John Deere 640G III Skidder

Dimensions

Blade Width 52 ft (16 m)
Cable Width 254 in (645 cm)
Drum Capacity at Cable Width 43,449 ft (13,243 m)
Drum Diameter 1 in (2 cm)
Grapple Capacity – tongs tip to tip 8 cu ft (2 cu m)
Height – Top of Cab 2 ft (1 m)
Max Line Pull – bare drum 142 lbs (64 kg)
Overall Length 10 ft (3 m)
Overall Width 10 ft (3 m)
Tong Opening at Tips 521 in (1,323 cm)

Engine

Aspiration 30025
Displacement turbocharged cu in
Engine Model 171
Net Power 1,400 hp (1,044 kw)
Peak Torque 1,400 lbs ft (1,898 nm)
Power Measured @ 414 rpm
Torque Measured @ 42 rpm

Hydraulic System

Pump Flow 3,000 gpm (11,355 lpm)
Pump Type 27
Relief Valve Pressure 11.3 psi

Operating Specifications

Alternator Supplied Amperage direct-drive power shift
Cooling System Fluid Capacity 5 gal (19 l)
Engine Oil Capacity 5 gal (17 l)
Front Diff Fluid Capacity 8 gal (28 l)
Fuel Capacity 9 gal (34 l)
Hydraulic System Fluid Capacity 90 degrees
Operating Voltage 90 amps
Operating Weight 12 lbs (5 kg)
Rear Diff Fluid Capacity 8 gal (30 l)
Steering Angle 30.5 volts
Tire Size 7.2
Transmission Fluid Capacity 14 gal (54 l)

Transmission

Max Speed – Forward 10 mph (16 kph)
Number of Forward Gears 7
Number of Reverse Gears 13.6
Transmission Type 8

Undercarriage

Ground Contact Area variable-displacement axial piston
Length of Track on Ground 6,068 ft (1,850 m)

Winch – Grapple Skidder

Drum Capacity – 25.4mm (1 in) 30 degrees
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