PC18MR-3 Komatsu excavator specs & dimensions (2008 - 2021)

Komatsu PC18MR-3 is a mini excavator manufactured from 2008 to 2021, with a weight of 2.07 tons. It features a track width of 230 …

Komatsu PC18MR-3 is a mini excavator manufactured from 2008 to 2021, with a weight of 2.07 tons. It features a track width of 230 mm and has transport dimensions of 3.7 meters in length, 1.3 meters in width, and 2.32 meters in height. The maximum horizontal reach is 3.95 meters. The bucket width is 0.45 meters, with a bucket capacity ranging from 0.03 to 0.06 cubic meters. Special equipment includes a blade, rubber track, and track adjustment.

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Technical specs - PC18MR-3 Komatsu

Specification

Notice: Every data listed is verified by LECTURA Specs team experts. However, incomplete data and mistakes might occur. Contact our team with any change suggestion.

Weight
2.07 t
Transport length
3.7 m
Transport width
1.3 m
Transport height
2.32 m
Bucket capacity min.
0.03 m³
Bucket capacity max.
0.06 m³
Bucket width
0.45 m
Track width
230 mm
Driver protection
KbR
Max. Reach horizontal
3.95 m
Dredging depth
2.16 m
Tear-out force
9.9 kN
Model series
PC
Engine manuf.
Komatsu
Engine type
3D67E 2A
Engine power
11.6 kW
Displacement
0.78 l
Revolutions at max torque
1800 rpm
Max. torque
44.1 Nm
No. of cylinders
3

More technical details, like: bucket capacity, standard tyres, dimension lxwxh, cylinder bore x stroke, emission level are available in the full technical specs.

Basic model with standard bucket

Special equipment

Track adjustment
Yes
Rubber track
Yes
Blade
Yes
Aircondition
No
Quick hitch hydr.
No
Quick hitch mech.
No

Download datasheets (PDF)

Komatsu PC18MR-3 FAQ

When was the Komatsu PC18MR-3 manufactured?

The Komatsu PC18MR-3 was manufactured from 2008 to 2021.

How much does the Komatsu PC18MR-3 weigh?

The Komatsu PC18MR-3 weighs 2.07 tons.

What are the transport dimensions of the Komatsu PC18MR-3 mini excavator?

The Komatsu PC18MR-3 has a transport length of 3.7 meters, a transport width of 1.3 meters, and a transport height of 2.32 meters.

What is the track width of the Komatsu PC18MR-3 mini excavator?

The Komatsu PC18MR-3 mini excavator has a track width of 230 mm.

What are the excavation performance specifications of the Komatsu PC18MR-3?

The Komatsu PC18MR-3 has a dredging depth of 2.16 meters and a maximum horizontal reach of 3.95 meters.

What is the tear-out force of the Komatsu PC18MR-3 mini excavator?

The Komatsu PC18MR-3 mini excavator has a tear-out force of 9.9 kN.

What are the bucket specifications of the Komatsu PC18MR-3 mini excavator?

The Komatsu PC18MR-3 has a bucket width of 0.45 meters, with a bucket capacity ranging from 0.03 to 0.06 cubic meters.

What operator safety features does the Komatsu PC18MR-3 have?

The Komatsu PC18MR-3 is equipped with a cabin that includes ROPS (Roll-Over Protective Structure) for driver protection.

How much is a Komatsu PC18MR-3 Mini excavator (2008u20132021) worth?

The residual value of the Komatsu PC18MR-3 depends on the machine's individual parameters. Visit the LECTURA Valuation to check it.

Komatsu PC18MR-3 overview

Engine / Driveline and transmission

Model................................ 0,778 ltr 47 in3 Horsepower: Net (iso 9249/sae j1349).......11, 2 kw 15 hp @ 2600 rpm Type of drive.

Fuel tank............... 19 ltr 5,0 U.S.-Gal Hydraulic tank.................................................................3 Ltr 0,9 U.S. Gal Coolant................................
HYDRAULIC SYSTEM
Type..............................
PERFORMANCE
Travel speed High................................................................................

Hydraulics

Value, Durability, and Strength
KOMTRAX the wireless equipment monitoring system, castings are used for boom foot, tip and swing joch, large diameter swivel bolts, O-ring face seal hydraulic fittings, moisture/dust resistant electrical connectors, hydraulic lines are routed to protect by boom.
Large Diameter Swing Pin
Has high durability and maintains suitable clearance between pin and bushing after long-term operation.

