Cummins QSB 4.5 Rebuilt Engine
Description
Cummins QSB 4.5 Rebuilt Engine In Perfect condition.
Overview
Like the Cummins 4BT, the QSB 4.5L is based on 5.9L architecture. The engine shares the same bore diameter as the 4BT (3.9L) and 6BT/ISB 5.9L. However, the QSB 4.5L features a much longer 5.39″ stroke, versus the 5.9L/3.9L’s 4.72″ stroke. The engine was designed for industrial applications, though it has attracted some attention for engine swaps. In terms of its likelihood for a conversion, the greatest downfalls are the electronic controls and relatively low availability.
4.5L CUMMINS QSB SPECS
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Configuration: |
Inline 4 cylinder, B series engine family |
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Displacement: |
275 cubic inches, 4.5 liters |
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Bore x Stroke: |
4.02 inches x 5.39 inches |
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Injection: |
High pressure common rail, up to 1,600 BAR |
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Aspiration: |
Holset Turbocharger, intercooled. |
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Weight: |
745 lbs |
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Horsepower: |
110 – 173 hp @ 2,200 – 2,500 rpm |
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Torque: |
305 lb-ft @ 1,500 rpm |
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Engine Dimensions: |
Length |
Width |
Height |
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32.2″ |
28.1″ |
34.5″ |
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