Crankshaft Assembly is a heavy‑duty core rotating component, precisely engineered for CAT 3406B and 3406C diesel engines. Constructed from premium forged alloy steel with journal hardening heat‑treatment, it provides great torsion resistance and anti‑fatigue performance to withstand long‑term heavy‑load mining and construction working environments.
Factory‑inspected to comply with Caterpillar OEM dimensional tolerance requirements
Complete assembly ready for professional engine overhaul and direct replacement
Compatible Machine
This crankshaft ass’y is compatible with:
CAT 3406B Diesel Engine
CAT 3406C Diesel Engine
CAT 769,773 Off‑Highway Truck
CAT 988B / 988C Wheel Loader
CAT D8K, D9R Bulldozer
If you’re unsure whether this crankshaft matches your machine, simply provide your machine serial number (PIN) or engine serial number, and our technical team will verify compatibility before shipment.
Applications
The 100‑7408 crankshaft assembly acts as the core rotating power component for CAT 3406B / 3406C heavy‑duty engines, widely deployed in multiple harsh operating scenarios:
Its robust mechanical performance prevents catastrophic engine breakdown and helps reduce costly unplanned downtime for mining, construction and industrial fleets.
Why Choose YLCM?
YLCM specializes in supplying genuine Caterpillar, OEM and premium aftermarket spare parts for construction and mining machinery worldwide. We provide:
Genuine Caterpillar engine core spare parts including crankshaft assemblies
High‑quality aftermarket replacement components with strict pre‑shipment inspection
Competitive factory‑direct pricing without middleman markup
Fast worldwide delivery options
Standard professional export‑grade packaging
Pre‑sales part‑number verification and after‑sales technical support
Extensive export experience serving customers in Russia, Southeast Asia, the Middle East, Africa, and South America
In addition to crankshaft assemblies, we also supply hydraulic parts, undercarriage parts, engine components, electrical parts, filters, and a full range of Caterpillar replacement parts.
Packaging & Shipping
Every 100‑7408 Crankshaft Ass’y is professionally packed to ensure safe international transportation. Packaging options include:
Anti‑rust oil coating & moisture‑proof protection
Heavy‑duty steel support frame
Export‑standard solid wooden crate
Sea freight
Railway transportation
Multimodal logistics solutions
Each crankshaft assembly is securely fixed inside the crate to avoid collision and deformation during long‑distance transit, ensuring arrival in excellent condition.
Request a Quote
Looking for the 100‑7408 Crankshaft Ass’y for CAT 3406C, 3406B diesel engine? Contact YLCM today to receive:
Latest quotation
Delivery lead time
Packing details
Shipping solution
Technical support
OEM part verification
Our experienced sales team will respond promptly with a competitive quotation and professional service tailored to your project requirements.
Frequently Asked Questions
Q: Is this a genuine Caterpillar part? A: We can supply both genuine Caterpillar original and high‑quality aftermarket versions for 100‑7408, to meet diverse customer needs and budget requirements. Please contact us if you have a specific preference, and we will be happy to assist.
Q: How do I confirm this part is correct for my machine? A: To ensure perfect compatibility, please provide your engine serial number (E/S), machine serial number (S/N), or the original part number to our team. We will verify the match for you promptly.
Q: What is the warranty on this product? A: This product comes with a standard 6‑month warranty against manufacturing defects.
Q: What is the typical shipping time? A: This item is generally in stock. The final lead time will be confirmed when we provide your official quote, based on your destination and shipping method preference.
