DURAMAX HMK04 Series

High flow capacity spin-on filters for heavy-duty as well as medium-duty use - with the widest choice of replacement filters available!

Static Pressure: 1000 psi / 6900 kPa / 69 bar
Working Pressure: 500 psi / 3450 kPa / 34.5 bar
Flow Range: 0-35 gpm / 0-132.5 l/min

Filter Fatigue Strength Ratings:

• At 100,000 cycles 0-500 psi/0-3450 kPa
• At 300,000 cycles 0-400 psi /0-2758 kPa
• At 1,000,000 cycles 0-350 psi/0-2415 kPa

Port Sizes:

¾" and 1" NPT ¾" and 1" SAE O-Ring

Operating Temperature Range:

Synthetic Media: -20°F to 250°F / -29°C to 121°C
Cellulose Media: -20°F to 225°F / -29°C to 107°C

Assembly weight (approximate):

Short Assembly: 3.5 lbs / 1.6 kg
Long Assembly: 4.2 lbs / 1.9 kg

Replacement Filters

Lengths: 6" / 152mm and 9.4" / 240mm

Filter media uses Synteq® Technology, Donaldson's exclusive synthetic media formulation specifically
designed for liquid filtration. Natural fiber cellulose, in standard or heavy duty, is also available.