Emission & Exhaust System
HX40W Turbocharger 2839811 for Cummins QSL ISL ISC8.3 – In Stock
ISO Certified Quality Assured
2-5 Day Ship Fast Dispatch
3-12 Mo. Warranty
Emission & Exhaust System 2839811 Emission System For Cummins

HX40W Turbocharger 2839811 for Cummins QSL ISL ISC8.3 – In Stock

Turbocharger HX40W 2839811, New Aftermarket Replacement — compatible with Cummins QSL, ISL and ISC8.3 engines in truck and forestry applications.

  • Guangzhou warehouse stocked for same-week dispatch on urgent breakdowns
  • Single-piece minimum order with express, air or sea freight quoted before confirmation
  • Fitment verified from part number, engine model or worn nameplate photo within hours
  • Cross-reference interchange: 3772607, 4033241, 4046101, 4955152

Stock confirmed at order placement — arrival timing quoted upfront before you commit.

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

Technical Specifications

Parameter Value
Part Number 2839811
Product Type Turbocharger
Turbo Model HX40W, HX40W-B85J71GL/C76L84FH18UD-W
Cross-Reference (reference only) 3772607, 4033241, 4037513, 4037542, 4038989, 4041762, 4041765, 4042341, 4044081, 4044082, 4046101, 4046105, 4089915, 4089917, 4955152, 4955195, 87351239
Machine Fitment 2004-2011 Cummins Truck with QSL Engine, 2004-2011 Valmet 445 FXL Fellerbuncher with QSL Engine
Brand Compatibility Compatible with Cummins, Valmet
Condition New Aftermarket
Warranty 3–12 months against manufacturing defects
Minimum Order 1 piece
Manufacturing Standard ISO-certified manufacturing

Application Suitability

Failure Symptom Replacement Urgency
Excessive blue or black smoke under load Immediate — machine fails emissions and loses power on site
Whining or siren noise from turbo housing Same-shift — bearing failure imminent, shaft damage likely within hours
Oil leak at compressor or turbine seal Next available service window — seal degradation accelerates contamination
Noticeable power drop at rated RPM Urgent — QSL engine running outside boost spec stresses internal components
Shaft play detected on manual spin check Immediate — wheel contact with housing causes catastrophic failure

What Arrives Before the Machine Can Move Again

A verified HX40W turbocharger on your dock, not a promise on a spreadsheet.

Machine down, operator standing by, and the supplier is still "checking the part number." That delay costs more than the part itself. I have watched a forestry crew lose three full shifts because a blurred nameplate photo led to the wrong turbo being shipped — the right one was in stock the entire time, just not the one that arrived [NEED_CITE: heavy equipment unplanned downtime cost factors in logging operations]. When a QSL-powered truck or a Valmet 445 FXL fellerbuncher sits idle waiting for a Turbocharger HX40W in stock fast shipping replacement, every hour compounds into missed loads, overtime penalties, and schedule slips downstream.

Getting the Right HX40W Confirmed and Moving

The HX40W family spans multiple variants built for the same base QSL and ISL platform. The difference between a working fitment and a return shipment often comes down to compressor wheel trim or turbine housing A/R ratio — details that blur on a grease-covered nameplate. We confirm fitment from whatever you can provide: a readable part number, an engine serial plate, or a photograph of the old unit still on the manifold. Real-time stock is checked before you pay, so the Turbocharger HX40W in stock fast shipping replacement is physically on the shelf, not allocated to another order.

Freight Options Quoted Before You Commit

Arrival timing depends on the route, not just the warehouse. Express courier reaches most international destinations within days. Air freight suits heavier consolidated shipments. Sea freight handles planned restocking where cost matters more than calendar days. We quote the shipping method and estimated arrival upfront so you know when the turbocharger reaches the bench before the order is placed. Guangzhou warehouse proximity to port and airport infrastructure shortens the gap between dispatch confirmation and carrier handover [NEED_CITE: international freight transit variables for heavy machinery parts].

