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Komatsu WB93 Backhoe loaders tech specs

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Interior [2]
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1999-2005
130.2 liter Fuel cap
378 Nm Max torque
72.93 kw Net power
8,580 kg Operating weight
5.91 m Overall Length
2.35 m Overall Width

A backhoe loader with an 8,580 kg operating weight, the Komatsu WB93 combines 72.93 kilowatt net power with 378 Nm of torque for excavation, loading, trenching, and general site support work. With its 130.2 liter fuel tank, 5.91 m overall length, and 2.35 m overall width, it is suited for contractors who need a balanced backhoe loader with solid power, manageable dimensions, and practical daily-use capability.

Operating weight 8,580 kg

Net power 72.93 kilowatt

Maximum torque 378 Nm

Fuel tank capacity 130.2 liters

Overall length 5.91 m

Overall width 2.35 m

Available as WB93R-2 and WB93R-5 variants

Makana rating

Owner rating

 | 3

Market average

AED 240,000

Starting from

AED 150,000

Komatsu WB93 technical specifications

Highlight differences

Komatsu WB93R-2

Komatsu WB93R-5

Engine
Alternator supplied amperage 80 Amh
Alternator supplied amperage -
Aspiration Naturally aspirated
Aspiration Turbocharged-intercooled
Gross power 74.57 kw
Gross power 74.05 kw
Net power 72.93 kw
Net power -
Number of cylinders 4
Number of cylinders -
Power measured @ 2,200 rpm
Power measured @ -
Torque measured @ 1,600 rpm
Torque measured @ -
Bore -
Bore 10.41 cm
Stroke -
Stroke 13.21 cm
Years 1999-2005
Years 1999-2005
Market Average AED 240,000
Market Average AED 240,000
Price AED 150,000
Price AED 150,000
General
Backhoe digging depth 4.97 m
Backhoe digging depth 4.54 m
Bucket capacity 1.07 cu m
Bucket capacity 1.07 cu m
Bucket digging force 3,850.01 kg
Bucket digging force 6,098.01 kg
Bucket width 232 cm
Bucket width 232 cm
Displacement 4,413.05 cu cm
Displacement 4,485.01 cu cm
Engine model S4D106-2SFA
Engine model Komatsu S4D104E-3
Loader dump height 2.77 m
Loader dump height 2.74 m
Loader dump reach 0.76 m
Loader dump reach -
Max speed forward 40.07 kph
Max speed forward 40.07 kph
Max torque 378 Nm
Max torque -
Operating voltage 12 V
Operating voltage -
Operating weight 8,580 kg
Operating weight 7,460 kg
Transmission type full powershift 4WD
Transmission type Powershuttle
Wheelbase 2.19 m
Wheelbase -
Backhoe dump height -
Backhoe dump height 4.18 m
Lifting capacity -
Lifting capacity 1,500.03 kg
Backhoe
Backhoe reach from swivel 5.58 m
Backhoe reach from swivel 5.76 m
Loader
Breakout force 6,508.88 kg
Breakout force -
Loader digging depth 11.18 cm
Loader digging depth -
Service refill capacities
Cooling fluid cap 18.17 liter
Cooling fluid cap -
Front axle fluid capacity 8.33 liter
Front axle fluid capacity -
Fuel cap 130.2 liter
Fuel cap 150.26 liter
Hydraulic fluid cap 92.35 liter
Hydraulic fluid cap -
Rear axle fluid capacity 18.55 liter
Rear axle fluid capacity -
Transmission fluid cap 16.28 liter
Transmission fluid cap -
Refill capacities
Engine oil cap 8.71 liter
Engine oil cap -
Operating specifications
Extended backhoe digging depth 6.13 m
Extended backhoe digging depth 6.07 m
Extended backhoe dump height 4.85 m
Extended backhoe dump height 4.91 m
Extended backhoe dump reach 3.51 m
Extended backhoe dump reach -
Extended backhoe reach from swivel 6.55 m
Extended backhoe reach from swivel 6.74 m
Tires
Front tires size (2WD) 12.5/80 R18 - 10 PR
Front tires size (2WD) -
Rear tires size 16.9 x 28 - 10 PR
Rear tires size -
Dimensions
Ground clearance 0.46 m
Ground clearance -
Height - top of cab 2.77 m
Height - top of cab -
Overall Length 5.91 m
Overall Length -
Overall Width 2.35 m
Overall Width 2.35 m
Turning radius 5.46 m
Turning radius -
Transmission
Max speed reverse 40.07 kph
Max speed reverse 40.07 kph
Number of forward gears 4
Number of forward 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 type Variable flow, axial piston
Pump type -
Relief valve pressure 200 bar
Relief valve pressure 250 bar
Download datasheets
OEM product brochure

