Brands / detroit diesel corporation and mtu friedrichshafen gmb

detroit diesel corporation and mtu friedrichshafen gmb

94 distinct part numbers after collapsing EPA duplicate rows. Engine models in this brand: 15 versus catalogue average 177 (ladder brands, D1 only).

HUB
detroit-di

EPA rows

269

Collapsed identities

engine_model vs avg

15 / 177

Change vs previous snapshot (same hub, not a history URL): EPA rows 269 (no change vs previous snapshot); distinct PN 94 (down 1 vs previous snapshot); distinct engine_model 15 (no change 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)

177.5

Calculated low / high

5 / 2,664

This hub is labelled below catalogue average (low relative to loaded set). Similar hubs by distinct engine_model: Volkswagen Marine (15) · MNB (16) · caterpillar motoren , kiel (14).

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)

224.3

Calculated low / high

52 / 1,398

This hub is labelled below catalogue average (low relative to loaded set). Similar hubs by distinct part_number: deere power systems group of deere & company (92) · MNB (91) · detroit diesel corporation (98).

Engine family hubs

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

Family	Rows	Distinct PN
7MDDM348.MHA	101	35
4ddxm65.0mtp	36	27
4ddxm65.0mta	36	27

Highest-duplication atoms

Part number	Name	EPA rows collapsed
"	"	37
X00E50201372 or 0005355730	Exh temp sensor	7
X00043056 & X00043057 or 5690730006 & 5690730007 or 0060704801 & 0060703501 or 0060704801 & 0060703601	Injection Pump	7
X00018659 or 0035352731	CA pressure sensor	7
5275307654 or X00E50200134 or X00034523/S0001	ECM	7
0035352931 or 0035352731	Fuel pressure sensor	7
0035352531 or 0045358831	Coolant pressure sensor	7
0005357333	Speed sensors	7
0005356430	Temp sensors (coolant, charge air, intake air, fuel)	7
23529009	Turbocharger	6
23519308	ECM	6
08929387	ASSEMBLIES	6

On-demand report for this hub (noindex)