IC cushion forklift

BX50 Series

  • Tire type Cushion Cushion
  • Power type LPG LPG
  • Capacity 1 815 - 2 950 kg 4,000 - 6,500 lbs.
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Big power and performance

The BX50 series combines Komatsu’s long history of rigorous engineering in construction equipment with features designed to add cycles to every shift and reduce operating costs.

  • Fuel efficiency helps lower costs
  • Rugged, construction-inspired drivetrain
  • Designed for higher efficiency through improved operator comfort

Features and benefits

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Enhanced safety for employees and goods

The Komatsu Operator Presence System (KOPS) Plus, standard with BX50 series, locks out lift, lower, tilt and travel functions when the operator leaves the seat for more than three seconds. The forks cannot lower while the key is in the off position.
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High-efficiency drivetrain

Our expertise in construction is behind the BX50’s full floating drive train. High torque delivered by powerful engines is channeled through a heat dissipating aluminum transmission case and a rugged dust- and leak-resistant, double-seal U-joint design.
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Multiple solutions to reduce operator fatigue

The fully hydrostatic power steering (FHPS) system offers you easy steering even at slow speeds and is engineered to eliminate kickback. Further improving operator feel are a small-diameter steering wheel and optional spinner knob for one-handed control.
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Advanced ergonomic design

Designed to improve operator comfort and reduce fatigue, the Komatsu Komfort Zone is a dual floating structure: dampening mounts protect the frame from engine vibration; additional mounts isolate your operators from the frame. Sealed floorboard reduces engine noise and heat.
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Angled ports to manage exhaust and dust

Hot engine air, dust and exhaust can affect operators over time. The BX50 series’ angled ex-haust ports in the counterweight aim exhaust away while traveling in reverse. Exhaust vents low on the counterweight point away from the ground and don’t stir up dust.
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Excellent sightlines front and rear

An unrestricted view of the fork tips and surroundings for the operator. The thoughtfully de-signed EZ view mast, console and low-profile dash provide outstanding forward visibility. Upper corners of the counterweight are angled for clear sightlines in reverse.

