Komatsu 840.3 Forwarder

Dimensions

Length 30.5 ft in (9296 mm)
Wheelbase 16.3 ft in (4967 mm)
Width Over Tires 8.67 ft in (2640 mm)
Height To Top Of Crane 12.5 ft in (3809 mm)
Ground Clearance 2.25 ft in (683 mm)
Length Of Bunk Area 4.93 ft in (1500 mm)

Engine Details

Number Of Cylinders 6
Engine Model 66CTA Tier 3
Power 168 hp (125.3 kw)
Torque 520 lb ft (705.1 Nm)
Power Measured @ 2000 rpm
Displacement 402.8 cu in (6.6 L)
Torque Measured @ 1500 rpm
Aspiration Turbo

Operational Specs

Operating Weight – 6wd 30644.3 lb (13900 kg)
Operating Weight – 8wd 33951.2 lb (15400 kg)
Fuel Tank Capacity 42.3 gal (160 L)
Hydraulic System Fluid Capacity 26.5 gal (100 L)
Operating Voltage 24 V
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

Transmission

Transmission Type Hydrostatic
Max Speed 14.7 mph (23.5 km/h)

Hydraulic

Pump Type sing circuit load sensing with variable piston pump
Flow Capacity 76.7 gal/min (290 L/min)
Relief Valve Pressure 3400 psi (23442.2 kPa)

Bunk

Load Weight – 6wd 26455.5 lb (12000 kg)
Load Weight – 8wd 26455.5 lb (12000 kg)
Load Area 44.2 ft2 (4.1 m2)

Crane

Crane Type CRF 8.1
Max Reach 25.6 ft in (7800 mm)
Gross Lift Torque 78300 lb ft (106160.6 Nm)
Gross Slew Torque 6460 lb ft (8758.6 Nm)
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