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Engine Compatibility - Cat 320

Cat 320 Excavator

The Cat 320 excavator is powered by the Cat C6.6 - a 6.6L / 403 cu in, 6-cyl inline diesel. We stock new-surplus and rebuilt Cat C6.6 engines for the Cat 320, shipped from Houston.

Engine: Cat C6.6 6.6L / 403 cu in 140–210 HP @ 2200 RPM New Surplus & Rebuilt
Engine
Cat C6.6
Displacement
6.6L / 403 cu in
Power
140–210 HP @ 2200 RPM
Machine Type
Excavator

The engine in the Cat 320

On the Cat 320, the Cat C6.6 is a 6.6L / 403 cu in 6-cyl inline diesel with a 105 x 127 mm bore and stroke, rated around @ 2200 rpm, built to Tier 3/4 emissions. If you are replacing the engine in a Cat 320, this is the unit to match. Call with your engine serial number and we will confirm the exact fit before you buy.

In stock - buy

Cat C6.6 engine for the Cat 320

New-surplus and rebuilt units available, shipped nationwide from Houston. View the listing for current availability, or call to confirm fitment against your engine serial number.

Buy: Cat C6.6 engine for Cat 320 ->
Call (855) 384-6071
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