Specifications for BX50

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US system Metric
General
GENERAL FG20ST-16 FG25ST-16 FG25SHT-16 FG30SHT-16 FG32SHT-16
Power Type LPG LPG LPG LPG LPG
Operation Type Sit-Down Sit-Down Sit-Down Sit-Down Sit-Down
Capacity @ 600 mm 
Load Center		 1 815 kg 2 270 kg 2 270 kg 2 725 kg 2 950 kg
Load Distance From
Center Axle (2 Stage)		 430 mm 430 mm 430 mm 440 mm 440 mm
Wheelbase 1 400 mm 1 400 mm 1 400 mm 1 450 mm 1 450 mm
GENERAL FG20ST-16 FG25ST-16 FG25SHT-16 FG30SHT-16 FG32SHT-16
Power Type LPG LPG LPG LPG LPG
Operation Type Sit-Down Sit-Down Sit-Down Sit-Down Sit-Down
Capacity @ 24 in.
Load Center		 4,000 lbs. 5,000 lbs. 5,000 lbs. 6,000 lbs. 6,500 lbs.
Load Distance From
Center Axle (2 Stage)		 16.9 in 16.9 in 16.9 in 17.3 in 17.3 in
Wheelbase 55.1 in 55.1 in 55.1 in 57.1 in 57.1 in
Weight
WEIGHT FG20ST-16 FG25ST-16 FG25SHT-16 FG30SHT-16 FG32SHT-16
Service Weight 3 310 kg 3 710 kg 3 710 kg 4 280 kg 4 500 kg
Axle Loading,
Loaded Front		 4 455 kg 5 140 kg 5 140 kg 6 015 kg 6 350 kg
Loaded Rear 670 kg 840 kg 840 kg 990 kg 1 100 kg
Unloaded Front 1 280 kg 1 180 kg 1 180 kg 1 300 kg 1 245 kg
Unloaded Rear 2 030 kg 2 530 kg 2 530 kg 2 980 kg 3 255 kg
WEIGHT FG20ST-16 FG25ST-16 FG25SHT-16 FG30SHT-16 FG32SHT-16
Service Weight 7,300 lbs. 8,180 lbs. 8,180 lbs. 9,440 lbs. 9,920 lbs.
Axle Loading,
Loaded Front		 9,820 lbs. 11,330 lbs. 11,330 lbs. 13,260 lbs. 14,000 lbs.
Loaded Rear 1,480 lbs. 1,850 lbs. 1,850 lbs. 2,180 lbs. 2,430 lbs.
Unloaded Front 2,820 lbs. 2,600 lbs. 2,600 lbs. 2,870 lbs. 2,740 lbs.
Unloaded Rear 4,480 lbs. 5,580 lbs. 5,580 lbs. 6,570 lbs. 7,180 lbs.
Tires
TIRES FG20ST-16 FG25ST-16 FG25SHT-16 FG30SHT-16 FG32SHT-16
Tire Type Cushion Cushion Cushion Cushion Cushion
Tire Size - Front 21 x 7 x 15 in 21 x 7 x 15 in 21 x 7 x 15 in 21 x 8 x 15 in 21 x 8 x 15 in
Rear 16.25 x 5 x 11.25 in 16.25 x 5 x 11.25 in 16.25 x 5 x 11.25 in 16.25 x 6 x 11.25 in 16.25 x 6 x 11.25 in
Number of Wheels,
Front/Rear		 2x / 2 2x / 2 2x / 2 2x / 2 2x / 2
Tread - Front 879 mm 879 mm 879 mm 895 mm 895 mm
Rear 900 mm 900 mm 900 mm 885 mm 885 mm
TIRES FG20ST-16 FG25ST-16 FG25SHT-16 FG30SHT-16 FG32SHT-16
Tire Type Cushion Cushion Cushion Cushion Cushion
Tire Size - Front 21 x 7 x 15 in 21 x 7 x 15 in 21 x 7 x 15 in 21 x 8 x 15 in 21 x 8 x 15 in
Rear 16.25 x 5 x 11.25 in 16.25 x 5 x 11.25 in 16.25 x 5 x 11.25 in 16.25 x 6 x 11.25 in 16.25 x 6 x 11.25 in
Number of Wheels, Front/Rear 2x / 2 2x / 2 2x / 2 2x / 2 2x / 2
Tread - Front 34.6 in 34.6 in 34.6 in 35.2 in 35.2 in
Rear 35.4 in 35.4 in 35.4 in 34.8 in 34.8 in
Dimensions
DIMENSIONS FG20ST-16 FG25ST-16 FG25SHT-16 FG30SHT-16 FG32SHT-16
Tilting Angle - 2 stage masts, Forward/Backward 6 / 8 deg 6 / 8 deg 6 / 8 deg 6 / 8 deg 6 / 8 deg
Tilting Angle - 3 stage masts, Forward/Backward 6 / 5 deg 6 / 5 deg  6 / 5 deg  6 / 5 deg  6 / 5 deg 
Mast Height , Lowered 2 170 mm 2 170 mm 2 170 mm 2 170 mm 2 250 mm
Mast Height, Extended 4 470 mm 4 470 mm 4 470 mm 4 470 mm 4 470 mm
