English
Elecdurauto TBP4 turbocharger is engineered for Cummins 6BTAA engines and matches OE numbers A3960479, A3960860, and 4029160. It delivers stable boost, durable heavy-duty performance, and accurate fitment for commercial and industrial applications.
Designed for importers, distributors, and fleet buyers, this turbocharger helps reduce downtime, lower maintenance costs, and ensures reliable long-term operation. Ideal for businesses seeking consistent quality and bulk supply with confidence.
A3960479 / A3960860 / 4029160
Elecdurauto
China
IATF 16949 / ISO 9001 / CE / RoHS
50-100 pcs
Brand / Neutral / Customized Packaging
18 Months
| Quantity: | |
|---|---|
Product Description
As a professional B2B buyer—importer, distributor, wholesaler, or fleet maintenance supplier—you need a heavy-duty turbocharger that offers OE-level dependability, stable supply, and strong cost competitiveness.
Elecdurauto's TBP4 turbocharger (Turbo P/N 4035253 / 3960478) is built as a direct replacement for OEM A3960479 / A3960860 / 4029160, manufactured under strict full-process quality control. It is engineered specifically for customers who demand:
Reliable long-term supply for heavy-duty applications
Competitive pricing that supports distributor margins
Stable performance under high-load conditions
Factory-backed consistency across every batch
This unit is ideal for distributors, machinery service companies, and fleet operators working with Cummins 6BTAA engines widely used in construction machinery, industrial equipment, agricultural machinery, and commercial vehicles.
| Brand / Equipment Category | Engine Model | Typical Applications |
|---|---|---|
| Cummins | 6BTAA | Construction equipment (excavators, loaders) |
| Cummins | 6BTAA | Industrial generators & power units |
| Cummins | 6BTAA | Agricultural machinery (tractors, harvesters) |
| Cummins | 6BTAA | Medium-duty trucks & commercial vehicles |
| Cummins | 6BTAA | Marine auxiliary engines (select models) |
| Specification | Details |
|---|---|
| Model | TBP4 |
| Turbo P/N | 4035253 / 3960478 |
| OEM Reference No. | A3960479 / A3960860 / 4029160 |
| Matched Engine | Cummins 6BTAA |
| Application Category | Heavy-duty / industrial / construction |
| CHRA Type | Complete core assembly (balanced) |
| Cooling | Oil-cooled |
| Bearing Type | Journal bearing / floating bush |
| Max Operating Speed | Up to 150,000+ RPM (heavy-duty calibrated) |
| Turbine Wheel Material | High-temperature Inconel-grade alloy |
| Compressor Wheel Material | High-strength aluminum alloy |
| Housing Material | Heat-resistant cast iron |
| Boost Characteristics | Engine-matched for high-load torque response |
| Wastegate | Integrated wastegate (application-dependent) |
| Balancing Standard | G2.5 VSR high-speed balancing |
Elecdurauto heavy-duty turbocharger is engineered for demanding environments, delivering stable performance across industrial machinery, construction equipment, and diesel power systems. Built for high-load, long-hour operation, it ensures reliable boost control and extended service life in real working conditions.
Construction Machinery
Industrial Diesel Engines
Agricultural Equipment
Power Generators
Material Handling Equipment
Elecdurauto follows a fully integrated production process to ensure every turbocharger meets strict quality and performance standards. From raw material inspection and CNC machining to automated assembly and dynamic testing, each step is optimized for precision, consistency, and efficiency. This end-to-end system guarantees reliable output for both OEM replacement and aftermarket demand.
Your orders come directly from a production line, not a middleman.
Faster decisions, better quality control, and more stable pricing.
Our factory shares manufacturing systems with global OE brands—
CNC machining, dynamic balancing, CHRA calibration, leakage testing, vibration analysis, and load simulation.
Our replacement turbo is built specifically for:
construction equipment
industrial machinery
agriculture
power systems
These environments demand durability far beyond passenger vehicles.
We support bulk orders, stable stock programs, private-label packing, and long-term supply agreements.
You get OE-level performance + factory-direct pricing, giving you a strong margin advantage in the market.
CHRA core balancing report
VSR test RPM curve screenshot
Turbine/compressor wheel dimensional check
Shaft & bearing surface inspection
Final assembly torque spec check
Packaging inspection before shipment
Material Incoming Quality Control
Precision CNC Machining Cluster
Automated Material Loading Lathe
Three-Axis CMM Inspection
In-Process Quality Monitoring
Automated Assembly Workstation
Functional Testing & Assembly Validation
Turbocharger Performance Test Bench
High-temperature alloys withstand extreme loads found in heavy-duty diesel operations.
