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Caterpillar 20R-0686 Engine Overhaul Kit


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Engine Displacement15.2 L
Cylinder ConfigurationInline 6
Bore Diameter137 mm
Stroke171 mm
Compression Ratio16.5:1
Aspiration TypeTurbocharged Aftercooled
Kit TypeOut-of-Frame Overhaul
Cylinder Count6
Manufacturer No.
20R-06860R-8017OK306
OEM Part No.
20R-06860R-8017
Engine Part No.
Caterpillar C15 ACERTCaterpillar 3406E
Interchange No.
OK306
Fitment Vehicles
Caterpillar 621GCaterpillar 623GCaterpillar 627G

Engine System - Industrial Encyclopedia

Complete out-of-frame engine overhaul kit 20R-0686 for Caterpillar C15 ACERT engines in 621G, 623G, 627G Wheel Tractor Scrapers. Contains cylinder liners, pistons, rings, and gasket sets.