- Length: 30.5 ft / 9296 mm
- Wheelbase: 16.3 ft / 4967 mm
- Width Over Tires: 8.67 ft / 2640 mm
- Height To Top Of Crane: 12.5 ft / 3809 mm
Published dimensions and weight
Komatsu 840.3
The Komatsu 840.3 pairs the 66CTA Tier 3 engine (168 hp) with an operating weight near 13.9 t.
01Published dimensions and weight
Dimensions reference
Measurement reference — not to scale
01Dimensions referenceLength × width × height
02Operating Weight - 8wd33951.2 lb15400 kg
03Selected published values34
Forwarders are commonly used to carry cut timber from the forest to a landing with the load off the ground. Published rows for Komatsu 840.3 include published maximum speed of 14.7 mph / 23.5 km/h, the published “Length” field of 30.5 ft / 9296 mm, the published “Wheelbase” field of 16.3 ft / 4967 mm. These values describe the published configuration; verify the specific machine's configuration, attachments and records.
- Compare the published “Length” field (30.5 ft / 9296 mm) with the specific machine's configuration and records; options and condition can differ.
- Compare the published “Wheelbase” field (16.3 ft / 4967 mm) with the specific machine's configuration and records; options and condition can differ.
- Compare the published “Width Over Tires” field (8.67 ft / 2640 mm) with the specific machine's configuration and records; options and condition can differ.
02Specifications
Published values, clearly grouped.
Published specifications and measurements are organized by section for quick reference.
Dimensions
Length30.5 ft9296 mm
Wheelbase16.3 ft4967 mm
Width Over Tires8.67 ft2640 mm
Height To Top Of Crane12.5 ft3809 mm
Ground Clearance2.25 ft683 mm
Length Of Bunk Area4.93 ft1500 mm
Engine
Number Of Cylinders66
Engine Model66CTA Tier 366CTA Tier 3
Power168 hp125.3 kw
Torque520 lb ft705.1 Nm
Power Measured @2000 rpm2000 rpm
Displacement402.8 cu in6.6 L
Torque Measured @1500 rpm1500 rpm
AspirationTurboTurbo
Operational
Operating Weight - 6wd30644.3 lb13900 kg
Operating Weight - 8wd33951.2 lb15400 kg
Fuel Capacity42.3 gal160 L
Hydraulic System Fluid Capacity26.5 gal100 L
Operating Voltage24 V24 V
Alternator Supplied Amperage140 amps140 amps
Front/Rear Tire Size - 6wd600/65x34, 600/55x26.5600/65x34, 600/55x26.5
Front/Rear Tire Size - 8wd600/55x26.5600/55x26.5
Transmission
Transmission TypeHydrostaticHydrostatic
Max Speed14.7 mph23.5 km/h
Hydraulic
Pump Typesing circuit load sensing with variable piston pumpsing circuit load sensing with variable piston pump
Flow Capacity76.7 gal/min290 L/min
Relief Valve Pressure3400 psi23442.2 kPa
Bunk
Load Weight - 6wd26455.5 lb12000 kg
Load Weight - 8wd26455.5 lb12000 kg
Load Area44.2 ft24.1 m2
Crane
Crane TypeCRF 8.1CRF 8.1
Max Reach25.6 ft7800 mm
Gross Lift Torque78300 lb ft106160.6 Nm
Gross Slew Torque6460 lb ft8758.6 Nm
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Manufacturer-published specifications.