The Kubota Z121S machine fuel tank capacity found is 3.5 gal (13.2 L). Fuel type is diesel.
Fuel tank3.5 gal (13.2 L)
Fuel typediesel
5-gal cansone 5-gal can
Full fuel weightabout 25 lb (11 kg) of diesel
Kubota Z121S Fuel Tank Specs
Fuel tank capacity
3.5 gal (13.2 L)
Fuel type
diesel
Engine
21 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 25 lb (11 kg) of diesel
Fuel Tank Benchmarks
Fuel tank capacity benchmark
This model
3.5 gal
Average
3.5 gal
Low
1.3 gal
High
7.5 gal
Benchmarks are general reference ranges for lawn and garden tractors and mowers.
Kubota Z121S Fuel Tank FAQ
Fuel tank capacity
The Kubota Z121S machine holds 3.5 gallons, which is about 13.2 litres. Use that as the refill figure when planning diesel storage, fuel cans or workshop servicing.
Fuel type
The fuel type found for the Kubota Z121S machine is diesel. Match the fuel type to the operator manual and the engine fitted to your exact model.
Fuel tank size class
The Kubota Z121S is listed as having a medium mower fuel tank based on the fuel tank capacity found.
Fuel cans needed from empty
From empty, the Kubota Z121S 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 Kubota Z121S adds about 25 lb (11 kg) of diesel before allowing for the tank itself.
Engine specs found
Engine specs found for the Kubota Z121S include 21 hp.
Fuel refill planning note
Plan around roughly 3.5 gal of fuel for a full refill. This is best treated as a short-job or frequent-refill tank. Tank class: small fuel tank. Fuel type: diesel and gasoline.
Official information note
Mistakes do happen. Check the operator manual, service manual and official kubotausa.com website for official fuel capacity specifications before refuelling, servicing or buying parts.
