CAT C12 Engine Assembly - New
Caterpillar
CAT C12 Engine Assembly
New
- Supplied as
- Engine Assembly
- Arrangement / engine number
- Confirm against engine plate
- Reference displacement
- 12 L
- Reference configuration
- Inline six-cylinder, four-stroke diesel
Manufacturer reference data; the supplied build must be confirmed.
Manufacturer application references
- Cat identifies C12 as a commercial marine propulsion engine in its reference page; this is an application example only.
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 listing offers a new CAT C12 complete engine assembly, with a 1-year standard brand warranty and an included technical matching review.
The Cat C12 is a 12-liter inline-six diesel family. Caterpillar's commercial marine reference documents its core geometry, while the supplied engine or short-block package must be checked separately for scope and configuration.
Configuration & included components
- Engine model: C12.
- Condition: New.
- Offered build: genuine OEM.
- Supply scope: complete engine assembly. Included components are confirmed in the order specification.
Confirm the supplied fuel system, starter, alternator, flywheel housing, sump, controls and cooling connections. Radiators, compressors and configuration-specific injectors or accessories can be quoted where available.
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
Manufacturer reference data is shown below for the identified model or named application. Ratings, emissions equipment, dimensions and accessories depend on the exact build; these figures are not a certification of the supplied assembly.
| Specification | Reference details |
|---|---|
| Reference configuration | Inline six-cylinder, four-stroke diesel |
| Reference displacement | 12 L |
| Reference bore | 130 mm |
| Reference stroke | 150 mm |
| Reference aspiration | Turbocharged and aftercooled |
| Reference rotation | Counterclockwise from flywheel end |
| Commercial marine reference rating | 254–366 kW at 1,800–2,300 rpm; marine example only |
Technical details
- Caterpillar's marine specification provides dimensional engine-family reference points.
- The commercial marine page documents a turbocharged, aftercooled build; that equipment list is specific to the marine product.
Order support and optional services
- Technical review and matching to your current engine assembly are included at no charge. Send the full engine plate and installation details for this review.
- Engine testing video, custom testing requirements, packaging and labeling are available on request; confirm the agreed scope, cost and timing before order confirmation.
- Pre-dispatch inspections are welcome and chargeable. Ask about inspection arrangements before dispatch.
Technical references
Applications & fitment
Documented application references
- Cat identifies C12 as a commercial marine propulsion engine in its reference page; this is an application example only.
Application references help identify an engine family; they do not establish a direct fit for every machine using that family.
Confirm your engine match
- Send a clear photograph of the complete engine plate, including the serial number, full model suffix and arrangement or build number where shown.
- Include the machine model, serial number and use case, plus photographs of the current engine and its mounting, flywheel and driven-equipment connections.
- Marine rating, cooling hardware and emissions status cannot be transferred to an unverified land engine or short block.
Request a configuration review for this engine at info@nyengines.com. Include product code NYE-CAT-C12-N-GEN-ENG so we can identify the listing and quote the required drop-in configuration.
Buyer guide
- Check the C12 serial and arrangement numbers plus intended machine or installation before comparing mounts, flywheel housing and controls.
- For a short block, obtain the exact included-parts list. Cylinder head, fuel system, turbo, electronics and external accessories must not be assumed included.
Buying questions
Does this include a complete marine engine?
The Cat source describes a marine reference. The actual listing scope and accessories must be confirmed separately.
Is a C12 short block ready to install?
A short block is a different assembly scope from a complete engine; verify its component list and the reusable parts required for the project.