12V Starter Motor 129136-77011 for Yanmar Engine 3TNE84 3TNE88 3TNV84 3TNV88 4TNE84 4TNE88 4TNV84 4TNV88
Get reliable starting power for your Yanmar engine with the 129136-77011 starter...
Starter Motor AT318141 (cross-reference), 12V 15-Tooth β in stock at our Guangzhou warehouse and ready to ship as a replacement for Yanmar 3TNV88F, 4TNV88C and John Deere 30G, 35G, 50G excavators.
Single-unit emergency orders ship immediately from available stock.
Stocked for Immediate Dispatch β Guangzhou warehouse holds this 12V starter motor on the shelf, so a single emergency unit ships within days rather than weeks.
| Parameter | Value |
|---|---|
| Product Type | Starter Motor |
| Part Number | AT318141 |
| Cross-Reference | AT318141 (reference only) |
| Machine Fitment | John Deere 30G, 35D, 35G, 50D, 50G, 312GR, 314G, 316GR, 317G, 318G, 184G, 204G, 304G |
| Engine Fitment | Yanmar 3TNV88F, 4TNV88C, 4TNV86CHT, 4TNV86CT |
| Voltage | 12V |
| Drive Teeth | 15 Teeth/Splines |
| Condition | New Aftermarket |
| Quality Standard | ISO 9001 |
| Warranty | 3β12 months against manufacturing defects |
| Failure Symptom | Replacement Urgency |
|---|---|
| Engine cranks slowly or fails to turn over entirely | Immediate β machine is non-operational on site |
| Clicking sound from starter solenoid but no rotation | High β indicates internal contact wear, failure imminent |
| Intermittent engagement after cold starts overnight | Scheduled β replace at next service window before total failure |
| Starter spins freely without engaging flywheel | Immediate β drive gear or overrunning clutch failure |
Confirm fitment from a photograph and get the 12V starter motor AT318141 dispatched before the end of the working day.
A compact excavator sitting idle on an urban construction site or a port terminal costs the operator revenue with every passing hour. The typical delay chain begins with an unreadable nameplate, moves through uncertain part identification, and ends with waiting for a supplier to confirm stock status that may itself be outdated. On a John Deere 35G or similar compact machine, the starter motor is a common wear item in high-cycle applications where frequent start-stop operation accelerates brush and solenoid degradation. [NEED_CITE: starter motor service life reduction under high-frequency cycling in compact equipment] The result is a machine that arrived at the site under its own power yesterday but refuses to turn over this morning, and the repair window is already slipping.
This 12V starter motor AT318141 is held as a stock item in our Guangzhou warehouse precisely because it covers a wide range of Yanmar-powered John Deere compact excavators and loaders. When the machine model is your only starting point β perhaps the nameplate is corroded by salt air at a port facility or painted over during a previous overhaul β our technical team can confirm compatibility from a clear photograph of the existing unit or simply from the machine serial number. The 15-tooth drive gear and 12V electrical specification must align with the Yanmar 3TNV88F or related engine variant installed in your machine, and this verification happens before the order is processed, not after the part arrives on your bench. [NEED_CITE: importance of pre-dispatch fitment verification for aftermarket starter motors]
From Guangzhou, express courier services deliver to most international destinations within a matter of days, while air freight provides a cost-effective alternative for slightly larger or heavier consolidated shipments. The dispatch window from our warehouse is typically within working days of order confirmation for in-stock items, meaning the total lead time is dominated by the chosen freight method and destination customs clearance rather than supplier processing. Every shipment includes real-time tracking, and packing photographs are shared before dispatch so you can verify condition and labeling. For a workshop supervisor managing a customer deadline or a site foreman whose excavation schedule depends on that 35G being operational, this transparency in transit timing is as critical as the part itself. [NEED_CITE: international air freight transit benchmarks for small machinery components]
The 12V rating matches the standard electrical architecture of compact Yanmar engines in the 3TNV88F and 4TNV88C family, where the charging system and battery bank are configured for this voltage class. The 15-tooth drive gear engages the flywheel ring gear, and this tooth count must match precisely β a different count will either fail to mesh or cause immediate damage to the ring gear teeth upon engagement. The engine fitment range spanning 3TNV88F through 4TNV86CT reflects the shared starter mounting pattern and flywheel housing configuration across these Yanmar variants, which John Deere uses across multiple compact excavator and loader models. Understanding that the same starter platform serves engines from three to four cylinders helps explain why a single part number can cover machines as varied as the 30G mini excavator and the 318G compact wheel loader.
