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Komatsu WB70 Backhoe loaders tech specs

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Interior [3]
Exterior [4]
Attachments [2]
1996-2004
3.69 m Backhoe digging depth
70.02 liter Fuel cap
251.09 Nm Max torque
52.8 kw Net power
6,400 kg Operating weight
1.86 m Overall Width
Show features

Makana rating

Market average

AED 190,000

Starting from

AED 120,000

Komatsu WB70 Technical specifications

Engine

Alternator supplied amperage

60 Amh

Displacement

3318.39 cu cm

Max torque

251.09 Nm

Net power

52.8 kw

Number of cylinders

4

Power measured @

2,500 rpm

Torque measured @

1,200 rpm

Backhoe

Backhoe digging depth

3.69 m

Backhoe reach from swivel

4.69 m

Loader

Breakout force

4397.04 kg

Loader digging depth

11.18 cm

Loader dump height

2.5 m

Loader dump reach

0.88 m

General

Bucket capacity

0.76 cu m

Bucket width

185 cm

Engine model

4D98E-1FA

Max speed forward

39.11 kph

Operating voltage

12 V

Operating weight

6,400 kg

Transmission type

Hydrostatic

Attachments

Bucket digging force

4200.04 kg

Service refill capacities

Cooling fluid cap

15.14 liter

Front axle fluid capacity

4.16 liter

Fuel cap

70.02 liter

Hydraulic fluid cap

65.1 liter

Rear axle fluid capacity

5.3 liter

Refill capacities

Engine oil cap

10.22 liter

Operating specifications

Extended backhoe digging depth

4.42 m

Extended backhoe dump height

3.63 m

Extended backhoe dump reach

1.55 m

Extended backhoe reach from swivel

5.33 m

Tires

Front tires size (2WD)

