C7 115‑1581 Forged Crankshaft With Gear Compatible with Construction Machinery Engine

1. Product Overview & Wholesale Price Range

The C7 Forged Crankshaft With Gear (Part # 115‑1581) is manufactured of high‑strength forged alloy steel for C7 diesel engine. Complete with timing gear, precision journal grinding and dynamic balance treatment. It converts piston reciprocating motion into rotational power for heavy‑duty construction equipment.

• Factory Wholesale Price: $680‑860 USD / piece Direct factory supply, favorable bulk price for repair shops and distributors
• Material: Forged Alloy Steel, precision grinding, integrated timing gear
• MOQ: 1 Piece, bulk discount for large quantity orders
• Stock Lead‑time: In stock, 1‑3 working days dispatch for worldwide customers
• Warranty: 12‑month replacement warranty, dimension & crack & gear‑tooth inspection before shipment

2. Engine & Application Compatibility List

Perfect fit for C7 diesel engine, widely applied on construction machinery:

• Engine Model: C7
• OEM Part Number: 115‑1581
• Structure: Forged crankshaft assembly with integrated timing gear
• Applications: Excavators, wheel loaders and other heavy‑duty construction machinery

3. Common Crankshaft & Gear Failure Phenomena

• Journal scoring & wear: Caused by poor lubrication or damaged bearing shells. Replace crankshaft directly when journals suffer heavy wear.
• Gear tooth wear / chipping: Abnormal meshing will lead to timing failure. Check gear teeth condition during engine overhaul.
• Shaft bending & distortion: Caused by engine seizure or heavy impact. Do not straighten deformed crankshaft; install brand‑new forged unit.
• Fatigue crack: Occurs under long‑term cyclic heavy load. Strict crack detection before delivery to prevent engine internal fracture.
• Oil‑seal journal wear: Causes engine oil leakage. Check oil‑seal position while replacing crankshaft assembly.

4. Related Popular Diesel Engine Spare Parts

5. Frequently Asked Questions

Q1: How do I confirm this crankshaft fits my C7 engine?
A: Confirm OEM number 115‑1581. Send your engine serial number for cross‑check compatibility before placing order.

Q2: What quality checks before shipment?
A: Each crankshaft undergoes journal dimension measurement, crack inspection, gear‑tooth check and dynamic balance test for stable heavy‑load operation.

Q3: Can you supply full overhaul spare‑parts for C7 engine?
A: Yes, connecting rods, piston kits, bearing shells and full overhaul kits are available for one‑stop engine rebuild purchasing.