The Kubota KL43 coolant capacity is listed as 2.17 gal (8.2 L). It also lists coolant type ethylene glycol-based coolant and ASTM D3306 compatible and antifreeze mix 50/50 coolant and water mix.
Kubota KL43 Coolant Capacity
| Coolant capacity | 2.17 gal (8.2 L) |
|---|---|
| Cooling system capacity | 2.17 gal (8.2 L) |
| Radiator capacity | 2.17 gal (8.2 L) |
| Coolant type | ethylene glycol-based coolant and ASTM D3306 compatible |
| Antifreeze mix | 50/50 coolant and water mix |
| Coolant change interval | every 700 hours |
| Engine horsepower | 42 hp (31.3 kW) |
| Engine displacement | 1.5 L (91.5 cu in) |
Coolant Capacity Comparison Chart
Coolant capacity comparison
Engine horsepower comparison
Engine displacement comparison
Kubota KL43 Coolant and Engine Notes
| Coolant capacity note | The Kubota KL43 coolant spec points to 2.17 gal (8.2 L). Do not rely on the radiator-only amount if the full cooling-system capacity is available |
|---|---|
| Radiator capacity note | For the Kubota KL43, the captured radiator capacity is 2.17 gal (8.2 L). If you are doing a full drain, check the full cooling-system capacity too |
| Coolant type note | Use the right coolant formula for the Kubota KL43: ethylene glycol-based coolant and ASTM D3306 compatible. Cheap wrong coolant is not a smart saving if it causes corrosion or deposits |
| Antifreeze mix note | For the Kubota KL43, 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 |
| Coolant change interval note | Coolant service for the Kubota KL43 is listed as every 700 hours. If the service history is unknown, a fresh drain and refill is usually the cleaner move |
| Engine context note | Engine context for the Kubota KL43: engine horsepower 42 hp (31.3 kW) and displacement 1.5 L (91.5 cu in). Engine size helps explain why coolant capacity changes between models |
| Refill note | Coolant changes are simple but easy to do sloppily. On the Kubota KL43, plan around 2.17 gal (8.2 L) and confirm the final level after air works out of the system |
Kubota KL43 Coolant Capacity FAQ
How much coolant does the Kubota KL43 take?
The main coolant amount captured for the Kubota KL43 is 2.17 gal (8.2 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 KL43?
Yes. Capacity tells you how much to buy; coolant type tells you what to buy. For the Kubota KL43, the captured coolant type is ethylene glycol-based coolant and ASTM D3306 compatible.
What antifreeze mix does the Kubota KL43 use?
The captured antifreeze mix for the Kubota KL43 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 KL43 coolant be replaced?
Use every 700 hours as the service guide. Coolant can look okay but still lose corrosion protection over time.
Why does the Kubota KL43 coolant amount differ from other models?
Coolant capacity changes with engine and radiator setup. For the Kubota KL43, the supporting engine data is horsepower 42 hp (31.3 kW) and displacement 1.5 L (91.5 cu in).
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.
