Item location: Sauget, ILLINOIS Principal/Contact: Keeley Construction Manufacturer: Caterpillar Model H140DS Serial Number 0BXB00820 Key Specifications Operating Weight: Approximately 5,302 lb (2,410 kg) Impact Energy: Approximately 5,500 ft-lbf (7,457 J) Blows per Minute: 325–540 Hydraulic Flow Range: 42–61 gal/min (160–230 L/min) Operating Pressure Range: 1,885–2,320 psi (13,000–16,000 kPa) Tool Shaft Diameter: 5.5 in (140 mm) Recommended Carrier Weight: 52,900–92,600 lb (24–42 t Features Auto Shut Off (ASO): Prevents blank firing, reducing internal stress and extending hammer life. Silenced Housing: Standard feature for operation in noise-sensitive environments. Internal Buffering System: Reduces machine vibration and enhances operator comfort. Onboard Autolube System: Provides continuous greasing during operation, eliminating the need for manual greasing. Slip-Fit Lower Bushing: Allows for easy field replacement and 90-degree rotation to extend service life. Oil-Fired Operating Cycle: Delivers full power during every blow with less waste heat.