The Cub Cadet LT 1018 coolant capacity is listed as 0.66 gal (2.5 L). It also lists coolant type ethylene glycol-based coolant.
Coolant capacity0.66 gal (2.5 L)
Coolant typeethylene glycol-based coolant
Cub Cadet LT 1018 Coolant Capacity
Coolant capacity
0.66 gal (2.5 L)
Cooling system capacity
0.66 gal (2.5 L)
Radiator capacity
0.63 gal (2.4 L)
Coolant type
ethylene glycol-based coolant
Engine horsepower
18.5 hp (13.8 kW)
Coolant Capacity Comparison Chart
Coolant capacity comparison
This model
0.66 gal
Average
1 gal
Low
0.5 gal
High
2 gal
Engine horsepower comparison
This model
19 hp
Average
18 hp
Low
10 hp
High
30 hp
Cub Cadet LT 1018 Coolant and Engine Notes
Coolant capacity note
For the Cub Cadet LT 1018, 0.66 gal (2.5 L) is the main coolant capacity captured. Use it as a refill planning number, then confirm the final level at the machine
Radiator capacity note
For the Cub Cadet LT 1018, the captured radiator capacity is 0.63 gal (2.4 L). If you are doing a full drain, check the full cooling-system capacity too
Coolant type note
Coolant type for the Cub Cadet LT 1018 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
Engine context note
Engine context for the Cub Cadet LT 1018: engine horsepower 18.5 hp (13.8 kW). Engine size helps explain why coolant capacity changes between models
Refill note
When refilling the Cub Cadet LT 1018, use 0.66 gal (2.5 L) as the planning number and the manual’s coolant mix as the mixture guide. Recheck the level after the thermostat opens
Cub Cadet LT 1018 Coolant Capacity FAQ
What is the cooling system capacity of the Cub Cadet LT 1018?
The Cub Cadet LT 1018 cooling system capacity is shown as 0.66 gal (2.5 L). That is the number to use before draining the system.
What coolant type should I use in the Cub Cadet LT 1018?
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 LT 1018?
Not for normal long-term use. The Cub Cadet LT 1018 should use the coolant mix specified in the manual or the manual’s specified coolant mix so the system gets corrosion, freeze and boil protection.
Does old coolant matter in the Cub Cadet LT 1018?
Yes. Old coolant can lose protection even if temperature looks normal. The listed service interval for the Cub Cadet LT 1018 is the service interval in the operator manual.
Why does the Cub Cadet LT 1018 coolant amount differ from other models?
Coolant capacity changes with engine and radiator setup. For the Cub Cadet LT 1018, the supporting engine data is horsepower 18.5 hp (13.8 kW).
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.
