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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 Used Cummins QSK60 G5 1.3 MW GeneratorsJJ-GEN-QSK60-USED | 100 CAT G3520K 2.5 MW Gas GeneratorsJJ-GEN-CAT3520K |
|---|---|---|
| Manufacturer | Cummins | Caterpillar |
| Rating / output | 1.3 MW per unit; confirm the required frequency and duty in the unit schedule | 2,500 ekW / 3,125 kVA at 0.8 PF per unit; 250 MW total nameplate output |
| Voltage / winding arrangement | Unit-specific output voltage confirmed with quotation | 480 V |
| Vector group | Not applicable; generator connection per technical package | Not applicable; generator connection per technical package |
| Frequency | 50/60 Hz; required configuration confirmed per unit | 60 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 | 100 units |
| Technical details / open items | 100 used Cummins QSK60 G5 units offered; 1.3 MW per unit and 50/60 Hz configurations as specified by J&J.; Every unit has over 7,500 operating hours. Exact hour-meter readings and service records are provided for the selected units.; $575,000 USD per unit, including shipping. Confirm the delivery destination and schedule in the written offer.; Confirm each unit's engine and alternator nameplates, installed frequency, voltage, duty rating, maintenance history and included accessories against the buyer's requirement.; This is a separate used-equipment offer from J&J's 25 brand-new QSK60 units. The new-package datasheet does not establish the used fleet's unit-specific condition or configuration. | 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. |
| Evidence reviewed | Current equipment information supplied by J&J | Current J&J G3520K package specification |
| Technical value basis | Current equipment information supplied by J&J | Current J&J G3520K package specification |
| 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 | Used; every unit has over 7,500 operating hours | Brand new, unused; 2026 production |
| Technical records reviewed | 2026-10-23 | 2026-10-23 |
| Availability | Available; subject to prior sale and written allocation | Available; equipment ready within 90 days of deposit received in escrow; subject to prior sale |
| Availability last confirmed | 2026-10-23 | 2026-10-23 |
| Shipping estimate | Shipping included in the $575,000 USD per-unit price; delivery schedule confirmed with quotation | Equipment readiness within 90 days of deposit received in escrow; transit and EPC schedule agreed separately |
| 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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