C7.1 170719 Engine Crankshaft Compatible with Construction Machinery Engine

1. Product Overview & Wholesale Price Range

The C7.1 Forged Steel Engine Crankshaft (Part # 170719) adopts high‑strength integral forged steel blank for C7.1 diesel engine. Precision journal grinding, oil hole polishing and strict dynamic balance calibration. Excellent wear‑resistance and anti‑fatigue performance for harsh heavy‑duty working scenarios.

• Factory Wholesale Price: $520‑680 USD / piece Direct factory supply, bulk discount for repair workshops and machinery spare‑parts distributors
• Material: Integral forged steel, journal surface quenching hardening
• Processing: Precision grinding, oil‑hole deburring, strict dynamic‑balance inspection
• MOQ: 1 Piece, preferential price for bulk purchasing
• Stock Lead‑time: In stock, 1‑3 working days dispatch for global clients
• Warranty: 12‑month replacement warranty, full inspection before shipment

2. Engine & Application Compatibility List

Direct‑fit forged crankshaft for C7.1 diesel engine, widely used for construction machinery:

• Engine Model: C7.1 Diesel Engine
• OEM Part Number: 170719,170721,170733,170814,170816,170829,170843
• Structure: Forged Steel Engine Crankshaft
• Applications: Excavators and other heavy‑duty engineering machinery equipment

3. Common Crankshaft Failure Modes

• Journal wear & scratch: Caused by poor lubrication or dirty engine oil, will trigger abnormal engine knocking noise.
• Crankshaft bending deformation: Engine seizure or connecting rod impact causes distortion, deformed crankshaft must be replaced.
• Fatigue crack & fracture: Risk comes from long‑term alternating load. Every crankshaft passes strict quality test before delivery.
• Oil‑hole edge burr damage: Burr will scratch bearing shell, strictly polished during production process.
• Dynamic balance offset: Will cause severe engine vibration, each crankshaft finished dynamic balance calibration.

4. Matching Diesel Engine Spare Parts

5. Frequently Asked Questions

Q1: How do I confirm this crankshaft fits my C7.1 engine?
A: Cross‑check OEM No.170719 and alternative numbers, confirm it is for C7.1 engine. Send engine serial number for compatibility confirmation before placing order.

Q2: What quality inspections are carried out before shipment?
A: Each crankshaft gets journal dimension measurement, surface inspection and dynamic balance test before packing.

Q3: Can you provide full overhaul spare‑parts for C7.1 engine?
A: Yes, connecting rods, piston kits, bearing shells and full overhaul kits for one‑stop engine rebuild procurement.