Precision Forged Crankshafts for Heavy-Duty Engines

The DE12T forged steel crankshaft is engineered for maximum durability and performance, offering a genuine quality aftermarket solution to complex engine failures. If you are experiencing excessive oil consumption, engine knocking, or unusual vibration, the issue might be rooted in a compromised crankshaft or worn out engine bearings. Our DE12T03010 component ensures perfect balance and superior strength to revitalize your machinery. At Honour Time Machinery Limited, we specialize in providing reliable affordable engine rebuilding parts and complete diesel engine overhaul kits for the global market.

Our Core Engine Product Offerings

• Liner Kit and Piston Ring Sets

• High-Quality Piston and Connecting Rod

• Full Gasket Kit and Cylinder Head Gasket

• Precision Crankshaft and Turbocharger

• Engine Bearing, Crankshaft Bearing, and Connecting Rod Bearing (Big/Small End)

• Essential components like Water Pump, Oil Pump, and Cylinder Block

• Fuel System parts including Diesel Pump and Injector

• Valve Train parts: Valve Guide and Valve Seat

Detailed Crankshaft Product Specifications

Comprehensive Engine Parts and Model Coverage

Honour Time Machinery Limited offers one of the most extensive inventories of replacement parts for major construction and heavy machinery brands. We are your one-stop source for every engine component from a small pressure switch to a complete cylinder block.

Understanding Key Engine Components

As part of our commitment to high-quality service, we help you understand the core parts needed for successful repair and maintenance. Here are 10 key component definitions:

• Piston Pin Bushing: Installed in the piston boss, this part links the piston to the connecting rod, ensuring smooth oscillation. Keyword Example: Komatsu 6D102 Piston Pin Bushing.

• Main Valve (Hydraulic): Located in the excavator's control block, it regulates hydraulic fluid pressure and direction. Keyword Example: Caterpillar 320D Main Valve.

• Thrust Washer: Situated on the side of the crankshaft main journals, it controls the crankshaft's axial (end-to-end) movement. Keyword Example: Cummins QSB6.7 Thrust Washer.

• Flameout Solenoid: Mounted on the fuel injection pump, it cuts off the fuel supply when energized to shut down the engine. Keyword Example: Isuzu 4HK1 Flameout Solenoid.

• Turbocharger Compressor Wheel: Found within the turbocharger housing, it draws in and compresses air before it enters the engine cylinders. Keyword Example: Weichai WP10 Turbocharger Compressor Wheel.

• Engine Bearing (Main): These are precision components supporting the crankshaft's rotation within the engine block. Keyword Example: Kubota V3307 Engine Main Bearing.

• Cylinder Head Gasket: This critical seal is placed between the cylinder head and the engine block, maintaining combustion pressure and fluid separation. Keyword Example: Yanmar 4TNV94 Cylinder Head Gasket.

• Valve Guide: A sleeve press-fitted into the cylinder head, guiding the vertical motion of the engine valves. Keyword Example: Caterpillar 3114 Valve Guide.

• Oil Pump Gear: Typically found in the oil pan or front cover, it is the primary component that drives engine oil circulation. Keyword Example: Komatsu 3D84 Oil Pump Gear.

• Accelerator Motor (Stepper Motor): Part of the electronic control system, it controls the throttle position to manage engine speed. Keyword Example: Isuzu 6WG1 Accelerator Motor.

Troubleshooting & Maintenance: Keeping Your Equipment Running

Fault & Solution Example

Fault: A Caterpillar 320D Excavator with a C6.4 Engine is showing excessive white smoke and experiencing a rough, unstable idle.
Diagnosis & Solution: This often indicates a faulty fuel injector. The Caterpillar C6.4 Injector is likely failing to atomize fuel correctly, leading to incomplete combustion. Immediate replacement of the defective injector and a fuel system check are required to restore power and smooth operation.

Essential Maintenance Tip

To prevent catastrophic engine failure and prolong the life of your Cummins QSM11-C Cylinder Block, perform a complete cooling system flush and change the coolant every 1000 hours of operation. Clean coolant prevents corrosion and scale buildup in the water passages, ensuring optimal thermal management and protecting vital components from damaging thermal stress.