Alternator

12V 55A Kubota Alternator 3A611-74013 for D722, V2203 & L3240 Tractors

<p>Stop unexpected breakdowns and get your Kubota tractor back to work fast — this <strong>12V 55A Kubota alternator 3A611-74013</strong> delivers stable charging output even under heavy load or extreme duty cycles, just like OEM but without the wait or markup.</p> <ul> <li>Fits 15+ Kubota engine variants including D722, V2203, and L3240 — plus Massey Ferguson MF-1547, Agco ST40X, Challenger MT285 Hydro, and more</li> <li>Direct replacement for 32+ part numbers (including 1G728-64013 and TA043-74012), so you won’t waste time cross-referencing or ordering wrong</li> <li>Features precision-matched voltage regulation and thermal-rated diodes — critical for maintaining battery health on high-hour farm or rental fleet machines</li> <li>Ships same day from our Guangzhou warehouse with real-time tracking — no more guessing when your urgent repair part will arrive</li> </ul>

Lead Time

2-5 Days

Warranty

3-12 Months

Min. Order

1 Piece

Ships To

120+ Countries

12V 55A Kubota alternator alternator 3A611-74013 Kubota alternator Kubota alternator 1G728-64013 replacement Kubota alternator for L4240 L5240 Kubota L3240 alternator replacement Kubota tractor alternator 3A61174013 Kubota V2203 D722 alternator

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Product Details

Especificaciones del producto

Parámetro

Detalles

Nombre de la pieza

Número de pieza (Referencia OEM)

Compatibilidad de Marca

Ajuste del modelo de máquina

Condición

Garantía

3–12 meses contra defectos de fabricación

Embalaje

Alternator
3A611-74013, 1G728-64013, TA043-74012, 3606220M91, 101211-2200, 146-06127, 90-29-5459, and 28+ cross-references
Kubota, Massey Ferguson, Iseki, Husqvarna, Challenger, AGCO, Thomas Equipment
Kubota L3240, L3430, L3540, L3710, L3940, L4240, L4310, L4330, L4610, L4630, L4740, L5030, L5240, L5740, M4900, M5700; R420S/R430/R520S wheel loaders; MF-1547, MF1533, MF1529, MF1532H, MF1540; TG5390; HUV 4421 DXL; MT265, ST34A, ST35X, T95, and more
Electrical Rating 12V, 55A output
New aftermarket
Original retail box with protective foam insert

Modelos Compatibles

Marca

Modelos aplicables

Kubota Tractor

L3240HSTC, L3240HSTC-3, L3430DT/GST/HST(C), L3540HSTC, L3540HSTC-3, L3710DT-HST-C, L3940HSTC, L3940HSTC-3, L4240HSTC, L4240HSTC-3, L4310DT-GST-C/HST-C, L4330DT/GST/HST(C), L4610DT-HST-C, L4630DT/GST(C)/HST, L4740HSTC, L4740HSTC-3, L5030GST/HST(C), L5240HSTC, L5240HSTC-3, L5740HSTC, L5740HSTC-3, M4900-CAB, M4900DT-CAB, M5700-CAB, M5700DT-CAB, M5700HDC
Kubota Wheel Loader R420S, R430, R520S
AGCO Tractor ST34A, ST35, ST35X, ST40, ST40X, ST34A 4WD, ST34A 4WD Hydro, ST35-4, ST35-4 Hydro, ST35-4 Shuttle, ST35X-4, ST40-4, T40-4 Hydro, ST40-4 Shuttle, ST40X-4
Challenger Tractor MT265, MT265B, MT285 Hydro
Husqvarna Utility Vehicle HUV 4421 DXL
Iseki Tractor TG5390
Massey Ferguson Tractor MF-1547, MF 1533, MF 1529, MF 1532H, MF 1540
Thomas Equipment Skid Steer T95

Tired of Alternator Failures on Your Kubota L3240 or V2203 Engine? Get the Reliable 12V 55A Kubota Alternator 3A611-74013 Today

Every hour your Kubota tractor sits idle due to a failed alternator costs hundreds — sometimes thousands — in lost productivity, rental fees, or missed deadlines. Counterfeit or low-grade alternators often fail within weeks, causing repeated downtime and unexpected labor costs. OEM replacements take 2–4 weeks and cost up to 50% more, while sourcing across multiple suppliers delays repairs even further.

Calidad equivalente a OEM, lista para enviar desde el almacén de Guangzhou

This 12V 55A Kubota alternator meets OEM electrical and mechanical specifications for models including D722, V2203, and L3240. Built in ISO-certified factories and tested before shipment, it delivers stable voltage regulation under high-load field conditions — critical for hydraulic control systems, lighting, and electronic monitoring on modern tractors. With 10 years’ experience supplying Kubota replacement parts globally, XUNPO ensures consistent fit, function, and reliability across all listed engine and machine variants.

Dónde funciona esta pieza

This alternator powers essential systems on agricultural tractors, compact utility loaders, and industrial skid steers operating in demanding environments: dusty fields, humid coastal ports, rocky quarry sites, and cold northern farms. It sustains continuous 55A output during extended PTO operation, loader lifting cycles, and GPS-guided precision farming — where voltage drop or intermittent charging can disable telematics, hydraulics, or safety interlocks. Kubota alternator 3A61174013 is engineered for these real-world duty cycles.

Detalles de ingeniería que importan

The rotor uses high-purity copper windings and precision-balanced laminated steel cores to minimize vibration and heat buildup at RPMs up to 12,000. The stator features Class H insulation rated to 180°C, resisting thermal degradation during prolonged high-load operation. Internal rectifier diodes are rated at 80A peak surge capacity — well above nominal 55A demand — ensuring long-term stability. Shaft runout is held to ≤0.05mm per ISO 1940 standards, guaranteeing smooth engagement with the drive pulley. All housings undergo zinc-nickel electroplating for corrosion resistance in salt-spray and chemical exposure conditions.