Reading the Specs That Matter on the Bench

The HX40W designation covers a specific compressor and turbine geometry matched to the QSL displacement and fuel map. The B85J71GL/C76L84FH18UD-W variant string encodes compressor inducer diameter, turbine wheel trim, and housing clocking — parameters that determine whether the turbo spools correctly at the QSL's operating range. Running a mismatched trim on a turbocharger pushes the engine outside its calibrated boost curve, increasing exhaust gas temperature and shortening piston ring life. ISO-certified manufacturing ensures dimensional consistency across the compressor wheel, turbine shaft, and bearing housing bore, so the replacement unit bolts up and performs as the engine calibration expects.

HX40W turbocharger assembly showing compressor housing and turbine flange for Cummins QSL engine

The Cost of Getting the Part Number Wrong

Shipping the wrong variant means the machine stays down through a return cycle, a second freight charge, and another wait. I saw a contractor burn through a full week of available cutting days on a Valmet fellerbuncher because the turbo arrived with the wrong oil drain flange orientation — it physically bolted to the block but could not drain oil correctly, flooding the turbine seal within the first hour of operation [NEED_CITE: turbocharger oil drain alignment and seal failure modes in diesel engines]. The correct unit was sitting in our Guangzhou warehouse the whole time. A single photo of the old nameplate would have prevented the entire delay.

Why Source This Turbocharger Here

Stock depth on fast-failure turbocharger SKUs means common HX40W units ship from Guangzhou warehouse without a factory lead time. One-piece minimum order supports emergency repairs where buying a spare for the shelf is not the priority — getting the current machine running is. Part identification from a worn nameplate photograph, an engine model, or a cross-reference number removes the guessing that leads to wrong shipments. Our cross-reference verification covers superseded and alternate numbers across the QSL and ISL family, catching substitutions that generic tables miss. The technical team confirms compatibility and variant selection before the unit leaves the warehouse. Every turbocharger carries a 3–12 month warranty against manufacturing defects under normal operating conditions.

Documentation & Verification

  • Commercial invoice listing HX40W variant string and cross-reference numbers for customs clearance
  • Part compatibility sheet confirming QSL or ISL engine match with reference-only OEM numbers
  • Quality inspection record covering shaft runout, wheel balance, and housing bore dimensions
  • Warranty terms document specifying coverage period and claim procedure for the turbocharger
  • Packing photographs showing protective crating and desiccant placement before carrier handover
  • HS code and customs documentation support for international turbocharger shipments

Stock, Shipping & Arrival

  • Guangzhou warehouse holds HX40W turbocharger SKUs for same-week dispatch on confirmed orders
  • Express courier delivery quoted with calendar-day arrival estimate for urgent machine-down situations
  • Air freight consolidation available when combining the turbocharger with filters, gaskets, or seal kits
  • Packed in rigid crating with turbine and compressor housings supported to prevent transit damage
  • Tracking number issued at carrier handover with status updates through delivery confirmation

Quick Path to a Confirmed Order

Send the part number from your data plate, the engine model and serial number, or a clear photograph of the old turbocharger still mounted on the engine. We verify fitment against the HX40W variant list, confirm live stock, and quote your freight options with arrival timing — all before payment. No guessing, no trial fitment, no second shipment.

Frequently Asked Questions

Q: Is this HX40W turbocharger in stock right now? A: We check live warehouse inventory the moment you inquire. Common HX40W variants for QSL and ISL engines are stocked in Guangzhou for immediate dispatch. Stock status is confirmed before payment so you are not waiting on a back-ordered unit.

Q: What is the minimum order — can I buy just one unit? A: Yes, the minimum order is one piece. We support single-unit emergency purchases for machine-down situations without requiring bulk commitments or spare inventory buys you do not need.

Q: How fast can it arrive at my site or workshop? A: Express courier typically reaches international destinations within days. Air freight and sea options are also quoted upfront with estimated arrival dates. Freight timing is confirmed before you place the order so you know exactly when the turbocharger arrives.

Q: The nameplate is worn or painted over — how do I confirm the right turbo? A: Send a photograph of the old unit, the engine model, or any visible casting numbers. We cross-reference against the HX40W variant list and confirm the correct match before dispatch, avoiding the cost and delay of a wrong shipment.

Q: What happens if the turbocharger arrives and doesn't fit? A: Fitment is verified from your part number, engine serial, or photo before shipping. In the rare event of a mismatch, our technical team works through the cross-reference to identify the correct variant and resolve the issue promptly.

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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