Facts About Generators
GeneratorsDirectoryCompareRepairEnginesControllersPartsManufacturersGuides
Search models or part #
Home›Engines›Yanmar 4TNV84T-BGGE

Yanmar 4TNV84T-BGGE Engine

The Yanmar 4TNV84T-BGGE is a 2 L 4-cylinder turbo-charged engine rated at 1800 rpm, producing up to 38 kW. It powers generator sets from Aurora Generators and Westquip, including the AGi24Y-E and WQ25.

Also known as: Yanmar 4TNV84T-BGGE

Part of the Yanmar 4TNV84T engine family — 5 variants share parts & fitment.

2.0 L
Displacement
4
Cylinders
1800 rpm
Rated speed
38 kW
Gross power
On this pageSpecsGenerator setsMaintenanceFAQService intervalsTorque & specs

Engine specifications

Displacement2.0 L
Cylinders4
AspirationTurbo-charged
Rated speed1800 rpm
Gross power38 kW

Generator sets powered by this engine

2

Shared across brands: Aurora Generators, Westquip

Aurora Generators AGi24Y-EWestquip WQ25

How to read your Yanmar engine serial & model number →

Maintenance schedule

ItemSpecCapacityPart #Interval
Oil7.4 L—500 hr

Pooled from every document that names this exact engine — confirm the interval and part number against your unit's serial number.

Service intervals

1
ItemActionHoursMonthsNotes
Engine oilChange500 hr500 hour oil change interval

Extracted from the manufacturer documentation linked to this model. Values are copied as printed; confirm against your unit's manual and serial number.

Service specifications

2
TypeItemValueUnitCondition
SpeedMechanical governor control3-5%
VoltageVoltage regulation+/- 1%

Extracted from the manufacturer documentation linked to this model. Values are copied as printed; confirm against your unit's manual and serial number.

Parts cataloged across the Yanmar 4TNV84T family

79
Part #DescriptionCategory
129508-01330GASKET, HEADGasket
129795-01950Knock PipeHose
171031-11741PIPE, FILLERHose
0024-1Location and Description of Major ComponentsService part / kit
01-21506-1Resistor Assembly (P/N 01-21506-1)Service part / kit
01-21506-2Resistor Assembly (P/N 01-21506-2)Service part / kit
119620-01750PlugService part / kit
119640-01640Drain Plug M22 x 1.5Service part / kit
119802-01520FLANGE, GEAR CASEService part / kit
119802-01561STUD, M8X25Service part / kit
119802-32100COVER ASSY, PUMPService part / kit
119802-32130SCREW, M6X16Service part / kit
121023-01551COVER, TACHOMETERService part / kit
124060-01050PLUG, PT1/8Service part / kit
124160-01751CAP, FILLERService part / kit
124160-01910PLUG, PT1/4Service part / kit
124240-01871CoverService part / kit
129001-01250PLUG, 50Service part / kit
129001-02931BEARING, MAINService part / kit
129001-32330PLUGService part / kit
129100-01580PIN, PARALLEL 8X16Service part / kit
129150-01200Cylinder Head BoltService part / kit
129150-02871BEARING, 0.25 USService part / kit
129150-02931BEARING, THRUSTService part / kit
129150-02941BEARING, THRUST 0.25Service part / kit
129400-01730Oil Sump SpacerService part / kit
129418-32320SPRINGService part / kit
129486-01670BOLT, M8X30Service part / kit
129508-32111ROTOR, INNERService part / kit
129508-32120ROTOR, OUTERService part / kit
129688-01780OIL PAN ASSYService part / kit
129795-02412BUSH, CAMSHAFTService part / kit
129900-32130Relief ValveService part / kit
171051-01921PLUG, NPTF1Service part / kit
171420-01600Flywheel HousingService part / kit
23876-030000PLUG, R03Service part / kit
23876-040000PLUG, R04Service part / kit
26106-060162BOLT, M6X 16 PLATEDService part / kit
26106-080162Bolt, M8 x 16 PlatedService part / kit
26106-080252Bolt, M8 x 25 PlatedService part / kit
26106-080352Bolt, M8 x 35 PlatedService part / kit
26106-080452BOLT, M8X 45 PLATEDService part / kit
26106-080502Bolt, M8 x 50 PlatedService part / kit
26106-080552Bolt, M8 x 55 PlatedService part / kit
26206-100252Bolt, M10 x 25Service part / kit
26206-100302Bolt, M10 x 30Service part / kit
26306-080002Yammer 4TNV98-GGE engine componentService part / kit
729508-01560BLOCK ASSY, CYLINDERService part / kit
729533-01500CASE ASSY, GEARService part / kit
88-20305-1Varistor Wires L1 (P/N 88-20305-1)Service part / kit
88-20305-3Varistor Wires L3 (P/N 88-20305-3)Service part / kit
88-20305-5Varistor Wires L0 (P/N 88-20305-5)Service part / kit
88-22106Resistor-Diode AssemblyService part / kit
88-22119-14. . TERMINAL, LUG .......................Service part / kit
88-22120Control Panel HolderService part / kit
88-22123. CABLE, BATTERY (NOT SHOWN) ....Service part / kit
88-22179. . LEAD, STORAGE, BATTERY (NOT SHOWN) ....................................Service part / kit
88-22179-3. . INSULATION, SLEEVING MAKE FROM P/N M23053/5-110-2 (81349), AS REQUIRED ............................Service part / kit
88-22179-4. . INSULATION, SLEEVING MAKE FROM P/N M23053/5-110-9 (81349), AS REQUIRED ............................Service part / kit
88-22311Battery Cable AssemblyService part / kit
88-22418-2Diode AssemblyService part / kit
88-22469Cord, Load WrenchService part / kit
88-22550Transducer AssemblyService part / kit
88-22594Baffle InsulationService part / kit
88-22595Front Housing InsulationService part / kit
88-22631Resistor Assembly, VoltService part / kit
88-22758Capacitor Assembly, EMIService part / kit
88-22792Fuel Level Switch AssemblyService part / kit
AA-52425-1. ADAPTER, BATTERY TERMINAL POSITIVE ..................................Service part / kit
AA-52425-2. ADAPTER, BATTERY TERMINAL NEGATIVE ..........................................Service part / kit
119802-32070COVER, OIL PUMPPump
119609-32040O-Ring, P16Seal
119934-01800Seal, OilSeal
121850-51960O-RingSeal
129648-01600CASE ASSY, OIL SEALSeal
129648-01780SEAL, OILSeal
22190-220002Seal Washer 22SSeal
24311-000320O-RING, 1AP32.0Seal
24341-000240O-RingSeal

