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Key Specs
Producing reliable power of 20 ekW at 60 Hz, our D20 diesel generator sets are designed to meet ISO 8528-5 transient response requirements. All D20 generator sets are EPA TIER 4I emissions compliant.
Cat Connect option ensures your generator set is always ready to start and performing as expected
| Standby Rating | 20 ekW 20 ekW |
| Frequency | 60 Hz 60 Hz |
| Emissions/Fuel Strategy | US EPA TIER 4I (EPA 40 CFR Part 1039 Interim Tier 4) US EPA TIER 4I (EPA 40 CFR Part 1039 Interim Tier 4) |
| Voltage | 480/277, 240/120, 208/120, 600/346, 240/120 VAC 480/277, 240/120, 208/120, 600/346, 240/120 VAC |
| Speed | 1800 rpm 1800 rpm |
| Duty Cycle | Standby Standby |
| Engine Model | Cat® C2.2, In-line 4, 4-cycle diesel Cat® C2.2, In-line 4, 4-cycle diesel |
| Bore | 3.3 in 84 mm |
| Stroke | 3.9 in 100 mm |
| Displacement | 134 in³ 2.2 l |
| Compression Ratio | 23.3:1 23.3:1 |
| Aspiration | Naturally Aspirated Naturally Aspirated |
| Fuel System | Mechanical Cassette Type Mechanical Cassette Type |
| Governor Type | Mechanical Mechanical |
| Length - Maximum | 88.6 in 2250 mm |
| Width - Maximum | 41.3 in 1050 mm |
| Height - Maximum | 57.9 in 1470 mm |
| Dry Weight - Genset (maximum) | 2052 lb 930 kg |
Caterpillar product brochures and other informational documents are available for your growing business.
Use the comparison tool to compare detailed specs of Cat and competitor models.
Compare All ModelsExperience hassle-free ownership and predictable expenses with flexible Customer Value Agreements, which include Long-Term Service Agreements.
Learn MoreObserve and manage your fleet from anywhere with Cat RAM, and benefit from real-time monitoring by expert advisors with Condition Monitoring.
Learn MoreShop for genuine and Cat Reman parts online, with access to price, inventory, and 24/7 expert support.
Learn MoreRetain genset value with maintenance, upgrade kits, and repair options that extend lifecycles, optimise performance, and help you control costs.
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