The 9D7849 Piston is a precision-engineered engine component designed for Caterpillar 776, 785, 789, and 773E off-highway trucks. Manufactured from premium high-strength alloy materials and machined to OEM standards, this piston offers excellent resistance to high temperatures, heavy loads, and continuous wear. It helps maintain efficient combustion, stable engine performance, and extended service life, making it an ideal choice for engine overhaul, repair, and replacement in demanding mining and quarry applications.
Provides reliable combustion support and stable engine performance under heavy-duty conditions
Surface Treatment / Protection
Precision machined surfaces with wear-resistant treatment
Dimensions & Structure
OEM standard configuration
Function / Installation Position
Engine cylinder piston position
Operating Conditions
Heavy-duty diesel engine operation
Compatible Models
776, 785, 789, 773E
System
Engine combustion system
Weight
59.4 kg
Packaging
Industrial carton + foam protection
Lead Time
30–90 days
Shipping Method
Sea / Air / Land
Payment Method
USD / RMB / RUB
Warranty
6 months
Features & Benefits
Precision-engineered 9D7849 Piston for Caterpillar heavy-duty diesel engines
Excellent heat resistance and wear resistance under high-load operating conditions
Precision-machined to OEM specifications for accurate fit and reliable sealing performance
Optimized combustion efficiency to support stable engine power output
Suitable for genuine replacement, OEM, and premium aftermarket engine rebuilds
Backed by a 6-month warranty
Compatible Machine
The 9D7849 Piston is compatible with the following Caterpillar equipment:
Caterpillar 776 Off-Highway Truck
Caterpillar 785 Mining Truck
Caterpillar 789 Mining Truck
Caterpillar 773E Off-Highway Truck
If you are unsure whether this piston fits your machine or engine, simply provide your machine serial number (PIN) or engine serial number, and our technical team will verify compatibility before shipment.
Applications
The 9D7849 Piston is designed for Caterpillar mining and heavy construction equipment operating in demanding environments, including:
Open-pit mining operations
Quarry and aggregate production
Heavy-duty material hauling
Large-scale earthmoving projects
Infrastructure and industrial construction
Continuous high-load hauling applications
Its robust construction helps maintain engine efficiency, reduce wear, and ensure reliable performance in harsh working conditions.
Why Choose YLCM?
YLCM is a trusted supplier of genuine, OEM, and high-quality aftermarket spare parts for Caterpillar, Komatsu, Cummins, Hitachi, Volvo, and other leading construction equipment brands.
We provide:
Genuine, OEM, and premium aftermarket engine parts
Competitive factory-direct pricing
6-month product warranty
Fast worldwide shipping
Professional export-standard packaging
Technical support before and after sales
OEM part number verification
Extensive export experience serving customers across Europe, Southeast Asia, the Middle East, Africa, and South America
In addition to pistons, we also supply engine overhaul kits, cylinder liners, piston rings, bearings, crankshafts, cylinder heads, turbochargers, hydraulic components, filters, and a complete range of replacement parts.
Packaging & Shipping
Every 9D7849 Piston is carefully packed to ensure safe international transportation.
Packaging options include:
Individual protective packaging
Export-standard wooden crate
Moisture-proof and anti-corrosion protection
Carton or pallet packaging for bulk orders
Sea freight
Air freight
Express courier services
Multimodal logistics solutions
Each shipment is securely packaged to minimize transportation risks and ensure the product arrives in excellent condition.
Request a Quote
Looking for the 9D7849 Piston for Caterpillar 776 / 785 / 789 / 773E?
Contact YLCM today to receive:
Latest quotation
Delivery lead time
Packing details
Shipping solutions
Technical support
OEM part verification
Our experienced sales team will provide a fast response, competitive pricing, and professional service tailored to your equipment maintenance and overhaul requirements.