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

21
119802-32100 Amazon eBay $124.99 KuduParts $90.00 FridayParts $92.40 119802-32111 Amazon eBay $115.00 FridayParts $79.28 119802-32120 Amazon eBay $193.61 FridayParts $79.28 72958451300 FridayParts $820.99 129508-33010 FridayParts $199.99 129242-55720 Amazon eBay FridayParts $39.89 119802-21660 Amazon eBay FridayParts $299.89 129508-01330 Amazon eBay $65.24 FridayParts $65.99 129612-44700 Amazon eBay FridayParts $95.00 4TNV88-AN FridayParts $95.00 4TNV88-BN FridayParts $95.00 4TNV88-HN FridayParts $95.00 129508-22900 eBay $125.86 FridayParts $79.99 129150-01200 Amazon eBay FridayParts $94.69 129601-11700 Amazon eBay $457.75 FridayParts $599.99 729402-23100 Amazon eBay FridayParts $89.50 119802-55810 Amazon eBay $21.73 FridayParts $24.89 129508-22080 FridayParts $80.96 129155-49800 Amazon eBay $19.69 KuduParts $14.00 FridayParts $16.00 SinoCMP $45.00 129407-21000 Amazon eBay $569.05 FridayParts $450.00 FP-XP-0020176

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

Also used in

7
  • Landini MISTRAL 55 — Tractor
  • Mccormick GM45 — Tractor
  • Mccormick GM55 — Tractor
  • Mccormick GX55-H — Tractor
  • Mustang 2044 — Skid Steer Loader
  • New Holland T3020 — Tractor
  • New Holland T3040 — 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 4TNV84T-BGGE?

The Yanmar 4TNV84T-BGGE has a displacement of 2.0 liters with 4 cylinders.

Which generators use the Yanmar 4TNV84T-BGGE engine?

The Yanmar 4TNV84T-BGGE powers 2 generator set(s), including Aurora Generators AGi24Y-E, Westquip WQ25.

How often should you change the oil in the Yanmar 4TNV84T-BGGE?

The Yanmar 4TNV84T-BGGE oil change interval is every 500 hours.