The Kubota B5000 coolant capacity is listed as 1.64 gal (6.2 L). It also lists antifreeze mix 50/50 coolant and water mix.
Coolant capacity1.64 gal (6.2 L)
Antifreeze mix50/50 coolant and water mix
Kubota B5000 Coolant Capacity
Coolant capacity
1.64 gal (6.2 L)
Cooling system capacity
1.59 gal (6 L)
Radiator capacity
1.59 gal (6 L)
Antifreeze mix
50/50 coolant and water mix
Engine horsepower
9 hp (6.7 kW)
Engine displacement
0.5 L (30.5 cu in)
Coolant Capacity Comparison Chart
Coolant capacity comparison
This model
1.64 gal
Average
2 gal
Low
1 gal
High
4 gal
Engine horsepower comparison
This model
9 hp
Average
18 hp
Low
10 hp
High
30 hp
Engine displacement comparison
This model
0.5 L
Average
0.9 L
Low
0.5 L
High
1.5 L
Kubota B5000 Coolant and Engine Notes
Coolant capacity note
The headline cooling-system number for the Kubota B5000 is 1.64 gal (6.2 L). Buy enough coolant before opening the drain plug
Radiator capacity note
For the Kubota B5000, the captured radiator capacity is 1.59 gal (6 L). If you are doing a full drain, check the full cooling-system capacity too
Antifreeze mix note
For the Kubota B5000, 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 Kubota B5000: engine horsepower 9 hp (6.7 kW) and displacement 0.5 L (30.5 cu in). Engine size helps explain why coolant capacity changes between models
Refill note
When refilling the Kubota B5000, use 1.64 gal (6.2 L) as the planning number and 50/50 coolant and water mix as the mixture guide. Recheck the level after the thermostat opens
Kubota B5000 Coolant Capacity FAQ
How much coolant does the Kubota B5000 take?
The main coolant amount captured for the Kubota B5000 is 1.64 gal (6.2 L). Buy a little extra so you can top up after the engine warms up and cools down.
Does coolant type matter on the Kubota B5000?
Yes. Capacity tells you how much to buy; coolant type tells you what to buy. For the Kubota B5000, the captured coolant type is the coolant type specified in the manual.
What antifreeze mix does the Kubota B5000 use?
The captured antifreeze mix for the Kubota B5000 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 Kubota B5000 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 Kubota B5000 coolant capacity?
The captured engine context is horsepower 9 hp (6.7 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 kubotausa.com website for official information before draining or refilling the cooling system.
