Industry Standard Comparison SAE 100R4 vs Cat Hydraulic Suction Hose (844) WORKING PRESSURE* HOSE INNER INNER MAX. WORK. PRESS. MAX. WORK. PRESS. MAX. WORK. PRESS. DASH DIAMETER DIAMETER (psi) (BAR) (kPa) SIZE (in) (mm) 100R4 844 100R4 844 100R4 844 -3 0.188 4.8 -4 0.250 6.4 IMPULSE TESTING NUMBER TEST TEST OF PRESSURE TEMPERATURE CYCLES 100R4 All Sizes NO IMPULSE TESTING PERFORMED 844 All Sizes NO IMPULSE TESTING PERFORMED -5 0.313 7.9 -6 0.375 9.5 -8 0.500 12.7 -10 0.625 15.9 -12 0.750 19.1 300 300 21 21 2100 2100 -16 1.000 25.4 250 250 17 17 1700 1700 TEMPERATURE CAPABILITIES 100R4: -40°F to +212°F (-40°C to +100°C) 844:
-40°F to +275°F (-40°C to +135°C) -20 1.250 31.8 200 200 14 14 1400 1400 -24 1.500 38.1 150 150 10 10 1000 1000 -32 2.000 50.8 100 100 7 7 700 700 * Minimum burst pressure will always be 4X the maximum working pressure for both Caterpillar and SAE standard hose. SAE 100R5 vs Cat One-Wire Braid Hose - Fabric Covered (556) WORKING PRESSURE* IMPULSE TESTING HOSE INNER INNER MAX. WORK. PRESS. MAX. WORK. PRESS. MAX. WORK. PRESS. DASH DIAMETER DIAMETER (psi) (BAR) (kPa) SIZE (in) (mm) 100R5 556 100R5 556 100R5 556 -4 0.188 4.8 3000 3000 207 207 20,700 20,700 -5 0.250 6.4 3000 3000 207 207 20,700 20,700 NUMBER TEST TEST OF PRESSURE TEMPERATURE CYCLES 100R5 -4 to -16 125% of W.P.
N +212°F (+100°C) 150,000 -20 to -32 100% of W.P. +212°F (+100°C) 100,000 556 -4 to -16 125% of W.P. +250°F (+120°C) 150,000# -20 to -32 100% of W.P. +250°F (+120°C) 100,000# -6 0.313 7.9 2250 2250 155 155 15,500 15,500 -8 0.406 10.3 2000 2000 138 138 13,800 13,800 -10 0.500 12.7 1750 1750 121 121 12,100 12,100 -12 0.625 15.9 1500 1500 103 103 10,300 10,300 TEMPERATURE CAPABILITIES -16 0.875 22.2 800 800 55 55 5500 5500 -20 1.125 28.6 625 625 43 43 4300 4300 -24 1.375 34.9 500 500 34 34 3400 3400 100R5: -40°F to +212°F (-40°C to +100°C) 556:
-40°F to +250°F (-40°C to +121°C) -32 1.813 46.0 350 24 2400 * Minimum burst pressure will always be 4X the maximum working pressure for both Caterpillar and SAE standard hose. # For this test, 556 hose is aged at +275°F (+135°C) for 200 hours and -25°F (-32°C) for 18 hours prior to impulse testing. In addition, in the middle and at the end of each impulse test, no leaks are allowed after the oil cools to room temperature and the test machine is restarted. SAE does not require aged samples or room temperature leak checks. N W.P. = Working Pressure 8