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Komatsu WB156 Backhoe loaders tech specs

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Interior [2]
Exterior [4]
Attachments [2]
2006-2013
150.26 liter Fuel cap
413.52 Nm Max torque
70.84 kw Net power
7,498 kg Operating weight
7.53 m Overall Length
2.38 m Overall Width

A backhoe loader with a 7,498 kg operating weight, the Komatsu WB156 combines 70.84 kilowatt net power with 413.52 Nm of torque for excavation, loading, trenching, and general construction support. With its 150.26 liter fuel tank, 7.53 m overall length, and 2.38 m overall width, it is built for contractors who need a strong, stable machine with enough power for daily site work without moving into a heavier equipment class.

Operating weight 7,498 kg

Net power 70.84 kilowatt

Maximum torque 413.52 Nm

Fuel tank capacity 150.26 liters

Overall length 7.53 m

Overall width 2.38 m

Available as WB156-5 and WB156PS-5 variants

Makana rating

Owner rating

 | 3

Market average

AED 320,000

Starting from

AED 210,000

Komatsu WB156 technical specifications

Highlight differences

Komatsu WB156-5

Komatsu WB156PS-5

Engine
Alternator supplied amperage 95 Amh
Alternator supplied amperage 95 Amh
Aspiration Turbocharged
Aspiration Turbocharged
Gross power 73.83 kw
Gross power 73.83 kw
Net power 70.84 kw
Net power 70.84 kw
Number of cylinders 4
Number of cylinders 4
Power measured @ 2,200 rpm
Power measured @ 2,200 rpm
Torque measured @ 1,500 rpm
Torque measured @ 1,500 rpm
Years 2006-2013
Years 2006-2013
Market Average AED 320,000
Market Average AED 320,000
Price AED 210,000
Price AED 210,000
General
Backhoe digging depth 4.75 m
Backhoe digging depth 4.69 m
Backhoe dump height 3.78 m
Backhoe dump height -
Bucket capacity 0.99 cu m
Bucket capacity 0.99 cu m
Bucket width 235 cm
Bucket width 198 cm
Displacement 4,506.45 cu cm
Displacement 4,506.45 cu cm
Engine model S4D102LE-2
Engine model S4D102LE-2
Loader dump height 2.65 m
Loader dump height 4.45 m
Loader dump reach 0.76 m
Loader dump reach 3.78 m
Max speed forward 37.82 kph
Max speed forward 40.07 kph
Max torque 413.52 Nm
Max torque 413.52 Nm
Operating voltage 12 V
Operating voltage 12 V
Operating weight 7,498 kg
Operating weight 8,046 kg
Transmission type synchronized gearbox, powershift shuttle
Transmission type twist grip or electronic gear EGMTM
Wheelbase 2.19 m
Wheelbase 2.19 m
Bucket digging force -
Bucket digging force 889.04 kg
Lifting capacity -
Lifting capacity 3,899.99 kg
Backhoe
Backhoe reach from swivel 6.04 m
Backhoe reach from swivel 6.07 m
Loader
Breakout force 5,998.31 kg
Breakout force 6,125.77 kg
Loader digging depth 13.97 cm
Loader digging depth 13.97 cm
Service refill capacities
Cooling fluid cap 14 liter
Cooling fluid cap 14 liter
Front axle fluid capacity 7.19 liter
Front axle fluid capacity 7.57 liter
Fuel cap 150.26 liter
Fuel cap 150.26 liter
Hydraulic fluid cap 97.27 liter
Hydraulic fluid cap 97.27 liter
Rear axle fluid capacity 14.76 liter
Rear axle fluid capacity 14.76 liter
Transmission fluid cap 20.44 liter
Transmission fluid cap 20.44 liter
Refill capacities
Engine oil cap 9.08 liter
Engine oil cap 9.08 liter
Operating specifications
Extended backhoe digging depth 5.97 m
Extended backhoe digging depth 5.97 m
Extended backhoe dump height 4.45 m
Extended backhoe dump height 4.45 m
Extended backhoe reach from swivel 7.19 m
Extended backhoe reach from swivel 7.16 m
Extended backhoe dump reach -
Extended backhoe dump reach 4.27 m
Dimensions
Ground clearance 0.46 m
Ground clearance 0.46 m
Height - top of cab 2.96 m
Height - top of cab 2.96 m
Overall Length 7.53 m
Overall Length 7.5 m
Overall Width 2.38 m
Overall Width 2.38 m
Turning radius 3.41 m
Turning radius 3.99 m
Transmission
Max speed reverse 37.82 kph
Max speed reverse 23.01 kph
Number of forward gears 4
Number of forward gears 4
Number of reverse gears 4
Number of reverse gears 3
Hydraulic system
Pump flow cap 165.03 lpm
Pump flow cap 165.03 lpm
Pump type Variable flow, axial piston
Pump type Variable flow, axial piston
Relief valve pressure 244.97 bar
Relief valve pressure 241.31 bar
Download datasheets
OEM product brochure

