The Bobcat 873 skid steer loader is a powerful heavy-duty machine used in construction, agriculture, and industrial work. Its hydraulic system is the heart of its performance, and using the correct hydraulic oil is essential for smooth operation and long service life.
This guide explains the best hydraulic oil type, capacity, change interval, filter information, and maintenance cost for Bobcat 873 in a simple and practical way.
Bobcat 873 Hydraulic Oil Type
The recommended hydraulic oil for the Bobcat 873 depends on operating temperature and working conditions. Bobcat generally recommends high-quality hydraulic fluids or equivalent oils that meet ISO specifications.
- ISO VG 46 Hydraulic Oil – Best all-season performance
- SAE 10W-30 – Common alternative for mixed conditions
- SAE 15W-40 – Suitable for high-temperature heavy-duty use
- Bobcat Premium Hydraulic Fluid – OEM recommended option
Best Recommendation: ISO VG 46 premium hydraulic oil or Bobcat OEM hydraulic fluid provides the best protection, stability, and pump efficiency for Bobcat 873 systems.
Bobcat 873 Hydraulic Oil Capacity
The hydraulic system capacity of the Bobcat 873 varies depending on model configuration, but it typically holds a large volume to support heavy-duty lifting and hydraulic operation.
Bobcat 873 Hydraulic Oil Change Interval
Regular hydraulic oil changes are essential to prevent pump wear, valve failure, and contamination buildup in the system.
Bobcat 873 Hydraulic Oil Change Cost
DIY Cost
- Hydraulic oil: $120–$300
- Filter: $25–$60
- Total: $150–$360
Professional Service
- Labor + oil + filter
- Total: $300–$700+
Maintenance Tips for Bobcat 873 Hydraulic System
- Always use ISO VG 46 or OEM hydraulic fluid
- Replace hydraulic filters regularly
- Check fluid level before each work shift
- Avoid mixing different hydraulic oils
- Inspect hoses and seals for leaks
- Keep system clean to avoid contamination
- Warm up machine before heavy work
Frequently Asked Questions (FAQs)
What hydraulic oil does Bobcat 873 use?
It typically uses ISO VG 46 hydraulic oil or Bobcat OEM hydraulic/hydrostatic fluid for best performance.
How much hydraulic oil does Bobcat 873 hold?
The total system capacity is around 20–22 gallons depending on configuration.
Can I use 10W-30 instead of hydraulic oil?
Yes, in some conditions 10W-30 can be used, but ISO VG 46 hydraulic oil is strongly recommended.
How often should hydraulic oil be changed?
Every 800–1200 operating hours depending on working conditions.
Final Thoughts
The Bobcat 873 hydraulic system is built for heavy-duty performance, but it depends heavily on clean and correct hydraulic fluid. Using the right oil type, maintaining proper change intervals, and keeping filters clean ensures long-lasting performance and prevents costly repairs.
Quick Summary
- Hydraulic Oil: ISO VG 46
- Capacity: 20–22 Gallons
- Change Interval: 800–1200 Hours
- Best Option: OEM Hydraulic Fluid
- Filter: Replace every service