6D140 6211‑31‑1010 Engine Crankshaft Compatible with Construction Machinery Engine

1. Product Introduction & Wholesale Price Range

6D140 Forged Steel Engine Crankshaft OEM 6211‑31‑1010 is made of high‑strength integral forged steel. Main journal and rod journal adopt surface quenching hardening. Each unit completes precision grinding, oil hole polishing and strict dynamic‑balance test for long‑time heavy‑load operation.

• Factory Wholesale Price: $420‑580 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 6D140 direct‑injection diesel engine, widely fitted for construction machinery equipment:

• Engine Model: 6D140 Direct‑Injection Diesel Engine
• OEM Part Number: 6211‑31‑1010
• Product Name: Forged Steel Engine Crankshaft
• Application: Excavators, 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 6D140 Engine Spare Parts List

5. FAQ

Q1: How can I confirm this crankshaft fits my engine?
A: Please check OEM number 6211‑31‑1010, confirm your engine is 6D140 direct‑injection 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 6D140 engine?
A: Yes, we have connecting rod, piston kits, bearing shells and full overhaul kits for one‑stop purchasing.