Fluids and capacities for the Kubota KX121-3S
| Where | Capacity | What the manual calls for |
|---|---|---|
| Fuel | 64 L (16.9 US gal) | Light oil No. 2-D (ASTM D975)Light oil No. 1-D (ASTM D975) below -5 °C (23 °F) |
| Coolant | Approx. 7.4 L (1.96 US gal); reserve tank approx. 1.6 L (0.4 US gal) | Fresh water and anti-freeze fluid |
| Engine oil (with filter) | 8.5 L (2.25 US gal) | API CD, CE or CFWinter or low temperatures: SAE 10W or SAE 20WSummer or high temperatures: SAE 30, SAE 40 or SAE 50We carry: Kubota Premium Heavy Duty Synthetic Blend Engine Oil SAE 10W-30 |
| Hydraulic oil | 75 L (19.8 US gal) | ISO 46 viscosity grade (filled before delivery)ISO 32 or ISO 46 in winter or low temperatures, ISO 68 in summer or high temperatures |
| Drive unit | Approx. 0.5 L (0.13 US gal) | SAE 90 gear oil (API GL-5)We carry: Total Transtec 5 80W-90 Gear Oil |
| Grease | — | Shell Alvania EP2, Mobilux EP2 or Beacon Q2We carry: Kubota Premium Synthetic Grease |
| Grease points: boom bottom linkage (1), arm bottom linkage (1), bucket link pin (4), boom cylinder boss (2), arm cylinder boss (2), bucket cylinder boss (1), fixing pin between arm and bucket (1), boom swing fulcrum (2), swing cylinder boss (1), swing cylinder pin (1), dozer cylinder boss (2), dozer linkage pin (2); angle blade: angle pin (1), angle cylinder boss (2) | ||
Capacities are approximate. Always fill to the level mark.
From the Kubota operator's manual for the KX121-3S, RD138-81213, pages 2, 44, 55, 58, 61 and 74.