The Kubota KL5550 coolant capacity is listed as 2.17 gal (8.2 L). It also lists coolant type ethylene glycol-based coolant, Kubota Genuine Coolant, and long-life coolant.
Kubota KL5550 Coolant Capacity
| Cooling system capacity | 2.17 gal (8.2 L) |
|---|---|
| Radiator capacity | 2.17 gal (8.2 L) |
| Coolant type | ethylene glycol-based coolant, Kubota Genuine Coolant, and long-life coolant |
| Engine horsepower | 54 hp (40.3 kW) |
| Engine displacement | 2.4 L (146.5 cu in) |
Coolant Capacity Comparison Chart
Coolant capacity comparison
Engine horsepower comparison
Engine displacement comparison
Kubota KL5550 Coolant and Engine Notes
| Coolant capacity note | The headline cooling-system number for the Kubota KL5550 is 2.17 gal (8.2 L). Buy enough coolant before opening the drain plug |
|---|---|
| Radiator capacity note | The Kubota KL5550 radiator figure is 2.17 gal (8.2 L). Treat it as radiator context, not always the complete refill amount |
| Coolant type note | Use the right coolant formula for the Kubota KL5550: ethylene glycol-based coolant, Kubota Genuine Coolant, and long-life coolant. Cheap wrong coolant is not a smart saving if it causes corrosion or deposits |
| Engine context note | For the Kubota KL5550, the supporting engine specs are engine horsepower 54 hp (40.3 kW) and displacement 2.4 L (146.5 cu in). Use them as context beside the coolant capacity, not as a replacement for the manual |
| Refill note | Coolant changes are simple but easy to do sloppily. On the Kubota KL5550, plan around 2.17 gal (8.2 L) and confirm the final level after air works out of the system |
Kubota KL5550 Coolant Capacity FAQ
What is the cooling system capacity of the Kubota KL5550?
The Kubota KL5550 cooling system capacity is shown as 2.17 gal (8.2 L). That is the number to use before draining the system.
What coolant type should I use in the Kubota KL5550?
Use ethylene glycol-based coolant, Kubota Genuine Coolant, and long-life 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 Kubota KL5550?
Not for normal long-term use. The Kubota KL5550 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 Kubota KL5550?
Yes. Old coolant can lose protection even if temperature looks normal. The listed service interval for the Kubota KL5550 is the service interval in the operator manual.
What engine specs affect Kubota KL5550 coolant capacity?
The captured engine context is horsepower 54 hp (40.3 kW) and displacement 2.4 L (146.5 cu in). Engine size is one reason coolant capacity changes between tractors.
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.
