The Kubota Z421 machine fuel tank capacity found is 10.6 gal (40.1 L). Fuel type is gasoline.
Fuel tank10.6 gal (40.1 L)
Fuel typegasoline
5-gal cansabout 3 x 5-gal cans
Full fuel weightabout 66 lb (30 kg) of gasoline
Kubota Z421 Fuel Tank Specs
Fuel tank capacity
10.6 gal (40.1 L)
Fuel type
gasoline
Engine model
Kubota Z421 is equipped
Fuel tank size class
large mower fuel tank
5-gallon fuel cans
about 3 x 5-gal cans
10-litre fuel jugs
about 5 x 10-L jugs
Estimated full tank fuel weight
about 66 lb (30 kg) of gasoline
Fuel Tank Benchmarks
Fuel tank capacity benchmark
This model
10.6 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 Z421 Fuel Tank FAQ
Fuel tank capacity
The Kubota Z421 machine holds 10.6 gallons, which is about 40.1 litres. Use that as the refill figure when planning gasoline storage, fuel cans or workshop servicing.
Fuel type
The fuel type found for the Kubota Z421 machine is gasoline. Match the fuel type to the operator manual and the engine fitted to your exact model.
Fuel tank size class
The Kubota Z421 is listed as having a large mower fuel tank based on the fuel tank capacity found.
Fuel cans needed from empty
From empty, the Kubota Z421 needs about 3 x 5-gal cans or about 5 x 10-L jugs to cover a full refill.
Estimated full tank fuel weight
A full tank on the Kubota Z421 adds about 66 lb (30 kg) of gasoline before allowing for the tank itself.
Engine specs found
Engine specs found for the Kubota Z421 include Kubota Z421 is equipped.
Fuel refill planning note
Plan around roughly 10.6 gal of fuel for a full refill. This gives more working time than a small tank, but refuelling still matters for longer mowing or property jobs. Tank class: large mower fuel tank. Fuel type: 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.
