Case CX240 Hydraulic Excavator

Description:

The Case CX240 Hydraulic Excavator is a robust, full-size digging machine built for heavy-duty excavation, site preparation, and material handling. Known for its powerful hydraulics, smooth control system, and strong breakout force, the CX240 provides reliability on tough job sites. With simplified maintenance and durable components, this model remains a favorite for contractors and fleet operators alike.

Engine & Performance:

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

• Net Power: 177 hp (132 kW)

• Displacement: 7.8 L (476 cu in)

• Fuel Capacity: 108.8 gal (412 L)

Hydraulics:

• Main Hydraulic Flow: 2 x 55.5 GPM (2 x 210 L/min)

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

• Hydraulic System: Open center with 3 work modes (H, A, L)

• Controls: Pilot-operated joystick system for precise movement

Travel & Swing:

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

• Swing Speed: 12 rpm

Key Dimensions & Specs:

• Operating Weight: 53,353 lbs (24,200 kg)

• Max Digging Depth: 22 ft 4 in (6.81 m)

• Max Reach at Ground Level: 32 ft 10 in (10.01 m)

• Bucket Digging Force: 38,463 lbf (171 kN)

Maintenance Highlights:

• Service Points: Ground-level access to oil filter, fuel filter, and hydraulic sight gauges

• Common Replacement Parts: Hydraulic seal kits, travel motors, swing motors, pins and bushings

• Hydraulic cylinder kits for CX240

• Final drive motors for CX240

• Boom and arm bushings for Case excavators

Common Issues & Quick Fixes:

• Hydraulic leaks near boom base: Caused by worn seals — replace with new kits

• Weak swing force: Check swing motor or control valve pressure

• Travel motor stalling: Inspect planetary gears and replace seals or complete unit if needed

Pro Tips:

• Run machine in “Auto Mode” when cycling between functions to reduce fuel use

• Use OEM-grade grease on all bushings to extend wear life

• Flush hydraulic oil every 2,000 hours or sooner in dusty conditions

Serial Number Info:

• Serial number plate located on the frame behind the cab or near the front-left track

• Serial prefixes for CX240 typically start with DAC240 — always verify before ordering