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 FB15MU-12 FB18MU-12 FB20MU-12
Power Type Electric Electric Electric
Operation Type Sit-Down Sit-Down Sit-Down
Capacity @ 24 in. (600mm) Load Center 3,000 lbs 3,500 lbs 4,000 lbs
Load Distance  From Center Axle (2 Stage) 15.9 in  15.9 in  16.7 in
Wheelbase 52.8 in 54.7 in 58.5 in

Weight

WEIGHT FB15MU-12 FB18MU-12 FB20MU-12
Service Weight 7,010 lbs 7,640 lbs 8,600 lbs
Axle Loading Loaded Front 8,760 lbs 9,700 lbs 11,070 lbs
Loaded Rear 1,250 lbs 1,440 lbs 1,530 lbs
Unloaded Front 3,420 lbs 3,570 lbs 4,190 lbs
Unloaded Rear 3,590 lbs 4,070 lbs 4,410 lbs

Tires

TIRES FB15MU-12 FB18MU-12 FB20MU-12
Tire Type Cushion Cushion Cushion
Tire Size Front 18 x 7 x 12.13 in 18 x 7 x 12.13 in 18 x 8 x 12.13 in
Rear 15 x 5 x 11.25 in 15 x 5 x 11.25 in 15 x 5 x 11.25 in
Number of Wheels, Front/Rear 2x / 2 (dual) 2x / 2 (dual) 2x / 2 (dual)
Tread  Front 37 in 37 in 37.4 in
Rear 6.7 in 6.7 in 6.7 in

Dimensions

DIMENSIONS FB15MU-12 FB18MU-12 FB20MU-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 118.3 in 120.9 in 125.4 in 
Length to Fork Face 76.2 in 78.7 in 83.3 in
Overall Width at Drive Tires 43.8 in 43.8 in 45.8 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 120.5/125.3 in 122.8/127.7 in 127.4/132.4 in
Turning Radius, Outside 60.2 in 62.6 in 66.5 in

Performance

PERFORMANCE FB15MU-12 FB18MU-12 FB20MU-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 FB15MU-12 FB18MU-12 FB20MU-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 FB15MU-12 FB18MU-12 FB20MU-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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