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Heavy Duty HPCR System - High pressure compressed fuel is stored in an accumulator chamber called a common rail. The fuel is injected into each cylinder at the proper time by an ECU (electronic controlled unit). This high pressure compression rail system optimizes fuel burn and greatly reduces fuel consumption.
Highly Rigid Frame - A highly rigid frame enhances truck durability and load handling performance. Use of a main frame structure that consists of a single piece of thick plate steel provides high rigidity against twisting caused by static steering, turning, or uneven surfaces resulting in excellent truck durability and load-handling performance.
KOPS Plus Komatsu Operator Presence System - KOPS Plus – standard on the EX50 – locks out lift, lower, tilt and traveling functions when the operator leaves the seat for more than three seconds. They do not resume until the operator returns to the seat and resets the controls. A flashing yellow warning light alerts the operator when the KOPS lock is activated. In addition, the forks cannot be lowered while the key is in the off position.
Wet Disc Brake System - The EX50 features a standard wet disc brake system that offers improved durability and performance over a traditional drum brake. Due to its dustproof and waterproof enclosed design, the wet disc brake system can deliver high durability, resulting in reduced maintenance costs over time. Regardless of your working conditions, the wet disc brake system can have a positive impact on overall operating costs.
Komatsu's Hydraulic Suspension Cab HSC - Komatsu’s HSC mount system raises the operator’s cab from the vehicle chassis with a hydraulic suspension system that absorbs most operational vibration. This greatly helps improve operator comfort to reduce fatigue even during long work shifts.
Ease of Serviceability - The EX50’s large fuel tank reduces the need for frequent fill-ups and easy-to-see inspection windows show fuel and oil levels. A unique air cleaner automatically ejects airborne dust to reduce clogging of the filter element, thus improving suction efficiency and improving filter element life. A reserve tank for engine coolant keeps the system at a constant level and eliminates the need for frequent refills.
Enhanced Operator Visability - Operational visibility is greatly enhanced through improvements of the shape of the top of the counterweight and through an increased distance between the inner mast rails. Rearward visibility has been improved through a downward angle to the top edge of the counterweight. Also, forward visibility has been improved by repositioning the lift chains to the outside rail.
|Rated Capacity||22,000 lbs||25,000 lbs||30,000 lbs||35,000 lbs|
|Rated Load Center||24 in||24 in||24 in||24 in|
|Load Distance, Front Axle to Fork Face||27.4 in||28.1 in||29.1 in||29.5 in|
|Wheelbase||110.2 in||110.2 in||122 in||122 in|
|Service Weight||28,620 lbs||31,660 lbs||34,130 lbs||37,920 in|
|Axle Loading||Loaded Front||45,990 lbs||51,790 lbs||58, 310 lbs||66,450 lbs|
|Loaded Rear||4,670 lbs||5,220 lbs||5,580 lbs||6,750 lbs|
|Unloaded Front||13,730 lbs||14,530 lbs||15,670 lbs||15,810 lbs|
