The Cub Cadet 1535 coolant capacity is listed as 2.51 gal (9.5 L). It also lists coolant type ethylene glycol-based coolant and antifreeze mix 50/50 coolant and water mix.
Coolant capacity2.51 gal (9.5 L)
Coolant typeethylene glycol-based coolant
Antifreeze mix50/50 coolant and water mix
Change intervalevery 6,000 hours
Cub Cadet 1535 Coolant Capacity
Coolant capacity
2.51 gal (9.5 L)
Radiator capacity
2.5 gal (9.5 L)
Coolant type
ethylene glycol-based coolant
Antifreeze mix
50/50 coolant and water mix
Coolant change interval
every 6,000 hours
Engine horsepower
35 hp (26.1 kW)
Engine displacement
0.5 L (30.5 cu in)
Coolant Capacity Comparison Chart
Coolant capacity comparison
This model
2.51 gal
Average
2 gal
Low
1 gal
High
4 gal
Engine horsepower comparison
This model
35 hp
Average
35 hp
Low
20 hp
High
60 hp
Engine displacement comparison
This model
0.5 L
Average
0.9 L
Low
0.5 L
High
1.5 L
Cub Cadet 1535 Coolant and Engine Notes
Coolant capacity note
For service planning, the Cub Cadet 1535 should be treated as 2.51 gal (9.5 L) coolant capacity. That is a compact tractor cooling system where a normal premixed coolant jug may cover most of the refill
Radiator capacity note
Radiator capacity is listed as 2.5 gal (9.5 L). The full cooling system can be higher because coolant also sits in the engine and hoses
Coolant type note
Coolant type for the Cub Cadet 1535 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
The 50/50 coolant and water mix mix gives the Cub Cadet 1535 coolant system a sensible balance of freeze protection, boil protection and corrosion protection
Coolant change interval note
The captured coolant change interval for the Cub Cadet 1535 is every 6,000 hours. Old coolant can lose corrosion protection even if the tractor still runs cool
Engine context note
The Cub Cadet 1535 engine data captured here is engine horsepower 35 hp (26.1 kW) and displacement 0.5 L (30.5 cu in). Bigger engines usually need more coolant and more careful refill bleeding
Refill note
When refilling the Cub Cadet 1535, use 2.51 gal (9.5 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 1535 Coolant Capacity FAQ
What is the cooling system capacity of the Cub Cadet 1535?
The Cub Cadet 1535 cooling system capacity is shown as 2.51 gal (9.5 L). That is the number to use before draining the system.
What coolant type should I use in the Cub Cadet 1535?
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 1535?
Not for normal long-term use. The Cub Cadet 1535 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 1535?
Yes. Old coolant can lose protection even if temperature looks normal. The listed service interval for the Cub Cadet 1535 is every 6,000 hours.
What engine specs affect Cub Cadet 1535 coolant capacity?
The captured engine context is horsepower 35 hp (26.1 kW) and displacement 0.5 L (30.5 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.
