Engine Auxiliary Components
12V 11T Starter Motor 129242-77010 | In Stock for Yanmar 3TNV82 3TNV88
ISO Certified Quality Assured
2-5 Day Ship Fast Dispatch
3-12 Mo. Warranty
Engine Auxiliary Components 129242-77010 12V 11T For Yanmar

12V 11T Starter Motor 129242-77010 | In Stock for Yanmar 3TNV82 3TNV88

Starter Motor 129242-77010, 12V 11T — replacement for Yanmar 3TNV82, 3TNV88 and compatible diesel engines. Held in Guangzhou warehouse stock for immediate dispatch when your machine is already down.

  • Identify the correct unit from a machine model or nameplate photo when the original label is worn
  • Single-piece order accepted for emergency breakdown repairs
  • Arrival timing quoted by courier, air or sea before you commit

Dispatch from stock today with warranty terms confirmed in writing at shipment.

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 Ship — Guangzhou warehouse holds this 12V starter motor for Yanmar engines, dispatching within one business day of order confirmation without batch accumulation delays.

Technical Specifications

Parameter Value
Part Number 129242-77010
Product Type Starter Motor
Cross-Reference 129608-77010, YM129608-77010, 129608-77011, YM129608-77011, 12924277010, YM129242-77010, 12969877010, YM129698-77010, NL-129608-77010, 129242-77050 (reference only)
Machine Fitment Yanmar 3TNV82, 3TNV88, 3TNV82A, 3TNE88, 4TNE88, 3TNE68, 3TNE74, 3TNE78A, 3TNE82A, 3TNE84, 4TNE84, 4TNE84T, 2YM15, 3JH25A, 3JH3, 3JH30A, 3JH40, 4JH3, 4JH3E, 4JH4E, 4JH5E, NL484, NL488 series
Voltage 12V
Power Output 1.4kW
Pinion Teeth 11T
Rotation CW
Condition New Aftermarket
Warranty 3-12 months against manufacturing defects
Manufacturing Standard ISO-certified partner facilities

Application Suitability

Failure Symptom Replacement Urgency
Engine cranks slowly or fails to turn over Immediate — machine sits idle until starter engages reliably
Clicking sound from starter solenoid with no crank Same-day replacement needed to restore site operations
Intermittent starting that worsens in cold conditions Schedule swap within current work shift before total failure
Burnt smell or smoke from starter housing Immediate shutdown and replacement to prevent wiring damage
Starter spins but does not engage flywheel Urgent — pinion or bendix mechanism has failed

Why Machines Sit Idle Waiting on a Starter Motor

Most delays come from part number confirmation, not from shipping.

A machine goes down on a Tuesday afternoon. The nameplate is faded, painted over, or missing entirely. The site supervisor sends a photo at dusk, hoping someone can read the model from the engine block casting. By the time the part number is confirmed through three different cross-reference tables, two working days have passed — and the excavator or generator has been producing nothing the entire time [NEED_CITE: equipment downtime cost factors in construction operations]. This 12V 11T Starter Motor 129242-77010 in stock fast shipping solves that specific bottleneck: the unit sits on a shelf in Guangzhou, ready to move the moment identification is complete.

The problem compounds when a supplier requires minimum order quantities that make no sense for an emergency. One machine down needs one starter, not a batch of five. Waiting to accumulate orders or meet a threshold turns a quick fix into a week-long standstill.

12V Starter Motor 129242-77010 for Yanmar 3TNV82 ready for dispatch

Stock Availability and Part Number Confirmation

This starter motor is a common fast-failure component across the Yanmar 3TNV and 3TNE engine families, which is why it stays stocked rather than built to order. When a workshop or site team needs a 12V Starter Motor 129242-77010 in stock fast shipping, the confirmation process starts with whatever information is available — a worn part number, an engine model like 3TNV88, or simply a photograph of the old unit still bolted to the block. Cross-referencing covers superseded numbers such as 129608-77011 and alternate formats like YM129242-77010, so identification does not stall over formatting differences.

Arrival Timing and Freight Options

Getting the right part identified is only half the problem; knowing when it arrives closes the loop. Freight options are quoted at the same time as the part itself — courier for next-day airport-to-airport on urgent breakdowns, air freight for regional destinations where same-week arrival is acceptable, and sea freight for planned stock replenishment where cost matters more than speed. The 12V Starter Motor 129242-77010 in stock fast shipping means the dispatch clock starts immediately after order confirmation, not after a production lead [NEED_CITE: international aftermarket parts freight options and transit windows]. Packaging is built for courier handling, with protective cradling around the pinion gear and solenoid housing to survive sorting facilities without cosmetic or functional damage.