12.5 x 20

Rear tires size

12.5 x 20

Dimensions

Ground clearance

0.46 m

Height - top of cab

2.68 m

Overall Width

1.86 m

Wheelbase

2.16 m

Transmission

Max speed reverse

39.11 kph

Number of forward gears

4

Number of reverse gears

4

Hydraulic system

Pump flow cap

116.2 lpm

Pump type

Tandem gear

Relief valve pressure

200 bar

View more
Download datasheets
OEM product brochure

Komatsu WB70 similar models

Highlight differences
Komatsu WB70A-1
WB70A-1
Komatsu WB150-2N
WB150-2N
Komatsu WB156-5
WB156-5
Engine
Alternator supplied amperage 60 Amh
Alternator supplied amperage 80 Amh
Alternator supplied amperage 95 Amh
Displacement 3,318.39 cu cm
Displacement 4,401.58 cu cm
Displacement 4,506.45 cu cm
Max torque 251.09 Nm
Max torque 348.03 Nm
Max torque 413.52 Nm
Net power 52.8 kw
Net power 70.1 kw
Net power 70.84 kw
Number of cylinders 4
Number of cylinders 4
Number of cylinders 4
Power measured @ 2,500 rpm
Power measured @ 2,200 rpm
Power measured @ 2,200 rpm
Torque measured @ 1,200 rpm
Torque measured @ 1,400 rpm
Torque measured @ 1,500 rpm
Aspiration -
Aspiration Turbocharged
Aspiration Turbocharged
Bore -
Bore 10.67 cm
Bore -
Engine make -
Engine make Komatsu
Engine make -
Gross power -
Gross power 74.57 kw
Gross power 73.83 kw
Stroke -
Stroke 12.7 cm
Stroke -
Years 1996-2004
Years 1999-2006
Years 2006-2013
Market Average AED 190,000
Market Average AED 290,000
Market Average AED 320,000
Price AED 120,000
Price AED 190,000
Price AED 210,000
Backhoe
Backhoe digging depth 3.69 m
Backhoe digging depth 4.75 m
Backhoe digging depth 4.75 m
Backhoe reach from swivel 4.69 m
Backhoe reach from swivel -
Backhoe reach from swivel 6.04 m
Backhoe dump height -
Backhoe dump height 2.87 m
Backhoe dump height 3.78 m
Loader
Breakout force 4,397.04 kg
Breakout force 6,270.92 kg
Breakout force 5,998.31 kg
Loader digging depth 11.18 cm
Loader digging depth 9.14 cm
Loader digging depth 13.97 cm
Loader dump height 2.5 m
Loader dump height 2.74 m
Loader dump height 2.65 m
Loader dump reach 0.88 m
Loader dump reach 2.87 m
Loader dump reach 0.76 m
General
Bucket capacity 0.76 cu m
Bucket capacity 0.99 cu m
Bucket capacity 0.99 cu m
Bucket width 185 cm
Bucket width 235 cm
Bucket width 235 cm
Engine model 4D98E-1FA
Engine model S4D106-2SFA
Engine model S4D102LE-2
Max speed forward 39.11 kph
Max speed forward 37.82 kph
Max speed forward 37.82 kph
Operating voltage 12 V
Operating voltage 12 V
Operating voltage 12 V
Operating weight 6,400 kg
Operating weight 8,949 kg
Operating weight 7,498 kg
Transmission type Hydrostatic
Transmission type -
Transmission type synchronized gearbox, powershift shuttle
Attachments
Bucket digging force 4,200.04 kg
Bucket digging force 4,241.09 kg
Bucket digging force -
Service refill capacities
Cooling fluid cap 15.14 liter
Cooling fluid cap 14 liter
Cooling fluid cap 14 liter
Front axle fluid capacity 4.16 liter
Front axle fluid capacity 8.71 liter
Front axle fluid capacity 7.19 liter
Fuel cap 70.02 liter
Fuel cap -
Fuel cap 150.26 liter
Hydraulic fluid cap 65.1 liter
Hydraulic fluid cap 92.35 liter
Hydraulic fluid cap 97.27 liter
Rear axle fluid capacity 5.3 liter
Rear axle fluid capacity 17.79 liter
Rear axle fluid capacity 14.76 liter
Transmission fluid cap -
Transmission fluid cap -
Transmission fluid cap 20.44 liter
Refill capacities
Engine oil cap 10.22 liter
Engine oil cap 7.95 liter
Engine oil cap 9.08 liter
Operating specifications
Extended backhoe digging depth 4.42 m
Extended backhoe digging depth 5.61 m
Extended backhoe digging depth 5.97 m
Extended backhoe dump height 3.63 m
Extended backhoe dump height -
Extended backhoe dump height 4.45 m
Extended backhoe dump reach 1.55 m
Extended backhoe dump reach 3.81 m
Extended backhoe dump reach -
Extended backhoe reach from swivel 5.33 m
Extended backhoe reach from swivel -
Extended backhoe reach from swivel 7.19 m
Dump angle -
Dump angle 45 º
Dump angle -
Tires
Front tires size (2WD) 12.5 x 20
Front tires size (2WD) -
Front tires size (2WD) -
Rear tires size 12.5 x 20
Rear tires size -
Rear tires size -
Dimensions
Ground clearance 0.46 m
Ground clearance 0.34 m
Ground clearance 0.46 m
Height - top of cab 2.68 m
Height - top of cab 2.77 m
Height - top of cab 2.96 m
Overall Width 1.86 m
Overall Width 2.38 m
Overall Width 2.38 m
Wheelbase 2.16 m
Wheelbase 2.19 m
Wheelbase 2.19 m
Front tread range -
Front tread range 189.23 cm
Front tread range -
Rear tread range -
Rear tread range 180.09 cm
Rear tread range -
Overall Length -
Overall Length 7.32 m
Overall Length 7.53 m
Turning radius -
Turning radius 4.33 m
Turning radius 3.41 m
Transmission
Max speed reverse 39.11 kph
Max speed reverse 37.82 kph
Max speed reverse 37.82 kph
Number of forward gears 4
Number of forward gears 4
Number of forward gears 4
Number of reverse gears 4
Number of reverse gears 4
Number of reverse gears 4
Hydraulic system
Pump flow cap 116.2 lpm
Pump flow cap 165.03 lpm
Pump flow cap 165.03 lpm
Pump type Tandem gear
Pump type Closed center, load sensing
Pump type Variable flow, axial piston
Relief valve pressure 200 bar
Relief valve pressure 220.63 bar
Relief valve pressure 244.97 bar

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build datetime: 3/9/2026, 7:55:59 AM