The Kubota SMZ955 coolant capacity is listed as 2.8 gal (10.6 L). It also lists coolant type ethylene glycol-based coolant and ASTM D3306 compatible.
Coolant capacity2.8 gal (10.6 L)
Coolant typeethylene glycol-based coolant and ASTM D3306 compatible
Kubota SMZ955 Coolant Capacity
Cooling system capacity
2.8 gal (10.6 L)
Coolant type
ethylene glycol-based coolant and ASTM D3306 compatible
Engine horsepower
93.7 hp (69.9 kW)
Engine displacement
3.8 L (231.9 cu in)
Coolant Capacity Comparison Chart
Coolant capacity comparison
This model
2.8 gal
Average
2 gal
Low
1 gal
High
4 gal
Engine horsepower comparison
This model
94 hp
Average
75 hp
Low
40 hp
High
125 hp
Engine displacement comparison
This model
3.8 L
Average
3.5 L
Low
1.8 L
High
6 L
Kubota SMZ955 Coolant and Engine Notes
Coolant capacity note
The headline cooling-system number for the Kubota SMZ955 is 2.8 gal (10.6 L). Buy enough coolant before opening the drain plug
Coolant type note
For the Kubota SMZ955, coolant type matters as much as capacity. The clean captured value is ethylene glycol-based coolant and ASTM D3306 compatible
Engine context note
Engine context for the Kubota SMZ955: engine horsepower 93.7 hp (69.9 kW) and displacement 3.8 L (231.9 cu in). Engine size helps explain why coolant capacity changes between models
Refill note
The practical service move for the Kubota SMZ955: buy enough coolant for 2.8 gal (10.6 L), fill to spec, run the engine, then recheck the radiator and overflow bottle after cooling
Kubota SMZ955 Coolant Capacity FAQ
What is the cooling system capacity of the Kubota SMZ955?
The Kubota SMZ955 cooling system capacity is shown as 2.8 gal (10.6 L). That is the number to use before draining the system.
What coolant type should I use in the Kubota SMZ955?
Use ethylene glycol-based 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 SMZ955?
Not for normal long-term use. The Kubota SMZ955 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 SMZ955?
Yes. Old coolant can lose protection even if temperature looks normal. The listed service interval for the Kubota SMZ955 is the service interval in the operator manual.
Why does the Kubota SMZ955 coolant amount differ from other models?
Coolant capacity changes with engine and radiator setup. For the Kubota SMZ955, the supporting engine data is horsepower 93.7 hp (69.9 kW) and displacement 3.8 L (231.9 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.
