- +8613427233834
- 18820999946@163.com
- 13427233834@163.com
Water pump suitable for Caterpillar CAT C3.3 engines 257D, 259D, 279D, 289D for crawler loaders. Model: 387-9903
Product Name：Construction Machinery Engine Connecting Rod (Part No.: 3879839 / 387-9839)
Applicable Equipment：
- Machinery: Caterpillar 236D, 242D, 246D, 257D, 259D, 262D, 277D skid steer loaders
- Engine: Caterpillar C2.6 series diesel engines (used with piston 3879833, cylinder liner 3879838, etc.)
1 pc
MOQ
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Price
Product Description
Core Parameters：
- Part Number: 3879839 (also marked as 387-9839)
- Type: Engine Connecting Rod Assembly
- Structure & Material: High-strength forged steel, integral forging process; big end with copper-based bushing, small end with Babbitt metal bushing pre-installed
- Function: Converts the reciprocating linear motion of the piston into the rotary motion of the crankshaft, transmitting combustion pressure to the crankshaft for power output
Function & Application：
- Power Transmission: Connects the piston to the crankshaft, efficiently transmitting the explosive force of combustion to drive the crankshaft and generate power.
- Motion Conversion: Converts reciprocating motion to rotary motion, serving as the core transmission component for engine power output.
- Wear Resistance & Durability: High-wear-resistant alloy bushings at both ends, combined with precision-machined oil passages, ensure reliable lubrication and fatigue resistance for high-load construction machinery operation.
- OEM Compatibility: Precision manufactured to Caterpillar original tolerances, perfectly matching pistons, crankshafts, and cylinder liners. Ideal for engine overhaul to restore power and smooth operation.
Application Scenario：
Suitable for powertrain overhaul of Caterpillar C2.6 engines and corresponding skid steer loaders, resolving issues such as connecting rod bending/breaking, bearing wear, abnormal noise, and power loss. It is a core moving component to ensure reliable engine operation.
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No. 23 Bridge Pier, Chengfeng Excavator Parts, Baoye City Green Garden (East Area), Tongling Road, Datong Road Subdistrict, Yaohai District, Hefei, Anhui, China.
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13427233834
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18820999946@163.com
13427233834@163.com