Free Lift Height 140 mm 140 mm 140 mm 140 mm 140 mm
Maximum Fork Height 3 250 mm 3 250 mm 3 250 mm 3 250 mm 3 250 mm
Height Overhead Guard 2 055 mm 2 055 mm 2 055 mm 2 055 mm 2 055 mm
Length, with Standard Forks 3 375 mm 3 440 mm 3 440 mm 3 500 mm 3 535 mm
Length to Fork Face 2 305 mm 2 370 mm 2 370 mm 2 430 mm 2 465 mm
Overall Width at Drive Tires 1 070 mm 1 070 mm 1 070 mm 1 100 mm 1 100 mm
Forks,
Thickness x Width x Length		 40 x 100 x 1 070 mm 40 x 100 x 1 070 mm 40 x 100 x 1 070 mm 50 x 125 x 1 070 mm 50 x 125 x 1 070 mm
Carriage Width/ITA Class 940 mm / II 940 mm / II 940 mm / II 940 mm / II 940 mm / II
Ground Clearance, Under Mast 140 mm 140 mm 140 mm 140 mm 140 mm
Ground Clearance, Center of Wheelbase 100 mm 100 mm 100 mm 100 mm 100 mm
Right Angle Stacking Aisle 2 350 mm 2 400 mm 2 400 mm 2 510 mm 2 540 mm
Turning Radius, Outside 1 920 mm 1 970 mm 1 970 mm 2 070 mm 2 100 mm
DIMENSIONS FG20ST-16 FG25ST-16 FG25SHT-16 FG30SHT-16 FG32SHT-16
Tilting Angle - 2 stage masts, Forward/Backward 6 / 8 deg 6 / 8 deg 6 / 8 deg 6 / 8 deg 6 / 8 deg
Tilting Angle - 3 stage masts, Forward/Backward 6 / 5 deg 6 / 5 deg 6 / 5 deg 6 / 5 deg 6 / 5 deg
Mast Height , Lowered 85.5 in 85.5 in 85.5 in 85.5 in 88.5 in
Mast Height, Extended 176 in 176 in 176 in 176 in 176 in
Free Lift Height 5.5 in 5.5 in 5.5 in 5.5 in 5.5 in
Maximum Fork Height 128 in 128 in 128 in 128 in 128 in
Height Overhead Guard 80.9 in 80.9 in 80.9 in 80.9 in 80.9 in
Length, with Standard Forks 132.9 in 135.4 in 135.4 in 137.8 in 139.2 in
Length to Fork Face 90.7 in 93.3 in 93.3 in 95.7 in 97 in
Overall Width at Drive Tires 42.1 in 42.1 in 42.1 in 43.3 in 43.3 in
Forks,
Thickness x Width x Length		 1.6 x 4 x 42 in 1.6 x 4 x 42 in 1.6 x 4 x 42 in 2 x 5 x 42 in 2 x 6 x 42 in
Carriage Width/ITA Class 37 in / II 37 in / II 37 in / II 37 in / III 37 in / III
Ground Clearance, Under Mast 5.5 in 5.5 in 5.5 in 5.5 in 5.5 in
Ground Clearance, Center of Wheelbase 3.9 in 3.9 in 3.9 in 3.9 in 3.9 in
Right Angle Stacking Aisle 92.5 in 94.5 in 94.5 in 98.8 in 100 in
Turning Radius, Outside 75.6 in 77.6 in 77.6 in 81.5 in 82.7 in
Performance
PERFORMANCE FG20ST-16 FG25ST-16 FG25SHT-16 FG30SHT-16 FG32SHT-16
Travel Speed,
Loaded/Unloaded		 17.0 / 17.0 kph  17.0 / 17.0 kph 17.0 / 17.0 kph 17.0 / 17.0 kph 17.0 / 17.0 kph
Lifting Speed,
Loaded/Unloaded		 610 / 630 mm/s 610 / 630 mm/s 610 / 630 mm/s 530 / 630 mm/s 530 / 550 mm/s
Lowering Speed,
Loaded/Unloaded		 500 / 500 mm/s 500 / 500 mm/s 500 / 500 mm/s 500 / 500 mm/s 500 / 500 mm/s
Maximum Drawbar Pull,
Loaded		 19.3 kN 19.3 kN 24.5 kN 24.5 kN 23.0 kN
Maximum Gradeability 36% 30% 39% 31% 28.50%
Service Brake,
Operation/Control		 Foot / Hydraulic Foot / Hydraulic Foot / Hydraulic Foot / Hydraulic Foot / Hydraulic
Parking Brake,
Operation/Control		 Hand / Mechanic Hand / Mechanic Hand / Mechanic Hand / Mechanic Hand / Mechanic
Steering Type FHPS FHPS FHPS FHPS FHPS
PERFORMANCE FG20ST-16 FG25ST-16 FG25SHT-16 FG30SHT-16 FG32SHT-16
