Create a CEG Account  /  CEG Login
☰


Komatsu WB91R-2 Backhoe Loader Specs

The Komatsu WB91R-2 Backhoe Loader is a versatile and powerful machine designed for efficient digging, loading, and material handling tasks. With a backhoe bucket dig force of 7870.6 lbs and a maximum dig depth of 18.6 ft when extended, this backhoe loader can tackle a variety of excavation projects with ease. Equipped with a reliable 4D106-1FA engine providing a gross power of 90.8 hp, hydraulic system with a pump flow capacity of 43.6 gpm, and a loader bucket breakout force of 13405.4 lbs, the WB91R-2 offers exceptional performance and productivity for construction and utility work.


Backhoe

Komatsu WB91R-2 Backhoe Loader Backhoe specifications
Bucket Dig Force - Std 7,870.51 lbs (3,570.01 kg)
Dig Depth - Ext 18.54 ft (5.65 m)
Dig Depth - Std 14.77 ft (4.50 m)
Load Height - Ext 11.49 ft (3.50 m)
Load Height - Std 8.21 ft (2.50 m)
Reach At Load Height - Ext 21.49 ft (6.55 m)
Reach At Load Height - Std 18.21 ft (5.55 m)
Reach From Swivel - Ext 21.49 ft (6.55 m)
Reach From Swivel - Std 18.21 ft (5.55 m)

Dimensions

Komatsu WB91R-2 Backhoe Loader Dimensions specifications
Ground Clearance 1.42 ft (0.43 m)
Height To Top Of Suspended Cab 9.03 ft (2.75 m)
Transport Height 12.01 ft (3.66 m)
Transport Length 19.35 ft (5.90 m)
Transport Width 7.62 ft (2.32 m)
Wheelbase 7.14 ft (2.18 m)

Engine

Komatsu WB91R-2 Backhoe Loader Engine specifications
Aspiration natural
Displacement 269.30 cu in (4,413.05 cu cm)
Engine Make 2238
Engine Model 4D106-1FA
Gross Power 90.80 hp (67.71 kw)
Net Max Torque 228.70 lbs ft (310.07 nm)
Net Power 82.50 hp (61.52 kw)
Number Of Cylinders 4
Power Measured @ 2200 rpm
Torque Measured @ 1500 rpm

Hydraulic

Komatsu WB91R-2 Backhoe Loader Hydraulic specifications
Pump Flow Capacity 43.60 gpm (165.03 lpm)
Pump Type variable displacement axial piston
Relief Valve Pressure 2683.3 psi

Loader

Komatsu WB91R-2 Backhoe Loader Loader specifications
Bucket Breakout Force 13,405.36 lbs (6,080.58 kg)
Bucket Capacity 1.35 cu yd
Bucket Width 91.34 in (232.00 cm)
Clearance At Max Dump Height 9.03 ft (2.75 m)
Dig Depth 4.34 in (11.02 cm)
Lift Capacity At Full Height 9,303.51 lbs (4,220.01 kg)
Reach At Max Dump Height 2.47 ft (0.75 m)

Operational

Komatsu WB91R-2 Backhoe Loader Operational specifications
Alternator Supplied Amperage 60 amps
Cooling System Fluid Capacity 4.80 gal (18.17 l)
Front Axle Fluid Capacity 2.20 gal (8.33 l)
Fuel Capacity 34.40 gal (130.20 l)
Hydraulic System Fluid Capacity 24.40 gal (92.35 l)
Max Weight 18,915.70 lbs (8,580.03 kg)
Oil System Fluid Capacity 2.30 gal (8.71 l)
Operating Voltage 12 V
Operating Weight 4wd 16,534.70 lbs (7,500.02 kg)
Rear Axle Fluid Capacity 4.90 gal (18.55 l)
Rear Tires Size 2wd/4wd 16.9 x 28 - 10 PR
Tire Size Front - 2wd / 4wd 12.5/80 R18- 10 PR
Transmission Fluid Capacity 4.30 gal (16.28 l)
Turning Radius 17.90 ft (5.46 m)

Transmission

Komatsu WB91R-2 Backhoe Loader Transmission specifications
Max Speed - Forward 24.90 mph (40.07 kph)
Max Speed Reverse 24.90 mph (40.07 kph)
Number Of Forward Gears 4
Number Of Reverse Gears 4
Transmission Type full power shift, Electronic Gear Management
×

Stay Ahead of the Market

Get weekly equipment news, auction updates, and dealer insights — trusted by thousands of industry professionals.