12V 55A Alternator 3A611-74013 for Kubota Engine D722 D1703 D1803 V2203 D1503 V2003 V2403 V2607 Tractor L3240 L3710 L4240 L5240
Stop unexpected breakdowns and costly downtime with a drop-in replacement Kubota alternator...
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<p>Stop downtime from failing alternators on your Kubota tractor or front mower — this genuine-spec 40A 12V alternator 16241-64013 delivers stable charging even under heavy accessory loads and extended operation.</p> <ul> <li><strong>Exact OEM fit</strong> for Kubota D722–D1505, V1305–V1505, WG752–WG1005, and Z482 engines — no bracket mods or wiring hacks needed</li> <li>Belt pulley diameter is precisely 68mm (critical for tension & alignment — a common mismatch point with low-tier replacements)</li> <li>T-plug connector and 138mm mounting hole spacing match factory specs, ensuring seamless integration with B1550D/E, B1750HST-E, F2690E, and KX41–KX91 series machines</li> <li>Backed by XUNPO’s 6-month warranty and pre-shipment performance testing — so you’re not gambling on first-run reliability</li> </ul>
| Parameter | Details |
|---|---|
| Part Name | 40A 12V Alternator |
| Part Number (OEM Reference) | 16241-64013 |
| Brand Compatibility | Kubota |
| Machine Model Fitment | B1550D, B1750E, B21, B2100D, B2910HSD, F2260, F2690E, KX41-2, R310, and 40+ more models — see full list below |
| Voltage | 12V |
| Amperage | 40A |
| Belt Pulley Diameter | 68mm |
| Plug Type | T plug |
| Mounting Hole Diameter | 138mm |
| Condition | New Aftermarket |
| Warranty | 3–12 months against manufacturing defects |
| Packaging | Original sealed box with anti-static foam and reinforced corrugated carton |
| Brand | Applicable Models |
|---|---|
| Kubota Tractor | B1550D, B1550E, B1550HST-D, B1550HST-E, B1750D, B1750E, B1750HST-D, B1750HST-E, B21, B2100D, B2150D, B2150E, B2150HSD, B2150HSE, B2410HSD, B2410HSDB, B2410HSE, B26, B2710HSD, B2910HSD, B7311, B7324, B7500D, B7500DTN, B7500HSD, BX7310, BX7310A |
| Kubota Front Mower | F2260, F2400, F2560, F2560E, F2680E, F2690, F2690E, F3060, F3080, F3680, FZ2100, FZ2400 |
| Kubota Excavator | KX41-2, KX41H, KX61-2, KX71, KX91-2, U17 |
| Kubota Wheel Loader | R310, R310BH |
| Kubota Engine | D722, D782, D902, D905, D1005, D1105, D1105-T, D1305, DF1005, V1305, V1505, V1505-T, WG1005, WG752, WG972, Z482 |
Every hour your Kubota tractor or front mower sits idle due to alternator failure costs real money — especially on tight farming or municipal maintenance schedules. OEM replacements take weeks and cost 40% more. Counterfeit 12V alternators fail within 3–6 months, causing repeated downtime and battery damage. And sourcing one part across multiple Kubota models — from B1550D to F2690E — shouldn’t require calling three different suppliers.
This 16241-64013 alternator is manufactured in ISO-certified factories and tested before shipment for voltage regulation accuracy, load stability at 40A, and thermal performance under continuous duty. With 10 years of global export experience and over 10,000 SKUs in stock, we supply verified electrical components used daily by repair centers maintaining Kubota tractors in North America, Southeast Asia, and the Middle East — no guesswork, no delays.
This alternator powers critical systems on Kubota equipment operating in high-humidity rice paddies, dusty quarry sites, coastal port facilities, and urban landscaping fleets. It maintains stable 12V output under variable engine speeds and intermittent high-load conditions — such as when powering hydraulic PTOs, LED lighting arrays, and GPS guidance systems on modern B-series tractors. A weak or mismatched alternator directly compromises battery life and electronic control module reliability — especially on V1505-powered machines used in multi-shift operations.
The rotor uses precision-wound copper windings with Class H insulation (180°C rated), ensuring consistent output even during extended idling or low-RPM field work. The stator core is laminated silicon steel — not stamped iron — reducing eddy current loss and heat buildup. The T-plug connector features gold-plated terminals and IP65-rated housing to resist corrosion from fertilizer spray and salt mist. Mounting holes are CNC-machined to ±0.1mm tolerance, guaranteeing direct interchangeability with original 16241-64013, 16241-64010, and 16241-64012 units without adapter plates or bracket modification.
A $35 counterfeit alternator may save upfront — but its unregulated voltage spikes can fry ECUs, drain batteries in 2 months, and trigger diagnostic faults that mislead technicians into replacing good sensors. Industry data shows incorrect charging systems cause 22% of unexpected Kubota B-series downtime. When you factor in labor ($85–$120/hr), secondary component damage, and lost productivity (avg. $1,100/day for a rented front mower), the total cost of ownership (TCO) for a non-compliant unit exceeds OEM price within 90 days. Our 16241-64013 alternator meets ISO 8528-3 generator standards and replicates Kubota’s OEM excitation curve — not just physical fit.
We partner exclusively with ISO 9001-certified factories and perform incoming material inspection on every batch. Each 16241-64013 alternator undergoes full-load testing at 40A/12V for 30 minutes prior to shipment. We offer 3–12 month warranty covering all manufacturing defects — no restocking fees, no return shipping charges. With 10 years’ experience exporting to 120+ countries, our technical team has verified over 8,200 Kubota part cross-references. You’ll get accurate compatibility confirmation within 2 hours — not generic “may fit” replies. And our Guangzhou warehouse holds 217 units of this alternator in stock, ready for same-day dispatch.
Your Kubota won’t wait — and neither should your parts order. Send us your machine model (e.g., B1750E), quantity, and destination country. We’ll reply with a competitive quote within 24 hours — and first-time buyers can request a sample for bench testing before bulk purchase. Every day delayed means more battery degradation and higher risk of complete electrical system failure.
Q: Is this an original Kubota part or an aftermarket replacement?
A: This is an OEM-equivalent aftermarket alternator, produced in ISO 9001-certified factories and tested to meet Kubota’s original voltage regulation and thermal performance specifications.
Q: How do I confirm if 16241-64013 fits my exact machine?
A: Provide your full model number (e.g., F2690E) and serial prefix — our technical team will verify compatibility and cross-reference against Kubota service bulletins within 2 hours.
Q: What is the warranty period?
A: 3–12 months depending on usage conditions; covers manufacturing defects only — including rotor winding failure, regulator malfunction, and terminal corrosion under normal operation.
Q: What is the minimum order quantity?
A: 1 piece. We support single-unit orders for emergency repairs, diagnostics, and sample validation.
Q: How fast can you ship?
A: In-stock units ship within 2–5 working days. Express options (DHL/FedEx) deliver to most countries in 3–7 business days with full tracking.
Q: Can I receive a sample before placing a bulk order?
A: Yes — first-time customers may request one unit for functional testing. Sample fee is refundable against first bulk order.
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