The Cub Cadet 80 coolant capacity is listed as 3.75 gal (14.2 L). It also lists coolant type ethylene glycol-based coolant and antifreeze mix 50/50 coolant and water mix.
Coolant capacity3.75 gal (14.2 L)
Coolant typeethylene glycol-based coolant
Antifreeze mix50/50 coolant and water mix
Cub Cadet 80 Coolant Capacity
Coolant capacity
3.75 gal (14.2 L)
Coolant type
ethylene glycol-based coolant
Antifreeze mix
50/50 coolant and water mix
Engine model
K161
Engine horsepower
16 hp (11.9 kW)
Engine displacement
0.1 L (8 cu in)
Coolant Capacity Comparison Chart
Coolant capacity comparison
This model
3.75 gal
Average
4 gal
Low
2 gal
High
8 gal
Engine horsepower comparison
This model
16 hp
Average
18 hp
Low
10 hp
High
30 hp
Engine displacement comparison
This model
0.1 L
Average
0.9 L
Low
0.5 L
High
1.5 L
Cub Cadet 80 Coolant and Engine Notes
Coolant capacity note
For the Cub Cadet 80, 3.75 gal (14.2 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
For the Cub Cadet 80, coolant type matters as much as capacity. The clean captured value is ethylene glycol-based coolant
Antifreeze mix note
The 50/50 coolant and water mix mix gives the Cub Cadet 80 coolant system a sensible balance of freeze protection, boil protection and corrosion protection
Engine context note
The Cub Cadet 80 engine data captured here is engine model K161, engine horsepower 16 hp (11.9 kW), and displacement 0.1 L (8 cu in). Bigger engines usually need more coolant and more careful refill bleeding
Refill note
The practical service move for the Cub Cadet 80: buy enough coolant for 3.75 gal (14.2 L), fill to spec, run the engine, then recheck the radiator and overflow bottle after cooling
Cub Cadet 80 Coolant Capacity FAQ
What is the cooling system capacity of the Cub Cadet 80?
The Cub Cadet 80 cooling system capacity is shown as 3.75 gal (14.2 L). That is the number to use before draining the system.
What coolant type should I use in the Cub Cadet 80?
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 80?
Not for normal long-term use. The Cub Cadet 80 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 80?
Yes. Old coolant can lose protection even if temperature looks normal. The listed service interval for the Cub Cadet 80 is the service interval in the operator manual.
What engine specs affect Cub Cadet 80 coolant capacity?
The captured engine context is engine model K161, horsepower 16 hp (11.9 kW), and displacement 0.1 L (8 cu in). Engine size is one reason coolant capacity changes between tractors.
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.
