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Komatsu PC390LL-10 Forestry Excavators

Base Machine	Log Loader 106,920 lb (48,500 kg), Road Builder 103,400 lb (46,900 kg)
Engine	Gross: 271 HP (202 kW) @ 1950rpm Net: 257 HP (192 kW) @ 1950rpm
Work Equipment	Komatsu 42' Live Heel Logging Boom HD Roadbuilder Booms & Arms
Swing	97,024 ft lbs (13414 kg∙m)

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Feature Parameter

High performance Log Loader with Komatsu designed forestry attachments

Parameter

Operating Weight
Log Loader	Includes: Forestry cab with 48" riser, High-wide track frame, 700mm double grouser shoes, Komatsu 42' live heel logging boom, Heavy counterweight, Battery box guard, rated capacity of lubricants, coolant, full fuel tank, operator and standard equipment.
Road Builder	Includes: Forestry cab with 7" riser, 700mm double grouser shoes, 21'3" (6500mm) one-piece HD boom, 10'5" (3185mm) arm, 1.8 yd (1.4m³ ) bucket. heavy counterweight, battery box guard, rated capcity of lubricants, coolant, full fuel tank, operator and standard equipment.
Engine
Model	Komatsu SAA6D114E-5 (EPA Tier 4 Interim and EU stage 3B emissions certified)
Type	Water-cooled, 4 cycle, direct injection
Aspiration	Turbocharged, aftercooled, cooled EGR.
No. of Cylinders	6
Bore	4.49" (114 mm)
Stroke	5.69" (144.5 mm)
Piston Displacement	540 in³ (8.85 ltr)
Horsepower	SAE J1995: Gross- 271 HP (202 kW). ISO 9249 / SAE J1349: Net- 257 HP (192Kw), Rated rpm: 1950
Cooling	Mechanical
Govenor	All-speed control, electronic
Hydraulic System
Swing motor	1 x axial piston motor with swing holding brake
Type	HydrauMind (Hydraulic Mechanical Intelligence New Design) system, closed-center system with load sensing valves and pressure compensated valves.
No of Working Modes	6
Main Pump: Type	Variable-displacement piston pump
Main Pumps: Pumps for	Boom, arm, bucket, swing, and travel circuits
Main Pump: Maximum flow	141.3 gal/min (535 ltr/min)
Relief Valve Setting: Implement circuits	37.3 MPa 380 kg/cm² (5,400 psi)
Relief Valve Setting: Pilot circuit	3.2 MPa 33kg/cm² (470 psi)
Relief Valve Setting: Swing circuit	27.9 MPa 285 kg/cm² (4.050 psi)
Relief Valve Setting: Travel circuit	37.3 MPa 380 kg/cm² (5,400 psi)
Service Valve Max Flow: First valve	141 U.S. gal (535 ltr)
Undercarriage
Center Frame	X-frame
Track Frame	Box-section
No of Shoes (each side)	46 per side
Seal of Track	Sealed track
Track Adjuster	Hydraulic
No of Carrier Rollers (each side)	2
No of Track Rollers (each side)	7 per side
Drives and Brakes
Maximum Drawbar Pull	73,880 lb (329 kN 33510 kg)
Parking Brake	Mechanical disc brake
Gradeability	70%, 35°
Steering Control	Two levers with pedals
Maximum Travel Speed	3.4 mph (5.5 km/h)
Service Brake	Hydraulic lock
Swing System
Swing Reduction	Planetary gear
Swing Speed	7.5 rpm
Swing Circle Lubrication	Grease-bathed
Swing Torque	97,024 ft lbs (13414 kg∙m)
Swing Lock	Mechanical disc brake
Coolant and Lubricant Capacity
Fuel Tank	159.8 U.S. gal (605 ltr)
Coolant	9.7 U.S. gal (37 ltr)
Engine	9.2 U.S. gal (35 ltr)
Final Drive	2.7 U.S.gal (10.5 ltr)
Swing Drive	5.3 U.S. gal (20 ltr)
Hydraulic Tank	49.7 U.S. gal (188 ltr)
Standard Equipment
Undercarriage	High and wide forestry undercarriage with: 773 mm (2' 6'') clearance and 2932 gauge (9' 7 ''). Hydraulic track adjusters. Revolving frame undercovers HD (9mm). Shoes Triple grouser 28'' (700mm). Swivel guard HD.
Engine and Related Items	Komatsu SAA6D114E-5, (EPA Tier 4 Interim and EU Stage 3B emissions certified). Automatic engine warm-up system. Engine overheat prevention system. Dry type air cleaner, double element. Fuel system pre-cleaner 10 micron. KDPF insulation wrap and heat shields. EMMS monitoring system. Engine doors, HD (6mm). Engine overheat prevention system. Fuel system pre-cleaner (10 micron). Secondary engine shutoff switch. Suction Fan.
Electrical System	Alternator- 60 Ampere, 24V. Batteries - Large capacity. Battery disconnect switch. Starter motor-11.0kW/24 V x 1. Converter-24V to 12V
Hydraulic Controls	Boom and arm holding valves. High pressure in-line hydraulic filters, Power maximizing system. PPC hydraulic control system. Service valve.
Other Standard Equipment	AM/FM radio. Automatic air conditioner/heater. Auxiliary input (3.5 jack). Cab Komatsu ROPS/OPS/FOPS/TOPS/WCB certified forestry cab or Temporary shipping shell. Counterweight 7090 kg (15,631 lb). Electric Horn. Extended work equipment grease interval. Forest debris screens, (removeable for cleaning). High back air suspension seat (with heat). Grip strut walkways. KOMTRAX® level 4.0. Large 7" (177mm) LCD color monitor. Lock Lever. Mirrors (LH/RH). Power maximizing system. Pump/Engine room partition cover. radiator and oil cooler dustproof net. Rear reflectors. Rearview monitoring system (1 camera). Seat belt, 3" (76mm)(retractable). Seat belt indicator. Skylight. Slip resistant foot plates. Thermal and fan guards. Travel alarm. Working light package. Working mode selection system.
Optional Equipment
Arms	10'5" (3185mm) arm assembly. 10'5" (3185mm) arm assembly w/1 actuator piping. 13'2" (4020mm) arm assembly. 13'2" (4020mm) arm assembly w/1 actuator piping. Arm holding valve
Booms	21'3" (6500mm) HD boom assembly. 21'3" (6500mm) HD boom assembly w/1 actuator piping. 42" (12800 mm) LIve heel logging boom. Boom cylinders only.
Cab Risers	Forestry cab, 7" (177mm) fixed riser. Forestry cab, 48" (1220mm) tilting riser.
Other Optional Equipment	Arm holding valves. Battery box guard. Counterweight 17,868 lb (8105 kg). Flow Control and spool limiters. Forestry Grapples: 58" or 60" openings. Soft swing. straight travel system pedal.
Shoes	28" (700mm) double grouser. 31.5" triple grousers.
Notes
General information	For additional product information or questions please contact your local Komatsu Dealer. Standard and extra equipment are market-dependent and vary between countries. The specification describes possible equipment, which is either standard or optional. Stated weights are based on standard equipment.