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Power Generation Enterprises operates one of the largest Caterpillar generator inventories in North America — over 1,600 units available from our Santa Clarita, California facility. Our CAT inventory spans every major engine family from the C7 and C9 on the lower end through the C15, C18, C27, C32, 3508, 3512, and 3516 series at the top. Whether you need a 100kW emergency standby unit or a 2,500kW+ prime power installation, we have multiple options in stock.
Caterpillar generators are the benchmark for industrial reliability. The 3516C is the preferred choice for data centers and hospitals demanding 24/7 uptime; the C32 hits the sweet spot for construction and utility applications; and the 3508 and 3512 series remain workhorses in oil & gas, marine, and remote infrastructure deployments. Our inventory pricing ranges from $9,000 for compact used units to over $250,000 for large prime power packages — with hundreds of units priced on request for volume buyers and project bidding.
Why source CAT from Power Generation Enterprises? Every unit is inspected by our in-house technical team before listing — no auction lots, no blind buys. We hold more CAT generator inventory under one roof than any dealer in the western United States. We ship nationwide and export internationally. Our team has matched CAT generators to data centers, wastewater treatment plants, military facilities, and oil field operations across all 50 states.
Browse our full Caterpillar inventory below or contact our team for availability on specific kW ratings, enclosure types, transfer switches, and export configurations. We also service and source parts for CAT generators — call (818) 484-8550.
| Model | Power Output | Fuel Type | Price Range |
|---|---|---|---|
| CAT C9 | 200–275kW | Diesel | $15K–$45K |
| CAT C15 | 350–500kW | Diesel | $35K–$85K |
| CAT C18 | 500–715kW | Diesel | $55K–$110K |
| CAT C32 | 800–1,000kW | Diesel | $90K–$175K |
| CAT 3512C | 1,000–1,500kW | Diesel | $120K–$225K |
| CAT 3516C | 1,500–2,500kW | Diesel | $175K–$350K+ |
Caterpillar has manufactured diesel engines and generator sets since 1925 — a century of continuous development that has made the CAT brand the global benchmark for industrial power generation. The C-series engines introduced in the 1990s and 2000s redefined fuel efficiency and emissions performance, while the 3500-series heavy industrial platforms have powered data centers, hospitals, and utilities worldwide for decades. Today, Caterpillar's Tier 4 Final engines meet the strictest EPA and CARB emissions standards without sacrificing performance or reliability. Power Generation Enterprises is one of the largest non-dealer CAT generator resellers in North America.
CAT has 2,800+ global dealer locations — more North American service points than any other generator manufacturer, ensuring parts and certified technicians wherever you operate.
The CAT 3512 and 3516 are the most widely deployed large generator engines in data centers and hospitals globally, with documented service lives exceeding 50,000 hours.
No other single manufacturer covers as broad a power range as Caterpillar — from compact C2.2 units to 3516C packages exceeding 2,500kW.
CAT offers Tier 4 Final versions of the C9, C15, C18, and C32 engine families, meeting EPA and California CARB standards with factory-integrated SCR systems.
Caterpillar generators consistently command the highest resale values in the used generator market — an important factor for long-term asset planning and fleet management.
CAT manufactures the engine, alternator, and control system, providing a unified warranty, a single contact for service escalation, and consistent maintenance intervals.
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Tier 4 Generator Requirements: What You Need to Know in 2026Used Caterpillar generator prices vary by model, hours, and condition. CAT C9 units (200-275kW) typically run $15,000-$45,000. C15 and C18 sets (350-715kW) range from $35,000-$110,000. Large 3512C packages (1,000-1,500kW) average $120,000-$225,000. Top-end 3516C units (1,500-2,500kW) start at $175,000 and exceed $350,000 for late-model Tier 4 Final configurations. Power Generation Enterprises stocks 1,600+ Caterpillar units — call (818) 484-8550 for current pricing.
The CAT 3512 and 3516 series are widely considered the most reliable for continuous-duty applications, with documented service lives exceeding 50,000 hours at full maintenance intervals. The C15 and C18 C-series engines offer comparable reliability in the 350-715kW range with the advantage of more modern Tier 4 emissions technology.
The CAT 3512 is a V12 engine producing 900-1,500kW. The 3516 is a V16 producing 1,500-2,500kW+. Both share the same block architecture and service intervals. The 3516C is the industry standard for large data center and hospital standby power. Choose 3512 if your load requirement is under 1,500kW; choose 3516 for anything larger.
Yes. Caterpillar offers Tier 4 Final versions of the C9, C15, C18, and C32 engine families meeting EPA and California CARB standards. Tier 4 Final CAT generators use a Selective Catalytic Reduction (SCR) after-treatment system requiring DEF fluid. Power Generation Enterprises stocks Tier 4 Final CAT units — contact us for current availability.
The CAT 3516C (1,500-2,500kW) is the most widely deployed generator in hyperscale and enterprise data centers. For smaller deployments, the CAT 3512C (1,000-1,500kW) and C32 (800-1,000kW) are commonly specified. Key data center considerations: standby duty rating, transfer switch compatibility, and Tier 4 compliance if in a regulated market.
CAT generators are designed for 30,000-50,000+ hour service lives with proper maintenance. The 3500-series heavy industrial engines routinely reach these milestones in data center standby applications. Annual load bank testing and adherence to CAT maintenance intervals are essential for achieving design life.
Yes. Power Generation Enterprises offers financing options on Caterpillar generator purchases. We work with multiple lenders to accommodate varying credit profiles, transaction sizes, and term preferences. Contact us at (818) 484-8550 to discuss financing for your specific purchase.
Yes. We export Caterpillar generators worldwide from our Santa Clarita, California facility. We handle export documentation, provide Letter of Credit terms for qualified buyers, and coordinate international freight to Australia, the Middle East, Southeast Asia, and throughout Latin America. Contact us for export pricing.
Both are top-tier brands with comparable reliability. Caterpillar generally commands higher resale values and has a broader dealer network in remote and international markets. Cummins typically offers a larger parts aftermarket and competitive pricing on the QSK-series at 1,500kW+. For most buyers, local service support and existing fleet standardization are more important factors than brand preference. See our full Caterpillar vs Cummins comparison guide.
CAT generators require oil and filter changes every 250-500 hours, coolant system maintenance annually, load bank testing every 12 months, and injector and valve adjustments at major service intervals (every 6,000-12,000 hours depending on engine family). CAT recommends using Cat-branded fluids and filters. Call (818) 484-8550 for model-specific maintenance guidance.
Our team has matched CAT generators to data centers, hospitals, utilities, and oil field operations across all 50 states. Call us or request a quote — we typically respond within 2 hours.
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