John Deere 640G Skidder

Dimensions

Blade Width 515 ft (157 m)
Cable Width 254 in (645 cm)
Drum Capacity at Cable Width 41,860 ft (12,759 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 146 lbs (66 kg)
Overall Length 10 ft (3 m)
Overall Width 99 ft (30 m)
Tong Opening at Tips 479 in (1,217 cm)

Engine

Aspiration 23900
Displacement turbocharged cu in
Engine Model 157
Gross Power 151 hp (113 kw)
Net Power 2,200 hp (1,641 kw)
Peak Torque 1,350 lbs ft (1,830 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 planetary
Cooling System Fluid Capacity 5 gal (19 l)
Engine Oil Capacity 5 gal (17 l)
Front Diff Fluid Capacity 8 gal (29 l)
Fuel Capacity 8 gal (29 l)
Hydraulic System Fluid Capacity 90 degrees
Operating Voltage 95 amps
Operating Weight 12 lbs (5 kg)
Rear Diff Fluid Capacity 8 gal (30 l)
Steering Angle 26 volts
Transmission Fluid Capacity 11 gal (42 l)

Transmission

Max Speed – Forward 6 mph (9 kph)
Number of Forward Gears 4
Number of Reverse Gears 15.7
Transmission Type 8

Undercarriage

Ground Contact Area piston cu in
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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