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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 E7 Mechanical Engines
Diesel Truck Engines

Classic pre-emissions Mack E7 with mechanical injection—simple, serviceable, and widely supported.

  • Displacement ~12.0L with multiple rating options
  • Mechanical pump (no ECU) for straightforward service
  • Strong parts availability for rebuild/refresh

Buyer’s Notes (What to Look For)

  • Verify liner protrusion and head gasket history
  • Oil sample for fuel dilution and wear metals
  • Check turbo/manifold for cracks and leakage

Common Service Items

  • Fuel system wear (pump/injectors) on high hours
  • Exhaust manifold gaskets/studs
  • Charge-air piping leaks impacting boost
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Complete List Of All Mack Diesel Truck Engines We Sell