HeavyEQ parts intelligence
Research first. Identify the installed component. Confirm the application.
Model discovery • Exact part fitment requires machine identification
Dash-8 · United States reference. Production-year bounds have not been established in this parts catalogue.
View the accepted equipment specifications →Bucket, coupler, lift arm, tires, ballast, guarding and application package affect weight, tipping load, breakout force and clearance. Verify the manufacturer's stated reference configuration.
Equipment-class discovery • Systems vary with configuration
Distinguish the front work linkage and coupler from centre articulation, axles and transmission. Bucket capacity does not identify a driveline assembly.
Record axle and transmission plates, lift-arm arrangement, ride-control configuration and wheel/tire specifications. For linkage parts, state the joint position and document the installed work tool.
High-lift, waste and industrial packages require their own source confirmation; do not transfer parts solely because the base model name matches.
Start with the manufacturer, model suffix and installed equipment. The following specialist subjects help describe a sourcing request; they do not identify a specific orderable part.
Record the installed assembly identification, its position and configuration. Ask the supplier which documentation connects the proposed replacement to that assembly.
Record the installed assembly identification, its position and configuration. Ask the supplier which documentation connects the proposed replacement to that assembly.
Record the installed assembly identification, its position and configuration. Ask the supplier which documentation connects the proposed replacement to that assembly.
Record the installed assembly identification, its position and configuration. Ask the supplier which documentation connects the proposed replacement to that assembly.
Record the installed assembly identification, its position and configuration. Ask the supplier which documentation connects the proposed replacement to that assembly.
For a used or rebuilt component, ask for its donor-unit provenance, inspection record, repair scope and any remaining identification marks. A donor model is context, not proof of fitment to another machine.
These are equipment-class discovery subjects. Confirm whether each is installed on the actual unit.
Engine family · build code · emissions generation
Engine/ECU calibration · pressure · connector · emissions
Engine emissions tier · aftertreatment arrangement · region
Engine option · physical envelope · fittings · fan drive
Circuit flow/pressure · mounting · serial range · porting
Drive architecture · gear ratio · installed assembly code
Tire/rim standard · bolt pattern · axle rating · configuration
Brake system · axle/configuration · rating · safety check
ECU software · harness revision · voltage · protocol · calibration
Cab generation · certifications · option packages
Dimensional fit · pin/bore · load · reinforcement revisions
Carrier & tool identity · mounting system · tooth series
Research Komatsu source access, component identity and regional limitations →
Equipment specifications and generation evidence stay on the accepted model page. They are not proof that a specific replacement part fits.
Parts & maintenance
Use the accepted model identity to explore component families. Confirm the installed assembly, configuration and serial/PIN with the manufacturer before ordering.
Technical research & specification evidence
United States manufacturer machine-level reference; individual engine/gearbox/converter identity not verified
The United States WA380-8 specification provides useful machine-level powertrain evidence. It must remain separate from the identity of an individual engine, transmission or converter. This context belongs with the accepted Dash-8 machine identity and does not create a replacement-parts application.
Komatsu names the engine and describes a counter-shaft powershift transmission with a torque converter. It also lists a lockup feature. These observations establish the architecture represented by the cited regional machine page. They do not expose gearbox or converter service identifiers. Keep the complete machine identity beside those facts and preserve its regional scope; do not transfer them to a differently suffixed loader, another emissions market or an earlier generation merely because the model names look related.
The source reports gross and net engine power under different standards. The selected fields retain those original values and bases independently. A shared rounded metric value elsewhere in the source does not make the original horsepower figures interchangeable. Neither value is a gearbox input rating or a converter multiplication value. Any later comparison with a component capability needs the relevant component duty, speed and qualification, rather than choosing whichever machine power figure appears most convenient.
The converter construction description is a functional classification. It does not determine its housing revision, internal geometry, clutch subassembly or approved overhaul package. Likewise, the listed lockup feature does not supply its control calibration or operating threshold. Keep those unresolved identities visible. A seller may propose an assembly for this loader, but the proposal remains a separate attributed assertion until exact manufacturer and installed-build evidence supports the intended relationship.
The machine specification describes a published configuration, while an individual loader can have a service history that changes the fitted assembly. Retain private machine identification, engine build and accessible transmission or converter markings through the approved restricted process. Reconcile any differences rather than silently replacing original evidence with an observed casting mark. A casting reference can be useful, but it must remain distinguishable from a complete service-assembly identity and a seller stock code.
An engine inquiry needs its exact build and fitted auxiliaries; a transmission inquiry needs the assembly and control configuration; a converter inquiry needs the corresponding interface and source-qualified identity. The fields below record the machine facts that are supported and the component questions that remain open. No serial range, part number, supersession, fluid choice, pressure setting, stall test or repair instruction follows from this context. Related system guides can explain each boundary without inventing the missing service data.