|Unloaded Rear||14,880 lbs||17,130 lbs||18,450 lbs||22,110 lbs|
|Tire Size||Front||9 - 20 - 14PR (I)||10 - 20 - 14PR (I)||11 - 20 - 14PR (I)||12 - 20 - 16PR (I)|
|Rear||9 - 20 - 14PR (I)||10 - 20 - 14PR (I)||11 - 20 - 14PR (I)||12 - 20 - 16PR (I)|
|Number of Wheels, Front/Rear||4X / 2||4X / 2||4X / 2||4X / 2|
|Tread||Front||66.9 in||66.9 in||69.7 in||69.7 in|
|Rear||74.8 in||74.4 in||74.7 in||73.6 in|
|Tilting Angle, Forward/Backward||6 / 12 deg||6 / 12 deg||6 / 12 deg||6 / 12 deg|
|Mast Height||Lowered||113.8 in||124.4 in||124.8 in||129.5 in|
|Extended||173.2 in||183.9 in||184.3 in||189 in|
|Free Lift Height||0 in||0 in||0 in||0 in|
|Standard Lift Height||118 in||118 in||118 in||118 in|
|Height Overhead Guard||109.4 in||110.2 in||110.6 in||111.4 in|
|Length, with Standard Forks||215.2 in||216.7 in||230.7 in||237 in|
|Length to Fork Face||167.1 in||168.7 in||182.7 in||189 in|
|Overall Width at Drive Tires||89.8 in||90.9 in||94.9 in||97.6 in|
|Forks, Thickness x Width x Length||3 x 6.7 x 48 in||3 x 7.3 x 48 in||3.1 x 7.3 x 48 in||3.3 x 8.3 x 48 in|
|Carriage Width/ITA Class||84.3 in / Pin Mount||84.3 in / Pin Mount||86.6 in / Pin Mount||86.6 in / Pin Mount|
|Ground Clearance, Under Mast||9.8 in||9.8 in||10.2 in||10.6 in|
|Ground Clearance, Center of Wheelbase||12.8 in||13.6 in||13.8 in||14.6 in|
|Right Angle Stacking||240.7 in||241.9 in||254.3 in||262.6 in|
|Turning Radius, Outside||157.5 in||157.9 in||169.3 in||177.2 in|
|Travel Speed, Loaded 1st/2nd/3rd||5.3 / 11.2 / 17.4 mph||5.3 / 11.8 / 17.4 mph||5.6 / 12.1 / 17.1 mph||5.9 / 12.4 / 17.4 mph|
|Travel Speed, Unloaded 1st/2nd/3rd||5.6 / 12.4 / 19.9 mph||5.6 / 13.0 / 19.9 mph||5.9 / 13.0 / 20.2 mph||6.2 / 13.4 / 20.5 mph|
|Lifting Speed, Loaded/Unloaded||93 / 98 fpm||85 / 89 fpm||69 / 74 fpm||63 / 68 fpm|
|Lowering Speed, Loaded/Unloaded||78.7 / 98.4 fpm||78.7 / 98.4 fpm||78.7 / 98.4 fpm||79 / 79 fpm|
|Maximum Drawbar Pull, Loaded||23,800 lbs||23,300 lbs||22,700 lbs||21,170 lbs|
|Service Brake, Operation/Control||Foot / Hydraulic, Powered||Foot / Hydraulic, Powered||Foot / Hydraulic, Powered||Foot / Hydraulic, Powered|
|Parking Brake, Operation/Control||Hand / Mechanical||Hand / Mechanical||Hand / Mechanical||Hand / Mechanical|
|Steering Type||Hydraulic Power Steering||Hydraulic Power Steering||Hydraulic Power Steering||Hydraulic Power Steering|
|Engine Manufacturer / Engine Model||Komatsu SAA6D107E-1||Komatsu SAA6D107E-1||Komatsu SAA6D107E-1||Komatsu SAA6D107E-1|
|Rated Output (SAE Net)||164 HP @ 2,200 rpm||164 HP @ 2,200 rpm||164 HP @ 2,200 rpm||164 HP @ 2,200 rpm|
|Maximum Torque (SAE Net)||424 lb-ft @ 1,600 rpm||424 lb-ft @ 1,600 rpm||424 lb-ft @ 1,600 rpm||575 lb-ft @ 1,600 rpm|
|# of Cylinders / Displacement||6 / 408 cu in||6 / 408 cu in||6 / 408 cu in||6 / 408 cu in|
|Fuel Tank Capacity||68.7 US Gallons||68.7 US Gallons||74 US Gallons||74 US Gallons|
|Battery, Voltage/Capacity||24 V / 80 Ah||24 V / 80 Ah||24 V / 80 Ah||24 V / 80 Ah|
|Relief Pressure, Maximum||3,118 psi||3,118 psi||3,118 psi||3,118 psi|
|Hydraulic Tank Capacity||48 US Gallons||48 US Gallons||55 US Gallons||55 US Gallons|
|Clutch||Torque Convertor||Torque Convertor||Torque Convertor||Torque Convertor|