Environment

Operator Comfort
Large operator platform, Adjustable suspension seat, Pilot proportional joystick controls, easy entry and exit, low noise.
Peace of Mind
Two post ROPS canopy, Neutral engine start system, Excellent visibility improves site awareness, low emission Komatsu engine with dual element air cleaner, A key operates the ignition and all machine photos may include optional equipment.
Operator Station
Spacious canopy with freely accessible floor offers the operator ample leg room, folding travel pedals, two-post ROPS canopy provides unparalleled visibility, fully adjustable suspension seat reduces operator fatigue, PPC joystick controls are low power and provide fine control, gauges and indicator lights easy to read.

Tyres / Tracks

Performance and Versatility
Standard auxiliary hydraulics, dual track options: rubber, steel, Automatic two-speed travel, ISO/SAE pattern change valve, Expandable undercarriage: 980 mm 3'3" to 1300 mm 4'3"
Tight Tail Swing
The operator can concentrate more on the work front and worry less about rear swing clearance, even in confined areas, with just a projection of 80 mm 3.1" over the tracks.
Pattern Change Valve
Whether you feel comfortable with ISO or SAE, you can easily switch from one to the other.
Manual Selector Valve
Allows the operator to switch between one-way (breaker) and two-way auxiliary hydraulic flow (thumb).
ELECTRICAL SYSTEM
Adjustment of track tension...............................

Air cleaner, dual element, Automatic two-speed travel control, auxiliary hydraulics with selector valve, back fill blade, adjustable width, Expandable undercarriage: 980 mm 3'3" to 1300 mm 4'3", KOMTRAX., pattern change valve, rear view mirror, rubber track, suspension seat with 50 mm 2 "wide retractable seat belt, travel alarm, travel pedals, two post ROPS canopy
OPTIONAL EQUIPMENT
76 mm 3" retractable seat belt, auxiliary work light, steel track, wide variety of attachments KUSS193-01 -2008 Komatsu America Corp. Printed in USA D09(15M)C 09/08 (EV-1)

Dimensions and weight

2 m 6.5'2.5 m 8.2'3 m 10'Maximum Reach
FrontSideFrontSideFrontSideFrontSide
Arm Length 965 mm 3'2"""3 m 10'355* 783*355 783
2 m 6.5'318* 701*318 701314* 692*235 518318* 701*216 476
1 m 3.25'653* 1440*421 928454* 1001*302 666367* 809*229 505324* 714*182 401
0 m 0'806* 1777*396 873551* 1215*287 633412* 908*221 487338* 745*187 412
-1 m -3.25'635* 1400*401 884446* 983*289 637342* 754*245 540
Arm Length965 mm 3'2"""
aMaximum digging height3615 mm11'10"""
bMaximum dumping height2610 mm8'7"""
cMaximum digging depth2160 mm7'1"""
dMaximum vertical digging depth1785 mm5'10"""
eMaximum digging reach4025 mm13'2"""
fMaximum reach–ground level3935 mm12'11"""
gMinimum swing radius (With boom swing)1670 mm (1355 mm5'5"" 4'5"")"
hMaximum blade lift280 mm11"""
iMaximum blade depth250 mm10"""

Other features

Service and Maintenance
Wide opening engine hood and side covers, side-by-side radiators and oil coolers are easily inspected, greasing points for work attachments are located on the same side of the boom and arm, the Tilt-forward operator station gives full access to engine and hydraulic components, hydraulic hoses are alphanumerically marked or color coded so that they can easily identify machines equipped with KOMTRAX location, SMR and operating maps may be sent to a secure website using wireless technology.
Excellent Visibility
The station design of the operator allows the operator to maintain a 360-view field.
Tilt-Up Operator Compartment
The operator compartment tilts forward for easy access to hydraulic and engine components.

Events

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NordBau 2026

Holstenhallen Neumünster, Germany

September
NordBau 2026

Machine inspection

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Use this service to minimise the risk when buying used equipment. An inspection by Mevas costs less than repairing a defective hydraulic cylinder.

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Buy & Rent

Mini Excavator Buyers Guide - price ranges of new and used models

At LECTURA we watch price lists since 40 years and based on this data, we can support you with pricing lists of used mini excavators, such as Komatsu PC18MR-3.

Check what new and used models of mini excavators you can get in each price range:

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Compare Komatsu PC18MR-3 with similar Mini Excavators

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Transport width:
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Transport height:
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Spare parts & Components

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Transport

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News

Construction News by LECTURA 07.06.2026