HeavyEQ parts intelligence
Research first. Identify the installed component. Confirm the application.
Model discovery • Exact part fitment requires machine identification
Current D6 product page · United States / North American reference. Production-year bounds have not been established in this parts catalogue.
View the accepted equipment specifications →Blade, shoe width, undercarriage, rear equipment, guarding and grade-control package can materially change weight and transport width.
Equipment-class discovery • Systems vary with configuration
Identify the track system, blade arrangement and drive architecture independently. A dozer family can include materially different configurations.
Record installed track geometry, blade linkage and ripper configuration. Preserve model suffixes such as XE and documented assembly codes when requesting a drivetrain or control component.
Blade width and operating weight are not a parts application. Do not collapse parallel drive variants or assume that a track component fits every machine in a family.
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
Track frame · pitch · links · shoe width · serial · variant
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 Caterpillar 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
This research belongs to the existing D6 parts page. The present North American source identifies machine build 20B and distinguishes several blade and track arrangements. Preserve those build details with each observation; historical D6 suffix machines and the separate D6 XE identity require their own evidence.
Caterpillar lists Heavy Duty HDXL with DuraLink and Cat Abrasion undercarriage choices, plus an optional ten-roller fine-grading arrangement. Push Arm, VPAT and LGP configurations are separate published branches. The same product page specifies a fully automatic four-speed powershift transmission. These distinctions provide a starting structure for component research without establishing the machine's fitted chain, roller, cutting-edge or transmission assembly number.
Begin a chain inquiry with the installed undercarriage family, shoe arrangement and machine identification. Retain accessible part marks and the last undercarriage replacement report. A marketing statement about common supporting structures does not prove that every link, pin, bushing, seal or sprocket is interchangeable. Ask for the precise application document supporting the requested item. Record whether the requirement covers a bare chain, a shoe-equipped assembly or selected repair components, since the scope affects what a quotation actually answers.
Keep roller and idler requests tied to the actual frame arrangement and position. An optional roller arrangement is a reason to verify what is present, rather than applying a universal component count. For blade wear items, document the blade identifier and whether the machine carries the source's SU, straight or VPAT arrangement. Keep cutting edge, end pieces and hardware as distinct requested items. Useful evidence includes an identifiable blade record and a clearly attributed part reference; nominal blade width alone leaves the mounting details unresolved.
The four-speed description is a reference architecture, not a remanufactured unit's assembly identifier or acceptance test. For a rebuild inquiry, retain the installed transmission identification, the rebuilder's stated scope and any recorded changes to controls or interfaces. Keep source-confirmed configuration information separate from symptoms reported by an operator. A historical D6H, D6N or D6R reference must not inherit this current D6 transmission description. This page can explain the evidence needed for a sound comparison while the exact installed assemblies remain on hold.
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 powertrain | Fully automatic four-speed powershift | Reference: Current US D6 build 20B source; not D6 XE or historical suffix machines Manufacturer published reference; not a HeavyEQ machine measurement D6 Dozers — Tier 4 / Stage V ↗ · Transmission; Machine Build Number note Actual installed component and serial-specific applicability unverified |
| Reference standard shoe width — Push Arm | 610 mm | Reference: Only the non-LGP Push Arm branch; not the LGP or all VPAT builds Manufacturer published reference; not a HeavyEQ machine measurement D6 Dozers — Tier 4 / Stage V ↗ · D6 Push Arm — Width of Standard Shoe Actual installed component and serial-specific applicability unverified |
Machine Build Number20B; Transmission; D6 Push Arm; undercarriage feature and optional-equipment sections
PUBLIC_REFERENCE_ONLY_NO_MEDIA_OR_TABLE_REPRODUCTION
Original HeavyEQ analysis and selected source facts. No catalogue reproduction licence, manufacturer endorsement or machine-specific compatibility is implied.
Model research context; installed assemblies not established
Keep the accepted D6 identity separate from D6XE and earlier suffixed generations. A documented shoe width does not supply chain pitch, roller geometry or a complete track-group application.
The reconciled investigations are: Track chain; rollers/idlers; transmission. These topics link the accepted equipment identity to technical vocabulary. They do not identify a manufacturer component as factory fitted or currently installed.
Keep the factory document and its revision separate from accessible current identification and repair history. Retain region, build and configuration evidence with each claim. A serial-based lookup may describe the original build while a later repair changes the installed assembly. No inferred year range or cross-generation application is added here.
The actual maker-coded assembly, revision, interfaces and scoped application documentation remain open for every listed investigation. Keep private serial/PIN details out of public text. Use the linked component authorities to record the missing evidence; a source-supported family rating is not a replacement specification for this machine.
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 |
|---|---|---|
| Track chain — installed assembly | Not yet documented | Complete installed identifier, revision and source-scoped application required; no maker/model inferred. |
| rollers/idlers — installed assembly | Not yet documented | Complete installed identifier, revision and source-scoped application required; no maker/model inferred. |
| transmission — installed assembly | Not yet documented | Complete installed identifier, revision and source-scoped application required; no maker/model inferred. |
Machine Build Number20B; Transmission; D6 Push Arm; undercarriage feature and optional-equipment sections
PUBLIC_REFERENCE_ONLY_NO_MEDIA_OR_TABLE_REPRODUCTION
Original HeavyEQ analysis and selected source facts. No catalogue reproduction licence, manufacturer endorsement or machine-specific compatibility is implied.