Komatsu 840.3 Forwarder

Bunk

Load Area 44 cu ft (13 cu m)
Load Weight – 6wd 26,456 lbs (12,000 kg)
Load Weight – 8wd 26,456 lbs (12,000 kg)

Crane

Crane Type CRF 8.1
Gross Lift Torque 78,300 lbs ft (106,159 nm)
Gross Slew Torque 6,460 lbs ft (8,758 nm)
Max Reach 26 ft (8 m)

Dimensions

Ground Clearance 2 ft (1 m)
Height to Top of crane 13 ft (4 m)
Length 31 ft (9 m)
Length of Bunk Area 5 ft (2 m)
Wheelbase 16 ft (5 m)
Width Over Tires 9 ft (3 m)

Engine

Aspiration Turbo
Displacement 403 cu in (6,601 cu cm)
Engine Model 66CTA Tier 3
Number of Cylinders 6
Power 168 hp (125 kw)
Power Measured @ 2000 rpm
Torque 520 lbs ft (705 nm)
Torque Measured @ 1500 rpm

Hydraulic System

Flow Capacity 77 gpm (290 lpm)
Pump Type sing circuit load sensing with variable piston pump
Relief Valve Pressure 3400 psi

Operating Specifications

Alternator Supplied Amperage 140 amps
Front/Rear Tire Size – 6wd 600/65×34, 600/55×26.5
Front/Rear Tire Size – 8wd 600/55×26.5
Fuel Capacity 42 gal (160 l)
Hydraulic System Fluid Capacity 27 gal (100 l)
Operating Voltage 24 volts
Operating Weight – 6wd 30,644 lbs (13,900 kg)
Operating Weight – 8wd 33,951 lbs (15,400 kg)

Transmission

Max Speed 15 mph (24 kph)
Transmission Type Hydrostatic
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