311D LRR




Engine Model Cat® C4.2 ACERT™ Cat® C4.2 ACERT™ Less
Flywheel Power 80.0 hp 60.0 kW Less
Gross Power 86.0 hp 64.0 kW Less
ISO 9249 80.0 hp 60.0 kW Less
SAE J1349 80.0 hp 60.0 kW Less
Bore 4.0 in 102.0 mm Less
Stroke 5.1 in 130.0 mm Less
Displacement 259.0 in3 4.25 L Less
Net Power - SAE J1349 80.0 hp 60.0 kW Less


Operating Weight 27514.0 lb 12480.0 kg Less
Operating Weight - Long Undercarriage 27514.0 lb 12480.0 kg Less

Swing Mechanism

Swing Torque 22825.0 lb ft 30900.0 kN·m Less
Swing Speed 11.4 RPM 11.4 RPM Less


Maximum Drawbar Pull 25600.0 lb 114.0 kN Less
Travel Speed 3.1 mph 5.1 km/h Less

Hydraulic System

Main Implement System - Maximum Flow (2x) 30.9 gal/min 117.0 L/min Less
Maximum Pressure - Implements 4424.0 psi 30500.0 kPa Less
Maximum Pressure - Travel 5076.0 psi 35000.0 kPa Less
Maximum Pressure - Swing 3336.0 psi 23000.0 kPa Less
Pilot System - Maximum Flow 6.08 gal/min 23.0 L/min Less
Pilot System - Maximum Pressure 598.0 psi 4120.0 kPa Less
Boom Cylinder - Bore 3.9 in 100.0 mm Less
Boom Cylinder - Stroke 39.4 in 1002.0 mm Less
Stick Cylinder - Bore 4.3 in 110.0 mm Less
Stick Cylinder - Stroke 47.0 in 1194.0 mm Less
Bucket Cylinder - Bore 3.9 in 100.0 mm Less
Bucket Cylinder - Stroke 37.0 in 939.0 mm Less

Service Refill Capacities

Fuel Tank 55.0 gal 210.0 L Less
Cooling System 5.0 gal 18.0 L Less
Engine Oil 5.0 gal 19.0 L Less
Swing Drive (each) 1.0 gal 3.0 L Less
Final Drive (each) 1.0 gal 3.0 L Less
Hydraulic System (including tank) 38.0 gal 145.0 L Less
Hydraulic Tank 21.0 gal 78.0 L Less


Cab/FOGS SAE J1356 FEB88/ISO 10262 SAE J1356 FEB88/ISO 10262 Less


Performance ANSI/SAE J1166 OCT 98 ANSI/SAE J1166 OCT 98 Less


Transport width 102.0 in 2590.0 mm Less
Counterweight Clearance 36.0 in 910.0 mm Less
Length to Center of Rollers 9.12 ft 2780.0 mm Less
Shipping Height 9.41 ft 2860.0 mm Less

Operator Station

Enhanced comfort, operation and visibility


Delivering the most work per liter/gallon of fuel consumed


Low effort and precise control for highly efficient performance

Undercarriage and Structures

Strong, stable and easy to maneuver

Front Linkage

Reliable, durable and versatile


More options for more work


Simplified service and maintenance saves time and money

Technology Products

Advanced technologies improve productivity and simplify serviceability

Customer Support

Unmatched support makes the difference

311D LRR Standard Equipment

Alternator, 50 amp

Automatic engine speed control

Bolt-on Falling Object Guard System (FOGS) capability

  • AM/FM radio, 24-volt
  • Ashtray with cigar lighter
  • Coat hook
  • Beverage holder
  • Economy mode
  • Horn

Language display monitor (full graphic/full color display)
  • Clock
  • Filter/fluid change information
  • Level check for hydraulic oil, engine oil and coolant
  • Warning messages

Light, interior

Literature holder

Openable front windshield

Openable skylight with sun shade

Storage compartment

Travel control pedals with removable hand levers

Door locks and cap locks with one-key security system

Light, storage box mounted (1)

Mirrors (frame and cab)

Power Train
  • Cat® C4.2 engine with ACERT™ Technology
  • 24-volt electric starter
  • Air intake heater
  • Water separator

Radial seal air filter

  • Idler section track guiding guards
  • Center section track guiding guards
  • Track-type undercarriage with grease lubricated seals

311D LRR Optional Equipment

AccuGrade™ Basic, Laser and GPS ready

Air prefilter

Auxiliary hydraulics

Auxiliary hydraulic lines from booms and sticks

Boom lowering and overload warning control device

Bucket linkage

Cab mounted working lights

Cab mounted working lights with time delay function

Cold weather start

E-Ceiling and cab avoidance

Fine swing control

Front windshield gaurd

Hand control pattern changer

Heavy-duty bottom guard

High ambient cooling system

Power supply 7A-12V

Pull down sunscreen

Rain protector

Right side boom lights

Side steel bumper

Secondary exit, rear window

Stick and boom configurations
  • 2.8 m (9'2") stick
  • 2.6 m (8'6") stick
  • 2.25 m (7'4") stick

Sun visor

Swivel guard

Vandalism protection

Water level indicator for water separator

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