The Kubota FZ2100 coolant capacity is listed as 2.17 gal (8.2 L). It also lists coolant type ethylene glycol-based coolant, Kubota Genuine Coolant, and ASTM D3306 compatible.
ethylene glycol-based coolant, Kubota Genuine Coolant, and ASTM D3306 compatible
Engine model
D905-FZ
Engine horsepower
20 hp (14.9 kW)
Engine displacement
0.9 L (54.8 cu in)
Coolant Capacity Comparison Chart
Coolant capacity comparison
This model
2.17 gal
Average
2 gal
Low
1 gal
High
4 gal
Engine horsepower comparison
This model
20 hp
Average
18 hp
Low
10 hp
High
30 hp
Engine displacement comparison
This model
0.9 L
Average
0.9 L
Low
0.5 L
High
1.5 L
Kubota FZ2100 Coolant and Engine Notes
Coolant capacity note
For the Kubota FZ2100, 2.17 gal (8.2 L) is the main coolant capacity captured. Use it as a refill planning number, then confirm the final level at the machine
Coolant type note
Coolant type for the Kubota FZ2100 is listed as ethylene glycol-based coolant, Kubota Genuine Coolant, and ASTM D3306 compatible. The safest move is to use coolant that matches the manual’s spec rather than mixing random formulas
Engine context note
For the Kubota FZ2100, the supporting engine specs are engine model D905-FZ, engine horsepower 20 hp (14.9 kW), and displacement 0.9 L (54.8 cu in). Use them as context beside the coolant capacity, not as a replacement for the manual
Refill note
When refilling the Kubota FZ2100, use 2.17 gal (8.2 L) as the planning number and the manual’s coolant mix as the mixture guide. Recheck the level after the thermostat opens
Kubota FZ2100 Coolant Capacity FAQ
What is the cooling system capacity of the Kubota FZ2100?
The Kubota FZ2100 cooling system capacity is shown as 2.17 gal (8.2 L). That is the number to use before draining the system.
What coolant type should I use in the Kubota FZ2100?
Use ethylene glycol-based coolant, Kubota Genuine Coolant, and ASTM D3306 compatible. The blunt rule is simple: match the manual’s coolant spec and do not mix unknown coolant formulas.
Should I use straight water in the Kubota FZ2100?
Not for normal long-term use. The Kubota FZ2100 should use the coolant mix specified in the manual or the manual’s specified coolant mix so the system gets corrosion, freeze and boil protection.
Does old coolant matter in the Kubota FZ2100?
Yes. Old coolant can lose protection even if temperature looks normal. The listed service interval for the Kubota FZ2100 is the service interval in the operator manual.
Why does the Kubota FZ2100 coolant amount differ from other models?
Coolant capacity changes with engine and radiator setup. For the Kubota FZ2100, the supporting engine data is engine model D905-FZ, horsepower 20 hp (14.9 kW), and displacement 0.9 L (54.8 cu in).
Official information note
Mistakes do happen. Tractor coolant specs can change by year, market, engine, radiator, cab/heater setup and service procedure. Please check the operator manual, decal information and official kubotausa.com website for official information before draining or refilling the cooling system.
