- Load Height - Std: 8.21 ft / 2500 mm
- Reach From Swivel - Std: 18.21 ft / 5550 mm
- Dig Depth - Std: 14.77 ft / 4500 mm
- Reach At Load Height - Std: 18.21 ft / 5550 mm
Published dimensions and weight
Komatsu WB91R-2
The Komatsu WB91R-2 is a loader backhoe of about 7.5 t, built around the 4D106-1FA engine.
01Published dimensions and weight
Dimensions reference
Measurement reference — not to scale
01Dimensions referenceLength × width × height
02Operating Weight 4wd16534.7 lb7500 kg
03Selected published values54
Loader backhoes are commonly used for digging, trenching, loading and general site work with one carrier. Published rows for Komatsu WB91R-2 include published bucket capacity of 1.35 yd3 / 1.03 m3, published engine power of 90.8 hp / 67.7 kw, published hydraulic flow of 43.6 gal/min / 165 L/min. These values describe the published configuration; verify the specific machine's configuration, attachments and records.
- Compare the published “Load Height - Std” field (8.21 ft / 2500 mm) with the specific machine's configuration and records; options and condition can differ.
- Compare the published “Reach From Swivel - Std” field (18.21 ft / 5550 mm) with the specific machine's configuration and records; options and condition can differ.
- Compare the published “Dig Depth - Std” field (14.77 ft / 4500 mm) with the specific machine's configuration and records; options and condition can differ.
02Specifications
Published values, clearly grouped.
Published specifications and measurements are organized by section for quick reference.
Backhoe
Load Height - Std8.21 ft2500 mm
Reach From Swivel - Std18.21 ft5550 mm
Dig Depth - Std14.77 ft4500 mm
Reach At Load Height - Std18.21 ft5550 mm
Load Height - Ext11.49 ft3500 mm
Bucket Dig Force - Std7870.51 lb3570 kg
Dig Depth - Ext18.54 ft5650 mm
Reach From Swivel - Ext21.49 ft6550 mm
Reach At Load Height - Ext21.49 ft6550 mm
Dimensions
Transport Length19.35 ft5895 mm
Transport Width7.62 ft2320 mm
Transport Height12.01 ft3660 mm
Wheelbase7.14 ft2175 mm
Ground Clearance1.42 ft430 mm
Height To Top Of Suspended Cab9.03 ft2750 mm
Loader
Clearance At Max Dump Height9.03 ft2750 mm
Reach At Max Dump Height2.47 ft750 mm
Dig Depth4.34 in110 mm
Bucket Breakout Force13405.36 lb59.63 kN
Bucket Width91.34 in2320 mm
Bucket Capacity1.35 yd31.03 m3
Lift Capacity At Full Height9303.51 lb4220 kg
Engine
Number Of Cylinders44
Engine Make22382238
Engine Model4D106-1FA4D106-1FA
Gross Power90.8 hp67.7 kw
Net Power82.5 hp61.5 kw
Power Measured @2200 rpm2200 rpm
Torque Measured @1500 rpm1500 rpm
Net Max Torque228.7 lb ft310 Nm
Aspirationnaturalnatural
Displacement269.3 cu in4.5 L
Operational
Fuel Capacity34.4 gal130 L
Operating Weight 4wd16534.7 lb7500 kg
Max Weight18915.7 lb8580 kg
Hydraulic System Fluid Capacity24.4 gal92 L
Oil System Fluid Capacity2.3 gal8.6 L
Cooling System Fluid Capacity4.8 gal18 L
Transmission Fluid Capacity4.3 gal16 L
Front Axle Fluid Capacity2.2 gal8.2 L
Rear Axle Fluid Capacity4.9 gal18.5 L
Turning Radius17.9 ft5450 mm
Tire Size Front - 2wd / 4wd12.5/80 R18- 10 PR12.5/80 R18- 10 PR
Rear Tires Size 2wd/4wd16.9 x 28 - 10 PR16.9 x 28 - 10 PR
Operating Voltage12 V12 V
Alternator Supplied Amperage60 amps60 amps
Transmission
Transmission Typefull power shift, Electronic Gear Managementfull power shift, Electronic Gear Management
Number Of Forward Gears44
Number Of Reverse Gears44
Max Speed - Forward24.9 mph40 km/h
Max Speed Reverse24.9 mph40 km/h
Hydraulic
Pump Typevariable displacement axial pistonvariable displacement axial piston
Pump Flow Capacity43.6 gal/min165 L/min
Relief Valve Pressure2683.3 psi18500 kPa
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Manufacturer-published specifications.