Komatsu WB156 expert review

Reviewed by Hussain E. on May 5, 2026

Overview

The Komatsu WB156 (2006–2013) is a mid-size backhoe loader designed for excavation, loading, trenching support, and general construction work. It delivers 70.84 kilowatt net power, 413.52 Nm torque, and a 7,498 kg operating weight, giving it a stable and capable working profile for contractors.

Expert rating: 5 stars

Pros Strong 413.52 Nm torque and 7,498 kg operating weight give it stable digging and loading performance.
Cons Overall length of 7.53 m may limit convenience in very tight working areas.

Performance & Efficiency

The 70.84 kilowatt engine produces 413.52 Nm of torque, giving the WB156 dependable force for digging, loading, backfilling, and jobsite support. Its 150.26 liter fuel tank helps support longer work periods, while the 7,498 kg operating weight gives the machine useful stability during heavier cycles.

In Comparison

Komatsu WB146: Smaller and easier to manage for lighter backhoe loader tasks.
Komatsu WB150: Comparable mid-size option with solid construction-site capability.
Komatsu WB156: Stronger torque output and balanced size for contractors needing more pull and stability.

Final Verdict

Rated 5 stars, the Komatsu WB156 is a capable backhoe loader within the AED 210,000–320,000 range, offering strong torque, practical weight, and reliable site performance for construction and utility work.

Show less

Komatsu WB156 owner rating

Komatsu WB156 Backhoe loaders [2006-2013]

2006-2013

Overall rating

Based on 3 ratings

4.3
performance

4.3

comfort

4.7

fuel efficiency

4.3

safety

4.3

features

4.0

5 stars

33 %

4 stars

67 %

3 stars

0 %

2 stars

0 %

1 stars

0 %

Pros
Strong torque helps when digging or pushing through tougher ground.
Cons
The machine is not the easiest to handle in very tight spaces.
performance

