Bobcat S650 Maintenance Schedule

Bobcat S650 maintenance — the short answer

Oil: API CI-4 or better; Bobcat engine oil (viscosity not fully captured in extracted OEM text) · 11.4 L (12.0 qt) with filter change · every 500 hrs
Engine: Tier 4 diesel
Tracked by: engine hours, not miles

Bobcat S650 maintenance schedule by engine hours

Interval	Service	Details
Every 10 hours	Lubrication Points	Lubricate with multipurpose lithium based grease. Source: Bobcat OEM service schedule (SS SSL S650 S3B-B2LA-EN.pdf).
Every 100 hours	Battery Inspection	Check cables and connections. Source: Bobcat OEM service schedule (SS SSL S650 S3B-B2LA-EN.pdf).
Every 250 hours	Drive Belt	Check for wear or damage. Adjust or replace as needed. Break-in service at first 50 hours; the recurring interval is every 250 hours or 12 months, whichever comes first. Source: Bobcat OEM service schedule (SS SSL S650 S3B-B2LA-EN.pdf).
Every 500 hours	Engine Oil & Filter	Replace oil and filter. Break-in service at first 50 hours; the recurring interval is every 500 hours or 12 months, whichever comes first. Source: Bobcat OEM service schedule (SS SSL S650 S3B-B2LA-EN.pdf).
Every 500 hours	Fuel Filter	Replace filter element. Every 500 hours or 12 months, whichever comes first. Source: Bobcat OEM service schedule (SS SSL S650 S3B-B2LA-EN.pdf).
Every 500 hours	Hydraulic Filter	Replace the charge filter and the reservoir breather cap. Every 500 hours or 12 months, whichever comes first. Source: Bobcat OEM service schedule (SS SSL S650 S3B-B2LA-EN.pdf).
Every 1,500 hours	Coolant Flush	Replace the coolant. Every 1500 hours or 24 months, whichever comes first. Source: Bobcat OEM service schedule (SS SSL S650 S3B-B2LA-EN.pdf).

Bobcat S650 specifications

Type: Skid Steer
Engine: Tier 4 diesel
Displacement: 74 HP
Oil type: API CI-4 or better; Bobcat engine oil (viscosity not fully captured in extracted OEM text)
Oil capacity: 11.4 L (12.0 qt) with filter change

Frequently asked questions

How often should I change the oil in a Bobcat S650?

Change the oil in the Bobcat S650 every 500 hours of run time. Because it is measured in engine hours, log the hour-meter reading rather than a date.

What is the maintenance schedule for a Bobcat S650?

The Bobcat S650 is serviced on engine hours, not miles. Key intervals include Lubrication Points (every 10 hours), Battery Inspection (every 100 hours), Drive Belt (every 250 hours). Track the hour meter and service each item when its interval comes due.

Does the Bobcat S650 track maintenance by hours or miles?

By hours. Small engines and heavy equipment log run time on an hour meter, so their service intervals are hours-based. ServiceSage Auto tracks the Bobcat S650 by hours and reminds you when each service is due.