12V Alternator A187873 for CASE 4391 4390 6590 6591T Engine 170C 220B 480E 580E 590L 584E 585E 2096 4000 5000 5120
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12V Alternator 30-00423-00 for Carrier CT2-29TV, CT3-44TV, X2 Series, 120A Output — replacement for transport refrigeration units requiring reliable charging performance.
In-stock units ship within working days, getting your reefer back online fast.
Stock, Shipping & Arrival — Guangzhou warehouse holds 12V alternator 30-00423-00 units ready for immediate dispatch, single-piece orders included.
| Parameter | Value |
|---|---|
| Part Number | 30-00423-00 |
| Product Type | Alternator |
| Cross-Reference (reference only) | 30-00409-64, 30-00363-00, 30-01114-06, 30-01151-00, LS17139, 4702601, A1737B, 4702610, 4702611, 4702603, 93105, 300042300, 300040964, 300036300, 300111406 |
| Machine Fitment | CT2-29TV, CT3-44TV, CT3/69TV, Genesis R70, Genesis R90, TM800, TM900, Extra XT, Ultima XTC, Maxima 1000, Maxima 1200, Maxima 1200 MT, Maxima 1300, Maxima 1300 MT, Maxima 1550, ULTRA XL, ULTRA XT, ULTRA XTC, X2 1800, X2 2100, X2 2100A, X2 2100R, X2 2500A, X2 2500R |
| Voltage | 12V |
| Continuous Current | 120A |
| Output Range | 12.8V–14.4V |
| Voltage Regulation Accuracy | ±0.15V |
| Stator Winding Class | Class H (180°C) |
| Diode Count | 6 silicon diodes |
| Pulley Hub Material | 6061-T6 aluminum |
| Pulley Runout Tolerance | <0.05 mm |
| Engine Speed Range | 1,000–6,000 RPM |
| Surface Treatment | Electroless nickel plating (25 μm) |
| Operating Temperature Range | –25°C to +60°C |
| Vibration Rating | up to 10g RMS |
| Condition | New Aftermarket |
| Warranty | 3–12 months against manufacturing defects |
| MOQ | 1 piece |
| Standards | ISO 9001, IEC 60747-2, ASTM B117, EN 50155 Class S1, ISO 8528-3 |
| Failure Symptom | Replacement Urgency |
|---|---|
| Battery not charging, reefer unit shuts down mid-route | Immediate — cargo spoilage risk within hours |
| Dim or flickering control panel lights on CT2-29TV or CT3-44TV | Same-day replacement needed to restore diagnostic capability |
| Alternator whining noise followed by voltage drop below 12V | Urgent — unit may fail to restart after next engine stop |
| Intermittent charging on Genesis R70 or X2 series at idle RPM | Schedule replacement before next long-haul dispatch |
| Pulley wobble or belt wear on Maxima or ULTRA series | Replace at next service stop before bearing seizes |
A 12V alternator 30-00423-00 in stock fast shipping means the reefer unit charges again within days, not weeks.
Every idle hour on a refrigerated trailer risks cargo loss. I once saw a dispatch team wait over a week for a charging component because the supplier had a minimum order wall. The load was already warming. A single 12V alternator 30-00423-00 sitting on a Guangzhou shelf, ready to ship in one piece, changes that equation entirely [NEED_CITE: cold chain equipment downtime cost per hour for perishable cargo].
The 12V alternator 30-00423-00 is held in Guangzhou warehouse inventory specifically for emergency single-unit orders. When a reefer fails on the road or at a depot, the priority is getting one working unit shipped — not meeting a bulk threshold. Our one-piece MOQ means a workshop racing against a delivery deadline can order exactly what the job requires. Express, air, and sea freight options are quoted with arrival timelines at the time of inquiry, so the buyer knows when the part lands before committing [NEED_CITE: freight transit time variables for automotive electrical components].
Nameplates on older Carrier units like the TM800 or TM900 are often corroded, painted over, or missing entirely. Send a photograph of the nameplate or simply the machine model, and the technical team cross-checks compatibility against the full fitment list — from CT2-29TV through X2 2500R. This eliminates the costly mistake of shipping the wrong variant. I learned this the hard way when a blurry photo led to an incorrect dispatch that left a site without power for three days.
The Class H stator winding rated to 180°C handles the sustained thermal load inside an engine bay on a hot-haul route. The 120A continuous output at 12V covers the electrical demand of modern reefer control systems running compressors, fans, and telematics simultaneously. Voltage regulation accuracy of ±0.15V protects sensitive electronic controllers from overvoltage damage. The electroless nickel plating at 25 μm thickness resists salt and road spray corrosion across seasonal temperature swings from –25°C to +60°C [NEED_CITE: alternator surface treatment standards for transport refrigeration environments].
Ordering an incorrect alternator means the machine stays down through a second shipping cycle. For a refrigerated trailer carrying pharmaceutical or food cargo, that second cycle can mean total load rejection. A pulley runout mismatch or incorrect connector type forces a return shipment, and the repair window doubles. Confirming the right 12V alternator 30-00423-00 before dispatch — via photo, machine model, or cross-reference check — removes this repeat-failure risk entirely.
Our Guangzhou warehouse stocks this alternator for immediate single-piece dispatch, so emergency repairs do not wait for production runs. Both self-produced and qualified sourced lines carry the same quality control and warranty terms under one account. Part identification works from a part number, a machine model, or a nameplate photograph — whichever is available on site. Cross-reference verification covers superseded numbers like 30-00409-64 and 30-00363-00, catching errors that copied tables carry forward. Sample supply is available for fitment confirmation before any bulk commitment [NEED_CITE: aftermarket cross-reference verification practices for refrigeration alternators].
Provide the Carrier unit model — whether CT2-29TV, Genesis R70, or X2 2500R — or upload a photograph of the existing alternator and nameplate. The team confirms stock availability, verifies fitment against the cross-reference list, and returns a shipping quote with an estimated arrival date. Single-piece and multi-unit inquiries are handled through the same process.
Q: Is this alternator in stock and when can it ship? A: The 30-00423-00 is held in Guangzhou warehouse stock for fast dispatch. Single-piece orders ship within working days after order confirmation and payment clearance. Exact dispatch timing depends on the order placement hour and chosen freight method, which is quoted with an arrival estimate at the time of inquiry.
Q: What is the minimum order — can I buy just one? A: Yes. The minimum order quantity is one piece. This supports emergency single-unit repairs where a reefer trailer or transport refrigeration unit is already down and waiting for a replacement. No bulk threshold blocks an urgent purchase.
Q: How long does delivery take to my country? A: Transit time depends on destination and chosen freight method. Express courier delivers within days for most regions. Air freight and sea freight options are available with specific arrival timelines quoted upfront based on the destination address or port, so the expected arrival date is known before ordering.
Q: The nameplate on my unit is unreadable — how do I confirm the right part? A: Send a photograph of the alternator itself, the machine model, or any visible identification markings. The technical team cross-checks against the full Carrier fitment list including CT2, CT3, Genesis, Maxima, ULTRA, and X2 series to confirm compatibility before dispatch.
Q: What happens if the part arrives and does not fit? A: Fitment is verified against the provided machine model or photograph before shipping. If a mismatch occurs despite verification, the warranty covers manufacturing defects and the team works to identify and dispatch the correct variant. Providing clear identification details at the inquiry stage minimizes this risk.
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