Caterpillar inc.
989 distinct part numbers after collapsing EPA duplicate rows. Engine models in this brand: 41 versus catalogue average 177 (ladder brands, D1 only).
caterpilla
Change vs previous snapshot (same hub, not a history URL): EPA rows 4,968 (no change vs previous snapshot); distinct PN 989 (down 409 vs previous snapshot); distinct engine_model 41 (down 34 vs previous snapshot). Previous snapshot date 2026-07-24.
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.
This hub is labelled below catalogue average (low relative to loaded set). Similar hubs by distinct engine_model: Honda Motor Co., Ltd. (44) · SUZUKI MOTOR CORPORATION (47) · Mitsubishi heavy industries,Ltd. (35).
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.
This hub is labelled above catalogue average (high relative to loaded set). Similar hubs by distinct part_number: Mercury Marine (895) · MTU Detroit Diesel, Inc. (568) · Yamaha Motor Company LTD. (479).
Engine family hubs
Highest-duplication atoms
| Part number | Name | EPA rows collapsed |
|---|---|---|
| 235-3337 | Injection Pump | 88 |
| 276-8307 | Injection Pump | 78 |
| 253-0615 | Injection Pump | 62 |
| 2882403 | Injection Pump | 54 |
| 2501314 | Injection Pump | 52 |
| 2501306 | Injection Pump | 50 |
| 287-7210 | Injector | 42 |
| 2768307 | Injection Pump | 42 |
| 189-4427 | Turbocharger | 42 |
| 266-4387 | Injection Pump | 38 |
| 245-9734 | Turbo Charger | 36 |
| 2664387 | Injection Pump | 33 |
On-demand report for this hub (noindex)