Engine Auxiliary Components
Emergency Replacement 12V 11T Starter Motor – Fits Yanmar 3TNV82 3YM20
ISO Certified Quality Assured
2-5 Day Ship Fast Dispatch
3-12 Mo. Warranty
Engine Auxiliary Components 129608-77010 12V 11T For Yanmar

Emergency Replacement 12V 11T Starter Motor – Fits Yanmar 3TNV82 3YM20

129242-77010 129608-77010 Starter Motor, 12V 1.4 kW, 11T — compatible with Yanmar 3TNV82, 3YM20, 3TNE88, 4TNE88 and Northern Lights NL484, NL488 engines. Common fast-failure item held in Guangzhou warehouse for 2–5 working day dispatch. One-piece MOQ eliminates minimum-order delays on emergency repairs, and fitment can be verified from your engine model or a nameplate photo when the original label is worn.

  • Ships from stock with arrival timing quoted before you commit

Key Highlights

  • Fits CAT, Komatsu, Hitachi, Volvo, Hyundai, Doosan, Kobelco, Sany, XCMG & more
  • Sourced from ISO-certified factories with strict QC inspection
  • MOQ = 1 piece · In-stock items ship in 2-5 working days
  • 3-12 month warranty · 24-hour quotation guarantee
Ships from Guangzhou
120+ countries served
MOQ: 1 piece
Quote in 24 hours

Ready to Dispatch — Guangzhou warehouse holds this 12V 11T starter motor on the shelf so a single unit can leave within days, not weeks.

Technical Specifications

Parameter Value
Part Number 129242-77010 129608-77010
Product Type Starter Motor
Cross-Reference (reference only) 129608-77010, 129242-77010, 129608-77011, 129242-77050, NL-129608-77010
Machine Fitment Yanmar 3TNV82, 3TNV88, 3TNV82A, 3TNE88, 4TNE88, 3TNE68-HIN, 3TNE74-LW, 3TNE78A-EBE, 3TNE82A-EWA, 3TNE84-G1A, 3TNE84-EIK, 3TNE84-ESA, 3TNE84C-G1A, 3TNE84CEG1A1, 3TNE84CG1A01, 2YM15, 3YM20, 3YM30, 3JH3, 3JH3E, 3JH3E-YEU, 3JH4E, 4JH3E, 4JH3-DTE, 4JH3-DTZ, 4JH3-HTZAY, 4JH3-TZA, 4JH4E, 4JH5E, 4JH80, 4JHYE; Northern Lights NL484, NL488
Voltage 12V
Power Output 1.4 kW
Pinion Gear Teeth 11T
Condition New Aftermarket
Warranty 3–12 months against manufacturing defects
MOQ 1 piece
Standards ISO 9001, SAE J1171

Application Suitability

Failure Symptom Replacement Urgency
Engine cranks slowly or fails to turn over Immediate — machine or vessel is non-operational until replaced
Solenoid clicks but pinion does not engage High — electrical fault prevents any start attempt
Grinding noise during start cycle Urgent — worn pinion gear risks flywheel ring damage
Intermittent starting in cold or damp conditions Moderate — failure will worsen, schedule replacement at next service window
Complete no-start on standby generator Critical — backup power unavailable for facility or vessel

When the Engine Will Not Crank and You Need a 12V Starter Motor 129608-77010 in Stock Fast Shipping

This unit ships from Guangzhou stock within days of order confirmation, not weeks.

A commercial fishing vessel sitting idle at the dock loses revenue every hour its Yanmar 3TNV82 will not fire. A standby generator at a port data center that fails to start during a mains outage puts thousands of operations at risk. In both scenarios, the buyer does not need a catalogue — they need confirmation that the part is physically on a shelf and can move today. Yet suppliers routinely quote lead times that stretch into multiple weeks, or refuse to process an order below a minimum quantity that makes no sense for a single downed machine. [NEED_CITE: maritime vessel auxiliary engine downtime cost benchmarks]

The frustration deepens when the nameplate on the old starter motor is corroded, painted over, or simply missing. The buyer sends a photograph hoping for identification, only to be told the supplier needs a part number before they can even check stock. That exchange alone can consume a day or two across time zones — time the machine is not working.

