Caterpillar 939C Crawler Loader

Dimensions

Clearance at Full Height and Dump 9 ft (3 m)
Ground Clearance 1 ft (0 m)
Height – Top of Cab 9 ft (3 m)
Length to Front of Track 10 ft (3 m)
Length with Bucket on Ground 14 ft (4 m)
Reach at Dump Height 3 ft (1 m)
Width to Outside of Tracks 7 ft (2 m)

Engine

Aspiration Turbocharger
Displacement 305 cu in (4,998 cu cm)
Engine Model 3046T
Model at 3046T
Net Power 90 hp (67 kw)
Number of Cylinders 6
Power Measured @ 2400 rpm

Hydraulic System

Dump Time 2.4 seconds
Lower Time 2.9 seconds
Pump Flow Capacity 35 gpm (132 lpm)
Pump Type Gear
Raise Time 5.6 seconds
Relief Valve Pressure 2875 psi

Operating Specifications

Alternator Supplied Amperage 55 amps
Breakout Force Bucket 20,200 lbs (9,163 kg)
Bucket Capacity – heaped 2 cu yd (1 cu m)
Bucket Capacity – struck 1 cu yd (1 cu m)
Cooling System Fluid Capacity 6 gal (21 l)
Engine Oil Capacity 3 gal (13 l)
Final Drive Fluid Capacity – each 4 gal (15 l)
Fuel Capacity 41 gal (157 l)
Hydraulic System Fluid Capacity 15 gal (57 l)
Operating Voltage 12 volts
Operating Weight 20,908 lbs (9,484 kg)
Static Tipping Load 14,565 lbs (6,607 kg)

Undercarriage

Ground Contact Area 2,700 cu in (44,245 cu cm)
Ground Pressure 7.8 psi
Length of Track on Ground 7 ft (2 m)
Number of Shoes per Side 37
Number of Track Rollers per Side 6
Track Gauge 61 in (155 cm)
Track Shoe Width 16 in (41 cm)
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