The Cub Cadet XT3 GSE coolant capacity is listed as 0.88 gal (3.3 L). It also lists coolant type ethylene glycol-based coolant and antifreeze mix 50/50 coolant and water mix.
Coolant capacity0.88 gal (3.3 L)
Coolant typeethylene glycol-based coolant
Antifreeze mix50/50 coolant and water mix
Cub Cadet XT3 GSE Coolant Capacity
Coolant capacity
0.88 gal (3.3 L)
Coolant type
ethylene glycol-based coolant
Antifreeze mix
50/50 coolant and water mix
Engine displacement
0.7 L (41.1 cu in)
Coolant Capacity Comparison Chart
Coolant capacity comparison
This model
0.88 gal
Average
1 gal
Low
0.5 gal
High
2 gal
Engine displacement comparison
This model
0.7 L
Average
0.9 L
Low
0.5 L
High
1.5 L
Cub Cadet XT3 GSE Coolant and Engine Notes
Coolant capacity note
The Cub Cadet XT3 GSE coolant spec points to 0.88 gal (3.3 L). Do not rely on the radiator-only amount if the full cooling-system capacity is available
Coolant type note
Coolant type for the Cub Cadet XT3 GSE 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 XT3 GSE, 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 XT3 GSE: displacement 0.7 L (41.1 cu in). Engine size helps explain why coolant capacity changes between models
Refill note
When refilling the Cub Cadet XT3 GSE, use 0.88 gal (3.3 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 XT3 GSE Coolant Capacity FAQ
How much coolant does the Cub Cadet XT3 GSE take?
The main coolant amount captured for the Cub Cadet XT3 GSE is 0.88 gal (3.3 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 XT3 GSE?
Yes. Capacity tells you how much to buy; coolant type tells you what to buy. For the Cub Cadet XT3 GSE, the captured coolant type is ethylene glycol-based coolant.
What antifreeze mix does the Cub Cadet XT3 GSE use?
The captured antifreeze mix for the Cub Cadet XT3 GSE 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 XT3 GSE 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.
What engine specs affect Cub Cadet XT3 GSE coolant capacity?
The captured engine context is displacement 0.7 L (41.1 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.