El verdadero costo de las piezas incorrectas

A $20 counterfeit alternator may save upfront but typically fails within 3–6 months — triggering repeat service calls, diagnostic labor ($120–$200/hr), tow fees, and production losses exceeding $1,500/day. In contrast, this Kubota alternator 1G728-64013 replacement is built to ISO 9001 and tested to OEM voltage regulation tolerances (±0.25V at 12V nominal). Its total cost of ownership over 3 years is up to 60% lower than low-tier alternatives when factoring in uptime, warranty coverage, and reduced maintenance frequency. Choosing correctly means fewer failures, no rework, and predictable operational budgets.

Por qué los clientes confían en XUNPO

We partner exclusively with ISO 9001-certified manufacturers and perform incoming material inspection on every batch. Every alternator undergoes full-load performance testing at 12V/55A before shipping. We offer 3–12 month warranty covering manufacturing defects — no questions asked. With 10 years exporting to 120+ countries, our technical team verifies part compatibility within 2 hours using official OEM schematics and cross-reference databases. Our Guangzhou warehouse holds 10,000+ SKUs in stock, including this 12V 55A Kubota alternator — ready for same-day dispatch. And with 20+ industry specialists on staff, we speak your language: engineering, not marketing.

Packaging & Shipping

  • Individually boxed with molded EPE foam and moisture-resistant carton
  • Los artículos en stock se envían dentro de 2 a 5 días hábiles después de la confirmación del pedido

    Logística flexible: opciones de mensajería exprés DHL/FedEx/UPS, carga aérea o carga marítima

    Número de seguimiento en tiempo real proporcionado al despachar

  • MOQ is just 1 piece — ideal for urgent field repairs

Get Your Kubota Alternator Replacement Now

Your Kubota L3240 or V2203 engine shouldn’t wait weeks for an alternator. Send us the part number (e.g., 3A611-74013), your machine model, and required quantity — you’ll receive a competitive quote within 24 hours. First-time buyers can request a sample for functional testing before bulk ordering. Every day delayed is revenue lost; let’s get your equipment back online fast.

Preguntas Frecuentes

Q: Is this an original Kubota part or a replacement?

A: This is an OEM-equivalent aftermarket alternator, manufactured in ISO 9001-certified facilities to match Kubota’s electrical, dimensional, and performance specifications.

Q: How do I confirm this fits my specific Kubota L4240 or Massey Ferguson MF1540?

A: Provide your exact machine model and serial prefix (if known), and our technical team will verify compatibility within 2 hours using OEM service manuals and cross-reference data.

P: ¿Cuál es el período de garantía?

A: 3–12 months from date of delivery, covering defects in materials or workmanship. Defective units are replaced free of charge.

P: ¿Cuál es la cantidad mínima de pedido?

A: Only 1 piece — no bulk requirement. Ideal for emergency repairs or small fleet operators.

Q: How soon can I receive it after ordering?

A: In-stock items ship within 2–5 working days. Express courier delivery time depends on destination (typically 3–7 days worldwide).

Q: ¿Puedo solicitar una muestra antes de realizar un pedido al por mayor?

A: Yes — first-time customers may request a sample for functional validation. Contact us via WhatsApp or email to arrange.

Ready to order or need a quote?
Send your part number, machine model, and quantity — we’ll respond within 24 hours.
WhatsApp: +86 187 2205 7128 | Email: talos@xunpojx.com

Compatible Brands

CAT KOMATSU HITACHI VOLVO HYUNDAI DOOSAN KOBELCO SANY XCMG

Our parts are engineered to meet or exceed OEM specifications. Please provide your machine model number and serial number when inquiring to confirm exact compatibility.

How to Confirm Compatibility

  1. 1

    Find Your Machine Model

    Locate the model plate on your machine, typically near the cab or engine compartment.

  2. 2

    Note the Part Number

    Check your parts manual or existing part for the OEM part number.

  3. 3

    Contact Our Team

    Our technical team verifies compatibility within 2 hours. Send us the details via the inquiry form or WhatsApp.

Shipping Information

Express Shipping

DHL, FedEx, UPS -- 3-7 business days worldwide

Sea Freight

Cost-effective option for bulk orders -- 15-35 days

Real-Time Tracking

Tracking number provided after shipment. 24/7 support available.

Warranty Policy

3-12
Months Warranty

All parts come with manufacturer warranty. Duration varies by product category.

  • Manufacturing defects covered in full
  • Free replacement or full refund for defective parts
  • Post-delivery technical support included
  • Sample testing available for first-time buyers

ISO Certified Quality

All parts sourced from ISO-certified factories with strict QC processes and material traceability.

Competitive Pricing

Save 30-50% vs OEM prices without compromising quality. Transparent pricing with no hidden fees.

Fast 2-5 Day Shipping

Large Guangzhou warehouse with 10,000+ SKUs in stock. Most orders ship within 2-5 business days.

10+ Years Experience

20+ professionals with deep technical knowledge serving 1,000+ clients across 120+ countries.

24/7 Technical Support

Dedicated support team available around the clock. Part verification within 2 hours of inquiry.

Global Reach

Flexible shipping solutions including express and sea freight to 120+ countries with real-time tracking.

Need a Custom Quote?

Our technical team responds within 24 hours. MOQ 1 piece. Ships to 120+ countries from our Guangzhou warehouse.