Komatsu WB93 expert review

Reviewed by Zafer R. on May 5, 2026

Overview

The Komatsu WB93 (1999–2005) is a mid-size backhoe loader designed for excavation, trenching, loading, backfilling, and general construction support. It delivers 72.93 kilowatt net power, 378 Nm torque, and an 8,580 kg operating weight, giving it a stable and practical profile for contractors who need dependable site performance.

Expert rating: 4 stars

Pros Strong 72.93 kilowatt net power and 378 Nm torque for reliable digging and loading work.
Cons Overall width of 2.35 m can limit convenience in narrow access areas.

Performance & Efficiency

The 72.93 kilowatt engine produces 378 Nm of torque, giving the WB93 solid performance for digging, loading, backfilling, and site preparation. Its 8,580 kg operating weight supports stability during heavier cycles, while the 130.2 liter fuel tank gives it practical range for regular construction work.

In Comparison

Komatsu WB70: Lighter and more manageable, but less powerful for demanding work.
Komatsu WB91: Similar operating weight and strong backhoe loader capability.
Komatsu WB93: Offers higher listed net power and a balanced setup for mixed digging and loading tasks.

Final Verdict

Rated 4 stars, the Komatsu WB93 is a capable backhoe loader with strong power, useful torque, and practical mid-size dimensions for construction and utility work.

Show less

Komatsu WB93 owner rating

Komatsu WB93 Backhoe loaders [1999-2005]

1999-2005

Overall rating

Based on 3 ratings

4.3
performance

4.0

fuel efficiency

4.0

safety

4.0

features

4.3

comfort

4.0

5 stars

33 %

4 stars

67 %

3 stars

0 %

2 stars

0 %

1 stars

0 %

Pros
Net power is strong for a backhoe loader in this class.
Cons
The 2.35 m width needs attention on narrow access jobs.
performance

3.0

fuel efficiency

4.0

safety

5.0

features

4.0

Pros
The 8,580 kg operating weight gives good stability while digging and loading.
Cons
It is not as easy to move around as lighter backhoe models.
performance

