4HK1 8‑94376‑785‑0 Engine Crankshaft Compatible with Construction Machinery Engine

1. Product Overview & Wholesale Price Range

The 4HK1 Engine Crankshaft (Part # 8‑94376‑785‑0) adopts premium forged steel blank. Processed by high‑precision journal grinding and surface quenching heat‑treatment. Strict dimension inspection, dynamic balance test and non‑destructive crack detection guarantee stable heavy‑load performance.

• Factory Wholesale Price: $410‑530 USD / piece Direct factory source, favorable bulk price for repair shops and machinery spare‑parts distributors
• Material: High‑quality Forged Steel, precision journal grinding, quenching heat‑treatment, dynamic balance & crack inspection
• MOQ: 1 Piece, discount available for large‑volume orders
• Stock Lead‑time: In stock, 1‑3 working days dispatch for global customers
• Warranty: 12‑month replacement warranty, comprehensive quality inspection before delivery

2. Engine & Application Compatibility List

Direct replacement part for 4HK1 diesel engine, widely used on various heavy‑duty construction machinery:

• Engine Model: 4HK1
• OEM Part Number: 8‑94376‑785‑0
• Structure: Premium forged steel engine crankshaft assembly
• Applications: Excavators, wheel loaders and other heavy‑duty construction machines

3. Common Crankshaft Failure Conditions

• Journal scratch & wear: Caused by poor lubrication or contaminated engine oil. Replace crankshaft once wear exceeds tolerance value.
• Bending & twisting deformation: Result from engine seizure or piston collision. Brand‑new forged crankshaft is recommended instead of repairing deformed shaft for overhaul.
• Fatigue crack: Produced under long‑time cyclic heavy‑load. Each crankshaft passes crack detection before shipment to prevent fracture in operation.
• Oil‑seal journal abrasion: Will lead to engine oil leakage. Check oil‑seal position surface during engine maintenance and replacement.
• Counterweight damage: Causes abnormal vibration and noise. Full crankshaft assembly should be replaced once counterweight gets broken.

4. Supporting Diesel Engine Spare Parts

5. Frequently Asked Questions

Q1: How do I confirm this crankshaft fits my 4HK1 engine?
A: Please cross‑reference OEM number 8‑94376‑785‑0. Send us your engine serial number for compatibility check before placing your order.

Q2: What quality checks will be done before shipment?
A: Every crankshaft will complete dimension measurement, journal surface inspection, dynamic balance test and non‑destructive crack detection to ensure stable heavy‑load working performance.

Q3: Can you supply full overhaul spare‑parts for 4HK1 engine?
A: Yes, connecting rods, piston kits, bearing shells and full overhaul repair kits are available for one‑stop engine rebuild purchasing.