Brands / John Deere Power systems group

John Deere Power systems group

179 distinct part numbers after collapsing EPA duplicate rows. Engine models in this brand: 10 versus catalogue average 177 (ladder brands, D1 only).

HUB
john-deere

EPA rows

836

Collapsed identities

179

engine_model vs avg

10 / 177

Change vs previous snapshot (same hub, not a history URL): EPA rows 836 (no change vs previous snapshot); distinct PN 179 (no change vs previous snapshot); distinct engine_model 10 (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: deere power systems group of deere & company (9) · Cummins Mercruiser Diesel, LLC (12) · detroit diesel corporation (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

179

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: Cummins Mercruiser Diesel, LLC (202) · BRP US Inc. (151) · OUTBOARD MARINE CORPORATION (143).

Engine family hubs

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

Family	Rows	Distinct PN
AJDXN06.8068	28	24
9JDXN06.8068	27	23
CJDXN06.8068	25	22
BJDXN06.8068	25	22
8JDXM06.8068	24	22
4JDXM08.1070	22	22
7JDXM12.5IM1	24	16

Highest-duplication atoms

Part number	Name	EPA rows collapsed
RE507959	Injection Pump	17
RE527528	Injection Pump	15
RE529475	Injector	12
RE527983	After Cooler	12
RE522589	EGR Cooler	12
RE519144 RE52722 RE516336 RE61812 RE519144 RE520930	CKP ECT Fuel temp MAT Timing-sync Fuel pressure	12
RE519144 RE519144 RE508195 RE508195 RE71121 RE71121 RE48419 RE48419 RE61812	CKP Timing-sync CKP Timing-sync CKP Timing-sync Fuel temp ECT MAT	12
RE517658	Injection Pump	12
RE507980 RE507981	ECM	12
CKP ECT Fuel temp MAT Timing-sync Fuel pressure	Sensor Desc	12
RE517659	Injection Pump	11
RE532628 RE532629	ECM	10

On-demand report for this hub (noindex)