4.0

comfort

5.0

fuel efficiency

4.0

safety

5.0

features

4.0

Valuation

Last 12 month
2006

Komatsu WB156 similar models

Highlight differences
Komatsu WB156-5
Komatsu WB146-5
Komatsu WB150-2N
Engine
Alternator supplied amperage 95 Amh
Alternator supplied amperage 95 Amh
Alternator supplied amperage 80 Amh
Aspiration Turbocharged
Aspiration Turbocharged
Aspiration Turbocharged
Gross power 73.83 kw
Gross power 69.05 kw
Gross power 74.57 kw
Net power 70.84 kw
Net power 66.07 kw
Net power 70.1 kw
Number of cylinders 4
Number of cylinders 4
Number of cylinders 4
Power measured @ 2,200 rpm
Power measured @ 2,200 rpm
Power measured @ 2,200 rpm
Torque measured @ 1,500 rpm
Torque measured @ 1,500 rpm
Torque measured @ 1,400 rpm
Bore -
Bore -
Bore 10.67 cm
Engine make -
Engine make -
Engine make Komatsu
Stroke -
Stroke -
Stroke 12.7 cm
Years 2006-2013
Years 2006-2013
Years 1999-2006
Market Average AED 320,000
Market Average AED 270,000
Market Average AED 290,000
Price AED 210,000
Price AED 180,000
Price AED 190,000
General
Backhoe digging depth 4.75 m
Backhoe digging depth 4.45 m
Backhoe digging depth 4.75 m
Backhoe dump height 3.78 m
Backhoe dump height 3.69 m
Backhoe dump height 2.87 m
Bucket capacity 0.99 cu m
Bucket capacity 0.99 cu m
Bucket capacity 0.99 cu m
Bucket width 235 cm
Bucket width 235 cm
Bucket width 235 cm
Displacement 4,506.45 cu cm
Displacement 4,506.45 cu cm
Displacement 4,401.58 cu cm
Engine model S4D102LE-2
Engine model S4D102LE-2
Engine model S4D106-2SFA
Loader dump height 2.65 m
Loader dump height 2.65 m
Loader dump height 2.74 m
Loader dump reach 0.76 m
Loader dump reach 0.76 m
Loader dump reach 2.87 m
Max speed forward 37.82 kph
Max speed forward 37.82 kph
Max speed forward 37.82 kph
Max torque 413.52 Nm
Max torque 406.74 Nm
Max torque 348.03 Nm
Operating voltage 12 V
Operating voltage 12 V
Operating voltage 12 V
Operating weight 7,498 kg
Operating weight 7,300 kg
Operating weight 8,949 kg
Transmission type synchronized gearbox, powershift shuttle
Transmission type synchronized gearbox, powershift shuttle
Transmission type -
Wheelbase 2.19 m
Wheelbase 2.19 m
Wheelbase 2.19 m
Bucket digging force -
Bucket digging force -
Bucket digging force 4,241.09 kg
Backhoe
Backhoe reach from swivel 6.04 m
Backhoe reach from swivel 5.76 m
Backhoe reach from swivel -
Loader
Breakout force 5,998.31 kg
Breakout force 5,998.31 kg
Breakout force 6,270.92 kg
Loader digging depth 13.97 cm
Loader digging depth 13.97 cm
Loader digging depth 9.14 cm
Service refill capacities
Cooling fluid cap 14 liter
Cooling fluid cap 14 liter
Cooling fluid cap 14 liter
Front axle fluid capacity 7.19 liter
Front axle fluid capacity 7.19 liter
Front axle fluid capacity 8.71 liter
Fuel cap 150.26 liter
Fuel cap 150.26 liter
Fuel cap -
Hydraulic fluid cap 97.27 liter
Hydraulic fluid cap 97.27 liter
Hydraulic fluid cap 92.35 liter
Rear axle fluid capacity 14.76 liter
Rear axle fluid capacity 14.76 liter
Rear axle fluid capacity 17.79 liter
Transmission fluid cap 20.44 liter
Transmission fluid cap 20.44 liter
Transmission fluid cap -
Refill capacities
Engine oil cap 9.08 liter
Engine oil cap 9.08 liter
Engine oil cap 7.95 liter
Operating specifications
Extended backhoe digging depth 5.97 m
Extended backhoe digging depth 5.55 m
Extended backhoe digging depth 5.61 m
Extended backhoe dump height 4.45 m
Extended backhoe dump height 4.39 m
Extended backhoe dump height -
Extended backhoe reach from swivel 7.19 m
Extended backhoe reach from swivel 6.77 m
Extended backhoe reach from swivel -
Dump angle -
Dump angle -
Dump angle 45 º
Extended backhoe dump reach -
Extended backhoe dump reach -
Extended backhoe dump reach 3.81 m
Dimensions
Ground clearance 0.46 m
Ground clearance 0.46 m
Ground clearance 0.34 m
Height - top of cab 2.96 m
Height - top of cab 2.96 m
Height - top of cab 2.77 m
Overall Length 7.53 m
Overall Length 7.44 m
Overall Length 7.32 m
Overall Width 2.38 m
Overall Width 2.38 m
Overall Width 2.38 m
Turning radius 3.41 m
Turning radius 3.41 m
Turning radius 4.33 m
Front tread range -
Front tread range -
Front tread range 189.23 cm
Rear tread range -
Rear tread range -
Rear tread range 180.09 cm
Transmission
Max speed reverse 37.82 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 165.03 lpm
Pump flow cap 165.03 lpm
Pump flow cap 165.03 lpm
Pump type Variable flow, axial piston
Pump type Variable flow, axial piston
Pump type Closed center, load sensing
Relief valve pressure 244.97 bar
Relief valve pressure 244.97 bar
Relief valve pressure 220.63 bar
Tires
Front tires size (2WD) -
Front tires size (2WD) 14 x 17.5 10ply R4
Front tires size (2WD) -
Rear tires size -
Rear tires size 19.5 x 24 10ply R4
Rear tires size -

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build datetime: 6/9/2026, 1:26:42 PM