344-2603 Crankshaft 3442603 for Caterpillar 3306B 3306C Diesel Engine Excavator 330B L 350 545 572R Engine Parts
344-2603 Crankshaft for Caterpillar 3306 Diesel Engine Excavator PartsThe 344-2603 / 3442603 Crankshaft is a high-quality engine replacement component designed for Caterpillar 3306 diesel engines used in excavators and heavy construction machinery. Compatible with models including 3306B, 3306C, 330B ...
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The 344-2603 / 3442603 Crankshaft is a high-quality engine replacement component designed for Caterpillar 3306 diesel engines used in excavators and heavy construction machinery. Compatible with models including 3306B, 3306C, 330B L, 350, 545, 572R, 611, 615C, and 627B, this crankshaft provides reliable power transmission, excellent durability, and stable engine performance.
As one of the most critical components inside the engine, the crankshaft converts the reciprocating motion of pistons into rotational power, transferring engine output efficiently to the drivetrain system.
Manufactured with high-strength materials and precision machining technology, the 344-2603 crankshaft assembly delivers excellent fatigue resistance, accurate balance, and long service life, making it an ideal solution for engine overhaul and replacement.
Manufactured from durable forged steel materials, providing excellent resistance against heavy loads, vibration, and engine stress.
Accurate journal dimensions and balanced processing ensure smooth rotation and reliable connection with engine components.
Surface treatment and precision finishing help reduce friction and extend service life under continuous operation.
Designed to efficiently transfer combustion power from pistons to the engine output system for smooth performance.
Produced according to replacement specifications for accurate installation and dependable compatibility.
| Item | Details |
|---|---|
| Product Name | Engine Crankshaft |
| Part Number | 344-2603 / 3442603 |
| Engine Model | Caterpillar 3306 |
| Compatible Engines | 3306B / 3306C |
| Compatible Models | 330B L / 350 / 545 / 572R / 611 / 615C / 627B |
| Material | High Strength Forged Steel |
| Product Type | Engine Rotating Component |
| Condition | New Replacement Part |
- CAT 330B L Excavator
- CAT 350 Excavator
- CAT 545
- CAT 572R
- CAT 611
- CAT 615C
- CAT 627B
- Caterpillar 3306B Diesel Engine
- Caterpillar 3306C Diesel Engine
The 3442603 Crankshaft is designed to:
- Convert piston movement into rotational power
- Maintain smooth engine operation
- Support engine torque output
- Reduce vibration through balanced rotation
- Improve engine reliability and service life
The 344-2603 Crankshaft is widely used for:
- Diesel engine overhaul
- Excavator engine repair
- Construction machinery maintenance
- Heavy equipment rebuilding
- Engine component replacement
- High Strength Forged Material
- Precision Manufacturing Process
- Excellent Fatigue Resistance
- Stable Engine Performance
- Accurate Balance & Fitment
- Long Service Life
- Suitable for Heavy-Duty Operation
JISION specializes in professional aftermarket construction machinery parts, supplying reliable solutions for:
- Engine Components
- Crankshafts & Camshafts
- Hydraulic Parts
- Electrical Components
- Excavator Repair Parts
With strict quality control and advanced manufacturing processes, JISION provides durable replacement parts designed to help customers restore equipment performance and reduce maintenance downtime.
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