Brands / detroit diesel corporation

detroit diesel corporation

61 distinct part numbers after collapsing EPA duplicate rows. Engine models in this brand: 5 versus catalogue average 177 (ladder brands, D1 only).

HUB
detroit-di

EPA rows

609

Collapsed identities

engine_model vs avg

5 / 177

Change vs previous snapshot (same hub, not a history URL): EPA rows 609 (no change vs previous snapshot); distinct PN 61 (down 37 vs previous snapshot); distinct engine_model 5 (down 2 vs previous snapshot). Previous snapshot date 2026-07-24.

Ingest / pull dates (not “as of today”). Snapshot date 2026-07-24. Deploy-time hub snapshot generated 2026-08-24T13:34:00Z.

Wikidata boat manufacturers — retrieved 2026-07-24 · Wikimedia Foundation and contributors · source
EPA Marine CI models and parts archive — retrieved 2026-07-24 · U.S. Environmental Protection Agency · source
EPA Marine SI models and parts archive — retrieved 2026-07-24 · U.S. Environmental Protection Agency · source
EPA current marine engine certification data — retrieved 2026-07-24 · U.S. Environmental Protection Agency · source
Federal manufacturer identification directory — retrieved 2026-07-24 · U.S. Coast Guard · source
Manufacturer manuals and parts catalogs — retrieved 2026-07-24 · Individual boat and engine manufacturers · source
Live eBay listings — retrieved 2026-07-24 · eBay · source
Sea Ray model specifications — retrieved 2026-07-24T00:00:00Z · Sea Ray · source
Bayliner model specifications — retrieved 2026-07-24T00:00:00Z · Bayliner · source
Boston Whaler model specifications — retrieved 2026-07-24T00:00:00Z · Boston Whaler · source
Wikidata boat-type entities — retrieved 2026-07-24T00:00:00Z · Wikimedia Foundation and Wikidata contributors · source
Merchant Vessels of the United States — retrieved 2026-07-24T00:00:00Z · United States Coast Guard · source
WakeParts normalized boat taxonomy — retrieved 2026-07-24T00:00:00Z · WakeParts · source
UNECE Recommendation 28 — retrieved 2026-07-24T00:00:00Z · United Nations Economic Commission for Europe · source

Qualified comparison — distinct engine_model

Official EPA field only: engine_model. Observed vs calculated high/low vs loaded-set average of ladder brands (min-N ≥ 50 distinct PN). Not an EPA judgement. FHE-style compare is inlined here, not a new URL family.

Observed on this hub

Loaded-set average (n=43)

177.4

Calculated low / high

5 / 2,664

This hub is labelled below catalogue average (low relative to loaded set). Similar hubs by distinct engine_model: ISOTTA FRASCHINI MOTORI S.P.A. (5) · Doosan Engine Co., Ltd. (6) · Hyundai Heavy Industries Co., Ltd. (7).

Qualified comparison — distinct part_number

Official EPA field only: part_number. Observed vs calculated high/low vs loaded-set average of ladder brands (min-N ≥ 50 distinct PN). Not an EPA judgement. FHE-style compare is inlined here, not a new URL family.

Observed on this hub

Loaded-set average (n=43)

223.4

Calculated low / high

52 / 1,398

This hub is labelled below catalogue average (low relative to loaded set). Similar hubs by distinct part_number: iSUZU mOTORS lIMITED (60) · ISOTTA FRASCHINI MOTORI S.P.A. (65) · Doosan Engine Co., Ltd. (66).

Engine family hubs

Shown when a family has at least 20 rows and 10 distinct part numbers.

Family	Rows	Distinct PN
5ddxm65.0mtp	36	27
DDDXN14.0MLK	25	17
DDDXN14.0JLK	25	17
CDDXN14.0MLK	25	17
CDDXN14.0JLK	25	17
BDDXN14.0MLK	25	17
BDDXN14.0JLK	25	17
ADDXN14.0MLK	25	17
ADDXN14.0JLK	25	17
9DDXN14.0JLK	24	16
BDDXW14.0MLK	23	15
BDDXW14.0JLK	23	15
BDDXW14.0KLK	22	14
ADDXN14.0KLK	21	14
DDDXN14.0XLD	22	13
CDDXW14.0XLD	22	13
CDDXN14.0XLD	22	13
6DDXM14.0KLK	20	13

Highest-duplication atoms

Part number	Name	EPA rows collapsed
"	"	172
23524615	CLTP	38
23518092	FT	38
23519308	ECM	27
08929387	ASSEMBLIES	27
23522322	IMP	20
23532797	OP	19
23515251	CLT	19
23515250	IMT	19
08929388	TRS	19
23537858	After Cooler	18
23529009	Turbocharger	16

On-demand report for this hub (noindex)