Reduce friction, improve spool response, and enhance long-term stability.
Every CHRA is VSR-balanced to OE specifications for smooth, vibration-free operation.
Maintains stable boost levels across varying RPM ranges—critical for industrial-duty usage.
Designed for harsh environments: dust, high load, long idle periods, and temperature cycling.
Our engineering team supported a large industrial fleet operator with a customized heavy-duty turbocharger supply program, covering OE-grade replacements, technical verification, and long-term stocking support. The project reduced their downtime by 37% and stabilized maintenance cycles across multiple engine platforms—proving Elecdurauto’s capability to deliver consistent, high-performance solutions for demanding B2B operations.
Trusted OEM Quality
Precision You Can Trust
Engineered for Reliability
Complete Fit Assurance
Every Detail Verified
Proven Performance Parts
Secure Global Shipping
Ready-to-Install Quality
Because your customers need confidence—and you need fewer after-sales issues.
Elecdurauto provides a 18-month / 50,000 km warranty for the every model under normal operating conditions.
Because downtime costs money.
In-stock items: ship within 3–5 days
Production orders: 15–25 days
Bulk/OEM label orders: confirmed before production
Because MOQ, packaging, and shipping options define your cost structure.
We offer flexible MOQs and factory-direct pricing to maximize your margins.
Elecdurauto operates under a fully audited quality system, backed by IATF 16949, ISO 9001, ISO 14001, and ISO 45001 certifications.
Every turbocharger is produced in compliance with international manufacturing standards, ensuring consistent quality, traceable processes, and reliable performance for global B2B buyers.
We make purchasing simple and risk-free for all B2B buyers:
Fitment check via OE number, engine code, photos, or sample comparison.
Elecdurauto brand box, neutral box, or your private label.
Air freight, sea freight, palletized shipments, LCL/FCL consolidation.
Clear troubleshooting, technical diagrams, installation guidance, failure-analysis reporting.
Elecdurauto TBP4 turbocharger is built as a direct OE-grade replacement for A3960479, A3960860, and 4029160.
It also matches turbo P/N 4035253 and 3960478, ensuring full compatibility with Cummins 6BTAA engines used in construction, industrial, and power-generation applications.
The 6BTAA platform is widely installed in:
Excavators & loaders（Komatsu, JCB, Doosan, Hyundai, Liugong）
Generator sets (80–150 kVA)
Medium-duty trucks（Dongfeng, Foton, Tata）
Agricultural tractors & harvesters
Marine auxiliary engines
Yes. Every CHRA is calibrated using G2.5 high-speed VSR balancing, ensuring OE-level boost response and durability even under heavy-load or long-hour industrial duty cycles.
Both options are available:
Complete TBP4 Turbocharger
High-speed balanced CHRA core (drop-in replacement)
This allows distributors and workshops to choose based on repair cost or local market demand.
Yes. The turbine uses Inconel-grade alloy, the bearing system is designed for continuous high-temperature operation, and the turbo is optimized for:
Construction machinery
Generator sets running 8–24 hours
Harsh environments such as mines, deserts, high-humidity regions
Standard warranty is 18 months, covering manufacturing defects.
For bulk orders, fleet clients, or distributors, we can provide extended warranty options and technical service support.
Yes. We support:
Bulk ordering
Stable long-term supply
Price tiers for distributors / importers / OE projects
Private labeling / customized packaging
This is ideal for clients in LATAM, Africa, Middle East, and Southeast Asia with strong aftermarket demand.
Yes. We can supply:
Installation manual
Torque specifications
Pre-lubrication steps
Recommended oil & filter requirements
Common failure diagnosis (oil leakage, over-speed, foreign-object entry)
Workshops and equipment service companies find this very useful.
You can verify using any of the following:
OEM numbers: A3960479 / A3960860 / 4029160
Turbo P/N: 4035253 / 3960478
Engine plate (Cummins 6BTAA)
Equipment model (excavator, genset, loader, truck)
Yes. Depending on your region:
Middle East / Africa：Air freight + FCL/LCL freight options
South America：Direct shipment from China + consolidation service
Europe：Express / rail / sea freight options
Asia：Fast regional shipping
Bulk clients can request inventory reservation for continuous supply.
