45449_JCB_5482UK-1-55-Engine-PR.pdf

JCB DIESELMAX ECOMAX TIER 4 ENGINE 55kW 444

MOBILE MACHINERY

654mm

814mm

920mm

Crankshaft

Centre Line

GENERAL TECHNICAL DATA

55kW

Thermodynamic Cycle

Diesel 4 stroke

Rotational mass moment of inertia excluding flywheel.

kgm 2

0.2255

Air intake

TCAE

Standard flywheel inertia

kgm 2

0.4061

Arrangement

In-line 4 cyl.

Maximum rating *(intermittent)

Bore

103

Rated speed

rpm

2200

Stroke

132

Maximum torque

375

Swept Volume

cm 3

4399

Maximum torque speed

rpm

1400

Mean Piston speed at rated speed

m/s

9.68

Maximum no load governed speed

rpm

2370

Valves per cylinder

Nominal idling speed

rpm

850

Cooling

Liquid

BMEP at maximum torque

bar

10.7

Direction of rotation (viewed from crank nose)

Clockwise

Minimum starting temperature without auxiliaries

°C

-20

Compression ratio

16.7

*As per ISO14396 (nett power without fan)

JCB DIESELMAX TIER 4 ENGINE 55kW 444

TORQUE CURVES

POWER CURVES

380

&)%

&(%

&'%

&&%

&%%

360

340

320

300

280

260

240

220

800 1000 1200 1300 1400 1500 1600 1800 2000 2200

Speed RPM

-%% &%%% &'%% &(%% &)%% &*%% &+%% &-%% '%%% ''%%

55kW

HeZZYGEB

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FUEL CONSUMPTION

250

●

Low cost of ownership

240

●

Constant power 55kW Tier 4 Final

230

●

Improved response compared to Tier 3

Packaging benefits

220

●

210

●

Fuel consumption 5-10% improvement over Tier 3

200

190

1000

1200

1400

1600

1800

2000

2200

Speed RPM

55kW

JCB Power Systems Ltd., Dove Valley Park, Foston, Derby DE65 5BX. Tel: 01889 590312. www.jcbpowersystems.com

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.

Preliminary 9999/5482 03/10 Issue 1

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