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JSJ DIESEL SALES

South Florida's #1 Truck Diesel Engine Dealer!

We Sell:  Good Used / Surplus / New / Reman / Rebuilt
Diesel Truck Engines!

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International MaxxForce 10 — 9.3L
Diesel Truck Engines

The International MaxxForce 10 — 9.3L is a proven choice across school bus, medium-duty, and regional vocational fleets. JSJ Diesel supports both used take-outs and full rebuilds for this platform and can help you match the right engine to your chassis, emissions requirements, and duty cycle.

Selecting the correct MaxxForce 10 — 9.3L for your application is less about chasing a single “best” variant and more about aligning software families, harness connectors, turbo and EGR (if equipped), and your cooling package.

Fitment & Architecture — What to Verify First

  • 1
    ECM family & connectors: Match ECU generation and main connectors to your cab harness.
  • 2
    Emissions package: Pre-EGR vs. EGR vs. DPF/DEF changes turbo routing, sensors, and legality.
  • 3
    Cooling package: Radiator condition, shroud alignment, fan clutch health, and thermostat housing orientation.
  • 4
    Charge-air integrity: Pressure-test the CAC to 20–30 psi and replace suspect boots.
  • 5
    SAE fit: Verify flywheel housing size, mounts, accessory brackets, and belt routing.

Used Take-Out or Rebuild — Which Is Right for You?

  • 1
    Clean used take-out: Fast when documented: ECM screenshots, oil analysis, before-pull video/dyno, and clear tag photos.
  • 2
    In-frame / out-of-frame rebuild: Best for long-term service life and predictable intervals.
  • 3
    Hybrid approach: Drop a good long block, refresh water pump, oil cooler, turbo, and high-failure sensors.

Pre-Buy Checklist (Save Time on the Stand)

  • 1
    VIN / ESN & ECM: Record hours/miles, rating, faults; photograph each page.
  • 2
    Fuel & oil analysis: Watch for coolant, fuel dilution, silicon, and wear metals.
  • 3
    Turbo health: Endplay/spin checks; pair with a clean CAC.
  • 4
    Aftertreatment baseline: DPF ash load, regen history, dosing/NOx sensors, differential pressure.
  • 5
    Cooling sanity: Fan control, shroud fit, radiator condition.

Troubleshooting Patterns We See

  • 1
    Pull feels weak: Re-test CAC hot; check exhaust backpressure from damaged mufflers or collapsed flex.
  • 2
    Intermittent faults: Inspect loom for chafe at brackets/heat shields and clean grounds.
  • 3
    High EGTs: Verify fan clutch engagement and shroud alignment before parts-chasing.
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Complete List Of All International Diesel Truck Engines We Sell