12V 11T starter motor for Yanmar 3TNV82 and 3YM20 engines

Stock on the Shelf, Not on a Production Schedule

The 12V Starter Motor 129608-77010 in stock fast shipping is held as a ready inventory item in our Guangzhou warehouse, not built to order. This matters because starter motors for Yanmar 3TNV88, 3TNE88, and 4TNE88 families are among the most common fast-failure items across small excavators, marine auxiliary engines, and standby generator sets. We maintain stock depth specifically so a workshop supervisor or vessel engineer can call for a single unit and have it dispatched without waiting for a production run or a consolidated container to fill.

One Piece, One Shipment, No Minimum Barrier

Emergency repairs rarely involve ten units. A rental yard with one skid steer loader down, or an irrigation contractor whose single pump engine has seized its starter — they need exactly one motor, shipped immediately. The one-piece minimum order means no administrative delay while a purchasing department tries to justify a bulk buy for a part they will only use once. You confirm fitment, pay for one unit, and it leaves the warehouse. Freight options covering express courier, air cargo, and sea shipment are quoted at the inquiry stage so the arrival window is known before commitment, not discovered after payment. [NEED_CITE: international express courier transit time benchmarks for industrial spare parts]

Reading the Spec Sheet Against Your Operating Conditions

A 12V system with 1.4 kW output and an 11-tooth pinion gear defines the electrical and mechanical boundary this starter motor operates within. The 12V rating aligns with standard marine and compact equipment battery systems — no voltage converter or relay modification is required on a Yanmar 3YM20 or 3JH3E installation. The 1.4 kW output provides sufficient cranking torque to pull these three- and four-cylinder diesels through compression, even in cooler ambient temperatures where glow plug pre-heat cycles add electrical load. The 11T pinion must match the flywheel ring gear tooth count and module on your specific engine build; a mismatch here causes engagement failure or accelerated tooth wear, so verification against the engine serial number is essential before dispatch. SAE J1171 compliance confirms the unit has been tested against marine-environment moisture and salt exposure standards, which is directly relevant for Northern Lights NL484 and NL488 generator installations on fishing vessels.

Pinion gear tooth engagement detail on Yanmar starter motor

What a Wrong Identification Costs Beyond the Part Price

Ordering a starter motor that does not fit means the machine stays down through a return-and-reship cycle that can stretch across several days. For a vessel at the dock, that is lost charter revenue. For a standby generator at a data center, it means running on UPS reserves with no backup engine available. [NEED_CITE: standby generator failure modes during extended utility outages]

Even a unit that physically bolts on but has the wrong pinion tooth count will produce grinding engagement, damage the flywheel ring gear, and fail prematurely under load. The cost then is not just a replacement motor — it is a flywheel machining or replacement job that adds significantly to the total repair bill and extends the downtime further. Verification from an engine model, serial number, or a clear photograph of the existing nameplate eliminates this entire risk chain before any money changes hands.

Why Buyers Source This Starter Motor Through Us

Our own production lines and qualified sourced partners operate under one account, one warranty, and one quality control standard — so whether the unit in the box came from our facility or a certified partner, the terms are identical.

Eight product categories under a single supplier relationship means if the starter motor failure has revealed a corroded battery cable or a failing alternator, those items can be identified and added to the same shipment without opening a second supplier account.

A one-piece minimum order exists specifically for situations like this — a single downed engine that cannot wait for a batch order to make commercial sense.

Guangzhou warehouse stock enables dispatch of common fast-failure items like this starter motor without waiting for production scheduling or overseas factory lead times.

Part identification works from a part number, an engine model, or a photograph of a worn or painted-over nameplate — whichever is available at the job site. Our technical team cross-references superseded and alternate numbers, including the 129608-77011 and 129242-77050 variants, to confirm what actually fits your engine build before shipping.

