Sullair 375H - Specifications - 375 H and 425 Caterpillar

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375 Caterpillar Standard and Aftercooled/Filtered Operator’s Manual and Parts List
SECTION 3
ENGINE: 300HH 375
Type Diesel Diesel
Make Caterpillar Caterpillar
Model C4.4 C4.4
Displacement 268 cu/in (4.4L) 268 cu/in (4.4L)
Cylinders 4 4
Bore x Stroke 4.13 x 5.00
(105 mm x 127 mm)
4.13 x 5.00
(105 mm x 127 mm)
Rated Speed 2200 rpm 2200 rpm
Rated Power 129HP/96kW 107HP/79.5kW
Type of Motor Oil See Engine Operator Manual See Engine Operator Manual
Fuel Tank Capacity 56 gallons
(212 liters)
56 gallons
(212 liters)
Radiator Capacity 4 gallons (15 liters) 4 gallons (15 liters)
Engine Water Temperature Shutdown 225°F (107°C) Shutdown 225°F (107°C)
Minimum Idle Speed 1600 rpm (II) 1600 rpm (II)
Alternator Rating 65 amp 65 amp
(II) DO NOT allow engine idle rpm to drop below minimum idle speed. Compressor and/
or coupling damage will occur. The compressor is equipped with a Low Speed Shutdown
System that will shutdown the compressor if engine speed falls below 1500 rpm.
SPECIFICATIONS – 375H AND 425 CATERPILLAR3.2
DIMENSIONS
Model Series Length (I) Width Height Weight (wet)
in mm in mm in mm lb kg
375H and 425
2-Wheel
156.2 3967.5 77.2 1960.9 74.0 1879.6 4420* 2004.9*
375H and 425
Less Running Gear
98.8 2509.5 59.3 1506.2 63.6 1615.4 4175* 1893.8*
(l) Length over drawbar for 2 – wheel version
*Add 115 lbs (52 kg) for Aftercooled Version
COMPRESSOR 375H 425
Type Rotary Screw Rotary Screw
Maximum Operating Pressure 150 psig (10 bar) 125 psig (8.6 bar)
Delivery 375 Free CFM
(177 L/S)
425 Free CFM
(201 L/S)
Rated Pressure 150 psig (10.3 bar) 100 psig (6.9 bar)
Cooling Pressurized Compressor Fluid Pressurized Compressor Fluid
Lubricating Compressor Fluid See Table 1 See Table 1
Sump Capacity 7 US gallons
(26.5 liters)
7 US gallons
(26.5 liters)
Track Width 67.5"
(1714.5 mm)
67.5"
(1714.5 mm)
Tire Size (Load Range) H78 x 15ST (D) H78 x 15ST (D)
Tire Pressure 65 psig (4.4 bar) 65 psig (4.4 bar)
Wheel Size 15 x 6JJ 15 x 6JJ
Lug Nut Torque 60 ft-lbs (81 Nm) 60 ft-lbs (81 Nm)
Operating Tilt (maximum) 15° 15°