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Below are the oil and grease maintenance tables for equipment lubrication involving grease and oil for Kubota products. For general maintenance information, refer to the Check Points Maintenance Schedule.
Kubota has released B20 and B5 fuels for certain models. Learn more about Biodiesel Fuels.
| System | Application | Specifications |
|---|---|---|
| DIESEL FUEL | Temperatures below 14°F (-10°C) | No. 1-D Diesel Fuel |
| DIESEL FUEL | Temperatures above 14°F (-10°C) | No. 2-D Diesel Fuel |
| DIESEL FUEL | All Applications | Min. Cetane rating of 45; 50 below -4°F |
| DIESEL FUEL | Interim Tier4 and Newer | Ultra Low Sulfur Diesel (15 ppm or less) required |
| DIESEL FUEL | All Other Applications | Ultra Low Sulfur Diesel (15 ppm or less) highly recommended |
| BIO DIESEL FUEL | Kubota has released B20 and B5 fuels for certain models. B5 only for Interim Tier4 and Newer. | Contact your authorized Kubota dealer for details. |
| COOLANT | All Applications | Use a 50/50 mixture of clean water and Anti-Freeze.* |
| DIESEL ENGINE OIL | EGR Type | API Classification |
| DIESEL ENGINE OIL | Interim Tier4 and Newer | CJ-4 Required** |
| DIESEL ENGINE OIL | External EGR | CJ-4, CI-4** |
| DIESEL ENGINE OIL | Non-EGR | CJ-4, CI-4, CH-4** |
| GASOLINE ENGINE OIL | All Applications | API Classifications SJ, SL, SM, or Higher |
| TRANSMISSION OIL | All Applications | KUBOTA Universal Dynamic Tractor (UDT) or SUPER UDT2 Fluid |
| POWER STEERING GEAR | All Applications | KUBOTA Universal Dynamic Tractor (UDT) or SUPER UDT2 Fluid |
| FRONT AXLE ASSEMBLY | 4WD Tractor Applications | KUBOTA Universal Dynamic Tractor (UDT) or Super UDT2 Fluid recommended, or SAE 80W90 (GL-4) Gear Oil |
| HYDRAULIC OIL | Excavator and Compact Track Loader Winter Applications*** | ISO 32 |
| HYDRAULIC OIL | Factory Fill - Excavator and Compact Track Loader Winter Applications*** | ISO 46 |
| HYDRAULIC OIL | Excavator and Compact Track Loader Summer or High Ambient Temperature Applications*** | ISO 68 |
| TRACK ASSEMBLY | Excavator and Compact Track Loader Track Roller, Upper Roller, and Front/Rear Idler | SAE30 Motor Oil (CD or higher) |
| DRIVE UNIT | Excavator Wheel Motor (Drive Unit) Winter Applications | SAE75 or SAE80 Gear Oil (GL-4) |
| DRIVE UNIT | Factory Fill - Excavator Wheel Motor (Drive Unit) Summer or High Ambient Temperature Applications | SAE90 Gear Oil (GL-4) |
| DRIVE UNIT | Excavator Wheel Motor (Drive Unit) Summer or High Ambient Temperature Applications | SAE140 Gear Oil (GL-4) |
*Never mix different colors of antifreeze.
**As of May 2012 this information supersedes all previous publications regarding the use of CJ-4
***Do not use multi-function oils in Kubota Excavator hydraulic systems.
| Outside Temperature | Below 32° F (0° C) | Above 32° F (0° C) |
|---|---|---|
| SAE/Viscosity | 10W-30 | 10W-30 or 15W-40 |
| Outside Temperature | Below 32° F (0° C) | Above 32° F (0° C) |
|---|---|---|
| SAE/Viscosity | 10W-30 | 10W-30 or 15W-40 |
| Outside Temperature | In Winter or Cold Temperatures | In Summer or High Ambient Temperatures |
|---|---|---|
| SAE/Viscosity | SO 32 or ISO 46 | ISO 68 |
Notes:
Transmission Fluid: KUBOTA Super Universal Dynamic Tractor Fluid (SUPER UDT) is the original and recommended transmission hydraulic fluid. The fluid used to lubricate the transmission is also used as the operating hydraulic fluid. To ensure proper operation of the hydraulic system and complete lubrication of the transmission, we recommend the use of KUBOTA UDT or SUPER UDT fluid for optimum protection and performance. (Consult your dealer for further details.)