Cub Cadet 1806 Coolant Capacity

Quick answer:

The Cub Cadet 1806 coolant capacity is listed as 0.5 gal (1.9 L). It also lists coolant type ethylene glycol-based coolant and antifreeze mix 50/50 coolant and water mix.

Coolant capacity0.5 gal (1.9 L)
Coolant typeethylene glycol-based coolant
Antifreeze mix50/50 coolant and water mix

Cub Cadet 1806 Coolant Capacity

Coolant capacity 0.5 gal (1.9 L)
Cooling system capacity 0.5 gal (1.9 L)
Coolant type ethylene glycol-based coolant
Antifreeze mix 50/50 coolant and water mix
Engine horsepower 18 hp (13.4 kW)
Engine displacement 0.7 L (42.2 cu in)

Coolant Capacity Comparison Chart

Coolant capacity comparison

This model

0.5 gal

Average

1 gal

Low

0.5 gal

High

2 gal

Engine horsepower comparison

This model

18 hp

Average

18 hp

Low

10 hp

High

30 hp

Engine displacement comparison

This model

0.7 L

Average

0.9 L

Low

0.5 L

High

1.5 L

Cub Cadet 1806 Coolant and Engine Notes

Coolant capacity note The headline cooling-system number for the Cub Cadet 1806 is 0.5 gal (1.9 L). Buy enough coolant before opening the drain plug
Coolant type note The captured coolant type for the Cub Cadet 1806 is ethylene glycol-based coolant. Do not mix unknown coolant types unless the label and manual say they are compatible
Antifreeze mix note The Cub Cadet 1806 antifreeze mix is listed as 50/50 coolant and water mix. That is the normal protection range for freezing, boiling and corrosion control
Engine context note For the Cub Cadet 1806, the supporting engine specs are engine horsepower 18 hp (13.4 kW) and displacement 0.7 L (42.2 cu in). Use them as context beside the coolant capacity, not as a replacement for the manual
Refill note For a coolant change on the Cub Cadet 1806, 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 1806 Coolant Capacity FAQ

What is the cooling system capacity of the Cub Cadet 1806?

The Cub Cadet 1806 cooling system capacity is shown as 0.5 gal (1.9 L). That is the number to use before draining the system.

What coolant type should I use in the Cub Cadet 1806?

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 1806?

Not for normal long-term use. The Cub Cadet 1806 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 1806?

Yes. Old coolant can lose protection even if temperature looks normal. The listed service interval for the Cub Cadet 1806 is the service interval in the operator manual.

What engine specs affect Cub Cadet 1806 coolant capacity?

The captured engine context is horsepower 18 hp (13.4 kW) and displacement 0.7 L (42.2 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.