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Review the published facts side by side. Matching a voltage or MVA rating does not establish compatibility. Ask your project engineer to review the complete unit records.
| Compare | 100 CAT G3520K 2.5 MW Gas GeneratorsJJ-GEN-CAT3520K | 25 Jenbacher J420E 1.5 MW 50 Hz GeneratorsJJ-J420-MULTI |
|---|---|---|
| Manufacturer | Caterpillar | INNIO Jenbacher |
| Rating / output | 2,500 ekW / 3,125 kVA at 0.8 PF per unit; 250 MW total nameplate output | Nominal 1.5 MW per unit |
| Voltage / winding arrangement | 480 V | 400 V line-to-line / 231 V line-to-neutral |
| Vector group | Not applicable; generator connection per technical package | Not applicable; generator connection per technical package |
| Frequency | 60 Hz | 50 Hz |
| Cooling | Not documented; confirm with J&J | Not documented; confirm with J&J |
| Impedance and base | Not documented; confirm with J&J | Not documented; confirm with J&J |
| Tap changer | Not documented; confirm with J&J | Not documented; confirm with J&J |
| Insulation / BIL | Not documented; confirm with J&J | Not documented; confirm with J&J |
| Quantity represented | 100 units | 25 units immediately available |
| Technical details / open items | Caterpillar G3520K K-Series, 20-cylinder natural gas engines; 2,500 ekW / 3,125 kVA each at 0.8 power factor, 60 Hz, 480 V.; Skid-mounted generator sets supplied without individual enclosures. Five equipment buildings are specified, each housing 20 generator sets.; One Safety Power ecoCUBE SCR system per generator set. Emissions configuration and permit suitability are reviewed for the specific project location.; Balance of plant: two GE 13/115/230 kV step-up transformers, one 3,200 A load bank, two main switchgear lineups and ten sub-line lineups, plant controls and protection, and 20 chiller-cooler units.; The intermediate step-up from 480 V, medium-voltage collection, transformer MVA ratings and final one-line are established in the project engineering scope.; Installation, commissioning, testing and documentation are included within the agreed EPC scope. Site responsibilities, exclusions and warranty terms are set out in the definitive written agreement.; All 100 generator sets and supplied balance-of-plant equipment are specified for readiness within 90 days of deposit received in escrow. This is the equipment readiness milestone; the installation schedule follows site review.; Contact Tommy Marco for the technical package, inspection arrangements, project scope and commercial terms. | 25 units immediately available in the offered 50 Hz configuration.; Jenbacher J420E enclosed natural gas generator packages, nominal 1.5 MW each, 50 Hz, 400/231 V.; The units are offered in their existing 50 Hz configuration. Any frequency conversion is entirely the buyer's responsibility, arranged and paid for by the buyer. J&J does not perform or include conversion.; A buyer considering conversion must obtain an approved engineering scope for the exact engine, alternator, controls, auxiliaries and resulting output rating.; Generator breaker and connection point included per supplied specification. SCR is a project-specific optional addition.; Contact Tommy for pricing, matching nameplates, current photos, inspection and release terms. |
| Evidence reviewed | Current J&J G3520K package specification | Supplied J420E package specification and current J&J allocation |
| Technical value basis | Current J&J G3520K package specification | Supplied J420E package specification and current J&J allocation |
| Details to confirm | Matching technical records, current condition, complete equipment scope and transport details | Matching technical records, current condition, complete equipment scope and transport details |
| Represented condition | Brand new, unused; 2026 production | New, enclosed and sound-attenuated, per the supplied package specification |
| Technical records reviewed | 2026-10-23 | 2026-10-23 |
| Availability | Available; equipment ready within 90 days of deposit received in escrow; subject to prior sale | 25 immediately available; subject to prior sale and written allocation |
| Availability last confirmed | 2026-10-23 | 2026-10-23 |
| Shipping estimate | Equipment readiness within 90 days of deposit received in escrow; transit and EPC schedule agreed separately | Request a written dispatch and delivery schedule |
| Nameplate reviewed | Not recorded as reviewed; request it | Not recorded as reviewed; request it |
| Drawings reviewed | Not recorded as reviewed; request them | Not recorded as reviewed; request them |
| Factory test report reviewed | Not recorded as reviewed; request test records | Not recorded as reviewed; request test records |
| This unit only | Request more info | Request more info |
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Confirm frequency, cooling-stage ratings, impedance and its base, taps, vector group, grounding, BIL, site conditions and included scope against the project specification. A table cannot approve the fit.
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