Travel Speed,
Loaded/Unloaded		 10.6 / 10.6 mph 10.6 / 10.6 mph 10.6 / 10.6 mph 10.6 / 10.6 mph 10.6 / 10.6 mph
Lifting Speed,
Loaded/Unloaded		 120 / 124 fpm 120 / 124 fpm 120 / 124 fpm 104.3 / 124 fpm 104.3 / 108 fpm
Lowering Speed,
Loaded/Unloaded		 98 / 98 fpm 98 / 98 fpm 98 / 98 fpm 98 / 98 fpm 98 / 98 fpm
Maximum Drawbar Pull,
Loaded		 4,300 lbs. 4,300 lbs. 5,500 lbs. 5,500 lbs. 5,200 lbs.
Maximum Gradeability 36% 30% 39% 31% 28.5%
Service Brake,
Operation/Control		 Foot / Hydraulic Foot / Hydraulic Foot / Hydraulic Foot / Hydraulic Foot / Hydraulic
Parking Brake,
Operation/Control		 Hand / Mechanic Hand / Mechanic Hand / Mechanic Hand / Mechanic Hand / Mechanic
Steering Type FHPS FHPS FHPS FHPS FHPS
Drive
DRIVE FG20ST-16 FG25ST-16 FG25SHT-16 FG30SHT-16 FG32SHT-16
Engine Manufacturer /
Engine Model		 GCT / K21 GCT / K21 GCT / K25 GCT / K25 GCT / K25
Rated Output
(SAE Net)		 40 kW @ 2 700 rpm 40 kW @ 2 700 rpm 44 kW @ 2 700 rpm 44 kW @ 2 700 rpm 44 kW @ 2 700 rpm
Maximum Torque
(SAE Net)		 151 Nm @ 2 000 rpm 151 Nm @ 2 000 rpm 185 Nm @ 2 000 rpm 185 Nm @ 2 000 rpm 185 Nm @ 2 000 rpm
# of Cylinders /
Displacement		 4 / 2 065 cm3 4 / 2 065 cm3 4 / 2 488 cm3 4 / 2 488 cm3 4 / 2 488 cm3
DRIVE FG20ST-16 FG25ST-16 FG25SHT-16 FG30SHT-16 FG32SHT-16
Engine Manufacturer /
Engine Model		 GCT / K21 GCT / K21 GCT / K25 GCT / K25 GCT / K25
Rated Output
(SAE Net)		 54 HP @ 2,700 rpm 54 HP @ 2,700 rpm 60 HP @ 2,700 rpm 60 HP @ 2,700 rpm 60 HP @ 2,700 rpm
Maximum Torque
(SAE Net)		 111 lbs.-ft. @ 2,000 rpm 111 lbs.-ft. @ 2,000 rpm 136 lbs.-ft. @ 2,000 rpm 136 lbs.-ft. @ 2,000 rpm 136 lbs.-ft. @ 2,000 rpm
# of Cylinders /
Displacement		 4 / 126 cu in 4 / 126 cu in 4 / 152 cu in 4 / 152 cu in 4 / 152 cu in
Other
OTHER FG20ST-16 FG25ST-16 FG25SHT-16 FG30SHT-16 FG32SHT-16
Relief Pressure,
Maximum		 181 bar 181 bar 181 bar 181 bar 181 bar
Transmission Powershift Powershift Powershift Powershift Powershift
Sound Level 82 dB 82 dB 83 dB 83 dB 83 dB
OTHER FG20ST-16 FG25ST-16 FG25SHT-16 FG30SHT-16 FG32SHT-16
Relief Pressure,
Maximum		 2,630 psi 2,630 psi 2,630 psi 2,630 psi 2,630 psi
Transmission Powershift Powershift Powershift Powershift Powershift
Sound Level 82 dB 82 dB 83 dB 83 dB 83 dB
  • Low profile dash display: Fuel Gauge, Water Temperature Gauge and Hour Meter
  • Indicator lights: Neutral/Return to Neutral, Low Oil Pressure, Low Battery/ Alternator, Hydraulic Lock (Operator Presence), Check Engine Warning and Maintenance Error Code
  • Drawbar Pin in Counterweight
  • Electronic Ignition, Anti-Restart Ignition Switch
  • Fully Hydrostatic Power Steering
  • LED Tail/Stop/Rear Turn Lights
  • High-Mount Air Intake
  • Horn with Actuator on Center of Steering Wheel
  • Three Piece Overhead Guard
  • Three Function Hydraulic Control Valve
  • Parking Brake with Double-Action Release
  • Tilting Steering Column
  • Large, Open Floor Space with Operator Compartment Suspended-Mount Pedals
  • Transmission Torque Converter Oil Cooler
  • Load Backrest
