The Kubota Z125E coolant capacity is listed as 0.88 gal (3.3 L). It also lists coolant type ethylene glycol-based coolant, Kubota Genuine Coolant, and ASTM D3306 compatible and antifreeze mix 50/50 coolant and distilled water mix.
Kubota Z125E Coolant Capacity
| Coolant capacity | 0.88 gal (3.3 L) |
|---|---|
| Coolant type | ethylene glycol-based coolant, Kubota Genuine Coolant, and ASTM D3306 compatible |
| Antifreeze mix | 50/50 coolant and distilled water mix |
| Engine horsepower | 25 hp (18.6 kW) |
| Engine displacement | 1.9 L (115.9 cu in) |
Coolant Capacity Comparison Chart
Coolant capacity comparison
Engine horsepower comparison
Engine displacement comparison
Kubota Z125E Coolant and Engine Notes
| Coolant capacity note | The Kubota Z125E’s key coolant figure here is 0.88 gal (3.3 L) for coolant capacity. Use that before buying coolant or draining the system |
|---|---|
| Coolant type note | Coolant type for the Kubota Z125E is listed as ethylene glycol-based coolant, Kubota Genuine Coolant, and ASTM D3306 compatible. The safest move is to use coolant that matches the manual’s spec rather than mixing random formulas |
| Antifreeze mix note | For the Kubota Z125E, the captured mix is 50/50 coolant and distilled 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 Z125E: engine horsepower 25 hp (18.6 kW) and displacement 1.9 L (115.9 cu in). Engine size helps explain why coolant capacity changes between models |
| Refill note | When refilling the Kubota Z125E, use 0.88 gal (3.3 L) as the planning number and 50/50 coolant and distilled water mix as the mixture guide. Recheck the level after the thermostat opens |
Kubota Z125E Coolant Capacity FAQ
How much coolant does the Kubota Z125E take?
The main coolant amount captured for the Kubota Z125E is 0.88 gal (3.3 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 Z125E?
Yes. Capacity tells you how much to buy; coolant type tells you what to buy. For the Kubota Z125E, the captured coolant type is ethylene glycol-based coolant, Kubota Genuine Coolant, and ASTM D3306 compatible.
What antifreeze mix does the Kubota Z125E use?
The captured antifreeze mix for the Kubota Z125E is 50/50 coolant and distilled 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 Z125E 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.
Why does the Kubota Z125E coolant amount differ from other models?
Coolant capacity changes with engine and radiator setup. For the Kubota Z125E, the supporting engine data is horsepower 25 hp (18.6 kW) and displacement 1.9 L (115.9 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.
