Specification sheet
6LTAA9.5-G1
Description
The Cummins® 6LTAA9.5-G engine has a Electronic fuel shut off valve – Robust design for
mechanical fuel system which is designed to deliver safety for mechanical fuel system engine.
robust performance in the most extreme conditions. It
also has electronic governor controls for superior Integrated block design - Integrated fluid circuits
engine speed stability and transient response. The replace hoses and eliminate potential leaks.
cylinder head has 24-valves and bigger flow injector 24-valve cylinder head - Four valves per cylinder for
design which provides one of the highest power-to- increased power with faster response and improved
weight ratios in its class. fuel economy.
At the same time, the 6LTAA9.5-G engine delivers Coolpac integrated design - Products are supplied
better fuel economy and less smoke emission than complete with cooling package and air cleaner kit for a
similar engines. complete power package. Each component has been
specifically developed and rigorously tested for
Features Cummins G-Drive standards, ensuring high
performance, durability and reliability.
Fuel system - Bosch P7100 type mechanical fuel
injection pumps have high injection pressure, Service and support - G-Drive products are backed
optimize engine performance and establish an by an uncompromising level of technical support and
unrivalled reputation for reliability. after sales service, delivered through a world class
global service network.
Electronic governor control unit - Strengthening
electronic governor control unit to optimize engine
speed stability, transient response and reliability.
Cummins Holset HE400 and HE500 Non-
wastegate turbocharger – Cummins optimized
turbocharger delivers increased power, fuel economy,
low smoke and lower noise levels.
This engine has been built to
comply with CE certification.
This engine has been designed
in facilities certified to ISO9001
and manufactured in facilities
certified to ISO9001 or ISO9002.
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©2018 Cummins Inc. | 6LTAA9.5-G1 (07/18)
S-6385
1500 rpm (50 Hz ratings)
Gross engine output Net engine output Typical generator set output
Standby Prime Base Standby Prime Base Standby (ESP) Prime (PRP) Base (COP)
kWm/BHP kWm/BHP kWe kVA kWe kVA kWe kVA
320/429 290/389 254/340 300/402 273/366 237/318 280 350 256 320 220 276
1800 rpm (60 Hz ratings)
Gross engine output Net engine output Typical generator set output
Standby Prime Base Standby Prime Base Standby (ESP) Prime (PRP) Base (COP)
kWm/BHP kWm/BHP kWe kVA kWe kVA kWe kVA
310/416 280/375 244/327 292/392 265/355 229/307 275 344 250 313 212 265
General engine data
Type 4 cycle, in-line, turbocharged, air-cooled
Bore mm 116 mm (4.58 in.)
Stroke mm 148 mm (5.82 in.)
Displacement litre 9.5 litre (579 in.3)
Cylinder block Cast iron, 6 cylinder
Battery charging alternator 70 amps
Starting voltage 24 volt, negative ground
Fuel system Bosch direct injection
Fuel filter Spin-on fuel filters with water separator
Lube oil filter type(s) Spin-on full flow filter
Lube oil capacity (l) 28.1
Flywheel dimensions SAE1
Coolpac performance data
Cooling system design Air-air charge cooled
Coolant ratio 50% ethylene glycol; 50% water
Coolant capacity (l) 55.5
Limiting ambient temp.** (°C) 50 (50 Hz); 55 (60 Hz)
Fan power (kWm) 13 (50 Hz); 15 (60 Hz)
Cooling system air flow (m3/s)** 7.9 (50 Hz); 10 (60 Hz)
Air cleaner type Light duty dry replaceable element with restriction indicator
** @ 13 mm H20
Fuel consumption 1500 (50 Hz) Fuel consumption 1800 (60 Hz)
% kWm BHP L/ph g/kWh % kWm BHP L/ph g/kWh
Standby Power Standby Power
100 320 429 78 200 100 310 415 76 201
Prime Power Prime Power
100 290 389 70 199 100 280 375 68 199
75 218 291 52 196 75 210 281 50 197
50 145 194 35 197 50 140 188 34 200
25 73 97 18 210 25 70 94 19 221
Continuous Power Continuous Power
100 254 340 61 198 100 244 327 56 198
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©2018 Cummins Inc. | 6LTAA9.5-G1 (07/18)
S-6385
Weights and dimensions
Length Width Height Weight (dry)
mm mm mm kg
2110 1102 1489 945
Ratings definitions
Emergency Standby Limited-Time Running Prime Power (PRP): Base Load (Continuous)
Power (ESP): Power (LTP): Power (COP):
Applicable for supplying Applicable for supplying Applicable for supplying Applicable for supplying
power to varying electrical power to a constant power to varying electrical power continuously to a
load for the duration of electrical load for limited load for unlimited hours. constant electrical load for
power interruption of a hours. Limited-Time Prime Power (PRP) is in unlimited hours. Continuous
reliable utility source. Running Power (LTP) is in accordance with ISO 8528. Power (COP) in accordance
Emergency Standby Power accordance with ISO 8528. Ten percent overload with ISO 8528, ISO 3046,
(ESP) is in accordance with capability is available in AS 2789, DIN6271 and
ISO 8528. Fuel Stop power accordance with ISO 3046, BS 5514.
in accordance with AS 2789, DIN 6271 and
ISO 3046, AS 2789, BS 5514.
DIN 6271 and BS 5514.
For more information contact your local Cummins distributor
or visit power.cummins.com
©2018 Cummins Inc. All rights reserved. Cummins is a registered trademark of Cummins Inc. PowerCommand, AmpSentry, InPower and “Our energy working for you.” are trademarks of
Cummins Inc. Other company, product, or service names may be trademarks or service marks of others. Specifications are subject to change without notice.
6LTAA9.5-G1 (07/18) S-6385
