TEST REPORT

TEST REPORT
Harvester Valmet 911.4
with harvester head Valmet 360.2
OWNER OF THE TEST CERTIFICATE:
Applicant/distributor:
Komatsu Forest GmbH
Allmendstraße 12
D – 72189 Vöhringen-Wittenhausen
Internet: www.komatsuforest.de
MANUFACTURER:
Komatsu Forest AB
P.O. Box 7124
S- 90704 Umeå
This publication
was supported by the Federal Ministry of Consumer Protection, Food and Agriculture and the State Forest
Administrations as a result of a decision by the German Bundestag and the federal Forestry agencies
Kuratorium für Waldarbeit und Forsttechnik e.V. (KWF)
Spremberger Straße 1 Telephone: 06078-785-0
D-64823 Groß-Umstadt Fax: 06078/785-39+50
E-mail: pruefung@kwf-online.de
Internet: http://www.kwf-online.de

Harvester Valmet 911.4
with harvester head Valmet 360.2
Evaluation - review
Test item Test results Evaluation
Harvester class 3
Engine power > 140 kW
Chief application field Clearing coniferous forest, average breast height diameter of trunks 20 -
35 cm; maximum trunk diameter 63 cm
Driving performance
good
Driving speed Driving to relocate 20 km/h + +
Off-road capability Off-road capability coefficient: 0.71 o
Transport Transport height per axle 3.90 m / on flat bed trailer 3.70 m (not evaluated) +
Felling and processing
good
Crane control
Crane construction
hydraulic transmission system MaxiXplorer 1.4; unlimited programmable and
one factory setting
Net lifting power at full reach 0 kN, at 4 m reach 25 kN
maximum reach 9.5 m, crane tilts longitudinally and laterally with cab
Stability Lateral stability when loaded at maximum reach is provided (with water) +
Delimbing Feed speed 5.1 m/s, feed force 28 kN* +
Measuring and control system MaxiXplorer 1.4
+ +
o
Ergonomics
very good
Noise Leq = 69 dB(A) + +
Vibration A(8) = 0.38 m/s² +
Cab design
Very well arranged display and control elements; levelling cab; ROPS, FOPS
and OPS approved
+
Visibility High, angled windscreen, cab swivels with crane + +
Workspace illumination Very good and glare-free all-round illumination (Xenon lamps) + +
Work safety
Euro-Test certificate
Environmental safety
good
Ground impact Wheel load o; pressure evaluation o; balanced bogies +
Hydraulic fluids and hazardous
substances
Rapid bio-degradable hydraulic fluid, additive concentration approx.1 %; 2
hazardous substances with a water hazard class > 1
+
Fuel consumption 13-16 l/operating hr (specific consumption 219 g/kWh) o
Leak reduction design
measures
Vacuum pump, quick-release coupling for hydraulic tank fill and drainage;
diesel fill pump Vacuum pump, quick-release coupling for hydraulic tank fill
and drainage; hydraulic fluid and diesel fill pump
+ +
Emissions Complies with EU guideline 97/68 EG level 3A; RME-capable o
Economy
Cost (without wages)
Maintenance (incl. refuelling)
Power
Distinctive features
According to calculation scheme 95.6 Euro/ operating hr (at 1500 operating
hrs /year)
Approx. ½ hour daily; approx. 1.5 hours weekly
Within power limits for this harvester class
Cab and crane capable ióf tilting longitudinally and laterally
+ + = very good; + = good; o = satisfactory; - adequate; - - = inadequate (*Manufacturer’s declaration)
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Short description
Figure 1: Machine sketch and crane area diagram
• Front bogie central-pipe box frame construction, rear bogie reinforced ladder frame, bars partially closed and used
as a tank
• 4 equally sized wheels on balanced front bogie, 2 larger wheels mounted to rear axle
• decentralised articulated joint, rear self-aligning live axle with hydraulic lock
• hydrostatic transmission with electronic power control and successive 2-step power divider; impermanent front
bogie drive
• Test tyres: front: Trelleborg Forestry Twin 422 710/45-26.5 LS-2 163 A8
rear: Nokian SF TRS-L-2 700/55-34 14 PR
• Electronically controlled dual circuit hydraulic system with separate drive and work circuit with shared oil supply
• Total weight:
17900 kg
• Engine power:
• Length (without crane):
• Transport height for road:
for flat bed trailer:
• Width (maximum):
• Turning circle diameter:
• Application field
150 kW
7330 mm
3900 mm
3700 mm
2960 mm
13950 mm
Depending on the conditions of the terrain (micro-relief, obstructions, snow) the machine cannot be operated
above a gradient of about 35%. The application field is also determined by the maximum felling diameter (63 cm)
and the maximum delimbing diameter of 53 cm. The machine is capable of processing long wood as well as
hardwood..
Min.
Akt.
Max.
