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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!

Never a Core Charge

Mack E-TECH 427 Engines
Diesel Truck Engines

E-TECH electronic E7 calibrated to approximately 427 HP—balanced performance for highway/vocational duty.

  • Factory rating ~427 HP (verify by ESN/ECU)
  • Electronic controls, strong midrange torque
  • Well-supported for overhaul and parts

Buyer’s Notes (What to Look For)

  • Confirm ECU calibration and governed speed
  • Check injector trims and balance at warm idle
  • Review maintenance records for cooling and oil changes

Common Service Items

  • Injector/injection system wear with mileage
  • Boost/charge-air leaks reducing efficiency
  • Manifold gasket and stud fatigue
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Complete List Of All Mack Diesel Truck Engines We Sell