CAT C6.6 Engine Assembly - New OEM Build
Caterpillar
CAT C6.6 Engine Assembly
New OEM Build
- Supplied as
- Diesel Engine Assembly
- Arrangement / engine number
- Confirm against engine plate
- Displacement
- 6.6 L
- Configuration
- Inline 6, four-stroke diesel
Manufacturer reference data; the supplied build must be confirmed.
Manufacturer application references
- Cat lists construction, material handling, mining and agriculture among C6.6 industrial applications.
Confirm the full engine suffix, arrangement and machine serial number for an exact match.
With your order
- 1-year standard brand warranty Included
- Technical review & engine matchingIncluded at no extra cost. We compare the proposed engine with your current assembly using its data plate, arrangement and configuration to confirm the exact match before ordering. Included
- Complete engine testing video On request
- Custom packaging and pallet labeling On request
- Custom testing requirements On request
More service options
Pre-dispatch inspection welcomeOptional paid
Radiator, compressor, injector and configuration add-onsBy quote
Any extra cost and preparation time are agreed before proceeding.
Explore engine servicesFreight is charged per engine and shown at checkout.
- No core deposit or return
- International shipping on all engines
Product details
Engine overview
This CAT C6.6 listing offers a new engine assembly.
The Cat C6.6 ACERT is a 6.6 L inline-six industrial diesel. Cat's reference version is turbocharged, aftercooled and direct injected; exact rating and emissions equipment depend on the arrangement.
Configuration & included components
- Condition: New.
- Assembly scope: Engine assembly.
- Confirm the included components and installation arrangement with NY Engines before ordering.
Warranty & delivery
- 1-year standard brand warranty
- There is no core deposit and no requirement to return your old engine.
- International DDP: Available for all engines, with estimated delivery in 2–3 weeks. Duties, tariffs, import taxes and customs fees are included.
- Freight is charged per engine and shown at checkout.
Technical specifications
The figures below are manufacturer reference data for the versions identified. Final output, dimensions, controls and emissions equipment depend on the engine build and application.
| Specification | Details |
|---|---|
| Configuration | Inline 6, four-stroke diesel |
| Bore | 105 mm |
| Stroke | 127 mm |
| Displacement | 6.6 L |
| Aspiration | Turbocharged and aftercooled |
| Combustion | Direct injection |
| Cooling | Water cooled |
| Flywheel-end rotation | Counterclockwise |
| Compression ratio | 16.2:1 on cited Tier 3/Stage IIIA industrial version |
| Reference rating range | 89-205 bkW at 2,200-2,500 rpm on cited industrial version |
| Reference flywheel housing | SAE No. 2 or No. 3 options on cited C6.6 |
| Reference PTO options | SAE A or SAE B on cited C6.6 |
Technical details
- The cited industrial version uses Cat common-rail injection.
- ADEM A4 electronic control and J1939 engine-status broadcast are listed for this version.
- Cat offered multiple PTO and flywheel-housing choices for this configuration.
Technical references
Applications & fitment
Documented application references
- Cat lists construction, material handling, mining and agriculture among C6.6 industrial applications.
Application examples identify documented uses of the engine family. Confirm fitment against the machine and engine serial numbers before ordering.
Confirm your engine match
- Request the engine build sheet, component list and test record to confirm this assembly's scope and condition.
- Provide the existing engine serial and arrangement plus the machine PIN. Compare mounts, flywheel housing, cooling and fuel systems, electronics, accessories and emissions configuration.
For fitment checks, availability or a quote, email info@nyengines.com with your engine data-plate photo, machine details and required assembly scope.
Buyer guide
- The C6.6 industrial reference offers SAE No. 2 or No. 3 flywheel housings and SAE A or B PTO choices. Identify the installed drive interface before ordering.
- The cited C6.6 uses Cat common-rail fueling, ADEM A4 control and J1939 diagnostics. Compare ECM, harness and machine control requirements with the offered build.
- Cat lists a front-sump oil pan on this industrial configuration; verify sump clearance and pickup arrangement in the target machine.
Buying questions
Which flywheel housing and PTO options are documented for this C6.6?
Cat lists SAE No. 2/3 housings and SAE A/B PTO options for its cited industrial version. The offered assembly's selected options need confirmation.
Does the cited C6.6 use electronic common-rail control?
Yes. Cat lists a common-rail fuel system, ADEM A4 ECU and J1939 engine-status broadcast for this specific industrial configuration.