Gross lifting moment (kNm)
135,0
186,0
273,0
0 50 100 150 200 250 300
Figure 2: Comparison between the current test machine and the minimum and
maximum values from the 7 machines tested to date in the same engine power class
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Engine
Water-cooled, 4-stroke, 6 cylinder diesel engine Sisu 74.410 CTA with common-Rail fuel
injection, turbocharger and air-cooled intercooling
Capacity 7400 cm³
Power Nominal engine speed 2200 1/min 150 kW
max. torque Nominal engine speed 2200 1/min 650 Nm
max. torque Nominal engine speed 1650 1/min 970 Nm
Torque increase 49 %
Average fuel consumption under working conditions 15 l/operating hr
Average fuel consumption under working conditions 370 l
Fuel tank capacity Restricted RME capability (according to EN 14214)
Min.
Akt.
Max.
Engine power (kW)
148,0
150,0
201,0
0 50 100 150 200 250
Figure 3: Comparison between the current test machine and the minimum and
maximum values from the 7 machines tested to date in the same engine power class.
Min.
Akt.
Max.
Fuel consumption (l/operating hr)
12,5
15,0
19,0
0 5 10 15 20
Figure 4: Comparison between the current test machine and the minimum and
maximum values from the 7 machines tested to date in the same engine power class.
Work circuit hydraulics
Open load-sensing single-circuit constant pressure system with adjustable piston pumps
Hydraulic pump Bosch Rexroth A11VO 180
Capacity at engine working speed (1650 1/min) 0 - 297 l/min
Hydraulic pressure maximum 28 MPa
idle 3 MPa
Tank capacity 200 l
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Drive circuit hydraulics
Electronically controlled hydrostatic transmission
Hydraulic pump Sauer-Danfoss H1 115
Capacity
At engine speed
1650 1/min
0 - 190 l/min
Hydraulic pressure maximum 43 MPa
Hydraulic engine: Sauer-Danfoss 51 V 160
idle 3 MPa
Absorption volume 32 - 160 cm³/U
Crane
Valmet CRH 18; on the right side of cab, mounted together with cab on a slewing and tilting platform; crane with boom
and jib with single-step telescope and hydraulic parallel guide; crane tiltable length and sideways together with cab, by
means of two hydraulic cylinders
Gross lifting torque * 186 Nm
Tilt angle front/back/left/right 20/22/17/17 °
Maximum reach (incl.1-step telescope) 9.5 m
Net lifting power (maximum reach/4m reach) 0/25 kN
Telescope pulling power 32 kN
Slewing torque (left/right) 33 kNm
Turning area 315
Required amount of hydraulic fluid * 310 l/min
* Manufacturers declaration
°
Min.
Akt.
Max.
Maximum reach (m)
8,3
9,5
10,0
0 2 4 6 8 10 12
Figure 5: Comparison between the current test machine and the minimum and
maximum values from the 7 machines tested to date in the same engine power class.
Measuring system evaluated according to the KWF-specification sheet
MaxiXplorer 1.4
Hardware
Display Colour 12,1” LCD TFT with graphic capabilities, 1024 x 768 Pixel, 2 USB-Ports, excellent readability
Input device Joysticks, keys near joysticks, wireless computer keyboard with trackball
Printer Ink jet printer DIN A 4
Control prints
Data completeness
good
Clarity of data descriptions
satisfactory
HKS conformity
Requirements of KWF-specification sheet
fulfilled satisfactorily
Operability and performance of system
Calibration and control of electronic callipers/manual
good
Precision of measurement
satisfactory
Measurement stability
very good
Overall evaluation:
good
5/9

Harvester head
Valmet 360.2
Total weight (incl. rotator)* 1275 kg
Required pump capacity* 260 l/min
Cutting length(usable) 630 mm
Chain speed 40 m/s
Saw chain lubricating oil consumption * (100 cuts) 0.02 – 0.05 l/operating hr
(adjustable)
Saw chain lubricating oil tank volume 5.4 l
Feed roller diameter 460 mm
Guide length 1450 mm
Delimbing diameter 530 mm
Max. felling diameter (with 75 cm guide bar) 630 mm
Grapple function
2 encircling delimbing knives at top and one at the bottom of the unit; supported by
feed rollers in necessary
* Manufacturers declaration
1 fixed top v-shaped delimbing knife
2 2 top, encircling, moving delimbing knives attached to basic
frame, diameter-dependant contact pressure
3 2 hydrostatically driven feed rollers controlled by 4-joint
transmission, with vertical axles (steel spiked roller)
4 1 lower, encircling, moving delimbing knife attached to basic
frame
5 felling unit with electro-hydraulically operated and driven
chainsaw, hydraulic chain tensioner with pressure control,
diameter-dependant cut control
6 length measuring wheel with hydraulic suspension
7 Diameter measurement by 2 digital angle gauges connected to
the joints of the upper knife arms
Figure 6 harvester head
Min.
Akt.
Max.
Maximum felling diameter (cm)
45,0
63,0
74,0
0 10 20 30 40 50 60 70 80
Figure 7: Comparison between the current test machine and the minimum and
maximum values from the 7 machines tested to date in the same engine power class.
