A1998W0 Forged Steel Crankshaft for C4.4 Diesel Engine Excavator Construction Machinery Spare Parts

The A1998W0 Diesel Engine Crankshaft is a replacement engine component offered for compatible C4.4 diesel engine applications used in excavators, construction machinery, and industrial equipment.

As one of the main rotating components of a diesel engine, the crankshaft converts the reciprocating motion of the pistons and connecting rods into rotational mechanical power.

A properly manufactured and correctly installed crankshaft is essential for smooth engine operation, reliable power transmission, and maintaining the engine's designed mechanical performance.

The A1998W0 crankshaft features precision-machined main journals, connecting rod journals, counterweights, and shaft connection surfaces.

Offered as a forged steel crankshaft replacement, this component is suitable for compatible diesel engine rebuilding, crankshaft replacement, and heavy construction machinery maintenance applications. Material specifications should be verified before ordering.

JISION supplies diesel engine crankshafts, engine rebuilding components, and construction machinery spare parts to equipment owners, engine repair workshops, construction companies, and international spare parts distributors.

Product Specifications

Key Features

1. Engine Power Transmission

Designed to convert piston reciprocating movement into rotational output through the connecting rods and crankshaft mechanism.

2. Forged Steel Construction

Offered as a forged steel crankshaft designed for demanding diesel engine applications. The exact steel grade and manufacturing process should be confirmed with the supplier.

3. Precision-Machined Journals

Features machined main bearing journals and connecting rod journals intended to provide suitable bearing contact surfaces in compatible engines.

4. Integrated Counterweight Design

Equipped with crankshaft counterweights that help balance rotating and reciprocating forces according to the corresponding engine design.

5. Heavy-Duty Engine Application

Designed for compatible diesel engine applications requiring robust mechanical power transmission components.

6. Crankshaft Bearing Compatibility

Features designated bearing journal surfaces for operation with correctly specified main bearings and connecting rod bearings.

7. Suitable for Engine Rebuilding

Offered as a replacement option for worn, damaged, cracked, or otherwise unsuitable crankshafts during diesel engine repair and overhaul.

8. Construction Machinery Engine Parts

Suitable for compatible excavator engines, construction equipment, and industrial diesel engine maintenance applications.

Compatible Engine Models

Reference Engine Model:

• C4.4 Diesel Engine

Reference Part Number:

• A1998W0

Reference Equipment Applications:

• Compatible Excavators

• Construction Machinery

• Industrial Diesel Engine Equipment

• Heavy Equipment Engine Applications

• Other Machinery Equipped with Compatible C4.4 Engines

Important Compatibility Notice

Compatibility may vary depending on the engine serial number, crankshaft configuration, bearing journal dimensions, crankshaft stroke, shaft end connections, and original equipment part number.

Please verify the original crankshaft identification, engine model, and dimensional specifications before purchasing.

The listed engine and machinery applications are provided as references and do not guarantee compatibility with every engine configuration.

Product Applications

The A1998W0 crankshaft is offered for compatible applications involving:

• C4.4 Diesel Engine Repair

• Excavator Engine Crankshaft Replacement

• Diesel Engine Rebuilding and Overhaul

• Construction Machinery Engine Maintenance

• Industrial Diesel Engine Servicing

• Engine Rotating Assembly Repair

• Heavy Equipment Engine Replacement Parts

Installation and Maintenance Recommendations

Correct crankshaft installation is essential for reliable diesel engine operation.

Before installation:

1. Verify the original crankshaft part number and engine specifications.

2. Inspect the engine block and main bearing housing for damage.

3. Check crankshaft main journal and crankpin dimensions.

4. Confirm the correct main bearings and connecting rod bearings.

5. Measure bearing oil clearances according to the engine manufacturer's specifications.

6. Inspect crankshaft end play and thrust bearing arrangement.

7. Follow the engine manufacturer's tightening sequence and torque specifications.

8. Confirm the engine lubrication system is clean and functioning correctly.

Crankshaft installation should be performed by qualified diesel engine technicians using the corresponding engine service manual.

Why Choose JISION?

Professional Construction Machinery Parts Supplier

JISION supplies replacement components for excavators, diesel engines, hydraulic systems, and heavy construction machinery.

Wide Range of Engine Spare Parts

Our product selection includes crankshafts, cylinder heads, cylinder blocks, pistons, piston rings, connecting rods, main bearings, connecting rod bearings, thrust washers, cylinder liners, and other diesel engine components.

International Parts Supply

We support construction machinery owners, diesel engine repair workshops, equipment maintenance companies, and international spare parts distributors with product sourcing inquiries.

Part Number Identification Assistance

Customers can provide original crankshaft part numbers, engine models, serial numbers, and product photos to help identify suitable replacement components.

Wholesale Inquiries Welcome

Contact JISION for wholesale quotations, product availability, and international shipping arrangements.

Ordering Information

Product Name: Forged Steel Diesel Engine Crankshaft

Reference Part Number: A1998W0

Reference Engine Model: C4.4 Diesel Engine

Application: Diesel Engine Crankshaft Assembly

To help ensure accurate product selection, please provide:

• Engine Model

• Engine Serial Number

• Original Crankshaft Part Number

• Crankshaft Casting or Forging Number

• Main Journal Diameter

• Connecting Rod Journal Diameter

• Crankshaft Stroke

• Shaft End Configuration

• Photos of the Existing Crankshaft

Contact JISION for product specifications, pricing, stock availability, wholesale inquiries, and international shipping information.

JISION – Reliable Diesel Engine Crankshafts and Replacement Parts for Excavators and Heavy Construction Machinery.