Diesel engine 12V 4000 G73, 16V 4000 G73. Manual - part 6

3 Technical Data

3.1 12, 16V 4000 G73 engine data, emissions-optimized (EPA -

Tier 2)

Explanation

Abbr.

Meaning

DL

Ref. value: Continuous power

BL

Ref. value: Fuel stop power

A

Design value

G

Guaranteed value

R

Guideline value

L

Limit value, up to which the engine can be operated without changes (e.g. of power set‐

ting)

N

Not yet defined value

-

Not applicable

X

Applicable

*

Data not yet available when at time of publication

REFERENCE CONDITIONS

Engine model

12V 4000

G73

16 V4000

G73

Application group

3B

3B

Intake air temperature

°C

25

25

Charge-air coolant temperature

°C

45

45

Barometric pressure

mbar

1000

1000

Site altitude above sea level

m

100

100

POWER-RELATED DATA (power ratings are net brake power to ISO 3046)

Number of cylinders

12

16

Engine rated speed

A rpm

1200

1200

Continuous power as per ISO 3046 (10% overload capability)

(rated power DIN 6280, ISO 8528)

A kW

1105

1390

GENERAL CONDITIONS (for maximum power)

Number of cylinders

12

16

Intake air depression (new filter)

A mbar

15

15

Intake air depression, max.

L mbar

50

50

Exhaust backpressure

A mbar

30

30

Exhaust back pressure, max.

L mbar

50

50

MODEL-RELATED DATA (basic design)

Number of cylinders

12

16

Engine with turbochargers (ETC) and charge-air cooling (CAC)

X

X

Uncooled exhaust lines

X

X

Working method: four-stroke diesel engine, single-acting

X

X

Combustion method: direct injection

X

X

Cooling method: treated water

X

X

Direction of rotation: c.c.w. (viewed on driving end)

X

X

Number of cylinders

12

16

Cylinder configuration: V angle

Degrees

(°)

90

90

Bore

mm

170

170

Stroke

mm

210

210

Cylinder displacement

liter

4.77

4.77

Total displacement

liter

57.2

76.3

Compression ratio

16.4

16.4

Cylinder heads: Single cylinder heads

X

X

Cylinder liners: wet, replaceable

X

X

Number of inlet valves, per cylinder

2

2

Number of exhaust valves, per cylinder

2

2

Standard flywheel housing flange (engine main PTO)

SAE

00

00

AIR / EXHAUST

Number of cylinders

12

16

Charge-air pressure before cylinder - DL

R bar abs

3.3

3.0

COOLANT SYSTEM (HT circuit)

Number of cylinders

12

16

Coolant temperature (at engine connection: outlet to cooling

equipment)

A °C

100

94

Coolant temperature after engine, warning

R °C

102

102

Coolant temperature after engine, shutdown

L °C

104

105

Antifreeze percentage in coolant, max.

L %

50

50

Pressure-loss in off-engine cooling system, max.

L bar

0.7

0,7

COOLANT SYSTEM (LT circuit)

Number of cylinders

12

16

Coolant temperature before intercooler (at engine connection:

inlet from cooling equipment)

A °C

45

45

Antifreeze percentage in coolant, max.

L %

50

50

Pressure-loss in off-engine cooling system, max.

L bar

0.7

0.7

TIM-ID: 0000011082 - 002

LUBE OIL SYSTEM

Number of cylinders

12

16

Lube oil operating temperature before engine, from

R °C

88

84

Lube-oil operating temperature before engine, to

R °C

98

94

Lube-oil temperature before engine, warning

R °C

99

99

Lube-oil temperature before engine, shutdown

L °C

101

101

Lube oil operating pressure before engine, from

R bar

4

4.5

Lube oil operating pressure before engine, to

R bar

6

6

FUEL SYSTEM

Number of cylinders

12

16

Fuel pressure at supply connection on engine, min. (when en‐

gine is starting)

L bar

-0.1

-0.1

Fuel pressure at supply connection to engine (when engine is

starting), max.

L bar

1.5

1.5

GENERAL OPERATING DATA

Number of cylinders

12

16

Coolant preheating: preheating temperature (min.)

R °C

40

40

Firing speed, from

R rpm

80

80

Firing speed, to

R rpm

120

120

CAPACITIES

Number of cylinders

12

16

Engine coolant, engine side (without cooling system)

R liter

137

175

Charge-air coolant, engine side

R liter

44

42

Engine oil capacity, initial filling (standard oil system) (Option:

max. operating inclinations)

R liter

221

295

Oil pan capacity, dipstick mark min. (standard oil system) (Op‐

tion: max. operating inclinations)

L liter

160

*

Oil pan capacity, dipstick mark max. (standard oil system) (Op‐

tion: max. operating inclinations)

L liter

210

260

WEIGHTS / MAIN DIMENSIONS

Number of cylinders

12

16

Engine dry weight (basic engine configuration acc. to specified

scope of supply)

R kg

6300

7400

ACOUSTICS

Number of cylinders

12

16

Exhaust noise, unsilenced - DL (sound power level LW, ISO

6798)

R db(A)

125

124

Engine surface noise with attenuated intake noise (filter) - DL -

(sound-power level LW, ISO 6798)

R db(A)

120

*

3.2 Firing order

Number of cyl‐

inders

Firing order

12 V

A1-B5-A5-B3-A3-B6-A6-B2-A2-B4-A4-B1

16 V

A1-A7-B4-B6-A4-B8-A2-A8-B3-B5-A3-A5-B2-A6-B1-B7

TIM-ID: 0000023263 - 001