DA640 Engine Component Specifications

We provide the complete set of vital components for the DA640 model. Note the inclusion of both hyphenated and non-hyphenated part numbers for seamless ordering and inventory management.

Focus on quality assurance with Piston 9-12111-377-1 and Liner 9-11261-293-0. Whether you search for 9121113771 or the complete 9-11261-293-0, we have your supply chain covered.

Detailed Component Specifications (Reference)

The following specifications are compiled based on the provided parts numbers (9-12111-377-1, 9-11261-293-0, 1-12161-064) and standard industry data to ensure a complete offering.

Honour Time: Global Leader in Engine Component Supply

Honour Time Machinery Limited specializes in providing high-quality engine assembly units and spare parts for the world's leading brands, including cummins, komatsu, Caterpillar, isuzu, kubota, yanmar, and weichai. Our extensive product portfolio ensures you can source everything from a single component to a complete Engine Overhaul Kit Supplier.

We stock essential engine components such as cylinder liner, piston, piston ring, crankshaft bearing (main bearing), connecting rod bearing, thrust washer (stop plate), and gasket overhaul kit. We also supply complex systems like the Diesel Pump, Injector (OEM Fuel Injector Price), Crankshaft (Affordable Engine Crankshaft), Turbocharger (Weichai WP12 Turbocharger Assembly), Water Pump (Yanmar 4TNV98 Water Pump Replacement), Oil Pump (Engine Oil Pump Assembly), Engine Block (High Quality Engine Block Components), Cylinder Head (Caterpillar C7.1 Cylinder Head Gasket), and Connecting Rod. We are the trusted source for the Diesel Engine Piston Ring Set, Genuine Connecting Rod Bearing, Isuzu 4JJ1 Main Bearing Price, Komatsu SAA6D140 Piston, Kubota V3307 Engine Rebuild Parts, Best Cylinder Liner Quality, Thrust Washer Set for Heavy Duty, Piston Pin Bushing Factory, Connecting Rod Bushing, and Complete Engine Gasket Kit. Choose us for the best Cylinder Liner Kit for Excavator and all your Cummins QSK60 Engine Overhaul needs.

Key Engineering Machinery Component Terminology

Understanding your engine is critical for maintenance. Here are 10 key parts and their function, complete with component keywords for accurate searching:

• Piston: Converts heat energy from combustion into mechanical work. Located inside the cylinder. Keyword example: Komatsu PC200-8 Piston.

• Cylinder Liner: Provides a clean, hard-wearing surface for the piston to slide against. Located within the cylinder block bore. Keyword example: Isuzu 4HK1 Liner Replacement.

• Connecting Rod: Links the piston to the crankshaft, transmitting motion. Located inside the crankcase. Keyword example: Cummins QSB6.7 Connecting Rod Assembly.

• Fuel Pump: Draws fuel from the tank and delivers it under pressure to the injection system. Located on the engine block. Keyword example: Caterpillar 320D Fuel Pump Repair.

• Water Pump: Circulates coolant through the engine to regulate temperature. Located on the front of the engine block. Keyword example: Kubota V2403 Water Pump Replacement.

• Engine Oil Pump: Sucks up oil from the pan and circulates it for lubrication. Located inside the oil pan or front cover. Keyword example: Yanmar 4TNV94 Engine Oil Pump Failure.

• Turbocharger: Uses exhaust gas energy to spin a turbine, compressing intake air for more power. Attached to the exhaust manifold. Keyword example: Weichai WP10 Turbocharger Upgrade.

• Crankshaft: The main rotating component that converts piston movement into rotation. Located at the bottom of the engine block. Keyword example: Caterpillar C15 Engine Crankshaft Rebuild.

• Thrust Washer: A flat washer that controls the amount of back-and-forth (axial) movement of the crankshaft. Located adjacent to the main bearings. Keyword example: Komatsu WA380-6 Thrust Washer Clearance.

• Injector: Atomizes fuel for efficient mixing with air inside the combustion chamber. Located in the cylinder head. Keyword example: Cummins ISX15 Injector Cleaning Service.

Troubleshooting: Engine Failure and Solution

Scenario: Caterpillar 336D Excavator Engine Overheating

Failure Description: The operator reports the engine temperature gauge spiking, accompanied by coolant loss and a grinding noise from the front of the engine. Immediate shutdown was performed. This often points to a catastrophic failure of the cooling system.

Diagnosis and Solution: Inspection revealed excessive shaft play and leakage from the weep hole of the Caterpillar 336D Water Pump. The bearing failed, leading to a loss of coolant circulation. The immediate solution is the replacement of the entire Caterpillar 336D Water Pump. After installation, the system must be meticulously refilled with the correct coolant mixture and properly air-bled to ensure no air pockets remain, preventing further overheating issues and protecting vital parts like the Cylinder Head Gasket.