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Spare parts supply, manuals and service
good
Maintenance effort
Maintenance scope
Operator manual
Spare parts list
Training
Easy direct access to cooler, engine and hydraulic control blocks due to spacious construction
and large covers; generous maintenance covers underneath the machine; several usefully
designed access provisions to the maintenance points, fine lubrication points on the crane;
lighting under covers
According to schedule and need; time required for daily maintenance (incl. operational fluid
refilling) is about ½ hour, weekly maintenance requires about 1.5 hours
Clear, well-structured and essentially complete instructions stored on the on-board computer
and on data carrier.; Index for finding selected topics; one index missing
Stored on computer, profusely illustrated and well-structured; all parts are easily found; direct
ordering of spare parts per email or online via electronic spare parts list
Distributor provides training on delivery and commissioning of the machine and additional
training
Cab
Swivelling and tilting ROPS-, FOPS- and OPS-approved safety cab, mounted to front bogie; side-mounted crane
swivels wit cab; levelling with lateral inclinometer over the position of the rear self-aligning live axle, as well as position
sensors mounted to cab and chassis
Operator seat
KAB 569 Basic, heated, pneumatically dampened swivelling seat; capable of swivelling
through 180°, highly adjustable comfort seat with adjustable armrest
Comments / Evaluation
Complies with
standard
Cab size and design Spacious cab with high windscreen; good workmanship yes
Cab climate
Automatic climate control with heater and cooler wit a small display on control unit;
continuously adjustable, relatively quiet fan and 11 output vents
Control elements
All control elements are within easy reach and usefully
arranged; some button allocations are stored in on-board
information system
yes
Levelling Swivelling (315 °) and tilting cab(front 20 ° and rear 22 °, left and right 17 °)
Work field illumination
Visibility
Very good lighting provided by 4 Xenon working lights, constantly directed at harvester
head and 2 Xenon crane lights
The 315° rotation of cab and side-mounted crane afford very good visibility of harvester
head at all times; glass panel sunroof provides very good visibility of the tree crowns
while remaining in comfortable pose; visibility on the right is somewhat restricted by the
crane; sun blinds o all windows
Noise Low Noise level 69 dB(A) yes
Vibration
Storage space on the
machine
Storage space in the cab
A(8) = 0.38 m/s²
Does not attain the exposure limit of 1.15 m/s². Values do not exceed the action value of
0.5 m/s².
205 l; 1 very well structured storage space provided for toolbox and equipment at the
front of the machine, small storage box at the front of the cab, two small storage spaces
in the battery compartments
Space for personal belongings only just adequate, large storage compartment under the
roof for first-aid kit and oil spillage set; printer in compartment behind seat; small storage
compartment in the left door for personal belongings; operator manual and spare parts
list stored on computer, 2 kg fire extinguisher in a holder next to door
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Machine costs and calculation basis
Price for tested version 414870 €
Workload operating
hours/year
1500 2000 2500 Total service life [operating hours] 18000
Recovery period (years) 12 9 7.2 Repair cost factor 1.0
€/
operating
hr
(rounded)
€/
operating
hr
(rounded)
€/
operating
hr
(rounded)
Fuel + lubricants in €/ operating hrs 18.8
Recovery 23.0 23.0 23.0 Price for diesel [€/l] 1.0
Repair and maintenance 23.0 23.0 23.0 Interest rate [%] 8
Fuel and lubricants 18.8 18.8 18.8 Transport costs, costs for driving to and
from site €/ operating hr
2
Interest rate 11.1 8.3 6.6 Additional costs [€] 26.552
Transport, to and from site 2.00 2.00 2.00 Technical work productivity:
Others 17.7 13.3 10.6 14 cubic meters / operating hr
Machine costs 95.6 88.4 84.0 Within the performance range for harvester class 3
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Additional equipment
Mini-control levers; micro-cab air filter, software extensions from the Maxi-Reihe (Maxi A, B, C, D, N and P); DVD-drive
(read only), GPS navigation preparation; warm box; coolbox, electronic calipers with docking station (for power and
data); automatic fire extinguishing system; additional lighting; crane dampening; swivelling dampeners; Xenon lamps;
automatic central lubrication system; seat Be-Ge 7000 Airvent; wheels: rear width 600 or 710 and front 600; crane 8.3
m; harvester head Valmet 350 or 370; harvester head variations: feed rollers rubber with chains - 2 vertical knives, 1
fixed and 1 moveable – stump treatment equipment – colour marking system; engine safety bar; traction winch front/rear
Test
Remaining requirements:
None
Recommendations:
Simplify blocking the harvester head when parking in upright position (in cold conditions, snow or for maintenance))
Test institute
Kuratorium für Waldarbeit und Forsttechnik, Groß-Umstadt
Author
Joachim Burk, Lars Nick, KWF, Groß-Umstadt
KWF Utility-Test
Test no. 4892, valid until January 31, 2017
According to the test regulations, the applicant is entitled to display the test mark on machines of this
type and to use the certification for advertising purposes.
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