The engine in the Cat 303.5E2 Mini Excavator
On the Cat 303.5E2 Mini Excavator, the Cat C1.7 is a 1.7L / 104 cu in 4-cyl inline diesel with a bore and stroke, rated around @ 2800 rpm, built to Tier 4 Final emissions. If you are replacing the engine in a Cat 303.5E2 Mini Excavator, this is the unit to match. Call with your engine serial number and we will confirm the exact fit before you buy.