4.0

comfort

4.0

fuel efficiency

3.0

safety

3.0

features

4.0

Valuation

Last 12 month
1999

Komatsu WB93 similar models

Highlight differences
Komatsu WB93R-2
Komatsu WB70A-1
Komatsu WB91R-2
Engine
Alternator supplied amperage 80 Amh
Alternator supplied amperage 60 Amh
Alternator supplied amperage 60 Amh
Aspiration Naturally aspirated
Aspiration -
Aspiration Naturally aspirated
Gross power 74.57 kw
Gross power -
Gross power 67.71 kw
Net power 72.93 kw
Net power 52.8 kw
Net power 61.52 kw
Number of cylinders 4
Number of cylinders 4
Number of cylinders 4
Power measured @ 2,200 rpm
Power measured @ 2,500 rpm
Power measured @ 2,200 rpm
Torque measured @ 1,600 rpm
Torque measured @ 1,200 rpm
Torque measured @ 1,500 rpm
Years 1999-2005
Years 1996-2004
Years 1999-2006
Market Average AED 240,000
Market Average AED 190,000
Market Average AED 220,000
Price AED 150,000
Price AED 120,000
Price AED 140,000
General
Backhoe digging depth 4.97 m
Backhoe digging depth 3.69 m
Backhoe digging depth 4.51 m
Bucket capacity 1.07 cu m
Bucket capacity 0.76 cu m
Bucket capacity 1.07 cu m
Bucket digging force 3,850.01 kg
Bucket digging force 4,200.04 kg
Bucket digging force 3,570.05 kg
Bucket width 232 cm
Bucket width 185 cm
Bucket width 232 cm
Displacement 4,413.05 cu cm
Displacement 3,318.39 cu cm
Displacement 4,413.05 cu cm
Engine model S4D106-2SFA
Engine model 4D98E-1FA
Engine model 4D106-1FA
Loader dump height 2.77 m
Loader dump height 2.5 m
Loader dump height 2.77 m
Loader dump reach 0.76 m
Loader dump reach 0.88 m
Loader dump reach 0.76 m
Max speed forward 40.07 kph
Max speed forward 39.11 kph
Max speed forward 40.07 kph
Max torque 378 Nm
Max torque 251.09 Nm
Max torque 310.07 Nm
Operating voltage 12 V
Operating voltage 12 V
Operating voltage 12 V
Operating weight 8,580 kg
Operating weight 6,400 kg
Operating weight 8,580 kg
Transmission type full powershift 4WD
Transmission type Hydrostatic
Transmission type full powershift, Electronic Gear Management
Wheelbase 2.19 m
Wheelbase 2.16 m
Wheelbase 2.19 m
Backhoe
Backhoe reach from swivel 5.58 m
Backhoe reach from swivel 4.69 m
Backhoe reach from swivel 5.58 m
Loader
Breakout force 6,508.88 kg
Breakout force 4,397.04 kg
Breakout force 6,080.59 kg
Loader digging depth 11.18 cm
Loader digging depth 11.18 cm
Loader digging depth 11.18 cm
Service refill capacities
Cooling fluid cap 18.17 liter
Cooling fluid cap 15.14 liter
Cooling fluid cap 18.17 liter
Front axle fluid capacity 8.33 liter
Front axle fluid capacity 4.16 liter
Front axle fluid capacity 8.33 liter
Fuel cap 130.2 liter
Fuel cap 70.02 liter
Fuel cap 130.2 liter
Hydraulic fluid cap 92.35 liter
Hydraulic fluid cap 65.1 liter
Hydraulic fluid cap 92.35 liter
Rear axle fluid capacity 18.55 liter
Rear axle fluid capacity 5.3 liter
Rear axle fluid capacity 18.55 liter
Transmission fluid cap 16.28 liter
Transmission fluid cap -
Transmission fluid cap 16.28 liter
Refill capacities
Engine oil cap 8.71 liter
Engine oil cap 10.22 liter
Engine oil cap 8.71 liter
Operating specifications
Extended backhoe digging depth 6.13 m
Extended backhoe digging depth 4.42 m
Extended backhoe digging depth 5.67 m
Extended backhoe dump height 4.85 m
Extended backhoe dump height 3.63 m
Extended backhoe dump height 3.51 m
Extended backhoe dump reach 3.51 m
Extended backhoe dump reach 1.55 m
Extended backhoe dump reach 6.55 m
Extended backhoe reach from swivel 6.55 m
Extended backhoe reach from swivel 5.33 m
Extended backhoe reach from swivel 6.55 m
Tires
Front tires size (2WD) 12.5/80 R18 - 10 PR
Front tires size (2WD) 12.5 x 20
Front tires size (2WD) 12.5/80 R18- 10 PR
Rear tires size 16.9 x 28 - 10 PR
Rear tires size 12.5 x 20
Rear tires size 16.9 x 28 - 10 PR
Dimensions
Ground clearance 0.46 m
Ground clearance 0.46 m
Ground clearance 0.46 m
Height - top of cab 2.77 m
Height - top of cab 2.68 m
Height - top of cab 2.77 m
Overall Length 5.91 m
Overall Length -
Overall Length 5.91 m
Overall Width 2.35 m
Overall Width 1.86 m
Overall Width 2.35 m
Turning radius 5.46 m
Turning radius -
Turning radius 5.46 m
Transmission
Max speed reverse 40.07 kph
Max speed reverse 39.11 kph
Max speed reverse 40.07 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 116.2 lpm
Pump flow cap 165.03 lpm
Pump type Variable flow, axial piston
Pump type Tandem gear
Pump type Variable flow, axial piston
Relief valve pressure 200 bar
Relief valve pressure 200 bar
Relief valve pressure 185 bar

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