Fleetguard FS36261 Oil-Water Separator
The Fleetguard FS36261 Oil-Water Separator is a professional filtration component optimized for heavy-duty diesel fuel systems, designed to efficiently separate water and particulate contaminants from diesel fuel. It complies with strict OEM standards and international filtration norms, perfectly matching a variety of on-road and off-road equipment including commercial trucks, construction machinery and industrial generators, and provides reliable fuel purification protection for high-power diesel engines.
Adopting Fleetguard’s patented nano-scale composite filtration media and high-performance water-repellent technology, the FS36261 achieves precise oil-water separation and high-efficiency particle capture. Its reinforced structural design and high-quality sealing components effectively prevent fuel leakage and secondary contamination, ensuring clean fuel delivery to the injection system and maintaining stable engine operation under complex working conditions.
As an original genuine component, the FS36261 features a humanized structural design for easy installation and maintenance. The integrated water drain device enables quick and clean removal of accumulated water and impurities, minimizing equipment downtime and reducing long-term operational costs. Backed by Fleetguard’s professional after-sales service, it is a reliable filtration solution for diesel engine fuel system protection.
Advantages of FS36261 Oil-Water Separator
The FS36261 features ultra-high separation efficiency, adopting advanced coalescing separation technology to remove 99.9% of free water and emulsified water from diesel fuel, and capture micron-level particulate contaminants with high precision. It meets ISO 19438 filtration standards, effectively preventing water corrosion and abrasive wear of fuel injection system components, and improving engine combustion efficiency and fuel economy.
Built with heavy-duty high-quality materials and an integrated metal housing, the separator has excellent resistance to vibration, pressure and temperature changes. It can operate stably in the extreme working environment of -40℃ to 120℃, adapting to the harsh working conditions of construction machinery and mining equipment, with long service life and reduced replacement frequency.
The product has a compact and optimized structural design, which is fully compatible with the original equipment installation dimensions without additional modification. The quick-disconnect connection design and integrated water drain valve simplify daily maintenance operations, greatly shortening the maintenance time and reducing labor costs, thus maximizing the equipment uptime.
As a genuine Fleetguard product, the FS36261 is engineered to meet or exceed the filtration requirements of mainstream diesel engine OEMs such as Cummins, with perfect compatibility and reliable performance. It is supported by the brand’s global after-sales warranty and quality assurance system, providing customers with a cost-effective fuel system protection solution and effectively extending the service life of the whole engine.
Technical Specifications
| Part Number: | FS36261 |
| Filter Type: | Oil-Water Separator |
| Dimensions: | Outer Diameter≈115mm, Overall Height≈300mm |
| Connection Specs: | Thread Specification: M20×1.5 |
| Filtration Precision: | 5μm |
| Filtration Efficiency: | 99.9% (ISO 4548 Standard) |
| Applicable Models/Platforms: | Heavy-duty diesel vehicle/engineering machinery/mining equipment |
| Operating Conditions: | -40℃~120℃, Vibration resistance, High humidity resistance, Impact resistance |
| Lead Time: | 15 – 30 Working Days |
| Payment Terms: | T/T ,L/C |
| Dimensions | Connection Specs |
| Filtration Efficiency |
| FS36261 | Outer Diameter≈115mm, Overall Height≈300mm | Thread Specification: M20×1.5 | 5μm | 99.9% (ISO 4548 Standard) |
| FS36263 00MX | Outer Diameter≈95 mm, Overall Height≈210 mm | Thread Specification:M22×1.5 | 3 μm | ≥99% (ISO 4548 Standard) |
