Caterpillar 311C


Maximum Bucket Capacity1 cu yds (1 m)
Minimum Bucket Capacity0.40 cu yds (0 m)
Reference Bucket Capacity0.60 cu yds (0 m)


Ground Clearance1.50 ft (0 m)
Height to Top of Cab9.10 ft (3 m)
Length of Track on Ground8.60 ft (3 m)
Tail Swing Radius5.80 ft (2 m)
Width to Outside of Tracks8.20 ft (3 m)


Displacement259 cu in (0 m)
Engine Model3,064
Gross Power82 hp (61 kw)
Net Power79 hp (59 kw)


Alternator Supplied Amperage45 A
Cooling System Fluid Capacity4.60 gal (17 l)
Engine Oil Capacity5.20 gal (20 l)
Fuel Capacity51.50 gal (195 l)
Hydraulic Pump Flow Capacity28 gal/min (106 l/min)
Hydraulic System Fluid Capacity42.30 gal (160 l)
Hydraulic System Relief Valve Pressure4,340 psi
Operating Voltage24 V
Operating Weight26,410 lbs (11,980 kg)
Swing Drive Fluid Capacity0.80 gal (3 l)

Swing Mechanism

Swing Speed10.60 rpm


Drawbar Pull20,680 lbs (9,380 kg)
Ground Pressure6 psi
Max Travel Speed3.50 mph (6 kph)
Shoe Size20 in (51 cm)
Track Gauge6.50 ft (2 m)

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