Quick answer:
The Cub Cadet XT3 GSE tractor fuel tank capacity found is 3.3 gal (12.5 L). Fuel type is diesel.
Fuel tank3.3 gal (12.5 L)
Fuel typediesel
5-gal cansone 5-gal can
Full fuel weightabout 23 lb (11 kg) of diesel
Cub Cadet XT3 GSE Fuel Tank Specs
| Fuel tank capacity | 3.3 gal (12.5 L) |
|---|---|
| Fuel type | diesel |
| Engine model | Kohler CH680 |
| Engine horsepower | 22.5 hp |
| Engine displacement | 40.9 cu in (0.67 L) |
| Fuel capacity per horsepower | 0.15 gal per hp |
| Fuel tank size class | medium mower fuel tank |
| 5-gallon fuel cans | one 5-gal can |
| 10-litre fuel jugs | about 2 x 10-L jugs |
| Estimated full tank fuel weight | about 23 lb (11 kg) of diesel |
Fuel Tank Benchmarks
Fuel tank capacity benchmark
Engine horsepower benchmark
Fuel per horsepower benchmark
Benchmarks are general reference ranges for lawn and garden tractors and mowers.
Cub Cadet XT3 GSE Fuel Tank FAQ
| Fuel tank capacity | The Cub Cadet XT3 GSE tractor holds 3.3 gallons, which is about 12.5 litres. Use that as the refill figure when planning diesel storage, fuel cans or workshop servicing. |
|---|---|
| Fuel type | The fuel type found for the Cub Cadet XT3 GSE tractor is diesel. Match the fuel type to the operator manual and the engine fitted to your exact model. |
| Fuel tank size class | The Cub Cadet XT3 GSE is listed as having a medium mower fuel tank based on the fuel tank capacity found. |
| Fuel cans needed from empty | From empty, the Cub Cadet XT3 GSE needs one 5-gal can or about 2 x 10-L jugs to cover a full refill. |
| Estimated full tank fuel weight | A full tank on the Cub Cadet XT3 GSE adds about 23 lb (11 kg) of diesel before allowing for the tank itself. |
| Engine specs found | Engine specs found for the Cub Cadet XT3 GSE include Kohler CH680, 22.5 hp, 40.9 cu in (0.67 L). |
| Fuel capacity per horsepower | The fuel capacity per horsepower for the Cub Cadet XT3 GSE is 0.15 gal per hp based on the fuel tank and engine horsepower figures found. |
| Fuel refill planning note | Plan around roughly 3.3 gal of fuel for a full refill. This is best treated as a short-job or frequent-refill tank. Tank class: medium mower fuel tank. Fuel type: diesel and gasoline. |
Official information note
Mistakes do happen. Check the operator manual, service manual and official cubcadet.com website for official fuel capacity specifications before refuelling, servicing or buying parts.




