Komatsu
Komatsu SAA6D125E-3 Engine Assembly
Remanufactured
- Supplied as
- Engine Assembly
- Arrangement / engine number
- Confirm against engine plate
- PC450-7 reference displacement
- 11.04 L
- PC450-7 reference cylinders
- 6
Manufacturer reference data; the supplied build must be confirmed.
Manufacturer application references
- Komatsu PC450-7 / PC450LC-7 excavators are documented SAA6D125E-3 applications.
Confirm the full engine suffix, arrangement and machine serial number for an exact match.
With your order
- 6-month 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
- Genuine brand partsReman engines are configured with genuine brand parts, with no aftermarket parts. Included
- Dyno performance test Optional paid
- Complete teardown report On request
- Complete engine testing video On request
- Custom packaging and pallet labeling On request
- Protective coating and paint finish 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 remanufactured Komatsu SAA6D125E-3 engine assembly is configured using genuine brand parts, with a 6-month standard brand warranty and no core return.
The Komatsu SAA6D125E-3 is an 11.04-liter six-cylinder diesel documented in the PC450-7 excavator. The cited build is turbocharged, aftercooled and electronically governed.
Configuration & included components
- Engine model: SAA6D125E-3.
- Condition: Remanufactured.
- Offered build: remanufactured.
- Supply scope: 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
- 6-month 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 |
|---|---|
| PC450-7 reference cylinders | 6 |
| PC450-7 reference displacement | 11.04 L |
| PC450-7 reference bore | 125 mm |
| PC450-7 reference stroke | 150 mm |
| PC450-7 reference cycle/cooling | Four-cycle, water-cooled |
| PC450-7 reference fuel system | Direct injection |
| PC450-7 reference aspiration | Turbocharged-aftercooled |
| PC450-7 reference governor | Electronic all-speed |
| PC450-7 net reference rating | 246 kW at 1,850 rpm; machine build only |
Technical details
- Komatsu's PC450-7 sheet identifies this exact -3 engine suffix.
- The cited version combines direct injection with turbocharging and aftercooling.
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.
- The remanufactured build uses genuine brand parts rather than aftermarket parts.
- Optional dyno testing is chargeable. A complete teardown report, protective coating and paint finishing can be requested.
- Pre-dispatch inspections are welcome and chargeable. Ask about inspection arrangements before dispatch.
Applications & fitment
Documented application references
- Komatsu PC450-7 / PC450LC-7 excavators are documented SAA6D125E-3 applications.
Application references help identify an engine family; they do not establish a direct fit for every machine using that family.
Configuration reference for this listing: Komatsu PC400-7 quoted configuration. Confirm this against the engine plate and machine serial number.
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.
- The PC450-7's electronics and power rating cannot be assumed for a unit with an unverified arrangement.
Request a configuration review for this engine at info@nyengines.com. Include product code NYE-KOM-SAA6D125E-3-R-STD-ENG so we can identify the listing and quote the required drop-in configuration.
Buyer guide
- Confirm the full -3 suffix, engine serial and machine serial before selecting a replacement.
- Compare electronic controls, harness, mounts, cooling, sump and flywheel housing to the original installation.
Buying questions
Is SAA6D125E-3 the same as -5?
No. Komatsu identifies separate suffixes in different equipment literature; compatibility is not established.
Is 246 kW the supplied unit's rating?
It is the net PC450-7 machine reference only; the offered engine needs its own build record.