| FS36247 00MX | Outer Diameter≈108 mm, Overall Height≈ 200 mm | Thread Specification: 1″-14 UN | 4 μm | ≥98% (ISO 4548 Standard) |
| FS36259 00MX | Outer Diameter≈108.3 mm , Overall Height≈ 291 mm | Thread Specification:1″-14 UNF | 5 μm | ≥98% (ISO 4548 Standard) |
| FS36239 00MX | Outer Diameter≈93 mm, Overall Height≈192 mm | Thread Specification: 1″-14 UNF | 4 μm | ≥97% (ISO 4548 Standard) |
| FS36240 00MX | Outer Diameter≈116 mm, Overall Height≈178 mm | Thread Specification: M16 × 1.5 | 10μm | ≥98% (ISO 4548 Standard) |
| FS36233 00MX | Outer Diameter≈93 mm, Overall Height≈174 mm | Thread Specification: M16×1.5 | 10 μm | ≥98% (ISO 4548 Standard) |
| FS36235 00MX | Outer Diameter≈93 mm, Overall Height≈165 mm | Thread Specification: M16×1.5 | 10 μm | ≥98%(ISO 4548 Standard) |
| FS36235S 00MX | Outer Diameter≈93 mm, Overall Height≈165 mm | Thread Specification: M16×1.5 | 10 μm | ≥98%(ISO 4548 Standard) |
| FS36239 00MX | Outer Diameter≈93 mm, Overall Height≈174 mm | Thread Specification: M16×1.5 | 10 μm | ≥98% (ISO 4548 Standard) |
| FS36267B 00MX | Outer Diameter≈110mm, Overall Height≈230mm | Thread Specification: 1-14 UNF | 10μm | ≥97% (ISO 4548 Standard) |
| FS36210 00MX | Outer Diameter≈111mm, Overall Height≈256mm | Thread Specification: 1″-14 UNF | 10μm | ≥97% (ISO 4548 Standard) |
| FS36234 B-AA 00MX | Outer Diameter≈110mm, Overall Height≈245mm | Thread Specification:1″-14 UNF | 10μm | ≥97% (ISO 4548 Standard) |
| FS36234 00MX | Outer Diameter≈110mm, Overall Height≈240mm | Thread Specification:1″-14 UNF | 10μm | ≥97%(ISO 4548 Standard) |
| FS36267 00MX | Outer Diameter≈110mm, Overall Height≈235mm | Thread Specification: 1″-14 UNF | 10μm | ≥97%(ISO 4548 Standard) |
| FS36277 00MX | Outer Diameter≈112mm, Overall Height≈240mm | Thread Specification: 1″-14 UNF | 10μm | ≥97% (ISO 4548 Standard) |
| FS36204 00MX | Outer Diameter≈108mm, Overall Height≈228mm | Thread Specification: 1″-14 UNF | 10μm | ≥97% (ISO 4548 Standard) |
| FS36229 00MX | Outer Diameter≈82.7mm, Overall Height≈176mm | Thread Specification: 3/4-16 UNF-2B Thread | 5μm | ≥99% (ISO 4548 Standard) |
| FS36248 | Outer Diameter≈95mm, Overall Height≈210mm | Thread Specification: 1-14 UNF-2B Thread | 5μm | ≥99% (ISO 4548 Standard) |
| FS36249 | Outer Diameter≈110mm, Overall Height≈285mm | Thread Specification: M18×1.5 | 5μm | 99.9% (ISO 4548 Standard) |
| FS36209 00MX | Outer Diameter≈93 mm, Overall Height≈200 mm | Thread Specification: M20×1.5 | 4 μm | ≥98% (ISO 4548 Standard) |
| FS36215 | Outer Diameter≈120mm, Overall Height≈320mm | Thread Specification: M18×1.5 | 5μm | 99.9% (ISO 4548 Standard) |
| FS36279 | Outer Diameter≈118mm, Overall Height≈295mm | Thread Specification:M18×1.5 | 5μm | 99.9% (ISO 4548 Standard) |
| ——END—— | ||||
General Infomation of DCEC C220-10A Automotive Engine | |||
| Engine Model | C220-10A | Advertised Power | 220 HP @ 2400 RPM |
| Peak Torque | 780 N.m @ 1500 RPM | Curve&Datasheet | FR 91484 |
| Fuel System | Bosch P7100 Pump | No. Of Cylinders | 6 |
| Aspiration | Turbocharged & Air Intercooler | Displacement | 8.3 L |
| Bore * Stroke | 114 mm * 135 mm | CPL Code Revision | 8418 |
| Dry Weight | 617 kg | Wet Weight | 636 kg |
| Compression Ratio | 17.3 : 1 | ||
Installation Data of DCEC C220-10A Automotive Engine | |||
| Center of Gravity. Distance From Front Face of Block | 427 mm | ||
| Center of Gravity. Distance Above Crank Centerline(Above Crankshaft) | 163 mm | ||
| Maximum Bending Moment At Rear Face of Block | 1356 N.m | ||
| Maximum Crankshaft Thrust Bearing load limit- Intermittent load | 3558 N | ||
| Maximum Crankshaft Thrust Bearing load limit-Continuous load | 2670 N | ||
| Instantaneous Inertia At Rotating: (Without Flywheel) | N/A | ||
| Emissions Certification | GB17691/GB14761 | ||
| Idle Speed | 800 RPM | ||
| Maximum Non-Load Speed | 2720 RPM | ||
| Over Speed Performance (Within 15 Seconds) | 3500 RPM | ||
| The Clutch Torque @ 800Rpm | 495 N.m | ||
| Maximum Altitude At Which Continuous operation Is Allowed | 3000 m | ||
