FF261 Fuel Filter

Product Highlights

• High-Efficiency Media: Premium cellulose media captures harmful solid particulates before reaching sensitive fuel pumps and injectors.
• Leak-Proof Construction: Integrated internal seal gasket ensures structural integrity under high system pressures and heavy operational vibration.
• Precise OEM Dimensions: Engineered with exact dimensional tolerances (Outer Diameter: 86.0 mm, Length: 144.8 mm) for seamless mounting.
• B2B Wholesale Supply: Direct factory production supporting OEM customization, private labeling, and global bulk logistics.

Detailed Product Overview

Microscopic particulates in fuel systems cause severe component wear, injector tip erosion, and unmetered fuel delivery in modern high-pressure diesel engines. A fuel filter is designed to remove abrasive solid contaminants and debris from diesel fuel before it enters precision injection systems. The FF261 spin-on fuel filter provides high-capacity fuel cleanliness required for industrial equipment operating under challenging environmental conditions.

How It Works

Fuel flows from the storage tank through the inlet ports of the filter housing, passing through the outer layer of the cellulose pleat pack. As fuel traverses the media toward the core, solid particulates, rust, and scale are trapped within the pleat matrix. Cleaned fuel is then discharged through the central thread to feed the fuel injection pump.

Engineering & Performance Standards

Manufactured with reinforced steel housing and heavy-duty end caps, the FF261 maintains continuous structural stability against pressure surges. Compared to standard original equipment manufacturer (OEM) units, this replacement filter meets equal fluid cleanliness specifications and pressure differential tolerances, providing a cost-effective solution for fleet operators and replacement parts distributors.

Product Advantages

• Injector Protection: Traps fine particulate debris to prevent premature wear on precision fuel injectors and high-pressure pumps.
• Consistent Flow Rates: Uniform media porosity minimizes pressure drop, ensuring steady fuel delivery across all engine load demands.
• Durable Internal Sealing: Features internal elastomer seal material resistant to chemical degradation from diesel fuel additives.
• Corrosion-Resistant Housing: Steel canister construction resists ambient moisture and environmental exposure on open job sites.

Technical Specifications

OE Cross-Reference Numbers

Compatible Equipment Applications

• ATLAS COPCO: QAS 100, QAS 80, Roc D7-11 (CAT), XAHS 236 CD, XAHS 237 CD, XAMS 286 CD, XAMS 287 CD, XAVS 237
• ATMOS: PDP 90
• BACKERS: 2 HTA, 2 TA
• BANDIT: 2900 T
• BAUMANN: GS 50, GS 60, GS 70, GS 70/65/16/54, TRGX 60/14/45, GX 80
• BERETTA: T 47, ST 57
• BOBARD: 1035, 1074, 1080, 1084, 1096 TI V2, 637827 TI
• BOBCAT: TL 470, TL 470TR, 40250, TR 40250, TR 45190, TR 50210
• CATERPILLAR: 120 M, 12 M, 12 M VHP AUTOSHIFT, 924 H, 924 HZ, 928 H, 928 HZ, 930 H, 930 HZ, 938 H, AP 555 E, AP 600 D, AP 655 D, BG 600 D, C 6.6, CS 54, CS 74 XT, CS 76 XT, CS 76 XTD, 3 K, D 4 K, D 5 K, D 6 K, DE 88 E3, GEP 200-4, GEP 88-6, M 313 D, M 315 D, M 315 D2, M 316 D, M 317 D2, M 318 D, M 322 D, TH 220 B, TH 330 B, TH 337, TH 407, TH 407 AQ, TH 409, TH 414, TH 514, TL 624 C
• CHALLENGER: MT 525 B TECHSTAR CVT, MT 575 B, SPRA COUPE 4460, SPRA COUPE 4660
• CLAAS: AVERO 160, AVERO 240, DOMINATOR 130, DOMINATOR 140, DOMINATOR 150, LEXION 540 C, LEXION 620, LEXION 640
• CMV: 900
• COMETRAC: J 1
• CUKUROVA: 880, 883, 885
• DIECI: HERCULES (120.10, 160.10, 210.10), PEGASUS (38.16, 40.25, 45.19, 50.21, 60.16)
• DOOSAN DAEWOO: DT 160, G 80
• EGT: MD 515, VD 1510
• ELIATIS: CHAPTRACK 230
• ENDERS: ROBUST 5000
• ENERIA: GEP 200, GEP 200.4
• EXTEC: C 10
• FINLAY: 694, 694 PLUS, 883, 964 +
• GENIE: GTH 5022
• GEOTEC: ROTOMAX XL
• GIRAF TRACK: GT 580 B
• GODWIN: HL 80
• GOMACO: GT 3400
• GREGOIRE: G 84, G 86
• HANTSCH: AHWI RT 200+, M 500
• HBM NOBAS: BG 110 TA 4, BG 130 TA 4
• HERKULES: TD 40305
• HOUSEHAM: 3500 AIR RIDE, 5000 AIR RIDE
• HYDREMA: 906 D, 908 D, 912 D/DS, 928 D
• ISEKI: TJW 110, TJW 125
• JANO: HVS 6151
• KAESER: M 200
• KAISER: S 2-4, S 3SX
• KALMAR: DCE 90-6 HM
• KERSHAW: SKY TRIM
• KLEEMANN REINER: MS 19
• KOMPTECH: MAGNUM II
• LANDINI: 120 POWERMONDIAL DUAL POWER
• LGMG: H 1440, H 1840
• LIFTER PRAMAC: GSW 115, GSW 210 P, GSW 95
• LINDNER: GEOTRAC (74, 84, 93 S, 94, 104, 114, 124), UNITRAC (102, 102 L)
• LLAMADA: P 105 TT

Primary Application Sectors

• • Heavy Construction & Earthmoving Equipment
• • Agriculture & Combine Harvesters
• • Industrial Power Generation & Gensets
• • Material Handling & Telehandlers
• • Mining & Mobile Screening Plants

Quality Control 

The FF261 fuel filter is manufactured under standard quality control processes:

• Pressure Burst Testing: Canister and spin-on threads are pressure-tested to handle system fluid peaks.
• Media Uniformity Inspection: Pleat spacing and media integrity are verified to ensure consistent filtration performance.
• ISO Quality Guidelines: Production processes comply with international manufacturing standards for fluid filtration.

Frequently Asked Questions

• Q: What happens if fuel filter efficiency is low? A: Low filtration efficiency allows abrasive particles to pass through into the fuel injection system. This leads to worn injector nozzles, loss of system pressure, rough engine idling, increased fuel consumption, and costly engine damage over time.
• Q: How often should the FF261 fuel filter be replaced? A: Replace the fuel filter according to your equipment manufacturer's preventive maintenance schedule-typically every 250 to 500 engine operating hours, or sooner if fuel flow becomes restricted.
• Q: What installation steps should be followed when fitting this spin-on filter? A: Clean the filter mounting header, lubricate the internal gasket with clean diesel fuel, spin the filter on until the gasket contacts the base plate, and hand-tighten an additional 3/4 to 1 full turn. Prime the fuel system and check for leaks before putting the machinery back into service.
• Q: How do I verify if the FF261 matches my original fuel filter? A: Verify the technical dimensions (Outer Diameter: 86.0 mm, Length: 144.8 mm) and match the cross-reference part numbers such as Fleetguard FF261 or Donaldson P502504 against your original element.