Komatsu WB91R-2 Backhoe Loader

Backhoe

Load Height – Std 8.21 ft in (2500 mm)
Reach From Swivel – Std 18.21 ft in (5550 mm)
Dig Depth – Std 14.77 ft in (4500 mm)
Reach At Load Height – Std 18.21 ft in (5550 mm)
Load Height – Ext 11.49 ft in (3500 mm)
Bucket Dig Force – Std 7870.51 lb (3570 kg)
Dig Depth – Ext 18.54 ft in (5650 mm)
Reach From Swivel – Ext 21.49 ft in (6550 mm)
Reach At Load Height – Ext 21.49 ft in (6550 mm)

Dimensions

Transport Length 19.35 ft in (5895 mm)
Transport Width 7.62 ft in (2320 mm)
Transport Height 12.01 ft in (3660 mm)
Wheelbase 7.14 ft in (2175 mm)
Ground Clearance 1.42 ft in (430 mm)
Height To Top Of Suspended Cab 9.03 ft in (2750 mm)

Loader

Clearance At Max Dump Height 9.03 ft in (2750 mm)
Reach At Max Dump Height 2.47 ft in (750 mm)
Dig Depth 4.34 in (110 mm)
Bucket Breakout Force 13405.36 lb (59.63 kN)
Bucket Width 91.34 in (2320 mm)
Bucket Capacity 1.35 yd3 (1.03 m3)
Lift Capacity At Full Height 9303.51 lb (4220 kg)

Engine Details

Number Of Cylinders 4
Engine Make Komatsu
Engine Model 4D106-1FA
Gross Power 90.8 hp (67.7 kw)
Net Power 82.5 hp (61.5 kw)
Power Measured @ 2200 rpm
Torque Measured @ 1500 rpm
Net Max Torque 228.7 lb ft (310 Nm)
Aspiration natural
Displacement 269.3 cu in (4.5 L)

Operational Specs

Fuel Tank Capacity 34.4 gal (130 L)
Operating Weight 4wd 16534.7 lb (7500 kg)
Max Weight 18915.7 lb (8580 kg)
Hydraulic System Fluid Capacity 24.4 gal (92 L)
Oil System Fluid Capacity 2.3 gal (8.6 L)
Cooling System Fluid Capacity 4.8 gal (18 L)
Transmission Fluid Capacity 4.3 gal (16 L)
Front Axle Fluid Capacity 2.2 gal (8.2 L)
Rear Axle Fluid Capacity 4.9 gal (18.5 L)
Turning Radius 17.9 ft in (5450 mm)
Tire Size Front – 2wd / 4wd 12.5/80 R18- 10 PR
Rear Tires Size 2wd/4wd 16.9 x 28 – 10 PR
Operating Voltage 12 V
Alternator Supplied Amperage 60 amps

Transmission

Transmission Type full power shift, Electronic Gear Management
Number Of Forward Gears 4
Number Of Reverse Gears 4
Max Speed – Forward 24.9 mph (40 km/h)
Max Speed Reverse 24.9 mph (40 km/h)

Hydraulic

Pump Type variable displacement axial piston
Pump Flow Capacity 43.6 gal/min (165 L/min)
Relief Valve Pressure 2683.3 psi (18500 kPa)
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