The Cat® 311F RR reduced radius excavator operates where others don't fit. Offering power, excellent fuel efficiency and low owning/operating costs, the 311F RR is a great option for a wide range of excavator needs.
ENGINE Engine Power - ISO 9249 71.0 HP Engine Model C3.4B Engine Power - ISO 14396 74.0 HP Bore 3.9 in Stroke 4.33 in Displacement 207.0 in³ HYDRAULIC SYSTEM Main System - Maximum Flow 125 × 2 L/min (33 × 2 gal/min) Maximum Pressure - Equipment 4424.0 psi Maximum Pressure - Swing 3336.0 psi Maximum Pressure - Travel 5076.0 psi SWING MECHANISM Swing Speed 10.0 r/min Maximum Swing Torque 22791.0 ft•lbf WEIGHTS Operating Weight 28660.0 lb SERVICE REFILL CAPACITIES Fuel Tank Capacity 55.48 gal (US) Cooling System 2.4 gal (US) Engine Oil 2.1 gal (US) Swing Drive 0.63 gal (US) Final Drive - Each 0.79 gal (US) Hydraulic System - Including Tank 42.3 gal (US) Hydraulic Tank 25.1 gal (US) DIMENSIONS Boom 4.3 m (14'1" ft) Stick R2.8 m (9'2") Bucket GD 0.53 m3 (0.69 yd3) Shipping Height - Top of Cab 9.08 ft Handrail Height 9.25 ft Shipping Length 22.67 ft Shipping Length - with Blade 24.67 ft Tail Swing Radius 5.75 ft Counterweight Clearance 3.0 ft Ground Clearance 1.42 ft Track Length 11.42 ft Length to Center of Rollers 9.08 ft Track Gauge 6.5 ft Transport Width 8.75 ft WORKING RANGES Maximum Digging Depth 18.33 ft Boom 4.3 m (14'1" ft) Stick R2.8 m (9'2") Bucket GD 0.53 m3 (0.69 yd3) Maximum Reach at Ground Level 26.58 ft Maximum Cutting Height 26.67 ft Maximum Loading Height 18.92 ft Minimum Loading Height 4.33 ft Maximum Vertical Wall Digging Depth 16.0 ft Bucket Digging Force (ISO) 20007.0 lbf Stick Digging Force (ISO) 11690.0 lbf
MOVE MORE WITH LESS FUEL: • The C3.4B U.S. EPA Tier 4 Final/EU Stage IV engine burns up to 14% less fuel than the model it replaces, the 311D. • The engine is equipped to run on up to B20 biodiesel fuel. • Two power modes, high power and eco mode, help operators manage fuel consumption. • Auto engine idle shutdown saves fuel, reduces emissions, and extends service intervals.
EXPAND YOUR CAPABILITIES: • Reduced radius is ideal for work in space-restricted areas. • Site prep and finishing work are quick and easy with a wide range of Cat work tools. • Utility work is fast and flawless with a Cat bucket and compactor. • A coupler lets you swap between attachments in seconds without leaving the cab. • See the whole money-making attachment line for your machine at www.cat.com/attachments.
DESIGNED FOR OPERATORS: • The roll-over protective structure (ROPS) certified cab is quiet and comfortable. • Automatic climate control helps maintain consistent cab temperature. • Joystick consoles and armrests are adjustable. • Seats are adjustable and feature air suspension and heated and cooled options. • The LCD monitor is easy to navigate and programmable in 42 languages.
BUILT TO PERFORM: • Booms and sticks are built with baffle plates for enhanced service life. • Box-section structures with multi-plate fabrications, castings, and forgings are used in high-stress areas. • Greased track link between pins and bushings increases undercarriage life and reduces noise.
SAVE ON SERVICE AND MAINTENANCE: • Many routine service and maintenance points can be accessed from ground level reducing the time taken to check and service your machine. • Service doors are designed to prevent debris entry and to make access to fluid taps and filters easy. • The cooling package is designed to prevent plugging and has wide clearance to help make blowing off debris easy.
CLEAN-UP:
CAT MODELS: 311 F L RR28660lbs (13000kg) COMPETITOR MODELS: LINK-BELT 130 X4 LC29100lbs (13200kg)
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