parts cataloged across the Yanmar 3TNE78A family

62
Part #DescriptionCategory
129619-12520Outer Elementair_filter
119831-42290Drive Beltbelt
6-1001Control panelcontrol_panel
119810-55650Elementfuel_filter
119813-12110Intake Manifold Gasketgasket
119813-13110Exhaust Manifold Gasketgasket
119818-01330Cylinder Head Gasketgasket
119865-11310Bonnet Gasketgasket
121000-13201Silencer Gasketgasket
124240-01883Gasketgasket
124465-44950Gasketgasket
129150-32020Pump Gasketgasket
129150-35041Gasketgasket
129150-35111Gasketgasket
129150-42020Cooling Water Pump Gasketgasket
129150-49811Gasketgasket
129150-77511Gasketgasket
129155-52020Gasketgasket
129795-49551Gasketgasket
23414-100000Gasketgasket
719989-92600Gasket Setgasket
977770-01212Liquid Gasketgasket
119820-44560Hose, Radiator Inlethose
129619-12210Hosehose
171301-49010Hose, Radiator Inlethose
171301-49020Hose, Radiator Outlethose
41-0101274" Hose 5/16" ID Push-Onhose
119818-53000Nozzle Assemblyinjector
719800-53100Fuel Injectorinjector
24-07301Oil Filteroil_filter
22-40018Circuit Breaker 10 Ampother_service
22-42047Relay, SPDT 12 Volt 20/30 Ampother_service
119810-42001Coolant Pumppump
129001-32001Oil Pump Assemblypump
129100-52100Feed Pumppump
719989-51310Injection Pumppump
102103-55520O-Ringseal
104200-59170Sealing Washerseal
119810-01780Oil Sealseal
121850-51960O-Ringseal
124160-11340Valve Stem Sealseal
124950-11340Valve Stem Sealseal
129129-77350O-Ringseal
129150-42320O-Ringseal
129795-01800Oil Sealseal
15-01001Sealing Washerseal
22190-080002Seal Washerseal
22190-220002Seal Washer 22Sseal
24311-000120O-Ringseal
24311-000160O-Ringseal
24311-000320O-Ringseal
24311-240100O-Ringseal
24341-000240O-Ringseal
24341-000280O-Ringseal
24341-000500O-Ringseal
719810-01650Rear Main Seal Assemblyseal
119600-34800Oil Pressure Switchsensor
121250-44901Temperature Switch 110°Csensor
121460-39450Pressure Switchsensor
22-41016Pressure Sender 0 - 80 PSI Standard Groundsensor
22-45201Temperature Sender 250°F Standard Groundsensor
129155-49800Thermostatthermostat

Parts cataloged across all variants of this engine family — verify the exact part fits your specific variant and serial number before ordering.

Aftermarket parts that fit this engine

60
4Pcs PartsGeek sinocmp $25.90 129102-53000 PartsGeek FridayParts $49.99 3TN75E PartsGeek yemparts $96.78 3TN82E PartsGeek yemparts $115.86 3TN84L PartsGeek sinocmp $66.00 3TNE78A PartsGeek yemparts $117.49 3TNE84 PartsGeek yemparts $32.89 3TNE88 PartsGeek yemparts $32.89 4TN82E PartsGeek sinocmp $99.00 4TN82L PartsGeek yemparts $115.86 4TNE88 PartsGeek yemparts $31.44 4TNE88L PartsGeek 3D78-1 PartsGeek yemparts $39.44 4D88E-3 PartsGeek yemparts $29.98 119653-77950 PartsGeek FridayParts $21.04 2TNV56 PartsGeek 2TNV70 PartsGeek yemparts $28.66 3TN66L PartsGeek yemparts $33.44 3TNE68 PartsGeek yemparts $28.66 3TNE82A PartsGeek sinocmp $71.00 3TNM68 PartsGeek yemparts $49.72 4TNV88 PartsGeek woodline $16.21 128300-77920 PartsGeek FridayParts $16.99 2TNE68 PartsGeek yemparts $28.66 2V750 PartsGeek yemparts $33.44 3TN100 PartsGeek yemparts $28.66 3TN84E PartsGeek yemparts $115.86 3TNA72E PartsGeek yemparts $33.44 3TNC78E PartsGeek yemparts $115.86 3TNE74 PartsGeek yemparts $32.22 114250-39450 PartsGeek FridayParts $11.50 3TNE78 PartsGeek yemparts $44.96 3TNE82 PartsGeek woodline $3.20 3TNV82 PartsGeek woodline $27.48 4TNV106 PartsGeek woodline $14.45 4TNV84 PartsGeek yemparts $32.89 4TNV94 PartsGeek woodline $7.07 4TNV98 PartsGeek woodline $1.88 AM880956 PartsGeek 729609-53200 PartsGeek FridayParts $79.00 119813-22300 PartsGeek 3TNC80L PartsGeek yemparts $115.86 3TNV82A PartsGeek yemparts $32.09 3D78AE PartsGeek yemparts $32.21 3D82AE PartsGeek yemparts $29.98 3D82E PartsGeek yemparts $44.84 71985351370 PartsGeek 719818-51360 PartsGeek 3TNE78A-B1A PartsGeek B25V PartsGeek kuduparts $577.00 129150-77202 PartsGeek 3TN82L PartsGeek yemparts $115.86 3TNV76 PartsGeek woodline $25.42 B15-3 PartsGeek kuduparts $174.00 119836-77200 PartsGeek FridayParts $108.00 3TNV88 PartsGeek woodline $16.21 TB020 PartsGeek TB025 PartsGeek yemparts $128.04 TB030 PartsGeek TB035 PartsGeek yemparts $139.00

Parts listed by aftermarket suppliers as fitting this engine — leads compiled from supplier catalogs; verify the exact part for your serial number.

Filters for this engine

  • Air filter: Yanmar 12908712510 Yanmar 11965512560L Yanmar 12905112530 Donaldson P533597 Donaldson P821575 Donaldson P822686 Donaldson P822858 Wix 46452
  • Fuel filter: Yanmar 11981055650 Donaldson P502166 Wix 33263
  • Oil filter: Yanmar 11900535170 Yanmar 12915035170 Donaldson P502051 Donaldson P550162 Wix 51334 Ac Delco X45

Cross-referenced via Donaldson + OEM/engine-maker interchange — options to verify against your serial number, not confirmed for every exact variant.

Also used in

4
  • Antonio Carraro 4400HST — Tractor
  • John Deere 4115 — Tractor
  • John Deere 4200 — Tractor
  • John Deere 855 — Tractor

Other equipment known to use this engine, via filter-application cross-reference — useful for sourcing parts even when your exact machine isn't listed elsewhere on this page.

Common questions

What is the displacement of the Yanmar 3TNE78A?

The Yanmar 3TNE78A has a displacement of 1.204 liters with 3 cylinders.

Which generators use the Yanmar 3TNE78A engine?

The Yanmar 3TNE78A powers 1 generator set(s), including Mase IS9.5.

What oil filter does the Yanmar 3TNE78A use?

The Yanmar 3TNE78A uses oil filter part numbers Yanmar 11900535170, Yanmar 12915035170, Donaldson P502051.

What fuel filter does the Yanmar 3TNE78A use?

The Yanmar 3TNE78A uses fuel filter part numbers Yanmar 11981055650, Donaldson P502166, Wix 33263.

What air filter does the Yanmar 3TNE78A use?

The Yanmar 3TNE78A uses air filter part numbers Yanmar 12908712510, Yanmar 11965512560L, Yanmar 12905112530.