Kubota Fluid Capacity Chart

Complete fluid specifications for BX, L, and B series tractors. Engine oil, hydraulic fluid, coolant capacities with part numbers and recommendations.

Finding accurate Kubota fluid capacity information is essential for proper maintenance. Our comprehensive chart shows exact capacities for engine oil, hydraulic fluid, coolant, and front axle fluid for every BX, L, and B series tractor. Search your model to see Kubota fluid specifications including part numbers, refill amounts, and fluid type recommendations. Avoid costly mistakes with our detailed Kubota tractor fluid capacity guide that includes transmission differences (HST vs Gear) and common service errors.

💡 Tip: Search by model or use series filters to find your tractor

Kubota Fluid Capacity Quick Reference

🛢️ Engine Oil Types

15W-40 (Rotella T4): Best all-season choice for most climates

Kubota 15W-40: OEM oil for maximum protection

Mobil 1 5W-40 Synthetic: Extreme cold climates

✓ Synthetic OK if meets API CF spec

💧 Hydraulic Fluid

Kubota Super UDT2: Premium universal trans-hydraulic (recommended)

Traveller UTF: Budget-friendly UDT-compatible option

⚠️ Generic UTF only if explicitly meets Kubota UDT spec

⚠️ Common Mistakes

Overfilling when loader/3-pt not lowered
Using “total capacity” vs “refill amount”
Cheap UTF in HST = whining noise
80W-90 in transmission (front axle only!)

🛒 Shop Kubota Fluids & Filters

Get the exact fluids and filters for your tractor with fast Amazon Prime shipping

🛢️ Engine Oil

→ Kubota 15W-40 (1 gal)
OEM premium protection
→ Rotella T4 15W-40
Best value all-season
→ Mobil 1 Synthetic 5W-40
Cold weather performance

💡 Pro Tip: Buy fluids and filters together to save on shipping. Check your tractor’s service schedule in our maintenance guide.

Related Resources

Tractor Specifications

Complete specs for all models

Attachment Compatibility

Which implements fit your tractor

Generation Comparison

Old vs new model guide

Maintenance Guide

Complete service schedules

Affiliate Disclosure: This page contains affiliate links to Amazon and other retailers. When you purchase fluids and filters through these links, we may earn a small commission at no additional cost to you. We only recommend products that meet Kubota specifications.

🔍 Check Your Tractor’s Serial Number

Not sure which generation you have? Want to verify your tractor isn’t affected by the 2014-2018 BX coolant cap recall? Use our free serial number lookup tool to identify your generation, locate your serial plate, and check for safety recalls. → Covers BX, L, and B series tractors with official CPSC recall data

🔥 Tractor Overheating?

Temperature gauge creeping up? Learn the 7 most common causes and fix overheating in 30 minutes with our complete overheating troubleshooting guide. Covers clogged screens, low coolant, bad thermostats & more.

⛽ Fuel Pump Problems?

Hard starting, stalling after 30-60 minutes, or power loss? Check our complete fuel pump troubleshooting guide. Covers symptoms, pressure tests, mechanical vs electric pumps & replacement costs.

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