John Deere 640H Skidder

Dimensions

Blade Width 52 ft (16 m)
Cable Width 179 in (455 cm)
Drum Capacity at Cable Width 43,388 ft (13,225 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 122 lbs (55 kg)
Overall Length 10 ft (3 m)
Overall Width 10 ft (3 m)

Engine

Aspiration 30275
Displacement turbocharged cu in
Engine Model 172
Net Power 2,200 hp (1,641 kw)
Power Measured @ 414 rpm
Torque Measured @ 41 rpm

Hydraulic System

Pump Flow 3,100 gpm (11,734 lpm)
Pump Type 29
Relief Valve Pressure 11.3 psi

Operating Specifications

Alternator Supplied Amperage powershift
Hydraulic System Fluid Capacity 45 degrees
Operating Voltage 90 amps
Operating Weight 12 lbs (5 kg)
Steering Angle 26 volts
Tire Size 7.2
Transmission Fluid Capacity 15 gal (57 l)

Transmission

Max Speed – Forward 11 mph (17 kph)
Number of Forward Gears 7
Number of Reverse Gears 14.3
Transmission Type 8

Undercarriage

Ground Contact Area variable 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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