404 072143601 Engine Crankshaft Compatible with Construction Machinery Engine

1. Product Introduction & Wholesale Price Range

404 Forged Steel Engine Crankshaft OEM 072143601(072145696) is manufactured from high‑strength integral forged steel. Main journal and rod journal adopt surface quenching hardening. Each crankshaft passes precision grinding, oil‑hole polishing and strict dynamic‑balance test for long‑time heavy‑load working.

• Factory Wholesale Price: $310‑460 USD / Piece Factory direct supply, bulk discount for repair shops and spare‑parts distributors
• Raw Material: Integral forged steel
• Processing: Journal hardening, precision grinding, oil‑hole deburring, dynamic‑balance calibration
• MOQ: 1 Piece, better price for bulk orders
• Delivery Lead‑time: Ready stock, ship out within 1‑3 working days
• Quality Warranty: 12‑month replacement warranty, full inspection before packing

2. Compatibility Information

Direct replacement crankshaft for 404 diesel engine, widely fitted for construction machinery equipment:

• Engine Model: 404 Diesel Engine
• OEM Part Number: 072143601 / 072145696
• Product Name: Forged Steel Engine Crankshaft
• Application: Excavators, small heavy‑duty engineering machinery

3. Common Crankshaft Damage Analysis

• Journal scratch & wear: Caused by poor lubrication or dirty oil, will produce abnormal knocking noise during engine running.
• Bending & twisting deformation: Occur after engine seizure or connecting rod collision. Deformed crankshaft cannot be repaired and needs replacement.
• Fatigue crack: Generated under long‑term alternating load. Every crankshaft passes strict quality test before shipment.
• Dynamic balance deviation: Will lead to violent engine vibration, each product finished dynamic‑balance test.

4. Matching 404 Engine Spare Parts List

5. FAQ

Q1: How can I confirm this crankshaft fits my engine?
A: Please cross‑check OEM number 072143601 /072145696, confirm your engine is 404 type. Send engine serial number for double‑check before order.

Q2: What inspections you do before delivery?
A: We test journal dimension, surface condition and dynamic balance for every crankshaft before packing.

Q3: Do you supply complete overhaul spare‑parts for 404 engine?
A: Yes, we have connecting rod, piston kits, bearing shells and full overhaul kits for one‑stop purchasing.