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.
Bunk
Komatsu 840.3 Forwarder Bunk specifications
Load Area
44.2 ft2
Load Weight - 6wd
26,455.50 lbs (12,000.03 kg)
Load Weight - 8wd
26,455.50 lbs (12,000.03 kg)
Crane
Komatsu 840.3 Forwarder Crane specifications
Crane Type
CRF 8.1
Gross Lift Torque
78,300.00 lbs ft (106,159.14 nm)
Gross Slew Torque
6,460.00 lbs ft (8,758.47 nm)
Max Reach
25.60 ft (7.80 m)
Dimensions
Komatsu 840.3 Forwarder Dimensions specifications
Ground Clearance
2.25 ft (0.69 m)
Height To Top Of Crane
12.50 ft (3.81 m)
Length
30.50 ft (9.30 m)
Length Of Bunk Area
4.93 ft (1.50 m)
Wheelbase
16.30 ft (4.97 m)
Width Over Tires
8.67 ft (2.64 m)
Engine
Komatsu 840.3 Forwarder Engine specifications
Aspiration
Turbo
Displacement
402.80 cu in (6,600.72 cu cm)
Engine Model
66CTA Tier 3
Number Of Cylinders
6
Power
168.00 hp (125.28 kw)
Power Measured @
2000 rpm
Torque
520.00 lbs ft (705.02 nm)
Torque Measured @
1500 rpm
Hydraulic
Komatsu 840.3 Forwarder Hydraulic specifications
Flow Capacity
76.70 gpm (290.31 lpm)
Pump Type
sing circuit load sensing with variable piston pump