⚙ Custom Engineering & Manufacturing Services ⚙

Beyond stocking the Schwitzer B3G-3771NRAKB/1.25 turbocharger and all listed accessories like oil feed lines and gaskets, Growshine International offers full Custom Development (OEM/ODM) for engineering machinery, heavy truck, and automotive components. If you need a specific HE561VE, GT4294, or HX30W part with unique specifications, contact us to utilize our advanced manufacturing supply chain. We turn your technical drawings into reliable, production-ready spare parts.

Premium Schwitzer B3G Series Turbocharger for K.H.DEUTZ Engines

Welcome to Growshine International, your trusted global supplier of engineering machinery accessories, heavy truck parts, agricultural machinery accessories, and auto parts import export solutions. We proudly present the high-performance Schwitzer turbocharger, designed for optimal fit and function in the K.H.DEUTZ TCD Series of power units. This is the ultimate heavy-duty diesel engine turbocharger replacement.

The primary component identification numbers for this unit are:
B3G-3771NRAKB/1.25, B3G3771NRAKB/1.25
1387-988-0015, 13879880015

As a leading provider in the global spare parts market, Growshine ensures this Schwitzer turbo meets stringent performance criteria for maximum engine efficiency and longevity. Investing in this unit means securing reliable power for your DEUTZ TCD series engine. We specialize in providing the most competitive price and high-quality parts for all your off-highway vehicle spare parts needs.

Turbocharger Technology: B3G-3771NRAKB/1.25 Explained

The turbocharger (PN: B3G-3771NRAKB/1.25) is an essential component for modern diesel engines like the K.H.DEUTZ TCD units. Its main function is to increase the power output of the engine by forcing extra compressed air into the combustion chamber.

This specific Schwitzer B3G series turbo is designed for high efficiency and features a precise A/R (Area/Radius) ratio of 1.25, which determines the boost threshold and power band. The high-speed turbine wheel, driven by exhaust gases, spins the compressor wheel, which draws in and compresses fresh air, providing the engine with the dense oxygen needed for combustion. This process ensures better fuel economy and reduced emissions, making it a critical DEUTZ TCD engine component. We are your reliable source for Schwitzer B3G series turbo rebuild kit components and genuine replacements.

Growshine International: Your Global Spare Parts Partner

At 格莳国际 (Growshine International), our core business is the import and export of critical spare parts across four major sectors. We maintain an extensive inventory for everything from Excavator hydraulic pump repair kits used in heavy engineering machinery to Cylinder head gasket set heavy truck applications. We are committed to supplying Quality agricultural tractor engine components and the latest Aftermarket auto engine maintenance solutions globally.

Our comprehensive service includes sourcing and distribution of parts for brands like K.H.DEUTZ, alongside major turbocharger manufacturers such as Garrett, Holset, BorgWarner (3K/Schwitzer), IHI, Mitsubishi, Hitachi, CZ, Toyota, Komatsu, and Bosch Mahle. Click here to view our extensive turbo market catalog. We connect you with Affordable K.H.DEUTZ spare parts online, ensuring seamless supply chains for Global export heavy equipment parts and specialized items like Bulldozer undercarriage roller replacement and Diesel fuel injector pump service kits.

We focus on SEO-friendly long-tail keywords to ensure our clients find the exact parts they need, including Wheel loader transmission seal kits, Construction machinery electrical components, and Mining equipment wear parts export.

Component Glossary: Essential Spare Parts Explained

To help you maintain your fleet, here are 10 key spare parts and their functions in various equipment:

• Final Drive Planetary Gear: A series of gears located inside the final drive casing, responsible for the final speed reduction and torque increase to the tracks or wheels.
  Example: Caterpillar D6T Bulldozer Planetary Gear (Engineering Machinery)

• King Pin Kit: The primary pivot point in the front steering axle of a heavy truck, connecting the axle to the steering knuckle.
  Example: Freightliner Cascadia King Pin Kit (Heavy Truck)

• Hydraulic Control Valve Spool: A precision-machined component within the main hydraulic control valve, directing fluid flow to actuators like cylinders and motors.
  Example: Komatsu PC200-8 Hydraulic Control Valve Spool (Engineering Machinery)

• Clutch Slave Cylinder: Located on the transmission, it converts hydraulic pressure from the master cylinder into mechanical movement to disengage the clutch.
  Example: Volvo FH16 Clutch Slave Cylinder (Heavy Truck)

• EGR Valve (Exhaust Gas Recirculation): Positioned between the exhaust manifold and the intake manifold, it controls the flow of exhaust gas back into the engine to lower combustion temperatures and reduce NOx emissions.
  Example: Ford F-150 PowerStroke EGR Valve (Auto)

• Tie Rod End: Part of the steering linkage, connecting the steering rack/box to the steering knuckle, allowing the wheels to turn.
  Example: John Deere 7215R Tie Rod End (Agricultural Machinery)

• Oil Filter Housing: A container fixed to the engine block that holds the replaceable oil filter cartridge.
  Example: Mercedes-Benz Actros MP4 Oil Filter Housing (Heavy Truck)

• Track Adjuster Cylinder: A hydraulic cylinder in the undercarriage used to push the idler wheel, maintaining correct track tension.
  Example: Hitachi Zaxis 350LC Track Adjuster Cylinder (Engineering Machinery)

• Differential Spider Gear: Small gears mounted on a shaft within the differential carrier, allowing the wheels to rotate at different speeds when cornering.
  Example: Massey Ferguson 8700 Tractor Differential Spider Gear (Agricultural Machinery)

• Water Pump Impeller: The rotating component inside the water pump that physically moves coolant through the engine cooling system.
  Example: BMW X5 N55 Water Pump Impeller (Auto)

Associated Turbochargers and Engine Components for Sale

We supply a wide range of turbochargers and related engine components. Click here to purchase these products immediately.

We also offer a full range of KALMAR product list parts. ► Click to see our KALMAR products ◄

⚠ Equipment Fault Diagnosis: Heavy Truck ⚠

Failure Case: Scania R730 Heavy Truck (Heavy Truck) - Low Power/Excessive Black Smoke

Symptom: A Scania R730 heavy truck experiences a sudden and noticeable loss of engine power, accompanied by excessive black smoke emitting from the exhaust, particularly under load. The engine may also consume more fuel than usual. This issue is a common problem in heavy truck parts applications.

Diagnosis & Solution:

1. Check Turbocharger: Since black smoke indicates incomplete combustion due to insufficient air, the turbocharger is the primary suspect. Check for play in the turbine shaft (axial and radial). A failing Schwitzer B3G-3771NRAKB/1.25 or similar unit may not deliver required boost.

2. Inspect Air Intake: Verify the air filter is not clogged. A restricted air filter will choke the turbocharger, preventing it from supplying enough compressed air.

3. Fuel System: Investigate the fuel injectors and fuel pump. Faulty injectors can over-supply fuel (or spray poorly), leading to a rich mixture that causes black smoke and low power.

4. Action: For a worn turbo, replace it with a certified unit from Growshine International. For fuel issues, perform a diagnostic check on the Diesel fuel injector pump service components. Timely maintenance prevents costly downtime in your heavy truck spare parts operations.