Documentation & Verification

  • Commercial invoice and packing list with part number 129242-77010 129608-77010 clearly stated for customs clearance
  • Compatibility sheet listing verified Yanmar and Northern Lights engine models with cross-reference numbers marked as reference only
  • Quality inspection record confirming 12V function test, pinion engagement check, and dimensional verification before dispatch
  • Warranty terms document specifying the 3–12 month coverage period against manufacturing defects
  • Packing photographs showing the unit secured for express or air freight transit
  • HS code and customs documentation support tailored to destination country import requirements

Stock, Shipping & Arrival

  • Current warehouse stock status confirmed at inquiry with real-time shelf count for this 12V 11T starter motor
  • Express courier delivery quoted with specific day-range estimates to your region before payment
  • Air freight option provided for orders exceeding courier weight limits or for cost-sensitive timelines
  • Packaging suited for express transit with impact protection around the pinion gear and solenoid housing
  • Shipment tracking number provided immediately upon dispatch with proactive arrival confirmation
  • After-hours inquiry response maintained to accommodate time zones in the Middle East and other regions

Get the Right Part Moving Today

Send the existing part number, the engine model plate details, or a photograph of the starter motor nameplate — even if it is faded or partially obscured. We will confirm whether this 12V Starter Motor 129608-77010 in stock fast shipping fits your specific Yanmar or Northern Lights engine build, quote the freight method and arrival window, and have the unit packed and ready to leave Guangzhou without delay.

Frequently Asked Questions

Q: Is this starter motor in stock right now? A: Yes, this 12V 11T starter motor is held as a stock item in our Guangzhou warehouse. We confirm real-time availability at the point of inquiry, not from a static catalogue. If you message outside standard business hours, our team responds as quickly as possible to confirm shelf count and dispatch timing so your decision can be made without waiting.

Q: Can I order just one piece for an emergency repair? A: Absolutely. The minimum order quantity for this starter motor is one piece. We built our ordering system around the reality that emergency breakdowns involve a single failed component on a single machine. There is no requirement to meet a bulk threshold or justify a larger purchase before we process and ship your order.

Q: How fast can it arrive by express courier? A: Express courier transit times depend on your destination, but we quote a specific day-range estimate at the inquiry stage before you commit. The unit leaves our Guangzhou warehouse promptly after payment confirmation. We provide the tracking number immediately upon dispatch and monitor delivery progress through to arrival at your location.

Q: The nameplate is unreadable — can I confirm fitment from a photo? A: Yes. Send us whatever you have: a photograph of the old starter motor, the engine model plate, or even a shot of the machine identification sticker. Our technical team cross-references the image against known Yanmar and Northern Lights fitment data, including superseded part numbers, to confirm exactly which unit your engine requires before anything ships.

Q: What happens if the part arrives and doesn't fit? A: Our pre-dispatch verification process — matching your engine model, serial number, and any available photographs against our cross-reference database — is designed to prevent this. If despite verification a fitment issue arises, our warranty terms cover manufacturing defects and our technical team works to identify the correct replacement unit and arrange resolution promptly.

Compatible Brands & Models

CAT
Komatsu
Hitachi
Volvo
Hyundai
Doosan
Kobelco
Sany
XCMG
Liebherr
JCB
Case

Not sure if this part fits your machine? Send us your machine model number and serial number via WhatsApp or email -- our specialists will verify compatibility within 2 hours.

Shipping Information

  • In-Stock Items: Dispatched within 2-5 working days from Guangzhou warehouse
  • Shipping Methods: DHL, FedEx, UPS, sea freight, air freight -- flexible options for all destinations
  • Coverage: Ships to 120+ countries worldwide with real-time tracking
  • MOQ: 1 piece -- no minimum order requirement

Warranty & Quality

  • Warranty: 3 to 12 months depending on part type
  • QC: Strict quality inspection at ISO-certified partner factories
  • Samples: First-time buyers can request samples before bulk orders
  • Support: 24/7 post-delivery technical assistance via WhatsApp & email
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