KD44

Engine ref. 3029TSG20

Alternator ref. KH00602T
Performance class G3
DESCRIPTIVE

GENERAL CHARACTERISTICS
Frequency (Hz) 50 Hz
Voltage (V) 400/230
Standard Control Panel APM303
Optional control panel APM403

POWER
ESP PRP
Voltage Standby Amps
kWe kVA kWe kVA

415/240 35 44 32 40 61
400/230 35 44 32 40 64
380/220 35 44 32 40 67
POWER DEFINITION
PRP : Prime Power is available for an unlimited number of annual
operating hours in variable load applications, in accordance with ISO
DIMENSIONS COMPACT VERSION
8528-1. ESP : The standby power rating is applicable for supplying Length (mm) 1700
emergency power in variable load applications in accordance with ISO
8528-1. Overload is not allowed. Width (mm) 896
TERMS OF USE Height (mm) 1243
According to the standard, the nominal power assigned by the genset is Dry weight (kg) 705
given for 25°C Air Intlet Temperature, of a barometric pressure of 100
kPA (100 m A.S.L), and 30 % relative humidity. For particular conditions Tank capacity (L) 100
in your installation, refer to the derating table.
ASSOCIATED UNCERTAINTY
For the generating sets used indoor, where the acoustic pressure levels DIMENSIONS SOUNDPROOFED VERSION
depends on the installation conditions, it is not possible to specify the
ambient noise level in the exploitation and maintenance instructions . Type soundproofing M137
You will also find in our exploitation and maintenance instructions a
warning concerning the air noise dangers and the need to implement Length (mm) 2100
appropriated preventive measures. Width (mm) 938
Height (mm) 1285
Dry weight (kg) 893
Tank capacity (L) 100
Acoustic pressure level @1m in dB(A) 75
Sound power level guaranteed (Lwa) 91
Acoustic pressure level @7m in dB(A) 63

1/07/2019
This document is not contractual - The KOHLER company reserves the right to modify any of the characteristics stated in this document without notice, in a constant effort to
improve the quality of its products.
 KD44
ENGINE CHARACTERISTICS

GENERAL ENGINE DATA EXHAUST

Engine brand JOHN DEERE Exhaust gas temperature @ ESP 50Hz (°C) 510
Engine ref. 3029TSG20 Exhaust gas flow @ ESP 50Hz (L/s) 105.6
Air inlet system Turbo Max. exhaust back pressure (mm H2O) 625
Cylinders configuration L
Number of cylinders 3 FUEL
Displacement (L) 2.91 Consumption @ 100% load ESP (L/h) 10.8
Charge Air coolant Consumption @ 100% PRP load (L/h) 9.8
Bore (mm) x Stroke (mm) 106 x 110 Consumption @ 75% PRP load (L/h) 7.5
Compression ratio 17.2 : 1 Consumption @ 50% PRP load (L/h) 5.3
Speed (RPM) 1500 Maximum fuel pump flow (L/h) 111
Pistons speed (m/s) 5.5
Maximum stand-by power at rated
42
RPM (kW) OIL
Frequency regulation, steady state (%) +/- 2.5% Oil system capacity including filters (L) 6
BMEP @ PRP 50 Hz (bar) 10.5 Min. oil pressure (bar) 1
Governor type Mechanical Max. oil pressure (bar) 5
Oil consumption 100% ESP (L/h) 0.21
COOLING SYSTEM Oil sump capacity (L) 5.3
Radiator & Engine capacity (L) 16.1
HEAT BALANCE
Heat rejection to exhaust (kW)
Fan power (kW) 1.3 Radiated heat to ambiant (kW) 5
Fan air flow w/o restriction (m3/s) 1.86 Heat rejection to coolant HT (kW) 28
Available restriction on air flow (mm
20
H2O)
Type of coolant Glycol-Ethylene AIR INTAKE
Max. intake restriction (mm H2O) 300
Intake air flow (L/s) 37.8

EMISSIONS
Emission PM (mg/Nm3) 5% O2 70
Emission CO (mg/Nm3) 5% O2 190
Emission HC+NOx (g/kWh) 0
Emission HC (mg/Nm3) 5% O2 101

1/07/2019
This document is not contractual - The KOHLER company reserves the right to modify any of the characteristics stated in this document without notice, in a constant effort to
improve the quality of its products.
 KD44
ALTERNATOR CHARACTERISTICS

