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The new 312F GC OEM excavator is built for those who need dependable performance at a low cost per hour. The machine features an efficient C3.4B engine that's light on fuel – with no need for diesel exhaust fluid to meet today's emission standards. Unlike other brands in its size class, the 312F GC comes equipped with more unique attributes: Strong and stable undercarriage, a quiet and comfortable Roll-Over Protective Structure (ROPS) cab, and easy-to-reach service points are just a few. Bottom line: If you are looking for a dependable, low-cost-per-hour specialty solution based excavator to get your work done – backed by unmatched support from a brand you can trust – look no further than the 312F GC OEM. It simply makes a great deal of business sense.


Engine Model Cat® C3.4B Cat® C3.4B Less
Bore 3.9 in 99.0 mm Less
Stroke 4.33 in 110.0 mm Less
Displacement 207.0 in³ 3.4 l Less
Engine Power - ISO 14396 72.0 HP 54.0 kW Less
Net Power - ISO 9249 70.0 HP 52.0 kW Less
Note The 312F GC meets Japan 2014 (Tier 4 Final) emission standards. The 312F GC meets Japan 2014 (Tier 4 Final) emission standards. Less
Flywheel Power 70.0 HP 52.0 kW Less


Operating Weight* 27558.0 lb 12500.0 kg Less
Note *Dependent on application, Review *Dependent on application, Review Less
Frontless Weight 23854.0 lb 10820.0 kg Less

Swing Mechanism

Swing Speed 11.7 r/min 11.7 r/min Less
Swing Torque 22791.0 lb/ft 30.9 kN·m Less


Maximum Drawbar Pull 24707.0 lbf 109.9 kN Less
Maximum Travel Speed 3.4 mile/h 5.5 km/h Less
Maximum Travel Speed - Low 2.2 mile/h 3.6 km/h Less
Maximum Travel Speed - High 3.4 mile/h 5.5 km/h Less

Hydraulic System

Maximum Pressure - Swing 3336.0 psi 23.0 MPa Less
Pilot System - Maximum Pressure 598.0 psi 4120.0 kPa Less
Maximum Pressure - Travel 4424.0 psi 30.5 MPa Less
Maximum Pressure - Equipment 4424.0 psi 30.5 MPa Less
Main System - Maximum Flow - Total 63.4 gal/min 240.0 l/min Less

Service Refill Capacities

Fuel Tank Capacity 66.0 gal (US) 250.0 l Less
Cooling System 4.7 gal (US) 17.9 l Less
Engine Oil 2.1 gal (US) 8.0 l Less
Swing Drive 0.8 gal (US) 3.0 l Less
Hydraulic System - Including Tank 43.3 gal (US) 164.0 l Less
Hydraulic Tank 23.9 gal (US) 90.6 l Less
Final Drive 0.8 gal (US) 3.0 l Less


Reference Number of Track Rollers - Each Side - Standard Undercarriage 6 pieces 6 pieces Less
Number of Carrier Rollers - Each Side 1 piece 1 piece Less
Reference Number of Shoes - Each Side - Standard Undercarriage 43 pieces 43 pieces Less



Operator Station

Structures and Optional Undercarriage

Simple Technologies



Complete Customer Care


312F GC OEM Standard Equipment

  • C3.4B diesel engine
  • Meets Japan 2014 (Tier 4 Final) emission standards
  • 3000 m altitude capability
  • Two speed travel
  • Waved fin radiator with side-by-side type oil cooler
  • Radial seal air filter, double element
  • Cat battery

  • ROPS cab
  • Laminated glass front window 70/30 split (tempered glass)
  • Sliding upper door window (left-hand cab door)
  • Removable lower windshield with in cab storage bracket
  • Windshield washer and radial wipers
  • Interior lighting
  • Coat hook
  • Beverage holder
  • Ash tray
  • Literature holder
  • Radio (meet DIN size)
  • Rear window (emergency exit)
  • 1 × 12V power supply 10A
  • Two stereo speakers (two locations)
  • Storage compartment suitable for lunch box
  • Color LCD display with indicators, filter/fluid change, and working hour information
  • Neutral lever (lock out) for all controls
  • Utility space for magazine
  • Adjustable armrest
  • Adjustable console
  • Travel control pedals with removable hand levers
  • Capability of installing two additional pedals

  • Automatic swing parking brake
  • High performance hydraulic return filter
  • Reverse swing damping valve
  • Control pattern changer

  • Circuit breaker (12V)

  • Light, storage box mounted (one)

  • Grease lubricated track (GLT2)
  • Towing eye on base frame
  • Base frame with new eye for diagonal lashing
  • Standard idler tension spring

  • 2100 kg counterweight

  • Cat one key security system
  • Door locks and cap locks on fuel tanks
  • Signaling/warning horn
  • Secondary engine shutoff switch
  • Rear window for emergency exit
  • Mirrors (frame – right, cab – left)
  • Rearview camera
  • Machine Security System

  • Product Link Japan