The Champion 201202 standby generator is rated at 22 kW on propane and 19.8 kW on natural gas in its operator’s manual. This guide concerns that fleX-equipped model, not every Champion generator sold as 22 kW.
Weighing Champion against Generac? Our Generac vs Champion comparison sets sizes, warranty terms and how each brand is sold side by side.
Champion 201202 Specifications (Manufacturer Data)
| Specification | Champion 201202 | Source |
|---|---|---|
| Rated output, natural gas | 19.8 kW maximum continuous | 1 |
| Rated output, propane (LP) | 22 kW maximum continuous | 1 |
| Engine | OHV commercial V-twin, 2 cylinders, 999 cc, 3,600 rpm; 24 V DC electric start | 1 |
| Dimensions (L × W × H) | 56.3 × 28 × 28.5 in (143 × 71 × 72.5 cm) | 1 |
| Unit weight | 557.9 lb (253 kg), without battery | 1 |
| Voltage and phase | 120/240 V, single phase, 60 Hz | 1 |
| Main line circuit breaker | 100 A | 1 |
| Transfer switch options | Designed to communicate with Champion's fleX ATS (the generator's main breaker must be on for the fleX ATS to communicate) | 1 |
| Warranty | 10-year / 2,000-hour limited (years 1–2 parts, labor and mileage; years 3–10 parts only), from activation by an authorized Champion home standby dealer | 2 |
Champion's manual does not publish a sound level or fuel consumption for this model, and its product page was not available when we checked, so those fields are omitted rather than estimated.
What the dimensions mean for installation
At 56.3 in long the 201202 needs a longer pad than the 46–47 in air-cooled units from Generac and Kohler. The manual also calls for two 12 V Group 51 (or two Group 51R) batteries, purchased locally, with 500 CCA recommended for typical use, so confirm the batteries are on the quote. (Source: 1.)
Specification sources, checked October 3, 2026:
fleX and aXis are not interchangeable labels
Keep the controller and generator model together when comparing Champion systems. The Champion brand guide covers the broader standby and portable ranges. Do not transfer a specification or accessory claim from a different control platform simply because the equipment shares a brand.
Ask the installer to identify compatible transfer equipment, any load-control devices and how priorities will operate. Use the load-management guide to prepare the questions, then obtain configuration-specific answers.
What should a quote establish?
The proposal should state the generator model, fuel, transfer-switch model, included batteries and accessories, installation work and commissioning scope. We have not verified a current equipment price for this page; request a dated quote rather than infer installed cost from an unrelated Champion listing.
Use the installation quote checklist to compare what is included. For alternative systems, review the whole-house buying shortlist against the same load requirements.
Maintenance starts with the exact manual
The operator’s manual distinguishes dry engine oil capacity from capacity during an oil-filter change. It also identifies an initial oil change after 25 hours. Follow the complete applicable schedule and oil guidance; do not use a dry-fill amount as a routine service quantity.
Record the manual, serial number, service dates and hour readings. Ask the dealer to explain generator warranty and transfer-equipment warranty separately. Our standby maintenance guide helps organize that record, while the actual manufacturer instructions control the work.
This page is a document-based model reference. It does not certify that the generator will start your particular HVAC equipment or supply every household load simultaneously.
What should an owner keep after installation?
Keep the Champion 201202 manual, transfer-equipment instructions, commissioning record and installer’s service contact together. Record the initial hour reading and the applicable first-service trigger. Use the maintenance planning guide to organize the record without importing another model’s intervals.