Published values retain their exact reference scope. Empty fields mean the value has not been established; they never mean zero. General model associations do not establish installed or serial-specific fitment.
| Property | Value / status | Scope and interpretation |
|---|---|---|
| Published engine model | Komatsu SAA6D107E-3 | Manufacturer machine-level engine designation; exact service engine assembly/build unresolved. Reference: WA380-8 United States public specification; EPA Tier 4 Final listed configuration Rating basis: Qualitative architecture or identification reference; condition: WA380-8 United States public specification; EPA Tier 4 Final listed configuration Komatsu WA380-8 North American machine specification ↗ · Engine > Engine model Issue identifier not stated; retain cited source and review date |
| Gross engine power | 192 HP | Gross engine power under SAE J1995; retain original source HP and separate from net. Reference: WA380-8 United States public specification; EPA Tier 4 Final listed configuration Rating basis: Published reference configuration; no installed-machine rating adopted; condition: Rated speed 2,100 rpm Komatsu WA380-8 North American machine specification ↗ · Engine > Horsepower > SAEJ1995 - Gross (HP) Issue identifier not stated; retain cited source and review date |
| Net engine power | 191 HP | Net engine power under ISO 9249 / SAE J1349; not an alternative expression of gross power. Reference: WA380-8 United States public specification; EPA Tier 4 Final listed configuration Rating basis: Published reference configuration; no installed-machine rating adopted; condition: Rated speed 2,100 rpm Komatsu WA380-8 North American machine specification ↗ · Engine > Horsepower > ISO 9249 / SAE J1349 - Net (HP) Issue identifier not stated; retain cited source and review date |
| Published transmission architecture | Automatic full-powershift, counter-shaft type | Machine architecture only; not a gearbox assembly or service identifier. Reference: WA380-8 United States public specification; EPA Tier 4 Final listed configuration Rating basis: Qualitative architecture or identification reference; condition: WA380-8 United States public specification; EPA Tier 4 Final listed configuration Komatsu WA380-8 North American machine specification ↗ · Transmission > Transmission Issue identifier not stated; retain cited source and review date |
| Published converter architecture | 3-elements, 1-stage, 2-phase | Manufacturer architecture description only; not a converter service reference. Reference: WA380-8 United States public specification; EPA Tier 4 Final listed configuration Rating basis: Qualitative architecture or identification reference; condition: WA380-8 United States public specification; EPA Tier 4 Final listed configuration Komatsu WA380-8 North American machine specification ↗ · Transmission > Torque converter Issue identifier not stated; retain cited source and review date |
| Published lockup feature | Lock-up torque converter listed | Feature listed in source standard equipment; does not identify clutch or calibration. Reference: WA380-8 United States public specification; EPA Tier 4 Final listed configuration Rating basis: Qualitative architecture or identification reference; condition: WA380-8 United States public specification; EPA Tier 4 Final listed configuration Komatsu WA380-8 North American machine specification ↗ · Standard equipment > Lock-up torque converter Issue identifier not stated; retain cited source and review date |
| Exact engine service build | Not yet documented | Machine engine string is not a complete assembly identity. |
| Exact gearbox assembly | Not yet documented | Requires installed tag/build and authoritative service source. |
| Exact converter assembly | Not yet documented | Architecture does not identify the service item. |
| Serial-specific installation | Not yet documented | Private PIN/build-qualified evidence required. |
Engine, transmission and standard equipment sections
Limited factual reference and original HeavyEQ commentary only; no catalogue/table/figure/media reuse licence established.
Original HeavyEQ analysis and selected source facts. No catalogue reproduction licence, manufacturer endorsement or machine-specific compatibility is implied.
United States reference; Dash-8; contextual research only, no installed-component identification
Identify the Komatsu WA380-8 machine generation and the actual electrical assembly as separate research subjects. This investigation preserves the accepted model context and records what the available evidence can establish about electrohydraulic controllers and valve-driver electronics.
WA380-8 current US standard-equipment list names EPC fingertip controls with F-N-R switch; shift control is adjacent02B TX06 scope. An electronic valve driver and the hydraulic valve it commands are different replacement subjects. The driver interprets an application command and supplies an electrical output; that does not identify the valve spool, hydraulic performance or installed machine response. Keep controller/driver hardware, coil/load configuration and application logic separately documented while preserving 02A ownership of hydraulic components. For Komatsu WA380-8, retain electronic driver and controller/valve body distinguished as observed evidence rather than completing the record from a similar machine. Valve block hydraulic performance belongs 02A; avoid unsafe live output tests.
Komatsu WA380-8 retains its existing canonical research owner. The investigation concerns electrohydraulic controllers and valve-driver electronics. Read the source in its stated market and generation; a currently advertised feature can describe an option, a package or a later configuration. Record the issuer and complete designation on the actual assembly separately from the machine name. A housing mark, a general technology label and an orderable service identity answer different questions. Missing identifiers stay unknown. A prior repair or assembly replacement can also make the original build information insufficient to identify what is present now.
Use the existing equipment specifications for the retained model and generation. A general model association supplies discovery context; it does not prove the particular controller, sensor, harness or operator device installed on an individual machine. A qualified review should connect the actual hardware revision, harness and connector configuration, signal interpretation and applicable application or calibration evidence. Keep full PIN/serial identifiers, software credentials and service access private. Neither the absence of a fault nor a matching supply voltage establishes interchangeability. This page does not provide energized tests, wiring adaptation, programming steps or a replacement approval. The linked component research explains which evidence belongs in each part of that review.
Published values retain their exact reference scope. Empty fields mean the value has not been established; they never mean zero. General model associations do not establish installed or serial-specific fitment.
| Property | Value / status | Scope and interpretation |
|---|---|---|
| Exact installed electrical component | Unverified | No actual assembly identification has been established for this machine. |
| Hardware, application and serial-specific compatibility | Unverified | Requires the actual assembly, configuration and qualified machine evidence. |
Standard equipment: EPC fingertip controls/F-N-R switch and automatic shift; no electronic hardware item identity
Limited factual reference and original commentary only; no catalogue reproduction or installed-fitment permission
Original HeavyEQ analysis and selected source facts. No catalogue reproduction licence, manufacturer endorsement or machine-specific compatibility is implied.