The Cub Cadet 109 coolant capacity is listed as 5 gal (19 L). It also lists coolant type ethylene glycol-based coolant and antifreeze mix 50/50 coolant and water mix.
Cub Cadet 109 Coolant Capacity
| Coolant capacity | 5 gal (19 L) |
|---|---|
| Coolant type | ethylene glycol-based coolant |
| Antifreeze mix | 50/50 coolant and water mix |
| Engine displacement | 0.4 L (24 cu in) |
Coolant Capacity Comparison Chart
Coolant capacity comparison
Engine displacement comparison
Cub Cadet 109 Coolant and Engine Notes
| Coolant capacity note | For the Cub Cadet 109, 5 gal (19 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 Cub Cadet 109 is listed as ethylene glycol-based coolant. The safest move is to use coolant that matches the manual’s spec rather than mixing random formulas |
| Antifreeze mix note | For the Cub Cadet 109, 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 109: displacement 0.4 L (24 cu in). Engine size helps explain why coolant capacity changes between models |
| Refill note | When refilling the Cub Cadet 109, use 5 gal (19 L) as the planning number and 50/50 coolant and water mix as the mixture guide. Recheck the level after the thermostat opens |
Cub Cadet 109 Coolant Capacity FAQ
How much coolant does the Cub Cadet 109 take?
The main coolant amount captured for the Cub Cadet 109 is 5 gal (19 L). Buy a little extra so you can top up after the engine warms up and cools down.
Does coolant type matter on the Cub Cadet 109?
Yes. Capacity tells you how much to buy; coolant type tells you what to buy. For the Cub Cadet 109, the captured coolant type is ethylene glycol-based coolant.
What antifreeze mix does the Cub Cadet 109 use?
The captured antifreeze mix for the Cub Cadet 109 is 50/50 coolant and water mix. A 50/50-style mix is the common practical answer unless your manual or climate calls for something different.
When should the Cub Cadet 109 coolant be replaced?
Use the service interval in the operator manual as the service guide. Coolant can look okay but still lose corrosion protection over time.
Why does the Cub Cadet 109 coolant amount differ from other models?
Coolant capacity changes with engine and radiator setup. For the Cub Cadet 109, the supporting engine data is displacement 0.4 L (24 cu in).
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.