Reading the Specifications That Actually Matter

The 12V rating matches the standard electrical system across Yanmar's compact diesel range, from the 3TNV82 in mini-excavators to the 4TNE88 in larger wheel loaders and marine gensets. The 1.4kW output provides sufficient cranking torque to overcome compression in these three- and four-cylinder engines, including cold-start conditions where oil viscosity adds rotational resistance. The 11-tooth pinion must match the flywheel ring gear exactly — a worn or damaged ring gear can cause premature pinion wear even on a new starter, which is why checking the ring gear teeth during replacement is standard practice. Clockwise rotation aligns with the standard Yanmar engine layout. The new aftermarket condition means all internal components — brushes, bearings, solenoid contacts — are at full service dimension rather than reconditioned from worn cores.

Starter motor pinion gear and mounting flange detail for Yanmar fitment

The Cost of Getting the Wrong Starter Shipped Out

Ordering from a listing that does not verify compatibility against your specific engine variant means discovering the mismatch only when the unit arrives on site. The bolt pattern might align, but the pinion sits too far from the ring gear, or the solenoid terminal orientation faces the wrong direction for the existing wiring harness. The machine stays down through a return shipment and a second dispatch — easily doubling the original downtime window [NEED_CITE: impact of incorrect part identification on equipment repair timelines]. In remote job sites or marine applications, that second wait can stretch from days into weeks depending on freight availability.

Why Source This Starter Motor Here

Single-piece orders ship without minimum quantity barriers, which is exactly what a breakdown requires. Guangzhou warehouse stock means this starter moves from shelf to courier within one business day, not after a production cycle. Part identification works from a part number, engine model, photograph, or nameplate image — whichever is available from the field. Cross-reference verification covers superseded numbers like 129608-77011 and 129242-77050 so that older machines do not get orphaned. The same warranty terms apply whether the part comes from XUNPO's own production lines or from qualified ISO-certified manufacturing partners, keeping accountability under one account.

Documentation & Verification

  • Commercial invoice listing part number 129242-77010 with declared HS code for customs clearance
  • Cross-reference sheet mapping 129608-77010, YM129608-77011 and alternate numbers (reference only)
  • Bench test record confirming 12V cranking performance before packing
  • Warranty certificate stating coverage period and defect claim procedure
  • Packing photographs showing protective cradling around pinion and solenoid

Stock, Shipping & Arrival

  • Starter motor held in Guangzhou warehouse for same-week dispatch on confirmed orders
  • Courier transit quoted to destination airport at point of inquiry, not after checkout
  • Packaging designed for air freight and express courier handling without repacking
  • Tracking reference provided at dispatch with estimated arrival window by destination region
  • One-piece shipment available — no batch accumulation required before dispatch

Identify Your Starter Before Ordering

Send the part number from the old unit, the engine model plate, or a clear photograph of the starter still mounted on the engine block. If the nameplate is unreadable, a photo of the engine serial number stamping allows cross-referencing against build records to confirm the correct starter variant. Freight options and estimated arrival timing are provided alongside the part confirmation, so the decision to order can be made with complete information.

Frequently Asked Questions

Q: Is this starter motor in stock right now? A: Yes, this 12V starter motor compatible with Yanmar 3TNV82 and 3TNV88 engines is held in the Guangzhou warehouse for immediate dispatch. Stock status is confirmed at the time of inquiry, and the unit ships within one business day of order placement without waiting for batch production or minimum quantity accumulation.

Q: Can I order just one piece for an emergency repair? A: Single-piece orders are accepted and shipped without minimum order restrictions. This matters most on a breakdown where one machine needs one starter — there is no requirement to purchase additional units or wait for other orders to combine before your unit dispatches from the warehouse.

Q: How many days until it arrives at my location? A: Arrival timing depends on destination and selected freight method. Courier services deliver to most international airports within days of dispatch, while air freight suits regional destinations on a same-week basis. The estimated transit window is quoted alongside the part confirmation so you know the arrival date before committing.

Q: The nameplate is worn off — how do I confirm the right part? A: Send a photograph of the engine block, the old starter motor, or any remaining identification markings. The technical team cross-references engine model casting numbers and superseded part numbers to confirm fitment before anything ships, preventing a mismatch that would extend your machine downtime.

Q: What happens if the unit I receive does not fit? A: Compatibility is verified against your engine model or photograph before dispatch. If a fitment issue arises despite this verification, the warranty terms cover manufacturing defects and the support team assists with identification correction and replacement arrangement to get the correct unit to your site.

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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