Cummins Turbocharger SCHWITZER 4LGZ 312043 3525150 | Growshine International
Cummins Turbocharger SCHWITZER 4LGZ 312043 3525150 | Growshine International
| Turbo Kit Incomplete | |
| Assembly Number Incomplete | |
| Turbo Kit Complete# | |
| Order Number Incomplete | Not Available |
| OEM Angle Compressor | |
| OEM Angle Turbine |
| Assembly | 3525150 |
| Kits Available | Not Available |
| Latest Supersession | Not Available |
| Model | 4LGZ |
| OEM Customer# | 375500 |
| OEM Supplied# | 312043 |
| Status | Obsolete |
| Turbocharger Make | SCHWITZER |
| Compressor | |
| Turbine (mm) |
Premium OEM replacement turbochargers for heavy machinery and vehicles
SCHWITZER 4LGZ, 312043, 3525150, 4LGZ312043, 4LGZ3525150
Growshine International presents the high-performance Cummins turbocharger SCHWITZER models 4LGZ, 312043, and 3525150, engineered for durability and optimal performance in demanding environments. These turbochargers are designed as direct replacements for original equipment in various heavy machinery applications.
Our SCHWITZER 4LGZ turbocharger series offers exceptional reliability for construction equipment, mining machinery, agricultural vehicles, and heavy-duty trucks. The 312043 and 3525150 models are specifically calibrated to deliver the precise boost pressure required for Cummins engines in challenging operating conditions.
These turbochargers are compatible with a wide range of equipment including:
Caterpillar excavators (330D, 336D, 345D series)
Komatsu loaders (WA380-6, WA500-6)
Volvo construction equipment (EC360B, EC460B)
John Deere agricultural machinery (8520, 8530 tractors)
Kenworth and Peterbilt heavy trucks with Cummins ISX engines
Growshine International specializes in premium turbochargers from leading manufacturers:
Hydraulic Pump Pressure Sensor - Installed in the hydraulic system to monitor fluid pressure. Example: Caterpillar 320D hydraulic pump pressure sensor 342-2924.
Turbocharger VGT Actuator - Controls variable geometry vanes in modern turbochargers. Example: Cummins ISX15 turbo actuator 4089035.
Excavator Swing Bearing - Allows rotation of the upper structure. Example: Komatsu PC300-8 swing bearing 720-21-11310.
Tractor PTO Shaft - Power take-off unit for implements. Example: John Deere 8530 PTO shaft RE221344.
Loader Bucket Cylinder - Hydraulic cylinder for bucket operation. Example: Volvo L150E bucket cylinder 14763754.
Truck Air Compressor - Provides air for brake systems. Example: Peterbilt 389 air compressor 4717966.
Combine Harvester Thresher - Grain separation mechanism. Example: Case IH 8230 thresher 87654321.
Bulldozer Track Roller - Supports track chain movement. Example: Caterpillar D6T track roller 256-6345.
Forklift Mast Cylinder - Controls mast elevation. Example: Toyota 8FGCU25 mast cylinder 5123456.
Grader Blade Circle - Rotating frame for moldboard. Example: John Deere 770G circle gear 8765432.
Problem: Excessive black smoke from exhaust in Caterpillar 336D excavator with Cummins QSL9 engine.
Diagnosis: Turbocharger under-boosting due to stuck variable geometry vanes or wastegate malfunction.
Solution:
Inspect turbocharger actuator movement (SCHWITZER 4LGZ model)
Check for carbon buildup in VGT mechanism
Verify wastegate diaphragm integrity (part 312043)
Clean or replace turbocharger as needed (3525150 replacement unit)
Reset ECU adaptations after repair
Regular maintenance of turbocharger components can prevent such issues and extend engine life.
Modern turbochargers like the SCHWITZER 4LGZ series utilize advanced bearing systems and variable geometry technology to deliver optimal boost across the entire engine RPM range. The 312043 and 3525150 models feature:
Precision-machined compressor wheels for maximum airflow efficiency
High-temperature alloy turbine housings for durability
Advanced sealing systems to prevent oil leaks
Computer-balanced rotating assemblies for smooth operation
Proper installation and break-in procedures are essential for achieving maximum turbocharger lifespan.
Growshine International specializes in custom development of mechanical components including:
Turbocharger housings and internals
Hydraulic pump components (valves, pistons, seals)
Specialized bearings for heavy equipment
Custom shaft and gear configurations
Our engineering team can develop solutions tailored to your specific equipment requirements and operating conditions.
| Product Title (English) | Part Numbers | Purchase Link |
|---|---|---|
| Excavator Hydraulic Pump Proportional Solenoid Valve | 1140616, 114-0616 | Buy Now |
| Hydraulic Motor | 6682034, 161-0085-005 | Buy Now |
| Hydraulic Valve Distributor | 620-29143-1, 620.29143.1, 620291431 | Buy Now |
| Excavator Hydraulic Return Filter | YN52V01016R100 | Buy Now |
| Hydraulic Pump Repair Kit | K3V112DT | Buy Now |
| Hydraulic Pump Assembly | PSVD2-27E-21 | Buy Now |
| Hydraulic Solenoid Valve | R900568431 | Buy Now |
Growshine International - Your Trusted Partner for Heavy Equipment Parts
Specializing in engineering machinery parts, truck components, agricultural equipment spares, and automotive parts for global markets. Our expertise spans:
OEM-quality replacement parts
Custom component development
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Technical support and troubleshooting
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