The Cub Cadet Tank S6031 coolant capacity is listed as 2.17 gal (8.2 L). It also lists coolant type ethylene glycol-based coolant and antifreeze mix 50/50 coolant and water mix.
Coolant capacity2.17 gal (8.2 L)
Coolant typeethylene glycol-based coolant
Antifreeze mix50/50 coolant and water mix
Cub Cadet Tank S6031 Coolant Capacity
Cooling system capacity
2.17 gal (8.2 L)
Coolant type
ethylene glycol-based coolant
Antifreeze mix
50/50 coolant and water mix
Engine model
S6031
Engine horsepower
31 hp (23.1 kW)
Engine displacement
0.9 L (52 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
31 hp
Average
35 hp
Low
20 hp
High
60 hp
Engine displacement comparison
This model
0.9 L
Average
0.9 L
Low
0.5 L
High
1.5 L
Cub Cadet Tank S6031 Coolant and Engine Notes
Coolant capacity note
The Cub Cadet Tank S6031’s key coolant figure here is 2.17 gal (8.2 L) for cooling system capacity. Use that before buying coolant or draining the system
Coolant type note
The captured coolant type for the Cub Cadet Tank S6031 is ethylene glycol-based coolant. Do not mix unknown coolant types unless the label and manual say they are compatible
Antifreeze mix note
For the Cub Cadet Tank S6031, the captured mix is 50/50 coolant and water mix. Straight water is not the right long-term answer unless you are only flushing the system
Engine context note
Engine context for the Cub Cadet Tank S6031: engine model S6031, engine horsepower 31 hp (23.1 kW), and displacement 0.9 L (52 cu in). Engine size helps explain why coolant capacity changes between models
Refill note
For a coolant change on the Cub Cadet Tank S6031, do not just dump in coolant and walk away. Fill slowly, run it up to temperature, cool it down and top up as needed
Cub Cadet Tank S6031 Coolant Capacity FAQ
What is the cooling system capacity of the Cub Cadet Tank S6031?
The Cub Cadet Tank S6031 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 Cub Cadet Tank S6031?
Use ethylene glycol-based coolant. 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 Cub Cadet Tank S6031?
Not for normal long-term use. The Cub Cadet Tank S6031 should use 50/50 coolant and water mix or the manual’s specified coolant mix so the system gets corrosion, freeze and boil protection.
Does old coolant matter in the Cub Cadet Tank S6031?
Yes. Old coolant can lose protection even if temperature looks normal. The listed service interval for the Cub Cadet Tank S6031 is the service interval in the operator manual.
Why does the Cub Cadet Tank S6031 coolant amount differ from other models?
Coolant capacity changes with engine and radiator setup. For the Cub Cadet Tank S6031, the supporting engine data is engine model S6031, horsepower 31 hp (23.1 kW), and displacement 0.9 L (52 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 cubcadet.com website for official information before draining or refilling the cooling system.
