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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 | 25 New Cummins QSK60 1.3 MW Gas GeneratorsJJ-GEN-QSK60-NEW | 100 CAT G3520K 2.5 MW Gas GeneratorsJJ-GEN-CAT3520K |
|---|---|---|
| Manufacturer | Cummins | Caterpillar |
| Rating / output | 60 Hz: 1,300 kW / 1,625 kVA; 50 Hz: 1,120 kW / 1,400 kVA (approximately 1.1 MW), continuous | 2,500 ekW / 3,125 kVA at 0.8 PF per unit; 250 MW total nameplate output |
| Voltage / winding arrangement | 50 Hz: 380-440 V; 60 Hz: 416-480 V | 480 V |
| Vector group | Not applicable; generator connection per technical package | Not applicable; generator connection per technical package |
| Frequency | 50/60 Hz; specify required configuration | 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 | 25 units | 100 units |
| Technical details / open items | 25 brand-new units; separate from the 100-unit used QSK60 G5 offer.; Continuous output in the supplied datasheet: 1,300 kW / 1,625 kVA at 60 Hz; 1,120 kW / 1,400 kVA at 50 Hz (approximately 1.1 MW).; The datasheet identifies GQSK60-G5 for 50 Hz and GQSK60-G8 for 60 Hz. Specify the required frequency before ordering; these ratings describe the corresponding configurations.; Output voltage ranges: 380-440 V at 50 Hz and 416-480 V at 60 Hz. Engine speed: 1,500 RPM at 50 Hz and 1,800 RPM at 60 Hz.; V16 engine with Cummins MCM700 governor; PE734E brushless alternator, permanent-magnet excitation and Class H insulation.; Datasheet package includes a Schneider NW25 four-pole breaker rated 2,500 A and a containerized cooling arrangement. Final accessories and supplied configuration per quotation.; The lower container measures 6.06 m x 2.44 m x 2.59 m. Total wet package weight is 26,840 kg including the upper cooling container; confirm assembled and shipping dimensions for logistics.; Contact Tommy Marco for pricing, current photos, the complete technical package and delivery timing. | 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 | Supplied QSK60 Surf MCPD datasheet and current J&J equipment schedule | Current J&J G3520K package specification |
| Technical value basis | Supplied QSK60 Surf MCPD datasheet and current J&J equipment schedule | 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 | Brand new | Brand new, unused; 2026 production |
| Technical records reviewed | 2026-10-23 | 2026-10-23 |
| Availability | 25 brand-new units offered; allocation and delivery schedule per quotation; subject to prior sale | 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 | Request a written dispatch and delivery schedule | 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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