Komatsu 840.3 Forwarder

Category: Forwarders ➔
Manufacturer: Komatsu ➔
Model: 840.3 ➔

The Komatsu 840.3 Forwarder is a versatile and powerful machine designed for efficient logging and timber transportation. With a bunk load area of 44.2 cu ft and a maximum crane reach of 25.6 ft, this forwarder can easily handle heavy loads weighing up to 26,455.5 lbs. Powered by a turbocharged engine generating 168 hp and 520 lbs ft of torque, the 840.3 boasts impressive hydraulic capabilities with a flow capacity of 76.7 gpm. Equipped with a hydrostatic transmission and featuring front/rear tire sizes of 600/65x34 and 600/55x26.5, this machine offers smooth operation and excellent maneuverability. The Komatsu 840.3 Forwarder is a reliable and efficient choice for forestry work in various terrains.

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General Specifications

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	600/65x34 600/55x26.5
Front/Rear Tire Size - 8wd	600/55x26.5
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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