Komatsu PC300-8 fuel injection pump 4954200 6745-71-1170 Cummins 6CT fuel pump ISC engine pump 3973228 4921431

Description

Komatsu PC300-8 fuel injection pump 4954200 6745-71-1170 Cummins 6CT fuel pump ISC engine pump 3973228 4921431

OEM Fuel Injection Pump for Komatsu PC300-8 with Cummins 6CT/ISC/QSC/ISL Engine

◆ Product Overview
A premium-grade fuel injection pump designed for the Komatsu PC300-8 excavator, specifically for models equipped with Cummins 6CT, ISC, QSC, or ISL series diesel engines. This direct OEM replacement is compatible with part numbers 4954200, 6745-71-1170, 6745-71-1180, 3973228, 4921431, and 4902731. It ensures precise fuel delivery, optimal combustion, and restoration of factory-rated power, torque, and efficiency for demanding earthmoving and construction tasks.

◆ OEM Part Numbers
✓ 4954200
✓ 6745-71-1170
✓ 6745-71-1180
✓ 3973228
✓ 4921431
✓ 4902731

◆ Compatible Equipment & Engine
✓ Komatsu PC300-8 Excavator
✓ Cummins 6CT Engine
✓ Cummins ISC Engine
✓ Cummins QSC Engine
✓ Cummins ISL Engine (Verify specific model compatibility)

◆ Product Specifications
✓ Condition: 100% New or Premium Remanufactured (As Specified)
✓ Type: High-Pressure Fuel Injection Pump Assembly
✓ Application: Heavy-Duty Excavator Diesel Engine
✓ Calibration: Pre-set to Cummins/Komatsu factory specifications for fuel delivery, timing, and pressure.

◆ Key Features
✓ Direct Multi-Application Fit: Engineered for exact compatibility with the PC300-8 excavator platform using specified Cummins engine families.
✓ Precision Fuel Metering: Delivers accurate injection timing and quantity for maximum engine efficiency, digging power, and fuel economy.
✓ Robust Construction: Built to withstand the high-pressure, high-vibration environment of continuous excavation cycles.
✓ Performance Restoration: Effectively addresses critical engine issues such as severe power loss, excessive smoke, poor throttle response, and hard starting.

◆ Quality Assurance
✓ Comprehensive Bench Testing: Each unit is tested to verify flow rates, pressure curves, and governor function.
✓ Leak & Pressure Integrity Tested: All seals and internal components are validated to prevent failures.
✓ Calibration Certified: Set to meet stringent OEM standards for performance, durability, and emissions.

◆ Installation Applications
✓ Complete replacement of a failed or underperforming main injection pump on a Komatsu PC300-8 with a compatible Cummins engine.
✓ Major fuel system overhaul during engine rebuild or scheduled major service.
✓ Correction of diagnostic trouble codes related to fuel pressure and delivery.
✓ Preventive maintenance to ensure long-term reliability and minimize costly unscheduled downtime.

◆ Service Advantages
✓ Maximizes Excavator Productivity: Restores full digging force and cycle times, critical for project timelines.
✓ Protects a High-Value Asset: Proper fuel system function is key to the longevity and resale value of your PC300-8.
✓ Reduces Operating Costs: Optimized combustion improves fuel efficiency and reduces waste.
✓ Simplified Sourcing: One pump assembly covers multiple related part numbers for the PC300-8 Cummins application.

Inquiry Us