The Kubota M135GX-IV coolant capacity is listed as 50.2 gal (190 L). It also lists coolant type ethylene glycol-based coolant and Kubota Genuine Coolant.
Kubota M135GX-IV Coolant Capacity
| Coolant capacity | 50.2 gal (190 L) |
|---|---|
| Radiator capacity | 50.2 gal (190 L) |
| Coolant type | ethylene glycol-based coolant and Kubota Genuine Coolant |
| Engine model | V6108-TI-CRS |
| Engine horsepower | 143 hp (106.6 kW) |
| Engine displacement | 6.1 L (373.8 cu in) |
Coolant Capacity Comparison Chart
Coolant capacity comparison
Engine horsepower comparison
Engine displacement comparison
Kubota M135GX-IV Coolant and Engine Notes
| Coolant capacity note | The headline cooling-system number for the Kubota M135GX-IV is 50.2 gal (190 L). Buy enough coolant before opening the drain plug |
|---|---|
| Radiator capacity note | For the Kubota M135GX-IV, the captured radiator capacity is 50.2 gal (190 L). If you are doing a full drain, check the full cooling-system capacity too |
| Coolant type note | For the Kubota M135GX-IV, coolant type matters as much as capacity. The clean captured value is ethylene glycol-based coolant and Kubota Genuine Coolant |
| Engine context note | Engine context for the Kubota M135GX-IV: engine model V6108-TI-CRS, engine horsepower 143 hp (106.6 kW), and displacement 6.1 L (373.8 cu in). Engine size helps explain why coolant capacity changes between models |
| Refill note | The practical service move for the Kubota M135GX-IV: buy enough coolant for 50.2 gal (190 L), fill to spec, run the engine, then recheck the radiator and overflow bottle after cooling |
Kubota M135GX-IV Coolant Capacity FAQ
What is the cooling system capacity of the Kubota M135GX-IV?
The Kubota M135GX-IV cooling system capacity is shown as 50.2 gal (190 L). That is the number to use before draining the system.
What coolant type should I use in the Kubota M135GX-IV?
Use ethylene glycol-based coolant and Kubota Genuine 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 M135GX-IV?
Not for normal long-term use. The Kubota M135GX-IV 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 M135GX-IV?
Yes. Old coolant can lose protection even if temperature looks normal. The listed service interval for the Kubota M135GX-IV is the service interval in the operator manual.
Why does the Kubota M135GX-IV coolant amount differ from other models?
Coolant capacity changes with engine and radiator setup. For the Kubota M135GX-IV, the supporting engine data is engine model V6108-TI-CRS, horsepower 143 hp (106.6 kW), and displacement 6.1 L (373.8 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.
