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Komatsu WB91R-2 Backhoe Loader


Bucket Dig Force 7870.6 lbs (3,570 kg)
Dig Depth14.8 ft (4 m)
Dig Depth - Extended18.6 ft (5 m)
Load Height8.3 ft (2 m)
Load Height - Extended11.5 ft (3 m)
Reach at Load Height - Extended21.5 ft (6 m)
Reach From Swivel 18.3 ft (5 m)
Reach From Swivel - Extended21.5 ft (6 m)


Ground Clearance1.5 ft (0 m)
Height to Top of Suspended Cab9.1 ft (3 m)
Transport Length19.4 ft (6 m)
Transport Width7.7 ft (2 m)
Wheelbase7.2 ft (2 m)


Displacement269.3 cu in (0 m)
Engine Model4D106-1FA
Gross Power90.8 hp (67 kw)
Net Max Torque228.7 lbs/ft
Net Power82.5 hp (61 kw)
Number of Cylinders4
Power Measured @2200 rpm
Torque Measured @1500 rpm

Hydraulic System

Pump Flow Capacity43.6 gal/min (163 l/min)
Pump Typevariable displacement axial piston
Relief Valve Pressure2683.3 psi


Bucket Breakout Force13405.4 lbs (6,081 kg)
Bucket Capacity1.4 cu yds (1 m)
Bucket Width91.4 in (231 cm)
Clearance at Max Dump Height9.1 ft (3 m)
Dig Depth4.4 in (10 cm)
Reach at Max Dump Height2.5 ft (1 m)

Operating Specifications

Alternator Supplied Amperage60 A
Cooling System Fluid Capacity4.8 gal (15 l)
Front Axle Fluid Capacity2.2 gal (8 l)
Fuel Capacity34.4 gal (129 l)
Hydraulic System Fluid Capacity24.4 gal (91 l)
Max Weight18915.7 lbs (8,580 kg)
Oil System Fluid Capacity2.3 gal (8 l)
Operating Voltage12 V V
Operating Weight 4wd16534.7 lbs (7,500 kg)
Rear Axle Fluid Capacity4.9 gal (15 l)
Tire Size Front - 2wd / 4wd12.5/80 R18- 10 PR
Transmission Fluid Capacity4.3 gal (15 l)
Turning Radius17.9 ft (5 m)


Rear Tires Size16.9 x 28 - 10 PR


Max Speed24.9 mph (39 kph)
Max Speed - Reverse24.9 mph (39 kph)
Number of Forward Gears4
Number of Reverse Gears4
Transmission Typefull power shift, Electronic Gear Management

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39.04690 \\ -77.49030 \\ Ashburn \\ PA