مضخة هيدروليكية 9T6857 9T-6857 لـ لودر حفار Caterpillar 416 428

Caterpillar 9T-6857 / 9T6857 Hydraulic Piston Pump
Main Working Pump for CAT 416, 428 Backhoe Loader | BELPARTS Construction Machinery Hydraulic Parts
1. Basic Information
Part Name: Variable Displacement Axial Piston Hydraulic Pump
Main PN: 9T-6857, 9T6857
Cross PN: 4T-6895, CA9T6857
Applicable Equipment: Caterpillar 416, 428 backhoe loader (matches 4.236 / T4.236 engine)
Product Grades: Genuine Original New, Premium Aftermarket New
Warranty: 12 months for genuine products, 6–12 months for aftermarket pumps
Net Weight: 18.7 kg
Stock Status: In stock, shipped within 3–7 working days after order confirmation
2. Core Product Advantages
Strictly produced according to OEM specifications, fully matches the original hydraulic system of CAT backhoe loaders
Load sensing control automatically adjusts output flow to reduce fuel consumption and power waste
Optimized internal friction pair structure with good pressure stability and low internal leakage
Standard mounting dimensions, oil ports and spline shaft, direct bolt-on replacement without modification
High-strength pump body and upgraded sealing components, stable operation under long-term construction working conditions
Every finished pump passes hydraulic pressure, flow and leakage bench testing before delivery
3. Technical Parameters
Pump Type: Variable displacement axial piston pump
Max working pressure: 28.5 MPa
Control mode: Load sensing pressure compensation control
Input shaft: Standard OEM spline
Rotation direction: Original factory standard rotation direction
Application: Provides hydraulic power for bucket, boom and steering system of backhoe loader
4. Compatibility & Cross Reference List
Applicable machines: CAT 416, CAT 428 backhoe loader
Interchange PN list: 9T-6857, 9T6857, 4T-6895, CA9T6857
5. BELPARTS Competitive Strength
Focused on CAT backhoe hydraulic pumps. Two quality options to meet different procurement demands. Complete QC inspection system ensures stable performance. Adequate inventory supports global sea and air transportation. Supply professional installation guidance and after-sales technical support.
6. Common FAQ
Q1: Are hyphenated and non-hyphenated part numbers interchangeable?
A: 9T-6857 and 9T6857 are the same part with different writing formats and can be used interchangeably.
Q2: What is the difference between genuine new and aftermarket pumps?
A: Genuine original parts are factory original assemblies with consistent original performance; high-precision aftermarket products meet OEM parameters with cost advantages.
Q3: Delivery schedule?
A: Goods are in stock and delivered within 3–7 working days with global logistics available.