| Supercharger outlet Exhaust Pressure limit Value | 450 kPa | ||
| Maximum Power of Exhaust Brake | 114 kW | ||
| ——END—— | |||
Engine Performance Data Rated power of DCEC C220-10A Automotive Drive Engine | |||||
| Rated Power | Torque Peak | Rated Power | Torque Peak | ||
| Engine Speed | 2400 RPM | 1500 RPM | Exhaust Temperature | 625 ℃ | 602 ℃ |
| Oil Pressure | 345 kPa | 282 kPa | Fuel Consumption | 43 L/hr | 26.9 L/hr |
| The Air Flow | 18.9 m³/min | 9.1 m³/min | Coolant Flow | N/A | N/A |
| The Flow Rate of Pressurized Air | N/A | N/A | Heat Loss Coolant | 77 kW | 60 kW |
| Pressurized Air Pressure | N/A | N/A | Heat Loss Air | 46 kW | 14 kW |
| The Exhaust Flow | 45 m³/min | 21.3 m³/min | Mechanical Loss of Power | N/A | N/A |

System Technical Data of DCEC C220-10A Automotive Drive Engine | ||
| Air Intake System | Maximum Temperature Rise Between Ambient Air and Engine Air Inlet | 15 ℃ |
| Maximum Intake Restriction with Dry Type Air Cleaner,with Clean Filter-Medium Duty | 2.9 (300) kPa (mmH2O) | |
| Maximum Intake Restriction with Dry Type Air Cleaner,with Clean Filter-Heavy Duty | 3.7 (380) kPa (mmH2O) | |
| Maximum Intake Restriction with Dirty Filter | 6.2 (635) kPa (mmH2O) | |
| Turbocharged & Intercooled | Maximum Intake Manifold Temperature-Second Level | 55 ℃ |
| Maximum Intake Manifold Temperature-Three-Level | 50 ℃ | |
| Intercooler Cooling Temperature-Second Level | 25 ℃ | |
| Intercooler Cooling Temperature-Three-Level | 20 ℃ | |
| Maximum Allowable Pressure Difference Before and After Intercooling-Three-Level | 16.7 (125) kPa(mmHg) | |
| Minimum Inlet Pipe Diameter Allowed-Three-Level | 75 mm | |
| Exhaust System | Maximum Back Pressure Imposed by Complete Exhaust System | 10.0 (75) kPa (mmHg) |
| Exhaust Pipe Size Normally Accepable | 75 mm | |
| Maximum Static Bend Allowed for Turbocharger Exhaust Flange | N/A | |
| Lubrication System | Low oil Level Inclination Angle-Front Up | 45 ° |
| Low oil Level Inclination Angle-Back Up | 45 ° | |
| Low oil Level Inclination Angle-Fuel Pump Side Up | 45 ° | |
| Low oil Level Inclination Angle-Exhaust Side Up | 45 ° | |
| Oil Sump Capacity-Upper Limit | 14.2 L | |
| Oil Sump Capacity-Lower Limit | 12.4 L | |
| Capacity of The Whole System | 16.4 L | |
| Cooling System | Coolant Capacity – Engine only | 9 L |
| Standard Thermostat (Modulating) Range | 83 – 95 ℃ | |
| Minimum Fill Rate ( Without Low Level Alarm) | 19 L/min | |
| Minimum Coolant Expansion Space – % of System Capacity | 6 % | |
| Water Tank Capacity Without Water Expansion | 6 L | |
| Maximum Coolant Pressure (Without Pressure Cap, Thermostat Closed) | 276 kPa | |
| Maximum Degassing Time | 25 mins | |
| Maximum Coolant Flow to Accessories | 41 L/min | |
| Maximum Coolant Temperature Engine out | 100 ℃ | |
| Minimum Allows Pressure of Pressure Cap | 50 kPa | |
| Minimum Recommended Coolant Temperature | 70 ℃ | |
| Common Operating Temperature Range of Fans with Fan Clutch | 93 ℃ | |
| Maximum Coolent Temperature For Engine Protection Control | 100 ℃ | |
| The Limit Environmental Temperature at Rated Speed | Second Level 45 ℃;Three-Level 42 ℃ | |
| The Limit Environmental Temperature at Peak Torque | Second Level 40 ℃;Three-Level 37 ℃ | |
| 24V Electrical System | Maximum Allowable Resistance of Cranking Circuit | 0.002 Ω |
| The Cold Start Current When Engine and The Clutch Separate | 12 V 500 24 V 250 | |
| Cold Starting System | Maximum Unaided Cold Start Temperature | 120 RPM -10 ℃ |
| Maximum Aided Cold Start Temperature | 110 RPM -35 ℃ | |
| Fuel System | Maximum Fuel Return Resistance | 520 (mmHg) |
| Maximum Inlet Resistance of oil Pump with Clean Filter | 150 (mmHg) | |
| ——END—— | ||
Note: All Above Data are Just for Reference, All Data Might Change Without Notices or Updates, Please Contact Our Sales Team to Confirm All Details Via WhatsApp or Email.

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Installation Manual

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