Komatsu’s electric counterbalanced forklifts bring bold improvements to the market with significant reductions in total operating costs while improving truck performance and productivity. Komatsu’s AE50 and AM50 Series of four-wheel and three-wheel electric cushion and pneumatic tire forklifts feature innovative engineering ideas to show Komatsu’s commitment to fulfilling customer needs, conserving or environment, and reducing total cost of ownership.
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General

GENERAL FB15U-12 FB18U-12 FB20AU-12
Power Type Electric  Electric  Electric
Operation Type Sit-Down Sit-Down Sit-Down
Capacity @ 24 in. (600mm) Load Center 3,000 lbs 3,000 lbs 4,000 lbs
Load Distance  From Center Axle (2 Stage) 15.9 in 15.9 in 17.7 in
Wheelbase 55.5 in 55.5 in 57.9 in

Weight

WEIGHT FB15U-12 FB18U-12 FB20AU-12
Service Weight 6,910 lbs 7,440 lbs 8, 370 lbs
Axle Loading Loaded Front 8,740 lbs 9,620 lbs 10,940 lbs
Loaded Rear 1,170 lbs 1,320 lbs 1,430 lbs
Unloaded Front 3,510 lbs 3,520 lbs 4,020 lbs
Unloaded Rear 3,400 lbs 3,920 lbs 4,350 lbs

Tires

TIRES FB15U-12 FB18U-12 FB20AU-12
Tire Type Solid Pneumatic Solid Pneumatic Solid Pneumatic
Tire Size Front 18 x 7-8 18 x 7-8 200/500 - 10
Rear 16 x 6-8 16 x 6-8 18 x 6-8
Number of Wheels, Front/Rear 2x / 2 2x / 2 2x / 2
Tread  Front 37.0 in 37.0 in 37.4 in
Rear 34.1 in 34.1 in 34.1 in

Dimensions

DIMENSIONS FB15U-12 FB18U-12 FB20AU-12
Tilting Angle, Forward/Backward 6 / 10 deg 6 / 10 deg 6 / 10 deg
Mast Height Lowered 84.4 in 84.4 in 89 in
Extended 167.5 in 167.5 in 168.1 in
Free Lift Height 5.9 in 5.9 in 6.7 in
Maximum Fork Height 129.9 in 129.9 in 129.9 in
Height Overhead Guard 81.5 in 81.5 in 81.5 in
Length, with Standard Forks 123.2 in 124.6 in 128 in
Length to Fork Face 81.1 in 82.5 in 85.8 in
Overall Width at Drive Tires 43.7 in 43.7 in 45.7 in
Forks, Thickness x Width x Length 1.4 x 3.9 x 42.1 in 1.4 x 3.9 x 42.1 in 1.4 x 4.8 x 42.1 in
Carriage Width/ITA Class 38.2 in / II 38.2 in / II 38.2 in / II
Ground Clearance, Under Mast 3.7 in 3.7 in 3.7 in
Ground Clearance, Center of Wheelbase 4.9 in 4.9 in 4.9 in
Right Angle Stacking Aisle 124.4 / 132.2 in 125.6 / 133.5 in 129.1 in / 136.9 in
Turning Radius, Outside 68.9 in 70.3 in 72.8 in

Performance

PERFORMANCE FB15U-12 FB18U-12 FB20AU-12
Travel Speed, Loaded/Unloaded 10.0 / 11.0 mph 10.0 / 11.0 mph 9.0 / 10.0 mph
Lifting Speed, Loaded/Unloaded 66.9 / 118.1 fpm 63.0 / 118.1 fpm 55.1 / 98.4 fpm
Lowering Speed, Loaded/Unloaded 88.6 / 108.3 fpm 88.6 / 108.3 fpm 72.8 / 86.6 fpm
Maximum Drawbar Pull, Loaded 2,150 lbs 2,150 lbs 2,040 lbs
Maximum Gradeability 19% 16% 14%
Service Brake, Operation/Control Foot / Hydraulic Foot / Hydraulic Foot / Hydraulic
Parking Brake, Operation/Control Hand / Mechanical Hand / Mechanical Hand / Mechanical
Steering Type Fully Hydrostatic Power Steering Fully Hydrostatic Power Steering Fully Hydrostatic Power Steering

Drive

DRIVE FB15U-12 FB18U-12 FB20AU-12
Drive Motor (AC) 6.0 x 2 hp 6.0 x 2 hp 6.0 x 2 hp
Pump Motor (AC) 12.1 hp 12.1 hp 12.1 hp
Battery Voltage 48 V 48 V 48 V
Battery Capacity, Maximum 600 Ah/6hr 600 Ah/6hr 600 Ah/6hr
Minimum Battery Weight 1,590 lbs 1,590 lbs 1,680 lbs
Maximum Battery Weight 2,100 lbs 2,100 lbs 2,100 lbs

Other

OTHER FB15U-12 FB18U-12 FB20AU-12
Drive Motor Control AC Inverter AC Inverter AC Inverter
Relief Pressure - Attachment 2,300 psi 2,300 psi 2,300 psi
Hydraulic Oil Capacity 6.1 US Gallons 6.1 US Gallons 6.1 US Gallons

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