Ordering the wrong starter motor does not just delay the repair β it creates a cascade of additional downtime. The incorrect unit arrives, the technician discovers the mounting bolt pattern or drive gear tooth count is wrong during installation, and the machine remains dismantled in the workshop while the return and reorder cycle begins. For a contractor working against a project deadline, or a rental company whose customer is billing by the day, this second waiting period often exceeds the first because the machine is now partially disassembled and cannot even be moved. The 15-tooth specification and the specific Yanmar engine compatibility must be locked in before any purchase decision is made. [NEED_CITE: downstream cost impact of incorrect aftermarket part fitment on equipment downtime]
Our own production lines and qualified external manufacturing partners operate under a single warranty framework, so the AT318141 starter motor carries consistent quality assurance regardless of which facility assembled it. Eight product categories mean that if your repair also requires a seal kit, filters, or an alternator, everything ships in one consignment from one account. One-piece minimum order quantity removes the barrier for a single emergency replacement β no need to justify a bulk purchase when one machine is down. The Guangzhou warehouse maintains stock depth on high-failure-rate items like starter motors specifically to serve urgent breakdown situations. Part identification works from a part number, a machine model, or a photograph of the old unit, whichever is available on your shop floor.
Send the part number you have, the machine model and serial number, or simply a photograph of the existing starter motor and its nameplate. Our team will confirm whether this 12V starter motor AT318141 fits your specific Yanmar engine variant, verify current stock position, and quote the fastest available shipping option to your location with an expected arrival window.
Q: Is this 12V starter motor currently in stock and ready to ship? A: The AT318141 is maintained as a stock line in our Guangzhou warehouse because it covers a broad range of Yanmar-powered John Deere compact machines. Stock status is confirmed at the moment of your inquiry, and dispatch typically follows within working days. For a definitive answer on your timeline, send your destination so we can quote transit options alongside availability.
Q: What is the minimum quantity I can order for a single emergency repair? A: One piece. There is no minimum order quantity requirement for this starter motor or any other item in our catalog. A single emergency replacement for a downed 35G or 318G ships on the same terms as a bulk order, which matters when a machine is sitting non-operational on your site or in your workshop.
Q: How fast can I receive the starter motor at my location? A: Transit time depends on your destination and the freight method chosen. Express courier services provide the fastest door-to-door delivery for a single unit, while air freight offers a balance of speed and cost. We quote the expected arrival window at the time of order based on your specific location, so you can plan the repair schedule with a known timeline.
Q: My nameplate is worn or painted over β can you still identify the correct part? A: Yes. Send a photograph of the existing starter motor showing its overall shape, mounting flange, and drive gear. Our technical team cross-references these visual details against the machine model and known Yanmar engine configurations to confirm the correct 15-tooth, 12V specification before any order is placed, preventing a wrong-part situation.
Q: What happens if the starter motor arrives and does not fit my machine? A: Fitment verification occurs before dispatch using whatever information you can provide β part number, machine model, serial number, or photographs. In the event that a supplied unit does not match despite this verification, our warranty covers manufacturing defects for 3 to 12 months, and our technical team will work to resolve the discrepancy promptly.
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.
Fill in your details and we'll respond within 24 hours with a competitive quote.
Explore more high-quality excavator and heavy equipment parts from XUNPO.
Get reliable starting power for your Yanmar engine with the 129136-77011 starter...
Fuel Shut-Off Solenoid AM882277, 12V DC with Brass Housing β compatible with...
129242-77010 129608-77010 Starter Motor, 12V 1.4 kW, 11T β compatible with Yanmar...
Glow Plug 185366250, M10Γ1.25 thread, 85.5 mm length β compatible with Perkins...