GENERAL DATA OTHER DATA

Alternator ref. KH00602T Continuous Nominal Rating 40°C (kVA) 40
Number of Phase Three phase Standby Rating 27°C (kVA) 45
Power factor (Cos Phi) 0.8 Efficiencies 100% of load (%) 88.9
Altitude (m) 0 à 1000 Air flow (m3/s) 0.1
Overspeed (rpm) 2250 Short circuit ratio (Kcc) 0.424
Number of pole 4 Direct axis synchro reactance unsaturated (Xd) (%) 281
Capacity for maintaining short circuit at Quadra axis synchro reactance unsaturated (Xq) (%) 143
Yes
3 ln for 10 s
Open circuit time constant (T'do) (ms) 944
Insulation class H
Direct axis transcient reactance saturated (X'd) (%) 14.8
T° class (H/125°), continuous 40°C H / 125°K
Short circuit transcient time constant (T'd) (ms) 50
T° class (H/163°C), standby 27°C H / 163°K
Direct axis subtranscient reactance saturated (X''d)
AVR Regulation Yes 7.4
(%)
Total Harmonic Distortion in no-load Subtranscient time constant (T"d) (ms) 5
<3.5
DHT (%) Quadra axis subtranscient reactance saturated (X"q)
Total Harmonic Distortion, on linear load 10.6
<5 (%)
DHT (%)
Subtranscient time constant (T"q) (ms) 5
Wave form : NEMA=TIF <50
Zero sequence reactance unsaturated (Xo) (%) 0.6
Wave form : CEI=FHT <2
Negative sequence reactance saturated (X2) (%) 9.02
Number of bearing Single Bearing
Armature time constant (Ta) (ms) 8
Coupling Direct
No load excitation current (io) (A) 0.56
Voltage regulation at established rating
0.5 Full load excitation current (ic) (A) 2.19
(+/- %)
Recovery time (Delta U = 20% 500 Full load excitation voltage (uc) (V) 32.1
transcient) (ms)
Engine start (Delta U = 20% perm. or 30% trans.)
Indication of protection IP 23 98.53
(kVA)
Technology Brushless Transcient dip (4/4 load) - PF : 0,8 AR (%) 13
No load losses (W) 888.22
Heat rejection (W) 3955.16
Unbalanced load acceptance ratio (%) 100

DIMENSIONS
Dimensions soundproofed version Dimensions DW compact version
Type soundproofing M137 Type soundproofing
Length (mm) 2100 Length (mm) 2074
Width (mm) 938 Width (mm) 932
Height (mm) 1285 Height (mm) 1444
Dry weight (kg) 893 Dry weight (kg) 914
Tank capacity (L) 100 Tank capacity (L) 240
Acoustic pressure level @1m in dB(A) 75 Acoustic pressure level @1m in dB(A)
Sound power level guaranteed (Lwa) 91 Sound power level guaranteed (Lwa)
Acoustic pressure level @7m in dB(A) 63 Acoustic pressure level @7m in dB(A)
Dimensions DW soundproofed version Dimensions DW 48h soundproofed version
Type soundproofing M137-DW Type soundproofing M137-DW48
Length (mm) 2100 Length (mm) 2100
Width (mm) 932 Width (mm) 932
Height (mm) 1486 Height (mm) 1539
Dry weight (kg) 1102 Dry weight (kg) 1109
Tank capacity (L) 240 Tank capacity (L) 470
Acoustic pressure level @1m in dB(A) 75 Acoustic pressure level @1m in dB(A) 75

1/07/2019
This document is not contractual - The KOHLER company reserves the right to modify any of the characteristics stated in this document without notice, in a constant effort to
improve the quality of its products.
 Sound power level guaranteed (Lwa) 91 Sound power level guaranteed (Lwa) 91
Acoustic pressure level @7m in dB(A) 63 Acoustic pressure level @7m in dB(A) 63

1/07/2019
This document is not contractual - The KOHLER company reserves the right to modify any of the characteristics stated in this document without notice, in a constant effort to
improve the quality of its products.
 KD44
CONTROL PANEL

APM303, comprehensive and simple APM403, basic generating set and power plant
control

The APM303 is a versatile unit which can be operated in The APM403 is a versatile control unit which allows
manual or automatic mode. It offers the following features: operation in manual or automatic mode
Measurements: Measurements : voltage and current
phase-to-neutral and phase-to-phase voltages, fuel level kW/kWh/kVA power meters
(In option : active power currents, effective power, power Standard specifications: Voltmeter, Frequency meter.
factors, Kw/h energy meter, oil pressure and coolant Optional : Battery ammeter.
temperature levels) J1939 CAN ECU engine control
Supervision: Alarms and faults: Oil pressure, Coolant temperature,
Modbus RTU communication on RS485 Overspeed, Start-up failure, alternator min/max, Emergency
Reports: stop button.
(In option : 2 configurable reports) Engine parameters: Fuel level, hour counter, battery
Safety features: voltage.
Overspeed, oil pressure,coolant temperatures, minimum Optional (standard at 24V): Oil pressure, water temperature.
and maximum voltage, minimum and maximum frequency Event log/ Management of the last 300 genset events.
(Maximum active power P<66kVA) Mains and genset protection
Traceability: Clock management
Stack of 12 stored events USB connections, USB Host and PC,
For further information, please refer to the data sheet for the Communications : RS485 INTERFACE
APM303. ModBUS protocol /SNMP
Optional : Ethernet, GPRS, remote control, 3G, 4G,
Websupervisor, SMS, E-mails

1/07/2019
This document is not contractual - The KOHLER company reserves the right to modify any of the characteristics stated in this document without notice, in a constant effort to
improve the quality of its products.
 1/07/2019
This document is not contractual - The KOHLER company reserves the right to modify any of the characteristics stated in this document without notice, in a constant effort to
improve the quality of its products.