Introducing the new Komatsu short tail swing excavator, engineered to excel in underground utility and general construction in urban environments. This compact design is perfectly suited for confined spaces, offering high attachment flow with in-cab programmable flow rates for a wide range of attachments.
- Compact design for confined areas
- Accepts a wide range of attachments
- Easy to transport
- Up to 13% less fuel consumption compared to the prior model
Product Features and benefits:
Maneuverability Redefined with Compact Design and Swing Boom: Navigate tight spaces effortlessly with a compact short tail swing that provides superior maneuverability in confined areas, allowing you to work next to structures or in a single traffic lane. The swing boom design further facilitates digging parallel to buildings or barriers.
Enhanced Performance with Fast Cycles and Custom Modes: Experience faster boom up/swing speed and responsive quick arm speed, making excavation and leveling tasks easier and more efficient than previous models. The availability of six working modes empowers you to tailor the machine’s performance to specific tasks, ensuring optimal results and fuel savings.
Standard High Flow Auxiliary Hydraulics for Versatility: Benefit from standard high flow auxiliary hydraulics with proportional joysticks, providing exceptional job versatility and precise control over attachments. The inclusion of a standard grading blade with a new moldboard profile enhances backfilling and light grading efficiency compared to earlier models.
Operator-Centric Comfort for Maximum Productivity: Enjoy maximum operator comfort within a quiet, climate-controlled cab featuring an air suspension seat, Bluetooth radio, and a high-resolution monitor with a rearview camera. LED lights ensure excellent visibility at night, and a sliding cab door facilitates easy entry and exit in confined spaces.
Fuel Efficiency and Low-Cost Power: Experience fuel efficiency and cost-effectiveness with the new high-efficiency power package and viscous fan clutch, contributing to an overall fuel consumption reduction of up to 13%*. The smart catalytic system eliminates soot without a diesel particulate filter, ensuring a lower cost of ownership and reduced maintenance.
Effortless Maintenance for Optimal Uptime: Ensure easy and quick periodic maintenance with large service access doors and grouped service points designed for ground-level access, minimizing downtime and maximizing productivity.
Product Specifications for PC88MR-11:
Engine:
- Model: Komatsu SAA3D95E-1*
- Type: Water-cooled, 4-cycle, direct injection
- Aspiration: Turbocharged, aftercooled, cooled EGR
- Number of Cylinders: 3
- Bore: 3.74 in
- Stroke: 4.52 in
- Piston Displacement: 149.5 in³
- Horsepower @ 1,900 rpm:
- SAE J1995 / Gross: 68.0 HP
- ISO 9249 / SAE J1349 / Net: 67.9 HP
- Rated rpm: 1,850
- Fan Drive Method for Radiator Cooling: Mechanical with viscous fan clutch
- Governor: All-speed control, electronic
- *EPA Tier 4 Final emissions certified
Hydraulics:
- HydrauMind (Hydraulic Mechanical Intelligence New Design) system, closed-center system with load-sensing valves and pressure-compensated valves
- Number of Selectable Working Modes: 6
- Main Pumps:
- Type: Variable displacement, axial piston
- Maximum Flow: 42.2 gpm
- Pumps for Blade:
- Type: Fixed displacement gear
- Maximum Flow: 17.0 gpm
- Hydraulic Motors:
- Travel: 2 x piston motor with parking brake
- Swing: 1 x axial piston motor with swing holding brake
- Relief Valve Setting:
- Implement Circuits: 3,844 psi
- Travel Circuits: 3,844 psi
- Swing Circuit: 3,060 psi
- Pilot Circuit: 464 psi
- Blade Circuit (Raise): 1,842 psi
- Blade Circuit (Lower): 3,060 psi
- Hydraulic Cylinders (Number of Cylinders): Bore x Stroke x Rod
- Boom (2): 4.53 x 38.9 x 2.56 in
- Arm (1): 3.9 x 33.9 x 2.36 in
- Bucket (1): 3.54 x 27.95 x 2.17 in
- Swing (1): 4.72 x 25.12 x 2.36 in
- Blade (1): 5.12 x 7.87 x 2.56 in
- Auxiliary Hydraulics:
- Two-way: 36.5 gpm, Relief: 3,830 psi
- One-way: 21.1 gpm, Relief in breaker mode: 2,490 psi
Drives and Brakes:
- Steering Control: Two levers with pedals
- Drive Method: Hydrostatic
- Maximum Drawbar Pull: 15,309 lbf.
- Maximum Travel Speed:
- High: 3.1 mph
- Low: 1.9 mph
- Service Brake: Hydraulic lock
- Parking Brake: Mechanical discs
Swing System:
- Driven by: Hydraulic motor
- Swing Reduction: Planetary gear
- Swing Circle Lubrication: Grease-bathed
- Swing Lock: Mechanical disc brake
- Swing Speed: 10 rpm
Undercarriage:
- Center Frame: X-frame leg
- Track Frame: Box-section
- Track Type: Sealed
- Track Adjuster: Hydraulic
- Number of Shoes: 39 each side
- Number of Carrier Rollers: 1 each side
- Number of Track Rollers: 5 each side
Coolant and Lubricant Capacity (Refilling):
- Fuel Tank: 33.0 US gal
- Radiator: 4.8 US gal
- Engine: 2.7 US gal
- Final Drive (each side): 0.29 US gal
- Swing Drive: 0.74 US gal
- Hydraulic Tank: 14.8 US gal
Operating Weight (Approximate):
- Operating Weight includes 11 ft. 2 in one-piece boom, 6 ft. 11 in arm, ISO 7451 heaped 0.26 yd³ bucket, blade, rated capacity of lubricants, coolant, full fuel tank, operator, and standard equipment.
- Track Shoes: Road Liner 18 in
- Operating Weight: 19,224 lbs.
- Ground Pressure: 5.54 psi
- Track Shoes: Triple Grouser 18 in
- Operating Weight: 18,916 lbs.
- Ground Pressure: 5.54 psi
- Track Shoes: Triple Grouser 24 in
- Operating Weight: 19,290 lbs.
- Ground Pressure: 4.26 psi
- Track Shoes: Rubber Shoe 18 in
- Operating Weight: 18,739 lbs.
- Ground Pressure: 5.41 psi
Further information on this machine can be viewed by visiting this link https://www.komatsu.com/products/excavators/small-excavators/pc88mr-11
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