JCB DIESELMAX 444 TURBOCHARGED
TIER3 63KW (84HP) & 68.6KW (92HP)
MOBILE MACHINERY
600mm 813.6mm
6mm
878.6mm
143mm
Crankshaft
Centre Line
367mm
GENERAL TECHNICAL DATA
Technical Code 444 T3 TC Technical Code 444 T3 TC - 63kW 444 T3 TC - 68.6kW
Thermodynamic cycle Diesel 4 stroke Maximum rating(1) (intermittent) kW 63 68.6
Air intake TC Rated speed rpm 2200 2200
Arrangement in-line 4 cyl. Maximum torque Nm 362 408
Bore mm 103 Maximum torque speed rpm 1200 1200
Stroke mm 132 Maximum no load governed speed rpm 2420 2420
Swept Volume cmł 4399 Nominal idling speed rpm 900 900
Mean piston speed at rated speed m/s 9.68 BMEP at maximum torque bar 10.3 11.7
Valves per cylinder 4 Emission Certification EPA Tier3, EU St3 EPA Tier3, EU St3
Cooling Liquid Best point specific fuel consumption g/kWh 226 229
Direction of rotation (viewed from crank nose) Clockwise Specific fuel consumption @ rated power g/kWh 248 256
Compression Ratio 17.2 Specific fuel consumption @ peak torque g/kWh 226 229
Rotational mass moment of inertia excluding flywheel kgm² 0.2255 Noise at maximum rating dBA 1m 89 89
Standard flywheel inertia kgm² 0.4061 Minimum starting temperature without auxiliaries °C -20 -20
A Product
(1)
Dry weight kg 477 as per ISO14396 (nett power without fan)
of Hard Work
JCB DIESELMAX 444 TURBOCHARGED
TIER3 63KW (84HP) & 68.6KW (92HP)
POWER AND TORQUE CURVES FUEL CONSUMPTION
80
260
255
70
250
60
245
50
240
235
40
230
30
225
20
220
800 1000 1200 1400 1600 1800 2000 2200
800 1000 1200 1400 1600 1800 2000 2200
Speed RPM
Speed RPM
63kW TC 68kW TC 63kW TC
260
430
255
410
250
390
370
245
350
240
330
235
310
230
290
270
225
250
220
800 1000 1200 1400 1600 1800 2000 2200
800 1000 1200 1400 1600 1800 2000 2200
Speed RPM
Speed RPM
68kW TC
63kW TC 68kW TC
A Product
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BSFC g/kWh
Power kW
Torque Nm
BSFC g/kWh
JCB DIESELMAX 444 TURBOCHARGED
TIER3 63KW (84HP) & 68.6KW (92HP)
AIR INDUCTION LUBRICATING SYSTEM
444 T3 TC - 63kW 444 T3 TC - 68.6kW 444 T3 TC - 63kW 444 T3 TC - 68.6kW
Maximum allowable air intake restriction with clean air filter mbar 50 50 Lubricating oil pressure bar 4.9 4.9
Maximum allowable restriction with dirty air filter mbar 80 80 Maximum oil temperature at full rated speed: continuous °C 125 125
Air requirement for combustion at full load rated speed g/s 98 109 Maximum oil temperature at full rated speed: intermittent °C 135 135
Turbocharging pressure at full load rated speed mbar 700 1000 Engine angularity limits in continuous operation:
Turbocharger compressor outlet air temperature °C 94 110 - Maximum front up and front down deg 35 35
Charge cooler outlet temperature °C NA NA - Maximum right hand and left hand deg 35 35
Heat rejected to charge cooler at maximum power kW NA NA Total system capacity - including pipes, filters etc ltrs 14 14
Charge cooler system max pressure drop mbar NA NA Minimum recommended oil grade API CH4 CH4
Oil filter maintenance service interval (<75% duty cycle) hrs 500 500
Oil consumption at maximum rating % of fuel consumption 0.03 0.03
EXHAUST SYSTEM FUEL SYSTEM
444 T3 TC - 63kW 444 T3 TC - 68.6kW 444 T3 TC - 63kW 444 T3 TC - 68.6kW
Maximum allowable back pressure mbar 150 150 Injection system Rotary Mechanical Rotary Mechanical
Exhaust gas temperature at full rated speed °C 572 559 Fuel maximum intake restriction mbar 150 150
Exhaust flow at maximum output g/s 103 114 Fuel maximum intake temperature °C 50 50
Engine Pre-Filter Micron 30 30
Engine Main Filter Micron 5 5
COOLING SYSTEM ELECTRICAL SYSTEM
444 T3 TC - 63kW 444 T3 TC - 68.6kW 444 T3 TC - 63kW 444 T3 TC - 68.6kW
Coolant capacity - Engine only ltrs 7 7 Type (ETR - Energised To Run) Negative Ground ETR Negative Ground ETR
Water pump flow at rated speed ltr/min 240 240 Standard (Starter & Alternator) V 12 12
Heat to reject from coolant at maximum power kW 48 est 51 est Option V 24 24
Thermostat temperature °C 88 88 Minimum Cranking Speed rpm 105 105
Cooling liquid maximum temperature °C 110 110 Battery (not included) - minimum capacity recommended 145Ah. 145Ah.
Headertank pressure cap setting bar 1 1 Battery (not included) - minimum cold cranking capacity 850 CCA 850 CCA
Coolant Specification Approved (JCB HP High Performance) ASTM D6210 ASTM D6210
A Product
of Hard Work
JCB DIESELMAX 444 TURBOCHARGED
TIER3 63KW (84HP) & 68.6KW (92HP)
STANDARD CONFIGURATION OPTIONAL EQUIPMENT
Extensive range of configuration options available from JCB Dieselmax Sales Option Manual - contact JCB Power Systems dealer
Technical Code 444 T3 TC
or JCB Power Systems Sales Dept. for availability of specific configuration options
Flywheel housing SAE 3
Intake manifold location Left hand forward
Exhaust manifold / Turbocharger location Right hand rearward
Turbocharger Wastegate controlled
Fan drive ratios 0.85:1, 1:1, 1.16:1 or 1.25:1
Distance between fan - crankshaft centres 262mm or 356mm
Main Fuel Filter & Pre-Filter Included
Fuel pump Included
Oil filter 1 off, left side
Oil sump Press steel, low noise transmission structure
Oil vapours blow-by circuit Open filtered, breather hose included
Oil heat exchanger Left side
Oil filler position Top and left hand side
Starter motor 12V, 4.2kW
Alternator 12V, 95A
Engine stop Electrical
Power Take-off: Heavy Duty 60kW SAE B, RHS
Power Take-off: Light Duty 10kW SAE A, LHS
Finish Lacquered
Printed in the UK on paper made from sustainable forests.
The pulp used in the manufacture of this paper is made from
renewable timber produced on a fully sustainable basis, and JCB Power Systems Ltd., Dove Valley Park, Foston, Derby DE65 5BX. Tel: 01889 590312. www.jcbpowersystems.com
A Product
is bleached without the use of chlorine gas (ECF Elemental
of Hard Work
Chlorine Free). This paper is suitable for recycling. JCB reserves the right to change specifications without notice. Illustrations shown may include optional equipment and accessories. The JCB logo is a registered trademark of J C Bamford Excavators Ltd. 9999/5375 3/08 Issue 1
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