  • Spacious Step Area, Large Entry Handgrip and Wide Open Floor Space allows easy entry/exit to the Komfort Zone
  • Engine Protection System
  • ITA Class II or Class III Fork Carriage
  • ITA Class II or Class III Forks
  • Critical Wiring Harness Connectors are Waterproof
  • Contoured, Easy to Grip, Hydraulic Control Lever Knobs
  • Overhead Guard Mounted LED Headlights
  • Fold-Back LP Tank Bracket (Optional on FG20ST)
  • Full suspension seat with operator restraint system and orange seat belt is standard (Except FG20ST)
  • TIRES:
    • Drive, Lug Cushion
    • Steer, Lug Cushion
  • Low profile dash display: Fuel Gauge, Water Temperature Gauge and Hour Meter
  • Indicator lights: Neutral/Return to Neutral, Low Oil Pressure, Low Battery/ Alternator, Hydraulic Lock (Operator Presence), Check Engine Warning and Maintenance Error Code
  • Drawbar Pin in Counterweight
  • Electronic Ignition, Anti-Restart Ignition Switch
  • Fully Hydrostatic Power Steering
  • LED Tail/Stop/Rear Turn Lights
  • High-Mount Air Intake
  • Horn with Actuator on Center of Steering Wheel
  • Three Piece Overhead Guard
  • Three Function Hydraulic Control Valve
  • Parking Brake with Double-Action Release
  • Tilting Steering Column
  • Large, Open Floor Space with Operator Compartment Suspended-Mount Pedals
  • Transmission Torque Converter Oil Cooler
  • Load Backrest
  • Spacious Step Area, Large Entry Handgrip and Wide Open Floor Space allows easy entry/exit to the Komfort Zone
  • Engine Protection System
  • ITA Class II or Class III Fork Carriage
  • ITA Class II or Class III Forks
  • Critical Wiring Harness Connectors are Waterproof
  • Contoured, Easy to Grip, Hydraulic Control Lever Knobs
  • Overhead Guard Mounted LED Headlights
  • Fold-Back LP Tank Bracket (Optional on FG20ST)
  • Full suspension seat with operator restraint system and orange seat belt is standard (Except FG20ST)
  • TIRES:
    • Drive, Lug Cushion
    • Steer, Lug Cushion
  • Warning Lights & Audible Travel Alarms
  • Tilt Cylinder Boots
  • Cotton-Core Radiator
  • Spinner Knob Steering Wheel
  • Sideshifter - Integral or Hang-On
  • 4-Way Valve and Internal Hosing
  • Seats
  • Tires
  • Masts: 2-Stage, 3-Stage & 4-Stage
  • Fire Extinguisher
  • Attachments
  • Rear Assist Grip with Horn Button
  • FORKS:
    • 915 mm
    • 1,070 mm
    • 1,220 mm
    • 1,370 mm
    • 1,520 mm
    • 1,820 mm
  • Warning Lights & Audible Travel Alarms
  • Tilt Cylinder Boots
  • Cotton-Core Radiator
  • Spinner Knob Steering Wheel
  • Sideshifter - Integral or Hang-On
  • 4-Way Valve and Internal Hosing
  • Seats
  • Tires
  • Masts: 2-Stage, 3-Stage & 4-Stage
  • Fire Extinguisher
  • Attachments
  • Rear Assist Grip with Horn Button
  • FORKS:
    • 36 in.
    • 42 in.
    • 48 in. 
    • 54 in. 
    • 60 in. 
    • 72 in.

Gallery

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  • BX50 Cushion Poster Image.jpg
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