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Engine Compatibility - Cat 12M

Cat 12M Motor Grader

Looking for the engine that belongs in the Cat 12M? It uses the Cat C6.6 - a 6.6L / 403 cu in 6-cyl inline diesel. We keep new-surplus and rebuilt Cat C6.6 units in stock for the Cat 12M and ship 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
Motor Grader

The engine in the Cat 12M

On the Cat 12M, 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 12M, 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 12M

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 12M ->
Call (855) 384-6071
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