HomeEnginesCaterpillar C6.6 family

Caterpillar C6.6 Engine Family 2 variants

The Caterpillar C6.6 engine line groups 2 variant designations. Parts and fitment are pooled here so a cross-reference found on one variant surfaces for the whole family.

Variants in this family

2

Generator sets using this engine family

5
Caterpillar C6.6 Generator SetCaterpillar D125Caterpillar D150Caterpillar D175Caterpillar XQ175

Parts cataloged across the Caterpillar C6.6 family

16
Part #DescriptionCategory
S200-0369Maintenance-free battery, 1000 CCA (2)battery
S200-0632Starting and charging system, 24Vbattery
S200-1156Keyless battery disconnect switchbattery
S200-0863Keyless ignition stop/start switchignition
S200-1038Starting aid, thermalignition
S200-0578Directional signals, front & rearlight
S200-0758Halogen work lights, front & rearlight
S200-0957Roading lightslight
289-26305×5 fl ood, work lampslighting
TPL-489-COPERATING & MAINTENANCE OF D175other_service
g01162918Illustration 38 - Typical example (4) Ground to engine, (5) Ground to batteryother_service
i01489970Generator Isolating for Maintenanceother_service
i02234878Engine Stoppingother_service
i02328530Engine Stoppingother_service
i03991620Important Safety Informationother_service
g01162916Illustration 37 - Typical example (1) Starting motor to engine block, (2) Ground to starting motor, (3) Ground to batterystarter

Parts cataloged across all variants of this engine family — verify the exact part fits your specific variant and serial number before ordering.

Aftermarket parts that fit this family

60

Leads compiled from supplier catalogs across the family’s variants; verify the exact part for your variant and serial number.