Case CX290 Hydraulic Excavator

Description:

The Case CX290 Hydraulic Excavator is a durable, high-performing machine designed for tough excavation jobs. With a balance of power, precision, and efficiency, the CX290 is ideal for contractors seeking dependable digging performance and straightforward maintenance.

Engine & Performance:

• Engine: Isuzu AH-6HK1X, Tier II-compliant, turbocharged diesel

• Net Power: 188 hp (140 kW)

• Displacement: 7.8 L (476 cu in)

• Max Torque: 578 lb-ft @ 1,500 rpm

Hydraulics:

• Hydraulic Flow (Main): 2 x 60.2 gal/min (2 x 228 L/min)

• Relief Pressure: 4,980 psi (343 bar)

• Type: Variable displacement axial piston pumps

• Boom/Arm/Bucket Control: Proportional for precision digging

Transmission & Travel:

• Travel Speed: 2.2 mph (low), 3.4 mph (high)

• Swing Speed: 11.9 rpm

Key Dimensions & Specs:

• Operating Weight: 63,800 lbs (28,940 kg)

• Max Digging Depth: 22 ft 8 in (6.9 m)

• Max Reach at Ground Level: 33 ft 1 in (10.1 m)

• Bucket Digging Force: 41,300 lbf (184 kN)

Maintenance Highlights:

• Common Service Points: Engine oil, fuel filters, hydraulic fluid, swing bearing

• Frequently Replaced Parts: Hydraulic cylinder seals, travel motor seals, swing bearings

• Case CX290 hydraulic cylinder kits

• CX290 final drive motors

• Swing motor assemblies for CX series

Common Issues & Quick Fixes:

• Hydraulic leaks: Usually from boom or arm cylinders – replace seals or full kits

• Travel motor failure: Check for internal wear, replace with new units

• Swing motor sluggishness: Often from clogged filters or hydraulic contamination

Pro Tips:

• Keep hydraulic filters clean to prevent major component failure

• Always grease the boom and arm pivot points to avoid bushing damage

• Use OEM or heavy-duty Case CX290 bushings and pins for best durability

Serial Number Info:

• Located on the frame near the right-front track or behind the cab door

• Early models start with DAC290C000101 — verify before ordering parts