Bobcat S250 Specifications & Workshop Service Guide
The Bobcat S250 is a skid steer loader produced during 2002-2010, powered by a 75-horsepower Kubota V3300-DI-T Turbo diesel engine. It features an operating weight of 7,725 lbs (3,504 kg), a rated operating capacity of 2,500 lbs (1,134 kg, SAE J818), and an auxiliary hydraulic flow of 20.7 GPM at 3300 PSI (39.8 HHP).
Engine & Powertrain
- Engine Model
- Kubota V3300-DI-T Turbo
- Gross Output
- 75 HP
- Crankcase Oil
- 12.0 qts (15W-40 CK-4)
- Cooling System
- 15.0 qts (50/50 Ethylene Glycol)
Hydraulic Circuit & Flow
- Auxiliary Flow
- 20.7 GPM (Standard Flow)
- Relief Pressure
- 3300 PSI
- Hydraulic HP
- 39.8 HHP (GPM × PSI / 1714)
- Reservoir Capacity
- 14.5 US Gal (Bobcat Synthetic All-Season / ISO VG 46)
- Total System Vol
- 18.0 US Gal (Includes cylinders)
- Drive Chain Case
- 10.0 US Gal (SAE 10W-30 Motor Oil)
Wix / Donaldson OEM Filter Cross-Reference
Standard fluid and filter change requires exactly 14.5 US gallons to reach the center of the sight glass. Never overfill.
Hydraulic cylinders and lines hold approximately 3.5 US gallons. Total system capacity for dry rebuilds is 18.0 US gallons.
The chain case holds 10.0 US gallons of SAE 10W-30 Motor Oil. It is completely isolated from the hydraulic circuit.
Bobcat S250 Technical Service Overview
Field service operations on the Bobcat S250 require adherence to manufacturer hydraulic pressure relief tolerances (3300 PSI) and torque specifications. When performing standard 250-hour preventative maintenance, always verify hydraulic filter condition, check drive chain tension, and inspect high-pressure auxiliary couplers for mechanical wear or weeping seals.
Empirical Engineering & Statutory Verification Matrix
All tolerances and fluid formulas cross-checked against primary heavy machinery standards.
| Engineering Parameter | Authoritative Source | Authority Body | Factory Tolerance / Rule |
|---|---|---|---|
| Bobcat S250 Rated Operating Capacity | SAE J818 Technical Specification Standard ↗ | 2,500 lbs (1,134 kg) | |
| Factory Service Manual Publication | Bobcat S250 / S300 Service Manual Pub #6902725 (Kubota V3300 Turbo) | Verified Factory Documentation | |
| Hydraulic Reservoir Service Capacity | Bobcat S250 Lubrication Specification Table | 14.5 US Gallons (Bobcat Synthetic All-Season / ISO VG 46) | |
| Kubota V3300-DI-T Turbo Engine Output | Engine Manufacturer Service & Workshop Data | 75 Gross HP (12.0 qts 15W-40 CK-4) |
Frequently Asked Technical Questions
Authoritative mechanical and operational answers verified against OEM shop manuals.
What is the rated operating capacity (ROC) of the Bobcat S250?
Under SAE J818 standards (50% of tipping load for wheeled loaders or 35% for tracked loaders), the Bobcat S250 has a Rated Operating Capacity of 2,500 lbs (1,134 kg). The static tipping load is 5,000 lbs (2,268 kg). Always operate within rated parameters to prevent rollover hazards.
What hydraulic fluid and reservoir capacity does the Bobcat S250 use?
The Bobcat S250 hydraulic reservoir requires 14.5 US gallons (54.9 Liters) of Bobcat Synthetic All-Season / ISO VG 46. The complete system capacity with cylinders and coolers holds 18.0 US gallons.
What engine powers the Bobcat S250 and what are the service intervals?
The Bobcat S250 is powered by a Kubota V3300-DI-T Turbo diesel producing 75 gross horsepower. The crankcase requires 12.0 quarts (11.4 Liters) of 15W-40 CK-4. Oil changes are recommended every 100 to 250 operating hours based on duty cycle.
Where is the serial number located on the Bobcat S250?
Engine compartment right upright panel.
What Wix filters fit the Bobcat S250?
Primary cross-references for the Bobcat S250 are: Engine Oil: Wix 51307 / Donaldson P550162; Hydraulic: Wix 51567 / Donaldson P550388; Fuel: Wix 33397 / Donaldson P550385; Outer Air: Wix 46449 / Donaldson P822768. Always verify thread pitch and seal diameter prior to spin-on installation.