2022 Komatsu PC55MR-5

The PC55MR-5 is a compact crawler excavator manufactured by Komatsu, designed to deliver a balance of power, precision, and efficiency for a wide range of construction, landscaping, and utility tasks. It combines advanced engine technology with user-friendly features to ensure reliable performance in diverse working environments. Core Specifications 1. Operating Weight Minimum: 11,354 lbs (5,150.1 kg) Maximum: 11,618 lbs (5,269.8 kg) 2. Engine Performance Horsepower: 38 HP @ 2,400 rpm Engine Model: Komatsu 4D88E-7 water-cooled, 4-cycle direct injection diesel engine Emission Standards: Compliant with U.S. EPA Tier 4 Final regulations, integrating environment-friendly technologies including an exhaust gas aftertreatment system, electronically-controlled cooled Exhaust Gas Recirculation (EGR) system, and an optimum common rail fuel injection system. Alternator: 12 V/55 A Battery: 1 x 12 V/72 Ah Starting Motor: 12 V/2.3 kW 3. Bucket Configuration Bucket Capacity Range: 0.07 - 0.24 yd³ (0.05 - 0.18 m³) Optional Bucket Sizes: 300 - 800 mm width range available to suit different working requirements Working Performance 1. Mobility Travel Speed: Two-speed automatic travel control, with speeds of 2.8 km/h (1.7 mph) in low gear and 4.6 km/h (2.9 mph) in high gear Climbing Capacity: 58% (30°) Maximum Traction: 42.8 kN Undercarriage: Equipped with 16" rubber shoes, ensuring stable movement on various terrains 2. Working Range Maximum Digging Radius: 6,220 mm (20.4 ft) Maximum Digging Radius at Ground Level: 6,070 mm (19.9 ft) Maximum Digging Depth: 3,800 mm (12.5 ft) Rear Swing Radius: 1,060 mm (3.5 ft), enabling operation in confined spaces 3. Hydraulic System Main Pump Type: Variable piston pump Main Pump Maximum Flow: 140.8 l/min Auxiliary Hydraulics: Equipped with selector valve, supporting a variety of attachments. It also features dedicated piping for power tilt operation and a single-effect hydraulic quick coupler line, enhancing operational versatility. Operator Environment & Safety Features 1. Operator Comfort Cab: Spacious and newly designed operator's compartment with a 3.5" color display monitor that shows various maintenance information. Control Console: Adjustable control console that moves forward and backward for easy entry and exit, with a tiltable steering wheel to suit operator preferences. Convenience Features: 12 V power supply, foot-operated auxiliary control and swing boom control, and rearview mirrors on both sides and at the rear for excellent visibility. Noise Reduction: Low noise level achieved through a hydraulically driven fan and redesigned cooling system, with operator's ear dynamic noise level compliant with ISO6396 standards. 2. Safety Systems ROPS & OPG Compliance: Two-post canopy compliant with ROPS (ISO 3471) and OPG top guard (ISO 10262) standards. Locking Mechanisms: Lock lever and lock lever auto-lock function to prevent accidental operation. Engine Shutdown: Secondary engine shutdown switch for emergency situations. Seat Belt Caution: Seat belt caution indicator to remind operators to use safety belts. Boom Protection: Strengthened boom cylinder guard and protection for the boom safety valve to reduce damage risks. Maintenance & Monitoring 1. Easy Maintenance Access Engine Bonnets: Wide-opening engine bonnets provide quick access to daily inspection points. Tank Placement: Fuel and hydraulic oil tanks are located under the side bonnet, in a safe and easy-to-reach position. Cab Tilt: The cab can be easily tilted back for major maintenance tasks. Cooling System: Side-by-side cooling package with a suction-type cooling fan and fan guard structure for efficient heat dissipation and protection. 2. Monitoring Systems KOMTRAX: Komatsu's state-of-the-art wireless monitoring system, standard on all Komatsu construction products. It continuously tracks machine location, monitors fuel consumption, utilization rates, and records machine health data, helping to maximize fleet efficiency and reduce operating costs. Komatsu Oil and Wear Analysis (KOWA): Detects fuel dilution, coolant leaks, and measures wear metals, allowing for proactive maintenance to identify potential issues before they lead to major repairs, thus extending component life and lowering lifecycle costs. Additional Features Lighting System: Working light on the boom, two front working lights on the cab, and a rear working light on the cab, along with an optional rotating beacon, ensuring visibility in low-light conditions. Automatic Deceleration: Reduces engine speed during idle periods to save fuel and reduce noise. Eco-Friendly Design: Aligns with Komatsu's commitment to halving CO2 emissions from 2010 levels by 2030, with the clean engine technology minimizing environmental impact while improving fuel economy.